| Index: pdf/instance.cc
|
| ===================================================================
|
| --- pdf/instance.cc (revision 0)
|
| +++ pdf/instance.cc (revision 0)
|
| @@ -0,0 +1,2719 @@
|
| +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +
|
| +#include "pdf/instance.h"
|
| +
|
| +#include <algorithm> // for min()
|
| +#define _USE_MATH_DEFINES // for M_PI
|
| +#include <cmath> // for log() and pow()
|
| +#include <math.h>
|
| +#include <list>
|
| +
|
| +#include "base/json/json_reader.h"
|
| +#include "base/json/json_writer.h"
|
| +#include "base/logging.h"
|
| +#include "base/strings/string_number_conversions.h"
|
| +#include "base/strings/string_split.h"
|
| +#include "base/strings/string_util.h"
|
| +#include "base/values.h"
|
| +#include "chrome/browser/chrome_page_zoom_constants.h"
|
| +#include "chrome/common/content_restriction.h"
|
| +#include "content/public/common/page_zoom.h"
|
| +#include "net/base/escape.h"
|
| +#include "pdf/draw_utils.h"
|
| +#include "pdf/number_image_generator.h"
|
| +#include "pdf/pdf.h"
|
| +#include "pdf/resource_consts.h"
|
| +#include "ppapi/c/dev/ppb_cursor_control_dev.h"
|
| +#include "ppapi/c/pp_errors.h"
|
| +#include "ppapi/c/pp_rect.h"
|
| +#include "ppapi/c/private/ppp_pdf.h"
|
| +#include "ppapi/c/trusted/ppb_url_loader_trusted.h"
|
| +#include "ppapi/cpp/core.h"
|
| +#include "ppapi/cpp/dev/font_dev.h"
|
| +#include "ppapi/cpp/dev/memory_dev.h"
|
| +#include "ppapi/cpp/dev/text_input_dev.h"
|
| +#include "ppapi/cpp/module.h"
|
| +#include "ppapi/cpp/point.h"
|
| +#include "ppapi/cpp/private/pdf.h"
|
| +#include "ppapi/cpp/rect.h"
|
| +#include "ppapi/cpp/resource.h"
|
| +#include "ppapi/cpp/url_request_info.h"
|
| +#include "ui/events/keycodes/keyboard_codes.h"
|
| +
|
| +#if defined(OS_MACOSX)
|
| +#include "base/mac/mac_util.h"
|
| +#endif
|
| +
|
| +namespace chrome_pdf {
|
| +
|
| +struct ToolbarButtonInfo {
|
| + uint32 id;
|
| + Button::ButtonStyle style;
|
| + PP_ResourceImage normal;
|
| + PP_ResourceImage highlighted;
|
| + PP_ResourceImage pressed;
|
| +};
|
| +
|
| +namespace {
|
| +
|
| +// Uncomment following #define to enable thumbnails.
|
| +// #define ENABLE_THUMBNAILS
|
| +
|
| +const uint32 kToolbarSplashTimeoutMs = 6000;
|
| +const uint32 kMessageTextColor = 0xFF575757;
|
| +const uint32 kMessageTextSize = 22;
|
| +const uint32 kProgressFadeTimeoutMs = 250;
|
| +const uint32 kProgressDelayTimeoutMs = 1000;
|
| +const uint32 kAutoScrollTimeoutMs = 50;
|
| +const double kAutoScrollFactor = 0.2;
|
| +
|
| +// Javascript methods.
|
| +const char* kJSAccessibility = "accessibility";
|
| +const char* kJSDocumentLoadComplete = "documentLoadComplete";
|
| +const char* kJSGetHeight = "getHeight";
|
| +const char* kJSGetHorizontalScrollbarThickness =
|
| + "getHorizontalScrollbarThickness";
|
| +const char* kJSGetPageLocationNormalized = "getPageLocationNormalized";
|
| +const char* kJSGetVerticalScrollbarThickness = "getVerticalScrollbarThickness";
|
| +const char* kJSGetWidth = "getWidth";
|
| +const char* kJSGetZoomLevel = "getZoomLevel";
|
| +const char* kJSGoToPage = "goToPage";
|
| +const char* kJSGrayscale = "grayscale";
|
| +const char* kJSLoadPreviewPage = "loadPreviewPage";
|
| +const char* kJSOnLoad = "onload";
|
| +const char* kJSOnPluginSizeChanged = "onPluginSizeChanged";
|
| +const char* kJSOnScroll = "onScroll";
|
| +const char* kJSPageXOffset = "pageXOffset";
|
| +const char* kJSPageYOffset = "pageYOffset";
|
| +const char* kJSPrintPreviewPageCount = "printPreviewPageCount";
|
| +const char* kJSReload = "reload";
|
| +const char* kJSRemovePrintButton = "removePrintButton";
|
| +const char* kJSResetPrintPreviewUrl = "resetPrintPreviewUrl";
|
| +const char* kJSSendKeyEvent = "sendKeyEvent";
|
| +const char* kJSSetPageNumbers = "setPageNumbers";
|
| +const char* kJSSetPageXOffset = "setPageXOffset";
|
| +const char* kJSSetPageYOffset = "setPageYOffset";
|
| +const char* kJSSetZoomLevel = "setZoomLevel";
|
| +const char* kJSZoomFitToHeight = "fitToHeight";
|
| +const char* kJSZoomFitToWidth = "fitToWidth";
|
| +const char* kJSZoomIn = "zoomIn";
|
| +const char* kJSZoomOut = "zoomOut";
|
| +
|
| +// URL reference parameters.
|
| +// For more possible parameters, see RFC 3778 and the "PDF Open Parameters"
|
| +// document from Adobe.
|
| +const char kDelimiters[] = "#&";
|
| +const char kNamedDest[] = "nameddest";
|
| +const char kPage[] = "page";
|
| +
|
| +const char kChromePrint[] = "chrome://print/";
|
| +
|
| +// Dictionary Value key names for the document accessibility info
|
| +const char kAccessibleNumberOfPages[] = "numberOfPages";
|
| +const char kAccessibleLoaded[] = "loaded";
|
| +const char kAccessibleCopyable[] = "copyable";
|
| +
|
| +const ToolbarButtonInfo kPDFToolbarButtons[] = {
|
| + { kFitToPageButtonId, Button::BUTTON_STATE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTP,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED },
|
| + { kFitToWidthButtonId, Button::BUTTON_STATE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTW,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED },
|
| + { kZoomOutButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED },
|
| + { kZoomInButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_PRESSED },
|
| + { kSaveButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_SAVE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_PRESSED },
|
| + { kPrintButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_PRINT,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_PRESSED },
|
| +};
|
| +
|
| +const ToolbarButtonInfo kPDFNoPrintToolbarButtons[] = {
|
| + { kFitToPageButtonId, Button::BUTTON_STATE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTP,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED },
|
| + { kFitToWidthButtonId, Button::BUTTON_STATE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTW,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED },
|
| + { kZoomOutButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED },
|
| + { kZoomInButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_PRESSED },
|
| + { kSaveButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_SAVE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_PRESSED },
|
| + { kPrintButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED }
|
| +};
|
| +
|
| +const ToolbarButtonInfo kPrintPreviewToolbarButtons[] = {
|
| + { kFitToPageButtonId, Button::BUTTON_STATE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTP,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED },
|
| + { kFitToWidthButtonId, Button::BUTTON_STATE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTW,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED },
|
| + { kZoomOutButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED },
|
| + { kZoomInButtonId, Button::BUTTON_CLICKABLE,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_HOVER,
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_PRESSED },
|
| +};
|
| +
|
| +static const char kPPPPdfInterface[] = PPP_PDF_INTERFACE_1;
|
| +
|
| +PP_Var GetLinkAtPosition(PP_Instance instance, PP_Point point) {
|
| + pp::Var var;
|
| + void* object =
|
| + pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
|
| + if (object)
|
| + var = static_cast<Instance*>(object)->GetLinkAtPosition(pp::Point(point));
|
| + return var.Detach();
|
| +}
|
| +
|
| +void Transform(PP_Instance instance, PP_PrivatePageTransformType type) {
|
| + void* object =
|
| + pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
|
| + if (object) {
|
| + Instance* obj_instance = static_cast<Instance*>(object);
|
| + switch (type) {
|
| + case PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CW:
|
| + obj_instance->RotateClockwise();
|
| + break;
|
| + case PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CCW:
|
| + obj_instance->RotateCounterclockwise();
|
| + break;
|
| + }
|
| + }
|
| +}
|
| +
|
| +const PPP_Pdf ppp_private = {
|
| + &GetLinkAtPosition,
|
| + &Transform
|
| +};
|
| +
|
| +int ExtractPrintPreviewPageIndex(const std::string& src_url) {
|
| + // Sample |src_url| format: chrome://print/id/page_index/print.pdf
|
| + std::vector<std::string> url_substr;
|
| + base::SplitString(src_url.substr(strlen(kChromePrint)), '/', &url_substr);
|
| + if (url_substr.size() != 3)
|
| + return -1;
|
| +
|
| + if (url_substr[2] != "print.pdf")
|
| + return -1;
|
| +
|
| + int page_index = 0;
|
| + if (!base::StringToInt(url_substr[1], &page_index))
|
| + return -1;
|
| + return page_index;
|
| +}
|
| +
|
| +bool IsPrintPreviewUrl(const std::string& url) {
|
| + return url.substr(0, strlen(kChromePrint)) == kChromePrint;
|
| +}
|
| +
|
| +void ScalePoint(float scale, pp::Point* point) {
|
| + point->set_x(static_cast<int>(point->x() * scale));
|
| + point->set_y(static_cast<int>(point->y() * scale));
|
| +}
|
| +
|
| +void ScaleRect(float scale, pp::Rect* rect) {
|
| + int left = static_cast<int>(floorf(rect->x() * scale));
|
| + int top = static_cast<int>(floorf(rect->y() * scale));
|
| + int right = static_cast<int>(ceilf((rect->x() + rect->width()) * scale));
|
| + int bottom = static_cast<int>(ceilf((rect->y() + rect->height()) * scale));
|
| + rect->SetRect(left, top, right - left, bottom - top);
|
| +}
|
| +
|
| +template<class T>
|
| +T ClipToRange(T value, T lower_boundary, T upper_boundary) {
|
| + DCHECK(lower_boundary <= upper_boundary);
|
| + return std::max<T>(lower_boundary, std::min<T>(value, upper_boundary));
|
| +}
|
| +
|
| +} // namespace
|
| +
|
| +Instance::Instance(PP_Instance instance)
|
| + : pp::InstancePrivate(instance),
|
| + pp::Find_Private(this),
|
| + pp::Printing_Dev(this),
|
| + pp::Selection_Dev(this),
|
| + pp::WidgetClient_Dev(this),
|
| + pp::Zoom_Dev(this),
|
| + cursor_(PP_CURSORTYPE_POINTER),
|
| + timer_pending_(false),
|
| + current_timer_id_(0),
|
| + zoom_(1.0),
|
| + device_scale_(1.0),
|
| + printing_enabled_(true),
|
| + hidpi_enabled_(false),
|
| + full_(IsFullFrame()),
|
| + zoom_mode_(full_ ? ZOOM_AUTO : ZOOM_SCALE),
|
| + did_call_start_loading_(false),
|
| + is_autoscroll_(false),
|
| + scrollbar_thickness_(-1),
|
| + scrollbar_reserved_thickness_(-1),
|
| + current_tb_info_(NULL),
|
| + current_tb_info_size_(0),
|
| + paint_manager_(this, this, true),
|
| + delayed_progress_timer_id_(0),
|
| + first_paint_(true),
|
| + painted_first_page_(false),
|
| + show_page_indicator_(false),
|
| + document_load_state_(LOAD_STATE_LOADING),
|
| + preview_document_load_state_(LOAD_STATE_COMPLETE),
|
| + told_browser_about_unsupported_feature_(false),
|
| + print_preview_page_count_(0) {
|
| + loader_factory_.Initialize(this);
|
| + timer_factory_.Initialize(this);
|
| + form_factory_.Initialize(this);
|
| + print_callback_factory_.Initialize(this);
|
| + engine_.reset(PDFEngine::Create(this));
|
| + pp::Module::Get()->AddPluginInterface(kPPPPdfInterface, &ppp_private);
|
| + AddPerInstanceObject(kPPPPdfInterface, this);
|
| +
|
| + RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_MOUSE);
|
| + RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_WHEEL);
|
| + RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_KEYBOARD);
|
| + RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_TOUCH);
|
| +}
|
| +
|
| +Instance::~Instance() {
|
| + RemovePerInstanceObject(kPPPPdfInterface, this);
|
| +}
|
| +
|
| +bool Instance::Init(uint32_t argc, const char* argn[], const char* argv[]) {
|
| + // For now, we hide HiDPI support behind a flag.
|
| + if (pp::PDF::IsFeatureEnabled(this, PP_PDFFEATURE_HIDPI))
|
| + hidpi_enabled_ = true;
|
| +
|
| + printing_enabled_ = pp::PDF::IsFeatureEnabled(this, PP_PDFFEATURE_PRINTING);
|
| + if (printing_enabled_) {
|
| + CreateToolbar(kPDFToolbarButtons, arraysize(kPDFToolbarButtons));
|
| + } else {
|
| + CreateToolbar(kPDFNoPrintToolbarButtons,
|
| + arraysize(kPDFNoPrintToolbarButtons));
|
| + }
|
| +
|
| + CreateProgressBar();
|
| +
|
| + // Load autoscroll anchor image.
|
| + autoscroll_anchor_ =
|
| + CreateResourceImage(PP_RESOURCEIMAGE_PDF_PAN_SCROLL_ICON);
|
| +
|
| +#ifdef ENABLE_THUMBNAILS
|
| + CreateThumbnails();
|
| +#endif
|
| + const char* url = NULL;
|
| + for (uint32_t i = 0; i < argc; ++i) {
|
| + if (strcmp(argn[i], "src") == 0) {
|
| + url = argv[i];
|
| + break;
|
| + }
|
| + }
|
| +
|
| + if (!url)
|
| + return false;
|
| +
|
| + CreatePageIndicator(IsPrintPreviewUrl(url));
|
| +
|
| + if (!full_) {
|
| + // For PDFs embedded in a frame, we don't get the data automatically like we
|
| + // do for full-frame loads. Start loading the data manually.
|
| + LoadUrl(url);
|
| + }
|
| +
|
| + ZoomLimitsChanged(kMinZoom, kMaxZoom);
|
| +
|
| + text_input_.reset(new pp::TextInput_Dev(this));
|
| +
|
| + url_ = url;
|
| + return engine_->New(url);
|
| +}
|
| +
|
| +bool Instance::HandleDocumentLoad(const pp::URLLoader& loader) {
|
| + delayed_progress_timer_id_ = ScheduleTimer(kProgressBarId,
|
| + kProgressDelayTimeoutMs);
|
| + return engine_->HandleDocumentLoad(loader);
|
| +}
|
| +
|
| +bool Instance::HandleInputEvent(const pp::InputEvent& event) {
|
| + // To simplify things, convert the event into device coordinates if it is
|
| + // a mouse event.
|
| + pp::InputEvent event_device_res(event);
|
| + {
|
| + pp::MouseInputEvent mouse_event(event);
|
| + if (!mouse_event.is_null()) {
|
| + pp::Point point = mouse_event.GetPosition();
|
| + pp::Point movement = mouse_event.GetMovement();
|
| + ScalePoint(device_scale_, &point);
|
| + ScalePoint(device_scale_, &movement);
|
| + mouse_event = pp::MouseInputEvent(
|
| + this,
|
| + event.GetType(),
|
| + event.GetTimeStamp(),
|
| + event.GetModifiers(),
|
| + mouse_event.GetButton(),
|
| + point,
|
| + mouse_event.GetClickCount(),
|
| + movement);
|
| + event_device_res = mouse_event;
|
| + }
|
| + }
|
| +
|
| + // Check if we need to go to autoscroll mode.
|
| + if (event.GetType() == PP_INPUTEVENT_TYPE_MOUSEMOVE &&
|
| + (event.GetModifiers() & PP_INPUTEVENT_MODIFIER_MIDDLEBUTTONDOWN)) {
|
| + pp::MouseInputEvent mouse_event(event_device_res);
|
| + pp::Point pos = mouse_event.GetPosition();
|
| + EnableAutoscroll(pos);
|
| + UpdateCursor(CalculateAutoscroll(pos));
|
| + return true;
|
| + } else {
|
| + // Quit autoscrolling on any other event.
|
| + DisableAutoscroll();
|
| + }
|
| +
|
| +#ifdef ENABLE_THUMBNAILS
|
| + if (event.GetType() == PP_INPUTEVENT_TYPE_MOUSELEAVE)
|
| + thumbnails_.SlideOut();
|
| +
|
| + if (thumbnails_.HandleEvent(event_device_res))
|
| + return true;
|
| +#endif
|
| +
|
| + if (toolbar_->HandleEvent(event_device_res))
|
| + return true;
|
| +
|
| +#ifdef ENABLE_THUMBNAILS
|
| + if (v_scrollbar_.get() && event.GetType() == PP_INPUTEVENT_TYPE_MOUSEMOVE) {
|
| + pp::MouseInputEvent mouse_event(event);
|
| + pp::Point pt = mouse_event.GetPosition();
|
| + pp::Rect v_scrollbar_rc;
|
| + v_scrollbar_->GetLocation(&v_scrollbar_rc);
|
| + // There is a bug (https://bugs.webkit.org/show_bug.cgi?id=45208)
|
| + // in the webkit that makes event.u.mouse.button
|
| + // equal to PP_INPUTEVENT_MOUSEBUTTON_LEFT, even when no button is pressed.
|
| + // To work around this issue we use modifier for now, and will switch
|
| + // to button once the bug is fixed and webkit got merged back to our tree.
|
| + if (v_scrollbar_rc.Contains(pt) &&
|
| + (event.GetModifiers() & PP_INPUTEVENT_MODIFIER_LEFTBUTTONDOWN)) {
|
| + thumbnails_.SlideIn();
|
| + }
|
| +
|
| + // When scrollbar is in the scrolling mode we should display thumbnails
|
| + // even the mouse is outside the thumbnail and scrollbar areas.
|
| + // If mouse is outside plugin area, we are still getting mouse move events
|
| + // while scrolling. See bug description for details:
|
| + // http://code.google.com/p/chromium/issues/detail?id=56444
|
| + if (!v_scrollbar_rc.Contains(pt) && thumbnails_.visible() &&
|
| + !(event.GetModifiers() & PP_INPUTEVENT_MODIFIER_LEFTBUTTONDOWN) &&
|
| + !thumbnails_.rect().Contains(pt)) {
|
| + thumbnails_.SlideOut();
|
| + }
|
| + }
|
| +#endif
|
| +
|
| + // Need to pass the event to the engine first, since if we're over an edit
|
| + // control we want it to get keyboard events (like space) instead of the
|
| + // scrollbar.
|
| + // TODO: will have to offset the mouse coordinates once we support bidi and
|
| + // there could be scrollbars on the left.
|
| + pp::InputEvent offset_event(event_device_res);
|
| + bool try_engine_first = true;
|
| + switch (offset_event.GetType()) {
|
| + case PP_INPUTEVENT_TYPE_MOUSEDOWN:
|
| + case PP_INPUTEVENT_TYPE_MOUSEUP:
|
| + case PP_INPUTEVENT_TYPE_MOUSEMOVE:
|
| + case PP_INPUTEVENT_TYPE_MOUSEENTER:
|
| + case PP_INPUTEVENT_TYPE_MOUSELEAVE: {
|
| + pp::MouseInputEvent mouse_event(event_device_res);
|
| + pp::MouseInputEvent mouse_event_dip(event);
|
| + pp::Point point = mouse_event.GetPosition();
|
| + point.set_x(point.x() - available_area_.x());
|
| + offset_event = pp::MouseInputEvent(
|
| + this,
|
| + event.GetType(),
|
| + event.GetTimeStamp(),
|
| + event.GetModifiers(),
|
| + mouse_event.GetButton(),
|
| + point,
|
| + mouse_event.GetClickCount(),
|
| + mouse_event.GetMovement());
|
| + if (!engine_->IsSelecting()) {
|
| + if (!IsOverlayScrollbar() &&
|
| + !available_area_.Contains(mouse_event.GetPosition())) {
|
| + try_engine_first = false;
|
| + } else if (IsOverlayScrollbar()) {
|
| + pp::Rect temp;
|
| + if ((v_scrollbar_.get() && v_scrollbar_->GetLocation(&temp) &&
|
| + temp.Contains(mouse_event_dip.GetPosition())) ||
|
| + (h_scrollbar_.get() && h_scrollbar_->GetLocation(&temp) &&
|
| + temp.Contains(mouse_event_dip.GetPosition()))) {
|
| + try_engine_first = false;
|
| + }
|
| + }
|
| + }
|
| + break;
|
| + }
|
| + default:
|
| + break;
|
| + }
|
| + if (try_engine_first && engine_->HandleEvent(offset_event))
|
| + return true;
|
| +
|
| + // Left/Right arrows should scroll to the beginning of the Prev/Next page if
|
| + // there is no horizontal scroll bar.
|
| + // If fit-to-height, PgDown/PgUp should scroll to the beginning of the
|
| + // Prev/Next page.
|
| + if (v_scrollbar_.get() && event.GetType() == PP_INPUTEVENT_TYPE_KEYDOWN) {
|
| + pp::KeyboardInputEvent keyboard_event(event);
|
| + bool page_down =
|
| + (!h_scrollbar_.get() &&
|
| + keyboard_event.GetKeyCode() == ui::VKEY_RIGHT) ||
|
| + (zoom_mode_ == ZOOM_FIT_TO_PAGE &&
|
| + keyboard_event.GetKeyCode() == ui::VKEY_NEXT);
|
| + bool page_up =
|
| + (!h_scrollbar_.get() &&
|
| + keyboard_event.GetKeyCode() == ui::VKEY_LEFT) ||
|
| + (zoom_mode_ == ZOOM_FIT_TO_PAGE &&
|
| + keyboard_event.GetKeyCode() == ui::VKEY_PRIOR);
|
| +
|
| + if (page_down) {
|
| + int page = engine_->GetFirstVisiblePage();
|
| + // Engine calculates visible page including delimiter to the page size.
|
| + // We need to check here if the page itself is completely out of view and
|
| + // scroll to the next one in that case.
|
| + if (engine_->GetPageRect(page).bottom() * zoom_ <=
|
| + v_scrollbar_->GetValue())
|
| + page++;
|
| + ScrollToPage(page + 1);
|
| + UpdateCursor(PP_CURSORTYPE_POINTER);
|
| + return true;
|
| + } else if (page_up) {
|
| + int page = engine_->GetFirstVisiblePage();
|
| + if (engine_->GetPageRect(page).y() * zoom_ >= v_scrollbar_->GetValue())
|
| + page--;
|
| + ScrollToPage(page);
|
| + UpdateCursor(PP_CURSORTYPE_POINTER);
|
| + return true;
|
| + }
|
| + }
|
| +
|
| + if (v_scrollbar_.get() && v_scrollbar_->HandleEvent(event)) {
|
| + UpdateCursor(PP_CURSORTYPE_POINTER);
|
| + return true;
|
| + }
|
| +
|
| + if (h_scrollbar_.get() && h_scrollbar_->HandleEvent(event)) {
|
| + UpdateCursor(PP_CURSORTYPE_POINTER);
|
| + return true;
|
| + }
|
| +
|
| + if (timer_pending_ &&
|
| + (event.GetType() == PP_INPUTEVENT_TYPE_MOUSEUP ||
|
| + event.GetType() == PP_INPUTEVENT_TYPE_MOUSEMOVE)) {
|
| + timer_factory_.CancelAll();
|
| + timer_pending_ = false;
|
| + } else if (event.GetType() == PP_INPUTEVENT_TYPE_MOUSEMOVE &&
|
| + engine_->IsSelecting()) {
|
| + bool set_timer = false;
|
| + pp::MouseInputEvent mouse_event(event);
|
| + if (v_scrollbar_.get() &&
|
| + (mouse_event.GetPosition().y() <= 0 ||
|
| + mouse_event.GetPosition().y() >= (plugin_dip_size_.height() - 1))) {
|
| + v_scrollbar_->ScrollBy(
|
| + PP_SCROLLBY_LINE, mouse_event.GetPosition().y() >= 0 ? 1: -1);
|
| + set_timer = true;
|
| + }
|
| + if (h_scrollbar_.get() &&
|
| + (mouse_event.GetPosition().x() <= 0 ||
|
| + mouse_event.GetPosition().x() >= (plugin_dip_size_.width() - 1))) {
|
| + h_scrollbar_->ScrollBy(PP_SCROLLBY_LINE,
|
| + mouse_event.GetPosition().x() >= 0 ? 1: -1);
|
| + set_timer = true;
|
| + }
|
| +
|
| + if (set_timer) {
|
| + last_mouse_event_ = pp::MouseInputEvent(event);
|
| +
|
| + pp::CompletionCallback callback =
|
| + timer_factory_.NewCallback(&Instance::OnTimerFired);
|
| + pp::Module::Get()->core()->CallOnMainThread(kDragTimerMs, callback);
|
| + timer_pending_ = true;
|
| + }
|
| + }
|
| +
|
| + if (event.GetType() == PP_INPUTEVENT_TYPE_KEYDOWN &&
|
| + event.GetModifiers() & kDefaultKeyModifier) {
|
| + pp::KeyboardInputEvent keyboard_event(event);
|
| + switch (keyboard_event.GetKeyCode()) {
|
| + case 'A':
|
| + engine_->SelectAll();
|
| + return true;
|
| + }
|
| + }
|
| +
|
| + // Return true for unhandled clicks so the plugin takes focus.
|
| + return (event.GetType() == PP_INPUTEVENT_TYPE_MOUSEDOWN);
|
| +}
|
| +
|
| +void Instance::DidChangeView(const pp::View& view) {
|
| + pp::Rect view_rect(view.GetRect());
|
| + float device_scale = 1.0f;
|
| + float old_device_scale = device_scale_;
|
| + if (hidpi_enabled_)
|
| + device_scale = view.GetDeviceScale();
|
| + pp::Size view_device_size(view_rect.width() * device_scale,
|
| + view_rect.height() * device_scale);
|
| + if (view_device_size == plugin_size_ && device_scale == device_scale_)
|
| + return; // We don't care about the position, only the size.
|
| +
|
| + image_data_ = pp::ImageData();
|
| + device_scale_ = device_scale;
|
| + plugin_dip_size_ = view_rect.size();
|
| + plugin_size_ = view_device_size;
|
| +
|
| + paint_manager_.SetSize(view_device_size, device_scale_);
|
| +
|
| + image_data_ = pp::ImageData(this,
|
| + PP_IMAGEDATAFORMAT_BGRA_PREMUL,
|
| + plugin_size_,
|
| + false);
|
| + if (image_data_.is_null()) {
|
| + DCHECK(plugin_size_.IsEmpty());
|
| + return;
|
| + }
|
| +
|
| + // View dimensions changed, disable autoscroll (if it was enabled).
|
| + DisableAutoscroll();
|
| +
|
| + OnGeometryChanged(zoom_, old_device_scale);
|
| +}
|
| +
|
| +pp::Var Instance::GetInstanceObject() {
|
| + if (instance_object_.is_undefined()) {
|
| + PDFScriptableObject* object = new PDFScriptableObject(this);
|
| + // The pp::Var takes ownership of object here.
|
| + instance_object_ = pp::VarPrivate(this, object);
|
| + }
|
| +
|
| + return instance_object_;
|
| +}
|
| +
|
| +pp::Var Instance::GetLinkAtPosition(const pp::Point& point) {
|
| + pp::Point offset_point(point);
|
| + ScalePoint(device_scale_, &offset_point);
|
| + offset_point.set_x(offset_point.x() - available_area_.x());
|
| + return engine_->GetLinkAtPosition(offset_point);
|
| +}
|
| +
|
| +pp::Var Instance::GetSelectedText(bool html) {
|
| + if (html || !engine_->HasPermission(PDFEngine::PERMISSION_COPY))
|
| + return pp::Var();
|
| + return engine_->GetSelectedText();
|
| +}
|
| +
|
| +void Instance::InvalidateWidget(pp::Widget_Dev widget,
|
| + const pp::Rect& dirty_rect) {
|
| + if (v_scrollbar_.get() && *v_scrollbar_ == widget) {
|
| + if (!image_data_.is_null())
|
| + v_scrollbar_->Paint(dirty_rect.pp_rect(), &image_data_);
|
| + } else if (h_scrollbar_.get() && *h_scrollbar_ == widget) {
|
| + if (!image_data_.is_null())
|
| + h_scrollbar_->Paint(dirty_rect.pp_rect(), &image_data_);
|
| + } else {
|
| + // Possible to hit this condition since sometimes the scrollbar codes posts
|
| + // a task to do something later, and we could have deleted our reference in
|
| + // the meantime.
|
| + return;
|
| + }
|
| +
|
| + pp::Rect dirty_rect_scaled = dirty_rect;
|
| + ScaleRect(device_scale_, &dirty_rect_scaled);
|
| + paint_manager_.InvalidateRect(dirty_rect_scaled);
|
| +}
|
| +
|
| +void Instance::ScrollbarValueChanged(pp::Scrollbar_Dev scrollbar,
|
| + uint32_t value) {
|
| + value = GetScaled(value);
|
| + if (v_scrollbar_.get() && *v_scrollbar_ == scrollbar) {
|
| + engine_->ScrolledToYPosition(value);
|
| + pp::Rect rc;
|
| + v_scrollbar_->GetLocation(&rc);
|
| + int32 doc_height = GetDocumentPixelHeight();
|
| + doc_height -= GetScaled(rc.height());
|
| +#ifdef ENABLE_THUMBNAILS
|
| + if (thumbnails_.visible()) {
|
| + thumbnails_.SetPosition(value, doc_height, true);
|
| + }
|
| +#endif
|
| + pp::Point origin(
|
| + plugin_size_.width() - page_indicator_.rect().width() -
|
| + GetScaled(GetScrollbarReservedThickness()),
|
| + page_indicator_.GetYPosition(value, doc_height, plugin_size_.height()));
|
| + page_indicator_.MoveTo(origin, page_indicator_.visible());
|
| + } else if (h_scrollbar_.get() && *h_scrollbar_ == scrollbar) {
|
| + engine_->ScrolledToXPosition(value);
|
| + }
|
| +}
|
| +
|
| +void Instance::ScrollbarOverlayChanged(pp::Scrollbar_Dev scrollbar,
|
| + bool overlay) {
|
| + scrollbar_reserved_thickness_ = overlay ? 0 : scrollbar_thickness_;
|
| + OnGeometryChanged(zoom_, device_scale_);
|
| +}
|
| +
|
| +uint32_t Instance::QuerySupportedPrintOutputFormats() {
|
| + return engine_->QuerySupportedPrintOutputFormats();
|
| +}
|
| +
|
| +int32_t Instance::PrintBegin(const PP_PrintSettings_Dev& print_settings) {
|
| + // For us num_pages is always equal to the number of pages in the PDF
|
| + // document irrespective of the printable area.
|
| + int32_t ret = engine_->GetNumberOfPages();
|
| + if (!ret)
|
| + return 0;
|
| +
|
| + uint32_t supported_formats = engine_->QuerySupportedPrintOutputFormats();
|
| + if ((print_settings.format & supported_formats) == 0)
|
| + return 0;
|
| +
|
| + print_settings_.is_printing = true;
|
| + print_settings_.pepper_print_settings = print_settings;
|
| + engine_->PrintBegin();
|
| + return ret;
|
| +}
|
| +
|
| +pp::Resource Instance::PrintPages(
|
| + const PP_PrintPageNumberRange_Dev* page_ranges,
|
| + uint32_t page_range_count) {
|
| + if (!print_settings_.is_printing)
|
| + return pp::Resource();
|
| +
|
| + print_settings_.print_pages_called_ = true;
|
| + return engine_->PrintPages(page_ranges, page_range_count,
|
| + print_settings_.pepper_print_settings);
|
| +}
|
| +
|
| +void Instance::PrintEnd() {
|
| + if (print_settings_.print_pages_called_)
|
| + UserMetricsRecordAction("PDF.PrintPage");
|
| + print_settings_.Clear();
|
| + engine_->PrintEnd();
|
| +}
|
| +
|
| +bool Instance::IsPrintScalingDisabled() {
|
| + return !engine_->GetPrintScaling();
|
| +}
|
| +
|
| +bool Instance::StartFind(const std::string& text, bool case_sensitive) {
|
| + engine_->StartFind(text.c_str(), case_sensitive);
|
| + return true;
|
| +}
|
| +
|
| +void Instance::SelectFindResult(bool forward) {
|
| + engine_->SelectFindResult(forward);
|
| +}
|
| +
|
| +void Instance::StopFind() {
|
| + engine_->StopFind();
|
| +}
|
| +
|
| +void Instance::Zoom(double scale, bool text_only) {
|
| + UserMetricsRecordAction("PDF.ZoomFromBrowser");
|
| + SetZoom(ZOOM_SCALE, scale);
|
| +}
|
| +
|
| +void Instance::ZoomChanged(double factor) {
|
| + if (full_)
|
| + Zoom_Dev::ZoomChanged(factor);
|
| +}
|
| +
|
| +void Instance::OnPaint(const std::vector<pp::Rect>& paint_rects,
|
| + std::vector<PaintManager::ReadyRect>* ready,
|
| + std::vector<pp::Rect>* pending) {
|
| + if (image_data_.is_null()) {
|
| + DCHECK(plugin_size_.IsEmpty());
|
| + return;
|
| + }
|
| + if (first_paint_) {
|
| + first_paint_ = false;
|
| + pp::Rect rect = pp::Rect(pp::Point(), plugin_size_);
|
| + unsigned int color = kBackgroundColorA << 24 |
|
| + kBackgroundColorR << 16 |
|
| + kBackgroundColorG << 8 |
|
| + kBackgroundColorB;
|
| + FillRect(rect, color);
|
| + ready->push_back(PaintManager::ReadyRect(rect, image_data_, true));
|
| + *pending = paint_rects;
|
| + return;
|
| + }
|
| +
|
| + engine_->PrePaint();
|
| +
|
| + for (size_t i = 0; i < paint_rects.size(); i++) {
|
| + // Intersect with plugin area since there could be pending invalidates from
|
| + // when the plugin area was larger.
|
| + pp::Rect rect =
|
| + paint_rects[i].Intersect(pp::Rect(pp::Point(), plugin_size_));
|
| + if (rect.IsEmpty())
|
| + continue;
|
| +
|
| + pp::Rect pdf_rect = available_area_.Intersect(rect);
|
| + if (!pdf_rect.IsEmpty()) {
|
| + pdf_rect.Offset(available_area_.x() * -1, 0);
|
| +
|
| + std::vector<pp::Rect> pdf_ready;
|
| + std::vector<pp::Rect> pdf_pending;
|
| + engine_->Paint(pdf_rect, &image_data_, &pdf_ready, &pdf_pending);
|
| + for (size_t j = 0; j < pdf_ready.size(); ++j) {
|
| + pdf_ready[j].Offset(available_area_.point());
|
| + ready->push_back(
|
| + PaintManager::ReadyRect(pdf_ready[j], image_data_, false));
|
| + }
|
| + for (size_t j = 0; j < pdf_pending.size(); ++j) {
|
| + pdf_pending[j].Offset(available_area_.point());
|
| + pending->push_back(pdf_pending[j]);
|
| + }
|
| + }
|
| +
|
| + for (size_t j = 0; j < background_parts_.size(); ++j) {
|
| + pp::Rect intersection = background_parts_[j].location.Intersect(rect);
|
| + if (!intersection.IsEmpty()) {
|
| + FillRect(intersection, background_parts_[j].color);
|
| + ready->push_back(
|
| + PaintManager::ReadyRect(intersection, image_data_, false));
|
| + }
|
| + }
|
| +
|
| + if (document_load_state_ == LOAD_STATE_FAILED) {
|
| + pp::Point top_center;
|
| + top_center.set_x(plugin_size_.width() / 2);
|
| + top_center.set_y(plugin_size_.height() / 2);
|
| + DrawText(top_center, PP_RESOURCESTRING_PDFLOAD_FAILED);
|
| + }
|
| +
|
| +#ifdef ENABLE_THUMBNAILS
|
| + thumbnails_.Paint(&image_data_, rect);
|
| +#endif
|
| + }
|
| +
|
| + engine_->PostPaint();
|
| +
|
| + // Must paint scrollbars after the background parts, in case we have an
|
| + // overlay scrollbar that's over the background. We also do this in a separate
|
| + // loop because the scrollbar painting logic uses the signal of whether there
|
| + // are pending paints or not to figure out if it should draw right away or
|
| + // not.
|
| + for (size_t i = 0; i < paint_rects.size(); i++) {
|
| + PaintIfWidgetIntersects(h_scrollbar_.get(), paint_rects[i], ready, pending);
|
| + PaintIfWidgetIntersects(v_scrollbar_.get(), paint_rects[i], ready, pending);
|
| + }
|
| +
|
| + if (progress_bar_.visible())
|
| + PaintOverlayControl(&progress_bar_, &image_data_, ready);
|
| +
|
| + if (page_indicator_.visible())
|
| + PaintOverlayControl(&page_indicator_, &image_data_, ready);
|
| +
|
| + if (toolbar_->current_transparency() != kTransparentAlpha)
|
| + PaintOverlayControl(toolbar_.get(), &image_data_, ready);
|
| +
|
| + // Paint autoscroll anchor if needed.
|
| + if (is_autoscroll_) {
|
| + size_t limit = ready->size();
|
| + for (size_t i = 0; i < limit; i++) {
|
| + pp::Rect anchor_rect = autoscroll_rect_.Intersect((*ready)[i].rect);
|
| + if (!anchor_rect.IsEmpty()) {
|
| + pp::Rect draw_rc = pp::Rect(
|
| + pp::Point(anchor_rect.x() - autoscroll_rect_.x(),
|
| + anchor_rect.y() - autoscroll_rect_.y()),
|
| + anchor_rect.size());
|
| + // Paint autoscroll anchor.
|
| + AlphaBlend(autoscroll_anchor_, draw_rc,
|
| + &image_data_, anchor_rect.point(), kOpaqueAlpha);
|
| + }
|
| + }
|
| + }
|
| +}
|
| +
|
| +void Instance::PaintOverlayControl(
|
| + Control* ctrl,
|
| + pp::ImageData* image_data,
|
| + std::vector<PaintManager::ReadyRect>* ready) {
|
| + // Make sure that we only paint overlay controls over an area that's ready,
|
| + // i.e. not pending. Otherwise we'll mark the control rect as ready and
|
| + // it'll overwrite the pdf region.
|
| + std::list<pp::Rect> ctrl_rects;
|
| + for (size_t i = 0; i < ready->size(); i++) {
|
| + pp::Rect rc = ctrl->rect().Intersect((*ready)[i].rect);
|
| + if (!rc.IsEmpty())
|
| + ctrl_rects.push_back(rc);
|
| + }
|
| +
|
| + if (!ctrl_rects.empty()) {
|
| + ctrl->PaintMultipleRects(image_data, ctrl_rects);
|
| +
|
| + std::list<pp::Rect>::iterator iter;
|
| + for (iter = ctrl_rects.begin(); iter != ctrl_rects.end(); ++iter) {
|
| + ready->push_back(PaintManager::ReadyRect(*iter, *image_data, false));
|
| + }
|
| + }
|
| +}
|
| +
|
| +void Instance::DidOpen(int32_t result) {
|
| + if (result == PP_OK) {
|
| + engine_->HandleDocumentLoad(embed_loader_);
|
| + } else if (result != PP_ERROR_ABORTED) { // Can happen in tests.
|
| + NOTREACHED();
|
| + }
|
| +}
|
| +
|
| +void Instance::DidOpenPreview(int32_t result) {
|
| + if (result == PP_OK) {
|
| + preview_engine_.reset(PDFEngine::Create(new PreviewModeClient(this)));
|
| + preview_engine_->HandleDocumentLoad(embed_preview_loader_);
|
| + } else {
|
| + NOTREACHED();
|
| + }
|
| +}
|
| +
|
| +void Instance::PaintIfWidgetIntersects(
|
| + pp::Widget_Dev* widget,
|
| + const pp::Rect& rect,
|
| + std::vector<PaintManager::ReadyRect>* ready,
|
| + std::vector<pp::Rect>* pending) {
|
| + if (!widget)
|
| + return;
|
| +
|
| + pp::Rect location;
|
| + if (!widget->GetLocation(&location))
|
| + return;
|
| +
|
| + ScaleRect(device_scale_, &location);
|
| + location = location.Intersect(rect);
|
| + if (location.IsEmpty())
|
| + return;
|
| +
|
| + if (IsOverlayScrollbar()) {
|
| + // If we're using overlay scrollbars, and there are pending paints under the
|
| + // scrollbar, don't update the scrollbar instantly. While it would be nice,
|
| + // we would need to double buffer the plugin area in order to make this
|
| + // work. This is because we'd need to always have a copy of what the pdf
|
| + // under the scrollbar looks like, and additionally we couldn't paint the
|
| + // pdf under the scrollbar if it's ready until we got the preceding flush.
|
| + // So in practice, it would make painting slower and introduce extra buffer
|
| + // copies for the general case.
|
| + for (size_t i = 0; i < pending->size(); ++i) {
|
| + if ((*pending)[i].Intersects(location))
|
| + return;
|
| + }
|
| +
|
| + // Even if none of the pending paints are under the scrollbar, we never want
|
| + // to paint it if it's over the pdf if there are other pending paints.
|
| + // Otherwise different parts of the pdf plugin would display at different
|
| + // scroll offsets.
|
| + if (!pending->empty() && available_area_.Intersects(rect)) {
|
| + pending->push_back(location);
|
| + return;
|
| + }
|
| + }
|
| +
|
| + pp::Rect location_dip = location;
|
| + ScaleRect(1.0f / device_scale_, &location_dip);
|
| +
|
| + DCHECK(!image_data_.is_null());
|
| + widget->Paint(location_dip, &image_data_);
|
| +
|
| + // Re-scale the rectangle from DIPs to device pixels, so we ensure that we
|
| + // don't miss any pixels due to rounding outwards in ScaleRect.
|
| + location = location_dip;
|
| + ScaleRect(device_scale_, &location);
|
| +
|
| + ready->push_back(PaintManager::ReadyRect(location, image_data_, true));
|
| +}
|
| +
|
| +void Instance::OnTimerFired(int32_t) {
|
| + HandleInputEvent(last_mouse_event_);
|
| +}
|
| +
|
| +void Instance::OnClientTimerFired(int32_t id) {
|
| + engine_->OnCallback(id);
|
| +}
|
| +
|
| +void Instance::OnControlTimerFired(int32_t,
|
| + const uint32& control_id,
|
| + const uint32& timer_id) {
|
| + if (control_id == toolbar_->id()) {
|
| + toolbar_->OnTimerFired(timer_id);
|
| + } else if (control_id == progress_bar_.id()) {
|
| + if (timer_id == delayed_progress_timer_id_) {
|
| + if (document_load_state_ == LOAD_STATE_LOADING &&
|
| + !progress_bar_.visible()) {
|
| + progress_bar_.Fade(true, kProgressFadeTimeoutMs);
|
| + }
|
| + delayed_progress_timer_id_ = 0;
|
| + } else {
|
| + progress_bar_.OnTimerFired(timer_id);
|
| + }
|
| + } else if (control_id == kAutoScrollId) {
|
| + if (is_autoscroll_) {
|
| + if (autoscroll_x_ != 0 && h_scrollbar_.get()) {
|
| + h_scrollbar_->ScrollBy(PP_SCROLLBY_PIXEL, autoscroll_x_);
|
| + }
|
| + if (autoscroll_y_ != 0 && v_scrollbar_.get()) {
|
| + v_scrollbar_->ScrollBy(PP_SCROLLBY_PIXEL, autoscroll_y_);
|
| + }
|
| +
|
| + // Reschedule timer.
|
| + ScheduleTimer(kAutoScrollId, kAutoScrollTimeoutMs);
|
| + }
|
| + } else if (control_id == kPageIndicatorId) {
|
| + page_indicator_.OnTimerFired(timer_id);
|
| + }
|
| +#ifdef ENABLE_THUMBNAILS
|
| + else if (control_id == thumbnails_.id()) {
|
| + thumbnails_.OnTimerFired(timer_id);
|
| + }
|
| +#endif
|
| +}
|
| +
|
| +void Instance::CalculateBackgroundParts() {
|
| + background_parts_.clear();
|
| + int v_scrollbar_thickness =
|
| + GetScaled(v_scrollbar_.get() ? GetScrollbarReservedThickness() : 0);
|
| + int h_scrollbar_thickness =
|
| + GetScaled(h_scrollbar_.get() ? GetScrollbarReservedThickness() : 0);
|
| + int width_without_scrollbar = std::max(
|
| + plugin_size_.width() - v_scrollbar_thickness, 0);
|
| + int height_without_scrollbar = std::max(
|
| + plugin_size_.height() - h_scrollbar_thickness, 0);
|
| + int left_width = available_area_.x();
|
| + int right_start = available_area_.right();
|
| + int right_width = abs(width_without_scrollbar - available_area_.right());
|
| + int bottom = std::min(available_area_.bottom(), height_without_scrollbar);
|
| +
|
| + // Add the left, right, and bottom rectangles. Note: we assume only
|
| + // horizontal centering.
|
| + BackgroundPart part;
|
| + part.color = kBackgroundColorA << 24 |
|
| + kBackgroundColorR << 16 |
|
| + kBackgroundColorG << 8 |
|
| + kBackgroundColorB;
|
| + part.location = pp::Rect(0, 0, left_width, bottom);
|
| + if (!part.location.IsEmpty())
|
| + background_parts_.push_back(part);
|
| + part.location = pp::Rect(right_start, 0, right_width, bottom);
|
| + if (!part.location.IsEmpty())
|
| + background_parts_.push_back(part);
|
| + part.location = pp::Rect(
|
| + 0, bottom, width_without_scrollbar, height_without_scrollbar - bottom);
|
| + if (!part.location.IsEmpty())
|
| + background_parts_.push_back(part);
|
| +
|
| + if (h_scrollbar_thickness
|
| +#if defined(OS_MACOSX)
|
| + ||
|
| +#else
|
| + &&
|
| +#endif
|
| + v_scrollbar_thickness) {
|
| + part.color = 0xFFFFFFFF;
|
| + part.location = pp::Rect(plugin_size_.width() - v_scrollbar_thickness,
|
| + plugin_size_.height() - h_scrollbar_thickness,
|
| + h_scrollbar_thickness,
|
| + v_scrollbar_thickness);
|
| + background_parts_.push_back(part);
|
| + }
|
| +}
|
| +
|
| +int Instance::GetDocumentPixelWidth() const {
|
| + return static_cast<int>(ceil(document_size_.width() * zoom_ * device_scale_));
|
| +}
|
| +
|
| +int Instance::GetDocumentPixelHeight() const {
|
| + return static_cast<int>(ceil(document_size_.height() *
|
| + zoom_ *
|
| + device_scale_));
|
| +}
|
| +
|
| +void Instance::FillRect(const pp::Rect& rect, unsigned int color) {
|
| + DCHECK(!image_data_.is_null() || rect.IsEmpty());
|
| + unsigned int* buffer_start = static_cast<unsigned int*>(image_data_.data());
|
| + int stride = image_data_.stride();
|
| + unsigned int* ptr = buffer_start + rect.y() * stride / 4 + rect.x();
|
| + int height = rect.height();
|
| + int width = rect.width();
|
| + for (int y = 0; y < height; ++y) {
|
| + for (int x = 0; x < width; ++x)
|
| + *(ptr + x) = color;
|
| + ptr += stride /4;
|
| + }
|
| +}
|
| +
|
| +void Instance::DocumentSizeUpdated(const pp::Size& size) {
|
| + document_size_ = size;
|
| +
|
| + OnGeometryChanged(zoom_, device_scale_);
|
| +}
|
| +
|
| +void Instance::Invalidate(const pp::Rect& rect) {
|
| + pp::Rect offset_rect(rect);
|
| + offset_rect.Offset(available_area_.point());
|
| + paint_manager_.InvalidateRect(offset_rect);
|
| +}
|
| +
|
| +void Instance::Scroll(const pp::Point& point) {
|
| + pp::Rect scroll_area = available_area_;
|
| + if (IsOverlayScrollbar()) {
|
| + pp::Rect rc;
|
| + if (h_scrollbar_.get()) {
|
| + h_scrollbar_->GetLocation(&rc);
|
| + ScaleRect(device_scale_, &rc);
|
| + if (scroll_area.bottom() > rc.y()) {
|
| + scroll_area.set_height(rc.y() - scroll_area.y());
|
| + paint_manager_.InvalidateRect(rc);
|
| + }
|
| + }
|
| + if (v_scrollbar_.get()) {
|
| + v_scrollbar_->GetLocation(&rc);
|
| + ScaleRect(device_scale_, &rc);
|
| + if (scroll_area.right() > rc.x()) {
|
| + scroll_area.set_width(rc.x() - scroll_area.x());
|
| + paint_manager_.InvalidateRect(rc);
|
| + }
|
| + }
|
| + }
|
| + paint_manager_.ScrollRect(scroll_area, point);
|
| +
|
| + if (toolbar_->current_transparency() != kTransparentAlpha)
|
| + paint_manager_.InvalidateRect(toolbar_->GetControlsRect());
|
| +
|
| + if (progress_bar_.visible())
|
| + paint_manager_.InvalidateRect(progress_bar_.rect());
|
| +
|
| + if (is_autoscroll_)
|
| + paint_manager_.InvalidateRect(autoscroll_rect_);
|
| +
|
| + if (show_page_indicator_) {
|
| + page_indicator_.set_current_page(GetPageNumberToDisplay());
|
| + page_indicator_.Splash();
|
| + }
|
| +
|
| + if (page_indicator_.visible())
|
| + paint_manager_.InvalidateRect(page_indicator_.rect());
|
| +
|
| + if (on_scroll_callback_.is_string())
|
| + ExecuteScript(on_scroll_callback_);
|
| +}
|
| +
|
| +void Instance::ScrollToX(int position) {
|
| + if (!h_scrollbar_.get()) {
|
| + NOTREACHED();
|
| + return;
|
| + }
|
| + int position_dip = static_cast<int>(position / device_scale_);
|
| + h_scrollbar_->SetValue(position_dip);
|
| +}
|
| +
|
| +void Instance::ScrollToY(int position) {
|
| + if (!v_scrollbar_.get()) {
|
| + NOTREACHED();
|
| + return;
|
| + }
|
| + int position_dip = static_cast<int>(position / device_scale_);
|
| + v_scrollbar_->SetValue(ClipToRange(position_dip, 0, valid_v_range_));
|
| +}
|
| +
|
| +void Instance::ScrollToPage(int page) {
|
| + if (!v_scrollbar_.get())
|
| + return;
|
| +
|
| + if (engine_->GetNumberOfPages() == 0)
|
| + return;
|
| +
|
| + int index = ClipToRange(page, 0, engine_->GetNumberOfPages() - 1);
|
| + pp::Rect rect = engine_->GetPageRect(index);
|
| + // If we are trying to scroll pass the last page,
|
| + // scroll to the end of the last page.
|
| + int position = index < page ? rect.bottom() : rect.y();
|
| + ScrollToY(position * zoom_ * device_scale_);
|
| +}
|
| +
|
| +void Instance::NavigateTo(const std::string& url, bool open_in_new_tab) {
|
| + std::string url_copy(url);
|
| +
|
| + // Empty |url_copy| is ok, and will effectively be a reload.
|
| + // Skip the code below so an empty URL does not turn into "http://", which
|
| + // will cause GURL to fail a DCHECK.
|
| + if (!url_copy.empty()) {
|
| + // If there's no scheme, add http.
|
| + if (url_copy.find("://") == std::string::npos &&
|
| + url_copy.find("mailto:") == std::string::npos) {
|
| + url_copy = std::string("http://") + url_copy;
|
| + }
|
| + // Make sure |url_copy| starts with a valid scheme.
|
| + if (url_copy.find("http://") != 0 &&
|
| + url_copy.find("https://") != 0 &&
|
| + url_copy.find("ftp://") != 0 &&
|
| + url_copy.find("mailto:") != 0) {
|
| + return;
|
| + }
|
| + // Make sure |url_copy| is not only a scheme.
|
| + if (url_copy == "http://" ||
|
| + url_copy == "https://" ||
|
| + url_copy == "ftp://" ||
|
| + url_copy == "mailto:") {
|
| + return;
|
| + }
|
| + }
|
| + if (open_in_new_tab) {
|
| + GetWindowObject().Call("open", url_copy);
|
| + } else {
|
| + GetWindowObject().GetProperty("top").GetProperty("location").
|
| + SetProperty("href", url_copy);
|
| + }
|
| +}
|
| +
|
| +void Instance::UpdateCursor(PP_CursorType_Dev cursor) {
|
| + if (cursor == cursor_)
|
| + return;
|
| + cursor_ = cursor;
|
| +
|
| + const PPB_CursorControl_Dev* cursor_interface =
|
| + reinterpret_cast<const PPB_CursorControl_Dev*>(
|
| + pp::Module::Get()->GetBrowserInterface(PPB_CURSOR_CONTROL_DEV_INTERFACE));
|
| + if (!cursor_interface) {
|
| + NOTREACHED();
|
| + return;
|
| + }
|
| +
|
| + cursor_interface->SetCursor(
|
| + pp_instance(), cursor_, pp::ImageData().pp_resource(), NULL);
|
| +}
|
| +
|
| +void Instance::UpdateTickMarks(const std::vector<pp::Rect>& tickmarks) {
|
| + if (!v_scrollbar_.get())
|
| + return;
|
| +
|
| + float inverse_scale = 1.0f / device_scale_;
|
| + std::vector<pp::Rect> scaled_tickmarks = tickmarks;
|
| + for (size_t i = 0; i < scaled_tickmarks.size(); i++) {
|
| + ScaleRect(inverse_scale, &scaled_tickmarks[i]);
|
| + }
|
| +
|
| + v_scrollbar_->SetTickMarks(
|
| + scaled_tickmarks.empty() ? NULL : &scaled_tickmarks[0], tickmarks.size());
|
| +}
|
| +
|
| +void Instance::NotifyNumberOfFindResultsChanged(int total, bool final_result) {
|
| + NumberOfFindResultsChanged(total, final_result);
|
| +}
|
| +
|
| +void Instance::NotifySelectedFindResultChanged(int current_find_index) {
|
| + SelectedFindResultChanged(current_find_index);
|
| +}
|
| +
|
| +void Instance::OnEvent(uint32 control_id, uint32 event_id, void* data) {
|
| + if (event_id == Button::EVENT_ID_BUTTON_CLICKED ||
|
| + event_id == Button::EVENT_ID_BUTTON_STATE_CHANGED) {
|
| + switch (control_id) {
|
| + case kFitToPageButtonId:
|
| + UserMetricsRecordAction("PDF.FitToPageButton");
|
| + SetZoom(ZOOM_FIT_TO_PAGE, 0);
|
| + ZoomChanged(zoom_);
|
| + break;
|
| + case kFitToWidthButtonId:
|
| + UserMetricsRecordAction("PDF.FitToWidthButton");
|
| + SetZoom(ZOOM_FIT_TO_WIDTH, 0);
|
| + ZoomChanged(zoom_);
|
| + break;
|
| + case kZoomOutButtonId:
|
| + case kZoomInButtonId:
|
| + UserMetricsRecordAction(control_id == kZoomOutButtonId ?
|
| + "PDF.ZoomOutButton" : "PDF.ZoomInButton");
|
| + SetZoom(ZOOM_SCALE, CalculateZoom(control_id));
|
| + ZoomChanged(zoom_);
|
| + break;
|
| + case kSaveButtonId:
|
| + UserMetricsRecordAction("PDF.SaveButton");
|
| + SaveAs();
|
| + break;
|
| + case kPrintButtonId:
|
| + UserMetricsRecordAction("PDF.PrintButton");
|
| + Print();
|
| + break;
|
| + }
|
| + }
|
| + if (control_id == kThumbnailsId &&
|
| + event_id == ThumbnailControl::EVENT_ID_THUMBNAIL_SELECTED) {
|
| + int page = *static_cast<int*>(data);
|
| + pp::Rect page_rc(engine_->GetPageRect(page));
|
| + ScrollToY(static_cast<int>(page_rc.y() * zoom_ * device_scale_));
|
| + }
|
| +}
|
| +
|
| +void Instance::Invalidate(uint32 control_id, const pp::Rect& rc) {
|
| + paint_manager_.InvalidateRect(rc);
|
| +}
|
| +
|
| +uint32 Instance::ScheduleTimer(uint32 control_id, uint32 timeout_ms) {
|
| + current_timer_id_++;
|
| + pp::CompletionCallback callback =
|
| + timer_factory_.NewCallback(&Instance::OnControlTimerFired,
|
| + control_id,
|
| + current_timer_id_);
|
| + pp::Module::Get()->core()->CallOnMainThread(timeout_ms, callback);
|
| + return current_timer_id_;
|
| +}
|
| +
|
| +void Instance::SetEventCapture(uint32 control_id, bool set_capture) {
|
| + // TODO(gene): set event capture here.
|
| +}
|
| +
|
| +void Instance::SetCursor(uint32 control_id, PP_CursorType_Dev cursor_type) {
|
| + UpdateCursor(cursor_type);
|
| +}
|
| +
|
| +pp::Instance* Instance::GetInstance() {
|
| + return this;
|
| +}
|
| +
|
| +void Instance::GetDocumentPassword(
|
| + pp::CompletionCallbackWithOutput<pp::Var> callback) {
|
| + std::string message(GetLocalizedString(PP_RESOURCESTRING_PDFGETPASSWORD));
|
| + pp::Var result = pp::PDF::ModalPromptForPassword(this, message);
|
| + *callback.output() = result.pp_var();
|
| + callback.Run(PP_OK);
|
| +}
|
| +
|
| +void Instance::Alert(const std::string& message) {
|
| + GetWindowObject().Call("alert", message);
|
| +}
|
| +
|
| +bool Instance::Confirm(const std::string& message) {
|
| + pp::Var result = GetWindowObject().Call("confirm", message);
|
| + return result.is_bool() ? result.AsBool() : false;
|
| +}
|
| +
|
| +std::string Instance::Prompt(const std::string& question,
|
| + const std::string& default_answer) {
|
| + pp::Var result = GetWindowObject().Call("prompt", question, default_answer);
|
| + return result.is_string() ? result.AsString() : std::string();
|
| +}
|
| +
|
| +std::string Instance::GetURL() {
|
| + return url_;
|
| +}
|
| +
|
| +void Instance::Email(const std::string& to,
|
| + const std::string& cc,
|
| + const std::string& bcc,
|
| + const std::string& subject,
|
| + const std::string& body) {
|
| + std::string javascript =
|
| + "var href = 'mailto:" + net::EscapeUrlEncodedData(to, false) +
|
| + "?cc=" + net::EscapeUrlEncodedData(cc, false) +
|
| + "&bcc=" + net::EscapeUrlEncodedData(bcc, false) +
|
| + "&subject=" + net::EscapeUrlEncodedData(subject, false) +
|
| + "&body=" + net::EscapeUrlEncodedData(body, false) +
|
| + "';var temp = window.open(href, '_blank', " +
|
| + "'width=1,height=1');if(temp) temp.close();";
|
| + ExecuteScript(javascript);
|
| +}
|
| +
|
| +void Instance::Print() {
|
| + if (!printing_enabled_ ||
|
| + (!engine_->HasPermission(PDFEngine::PERMISSION_PRINT_LOW_QUALITY) &&
|
| + !engine_->HasPermission(PDFEngine::PERMISSION_PRINT_HIGH_QUALITY))) {
|
| + return;
|
| + }
|
| +
|
| + pp::CompletionCallback callback =
|
| + print_callback_factory_.NewCallback(&Instance::OnPrint);
|
| + pp::Module::Get()->core()->CallOnMainThread(0, callback);
|
| +}
|
| +
|
| +void Instance::OnPrint(int32_t) {
|
| + pp::PDF::Print(this);
|
| +}
|
| +
|
| +void Instance::SaveAs() {
|
| + pp::PDF::SaveAs(this);
|
| +}
|
| +
|
| +void Instance::SubmitForm(const std::string& url,
|
| + const void* data,
|
| + int length) {
|
| + pp::URLRequestInfo request(this);
|
| + request.SetURL(url);
|
| + request.SetMethod("POST");
|
| + request.AppendDataToBody(reinterpret_cast<const char*>(data), length);
|
| +
|
| + pp::CompletionCallback callback =
|
| + form_factory_.NewCallback(&Instance::FormDidOpen);
|
| + form_loader_ = CreateURLLoaderInternal();
|
| + int rv = form_loader_.Open(request, callback);
|
| + if (rv != PP_OK_COMPLETIONPENDING)
|
| + callback.Run(rv);
|
| +}
|
| +
|
| +void Instance::FormDidOpen(int32_t result) {
|
| + // TODO: inform the user of success/failure.
|
| + if (result != PP_OK) {
|
| + NOTREACHED();
|
| + }
|
| +}
|
| +
|
| +std::string Instance::ShowFileSelectionDialog() {
|
| + // Seems like very low priority to implement, since the pdf has no way to get
|
| + // the file data anyways. Javascript doesn't let you do this synchronously.
|
| + NOTREACHED();
|
| + return std::string();
|
| +}
|
| +
|
| +pp::URLLoader Instance::CreateURLLoader() {
|
| + if (full_) {
|
| + if (!did_call_start_loading_) {
|
| + did_call_start_loading_ = true;
|
| + pp::PDF::DidStartLoading(this);
|
| + }
|
| +
|
| + // Disable save and print until the document is fully loaded, since they
|
| + // would generate an incomplete document. Need to do this each time we
|
| + // call DidStartLoading since that resets the content restrictions.
|
| + pp::PDF::SetContentRestriction(this, CONTENT_RESTRICTION_SAVE |
|
| + CONTENT_RESTRICTION_PRINT);
|
| + }
|
| +
|
| + return CreateURLLoaderInternal();
|
| +}
|
| +
|
| +void Instance::ScheduleCallback(int id, int delay_in_ms) {
|
| + pp::CompletionCallback callback =
|
| + timer_factory_.NewCallback(&Instance::OnClientTimerFired);
|
| + pp::Module::Get()->core()->CallOnMainThread(delay_in_ms, callback, id);
|
| +}
|
| +
|
| +void Instance::SearchString(const base::char16* string,
|
| + const base::char16* term,
|
| + bool case_sensitive,
|
| + std::vector<SearchStringResult>* results) {
|
| + if (!pp::PDF::IsAvailable()) {
|
| + NOTREACHED();
|
| + return;
|
| + }
|
| +
|
| + PP_PrivateFindResult* pp_results;
|
| + int count = 0;
|
| + pp::PDF::SearchString(
|
| + this,
|
| + reinterpret_cast<const unsigned short*>(string),
|
| + reinterpret_cast<const unsigned short*>(term),
|
| + case_sensitive,
|
| + &pp_results,
|
| + &count);
|
| +
|
| + results->resize(count);
|
| + for (int i = 0; i < count; ++i) {
|
| + (*results)[i].start_index = pp_results[i].start_index;
|
| + (*results)[i].length = pp_results[i].length;
|
| + }
|
| +
|
| + pp::Memory_Dev memory;
|
| + memory.MemFree(pp_results);
|
| +}
|
| +
|
| +void Instance::DocumentPaintOccurred() {
|
| + if (painted_first_page_)
|
| + return;
|
| +
|
| + painted_first_page_ = true;
|
| + UpdateToolbarPosition(false);
|
| + toolbar_->Splash(kToolbarSplashTimeoutMs);
|
| +
|
| + if (engine_->GetNumberOfPages() > 1)
|
| + show_page_indicator_ = true;
|
| + else
|
| + show_page_indicator_ = false;
|
| +
|
| + if (v_scrollbar_.get() && show_page_indicator_) {
|
| + page_indicator_.set_current_page(GetPageNumberToDisplay());
|
| + page_indicator_.Splash(kToolbarSplashTimeoutMs,
|
| + kPageIndicatorInitialFadeTimeoutMs);
|
| + }
|
| +}
|
| +
|
| +void Instance::DocumentLoadComplete(int page_count) {
|
| + // Clear focus state for OSK.
|
| + FormTextFieldFocusChange(false);
|
| +
|
| + // Update progress control.
|
| + if (progress_bar_.visible())
|
| + progress_bar_.Fade(false, kProgressFadeTimeoutMs);
|
| +
|
| + DCHECK(document_load_state_ == LOAD_STATE_LOADING);
|
| + document_load_state_ = LOAD_STATE_COMPLETE;
|
| + UserMetricsRecordAction("PDF.LoadSuccess");
|
| + if (on_load_callback_.is_string())
|
| + ExecuteScript(on_load_callback_);
|
| + // Note: If we are in print preview mode on_load_callback_ might call
|
| + // ScrollTo{X|Y}() and we don't want to scroll again and override it.
|
| + // #page=N is not supported in Print Preview.
|
| + if (!IsPrintPreview()) {
|
| + int initial_page = GetInitialPage(url_);
|
| + if (initial_page >= 0)
|
| + ScrollToPage(initial_page);
|
| + }
|
| +
|
| + if (!full_)
|
| + return;
|
| + if (!pp::PDF::IsAvailable())
|
| + return;
|
| +
|
| + if (did_call_start_loading_) {
|
| + pp::PDF::DidStopLoading(this);
|
| + did_call_start_loading_ = false;
|
| + }
|
| +
|
| + int content_restrictions =
|
| + CONTENT_RESTRICTION_CUT | CONTENT_RESTRICTION_PASTE;
|
| + if (!engine_->HasPermission(PDFEngine::PERMISSION_COPY))
|
| + content_restrictions |= CONTENT_RESTRICTION_COPY;
|
| +
|
| + if (!engine_->HasPermission(PDFEngine::PERMISSION_PRINT_LOW_QUALITY) &&
|
| + !engine_->HasPermission(PDFEngine::PERMISSION_PRINT_HIGH_QUALITY)) {
|
| + printing_enabled_ = false;
|
| + if (current_tb_info_ == kPDFToolbarButtons) {
|
| + // Remove Print button.
|
| + CreateToolbar(kPDFNoPrintToolbarButtons,
|
| + arraysize(kPDFNoPrintToolbarButtons));
|
| + UpdateToolbarPosition(false);
|
| + Invalidate(pp::Rect(plugin_size_));
|
| + }
|
| + }
|
| +
|
| + pp::PDF::SetContentRestriction(this, content_restrictions);
|
| +
|
| + pp::PDF::HistogramPDFPageCount(this, page_count);
|
| +}
|
| +
|
| +void Instance::RotateClockwise() {
|
| + engine_->RotateClockwise();
|
| +}
|
| +
|
| +void Instance::RotateCounterclockwise() {
|
| + engine_->RotateCounterclockwise();
|
| +}
|
| +
|
| +void Instance::PreviewDocumentLoadComplete() {
|
| + if (preview_document_load_state_ != LOAD_STATE_LOADING ||
|
| + preview_pages_info_.empty()) {
|
| + return;
|
| + }
|
| +
|
| + preview_document_load_state_ = LOAD_STATE_COMPLETE;
|
| +
|
| + int dest_page_index = preview_pages_info_.front().second;
|
| + int src_page_index =
|
| + ExtractPrintPreviewPageIndex(preview_pages_info_.front().first);
|
| + if (src_page_index > 0 && dest_page_index > -1 && preview_engine_.get())
|
| + engine_->AppendPage(preview_engine_.get(), dest_page_index);
|
| +
|
| + preview_pages_info_.pop();
|
| + // |print_preview_page_count_| is not updated yet. Do not load any
|
| + // other preview pages till we get this information.
|
| + if (print_preview_page_count_ == 0)
|
| + return;
|
| +
|
| + if (preview_pages_info_.size())
|
| + LoadAvailablePreviewPage();
|
| +}
|
| +
|
| +void Instance::DocumentLoadFailed() {
|
| + DCHECK(document_load_state_ == LOAD_STATE_LOADING);
|
| + UserMetricsRecordAction("PDF.LoadFailure");
|
| +
|
| + // Hide progress control.
|
| + progress_bar_.Fade(false, kProgressFadeTimeoutMs);
|
| +
|
| + if (did_call_start_loading_) {
|
| + pp::PDF::DidStopLoading(this);
|
| + did_call_start_loading_ = false;
|
| + }
|
| +
|
| + document_load_state_ = LOAD_STATE_FAILED;
|
| + paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
|
| +}
|
| +
|
| +void Instance::PreviewDocumentLoadFailed() {
|
| + UserMetricsRecordAction("PDF.PreviewDocumentLoadFailure");
|
| + if (preview_document_load_state_ != LOAD_STATE_LOADING ||
|
| + preview_pages_info_.empty()) {
|
| + return;
|
| + }
|
| +
|
| + preview_document_load_state_ = LOAD_STATE_FAILED;
|
| + preview_pages_info_.pop();
|
| +
|
| + if (preview_pages_info_.size())
|
| + LoadAvailablePreviewPage();
|
| +}
|
| +
|
| +pp::Instance* Instance::GetPluginInstance() {
|
| + return GetInstance();
|
| +}
|
| +
|
| +void Instance::DocumentHasUnsupportedFeature(const std::string& feature) {
|
| + std::string metric("PDF_Unsupported_");
|
| + metric += feature;
|
| + if (!unsupported_features_reported_.count(metric)) {
|
| + unsupported_features_reported_.insert(metric);
|
| + UserMetricsRecordAction(metric);
|
| + }
|
| +
|
| + // Since we use an info bar, only do this for full frame plugins..
|
| + if (!full_)
|
| + return;
|
| +
|
| + if (told_browser_about_unsupported_feature_)
|
| + return;
|
| + told_browser_about_unsupported_feature_ = true;
|
| +
|
| + pp::PDF::HasUnsupportedFeature(this);
|
| +}
|
| +
|
| +void Instance::DocumentLoadProgress(uint32 available, uint32 doc_size) {
|
| + double progress = 0.0;
|
| + if (doc_size == 0) {
|
| + // Document size is unknown. Use heuristics.
|
| + // We'll make progress logarithmic from 0 to 100M.
|
| + static const double kFactor = log(100000000.0) / 100.0;
|
| + if (available > 0) {
|
| + progress = log(static_cast<double>(available)) / kFactor;
|
| + if (progress > 100.0)
|
| + progress = 100.0;
|
| + }
|
| + } else {
|
| + progress = 100.0 * static_cast<double>(available) / doc_size;
|
| + }
|
| + progress_bar_.SetProgress(progress);
|
| +}
|
| +
|
| +void Instance::FormTextFieldFocusChange(bool in_focus) {
|
| + if (!text_input_.get())
|
| + return;
|
| + if (in_focus)
|
| + text_input_->SetTextInputType(PP_TEXTINPUT_TYPE_DEV_TEXT);
|
| + else
|
| + text_input_->SetTextInputType(PP_TEXTINPUT_TYPE_DEV_NONE);
|
| +}
|
| +
|
| +// Called by PDFScriptableObject.
|
| +bool Instance::HasScriptableMethod(const pp::Var& method, pp::Var* exception) {
|
| + std::string method_str = method.AsString();
|
| + return (method_str == kJSAccessibility ||
|
| + method_str == kJSDocumentLoadComplete ||
|
| + method_str == kJSGetHeight ||
|
| + method_str == kJSGetHorizontalScrollbarThickness ||
|
| + method_str == kJSGetPageLocationNormalized ||
|
| + method_str == kJSGetVerticalScrollbarThickness ||
|
| + method_str == kJSGetWidth ||
|
| + method_str == kJSGetZoomLevel ||
|
| + method_str == kJSGoToPage ||
|
| + method_str == kJSGrayscale ||
|
| + method_str == kJSLoadPreviewPage ||
|
| + method_str == kJSOnLoad ||
|
| + method_str == kJSOnPluginSizeChanged ||
|
| + method_str == kJSOnScroll ||
|
| + method_str == kJSPageXOffset ||
|
| + method_str == kJSPageYOffset ||
|
| + method_str == kJSPrintPreviewPageCount ||
|
| + method_str == kJSReload ||
|
| + method_str == kJSRemovePrintButton ||
|
| + method_str == kJSResetPrintPreviewUrl ||
|
| + method_str == kJSSendKeyEvent ||
|
| + method_str == kJSSetPageNumbers ||
|
| + method_str == kJSSetPageXOffset ||
|
| + method_str == kJSSetPageYOffset ||
|
| + method_str == kJSSetZoomLevel ||
|
| + method_str == kJSZoomFitToHeight ||
|
| + method_str == kJSZoomFitToWidth ||
|
| + method_str == kJSZoomIn ||
|
| + method_str == kJSZoomOut);
|
| +}
|
| +
|
| +pp::Var Instance::CallScriptableMethod(const pp::Var& method,
|
| + const std::vector<pp::Var>& args,
|
| + pp::Var* exception) {
|
| + std::string method_str = method.AsString();
|
| + if (method_str == kJSGrayscale) {
|
| + if (args.size() == 1 && args[0].is_bool()) {
|
| + engine_->SetGrayscale(args[0].AsBool());
|
| + // Redraw
|
| + paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
|
| +#ifdef ENABLE_THUMBNAILS
|
| + if (thumbnails_.visible())
|
| + thumbnails_.Show(true, true);
|
| +#endif
|
| + return pp::Var(true);
|
| + }
|
| + return pp::Var(false);
|
| + }
|
| + if (method_str == kJSOnLoad) {
|
| + if (args.size() == 1 && args[0].is_string()) {
|
| + on_load_callback_ = args[0];
|
| + return pp::Var(true);
|
| + }
|
| + return pp::Var(false);
|
| + }
|
| + if (method_str == kJSOnScroll) {
|
| + if (args.size() == 1 && args[0].is_string()) {
|
| + on_scroll_callback_ = args[0];
|
| + return pp::Var(true);
|
| + }
|
| + return pp::Var(false);
|
| + }
|
| + if (method_str == kJSOnPluginSizeChanged) {
|
| + if (args.size() == 1 && args[0].is_string()) {
|
| + on_plugin_size_changed_callback_ = args[0];
|
| + return pp::Var(true);
|
| + }
|
| + return pp::Var(false);
|
| + }
|
| + if (method_str == kJSReload) {
|
| + document_load_state_ = LOAD_STATE_LOADING;
|
| + if (!full_)
|
| + LoadUrl(url_);
|
| + preview_engine_.reset();
|
| + print_preview_page_count_ = 0;
|
| + engine_.reset(PDFEngine::Create(this));
|
| + engine_->New(url_.c_str());
|
| +#ifdef ENABLE_THUMBNAILS
|
| + thumbnails_.ResetEngine(engine_.get());
|
| +#endif
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSResetPrintPreviewUrl) {
|
| + if (args.size() == 1 && args[0].is_string()) {
|
| + url_ = args[0].AsString();
|
| + preview_pages_info_ = std::queue<PreviewPageInfo>();
|
| + preview_document_load_state_ = LOAD_STATE_COMPLETE;
|
| + }
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSZoomFitToHeight) {
|
| + SetZoom(ZOOM_FIT_TO_PAGE, 0);
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSZoomFitToWidth) {
|
| + SetZoom(ZOOM_FIT_TO_WIDTH, 0);
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSZoomIn) {
|
| + SetZoom(ZOOM_SCALE, CalculateZoom(kZoomInButtonId));
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSZoomOut) {
|
| + SetZoom(ZOOM_SCALE, CalculateZoom(kZoomOutButtonId));
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSSetZoomLevel) {
|
| + if (args.size() == 1 && args[0].is_double())
|
| + SetZoom(ZOOM_SCALE, args[0].AsDouble());
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSGetZoomLevel) {
|
| + return pp::Var(zoom_);
|
| + }
|
| + if (method_str == kJSGetHeight) {
|
| + return pp::Var(plugin_size_.height());
|
| + }
|
| + if (method_str == kJSGetWidth) {
|
| + return pp::Var(plugin_size_.width());
|
| + }
|
| + if (method_str == kJSGetHorizontalScrollbarThickness) {
|
| + return pp::Var(
|
| + h_scrollbar_.get() ? GetScrollbarReservedThickness() : 0);
|
| + }
|
| + if (method_str == kJSGetVerticalScrollbarThickness) {
|
| + return pp::Var(
|
| + v_scrollbar_.get() ? GetScrollbarReservedThickness() : 0);
|
| + }
|
| + if (method_str == kJSDocumentLoadComplete) {
|
| + return pp::Var((document_load_state_ != LOAD_STATE_LOADING));
|
| + }
|
| + if (method_str == kJSPageYOffset) {
|
| + return pp::Var(static_cast<int32_t>(
|
| + v_scrollbar_.get() ? v_scrollbar_->GetValue() : 0));
|
| + }
|
| + if (method_str == kJSSetPageYOffset) {
|
| + if (args.size() == 1 && args[0].is_number() && v_scrollbar_.get())
|
| + ScrollToY(GetScaled(args[0].AsInt()));
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSPageXOffset) {
|
| + return pp::Var(static_cast<int32_t>(
|
| + h_scrollbar_.get() ? h_scrollbar_->GetValue() : 0));
|
| + }
|
| + if (method_str == kJSSetPageXOffset) {
|
| + if (args.size() == 1 && args[0].is_number() && h_scrollbar_.get())
|
| + ScrollToX(GetScaled(args[0].AsInt()));
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSRemovePrintButton) {
|
| + CreateToolbar(kPrintPreviewToolbarButtons,
|
| + arraysize(kPrintPreviewToolbarButtons));
|
| + UpdateToolbarPosition(false);
|
| + Invalidate(pp::Rect(plugin_size_));
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSGoToPage) {
|
| + if (args.size() == 1 && args[0].is_string()) {
|
| + ScrollToPage(atoi(args[0].AsString().c_str()));
|
| + }
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSAccessibility) {
|
| + if (args.size() == 0) {
|
| + base::DictionaryValue node;
|
| + node.SetInteger(kAccessibleNumberOfPages, engine_->GetNumberOfPages());
|
| + node.SetBoolean(kAccessibleLoaded,
|
| + document_load_state_ != LOAD_STATE_LOADING);
|
| + bool has_permissions =
|
| + engine_->HasPermission(PDFEngine::PERMISSION_COPY) ||
|
| + engine_->HasPermission(PDFEngine::PERMISSION_COPY_ACCESSIBLE);
|
| + node.SetBoolean(kAccessibleCopyable, has_permissions);
|
| + std::string json;
|
| + base::JSONWriter::Write(&node, &json);
|
| + return pp::Var(json);
|
| + } else if (args[0].is_number()) {
|
| + return pp::Var(engine_->GetPageAsJSON(args[0].AsInt()));
|
| + }
|
| + }
|
| + if (method_str == kJSPrintPreviewPageCount) {
|
| + if (args.size() == 1 && args[0].is_number())
|
| + SetPrintPreviewMode(args[0].AsInt());
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSLoadPreviewPage) {
|
| + if (args.size() == 2 && args[0].is_string() && args[1].is_number())
|
| + ProcessPreviewPageInfo(args[0].AsString(), args[1].AsInt());
|
| + return pp::Var();
|
| + }
|
| + if (method_str == kJSGetPageLocationNormalized) {
|
| + const size_t kMaxLength = 30;
|
| + char location_info[kMaxLength];
|
| + int page_idx = engine_->GetMostVisiblePage();
|
| + if (page_idx < 0)
|
| + return pp::Var(std::string());
|
| + pp::Rect rect = engine_->GetPageContentsRect(page_idx);
|
| + int v_scrollbar_reserved_thickness =
|
| + v_scrollbar_.get() ? GetScaled(GetScrollbarReservedThickness()) : 0;
|
| +
|
| + rect.set_x(rect.x() + ((plugin_size_.width() -
|
| + v_scrollbar_reserved_thickness - available_area_.width()) / 2));
|
| + base::snprintf(location_info,
|
| + kMaxLength,
|
| + "%0.4f;%0.4f;%0.4f;%0.4f;",
|
| + rect.x() / static_cast<float>(plugin_size_.width()),
|
| + rect.y() / static_cast<float>(plugin_size_.height()),
|
| + rect.width() / static_cast<float>(plugin_size_.width()),
|
| + rect.height()/ static_cast<float>(plugin_size_.height()));
|
| + return pp::Var(std::string(location_info));
|
| + }
|
| + if (method_str == kJSSetPageNumbers) {
|
| + if (args.size() != 1 || !args[0].is_string())
|
| + return pp::Var();
|
| + const int num_pages_signed = engine_->GetNumberOfPages();
|
| + if (num_pages_signed <= 0)
|
| + return pp::Var();
|
| + scoped_ptr<base::ListValue> page_ranges(static_cast<base::ListValue*>(
|
| + base::JSONReader::Read(args[0].AsString(), false)));
|
| + const size_t num_pages = static_cast<size_t>(num_pages_signed);
|
| + if (!page_ranges.get() || page_ranges->GetSize() != num_pages)
|
| + return pp::Var();
|
| +
|
| + std::vector<int> print_preview_page_numbers;
|
| + for (size_t index = 0; index < num_pages; ++index) {
|
| + int page_number = 0; // |page_number| is 1-based.
|
| + if (!page_ranges->GetInteger(index, &page_number) || page_number < 1)
|
| + return pp::Var();
|
| + print_preview_page_numbers.push_back(page_number);
|
| + }
|
| + print_preview_page_numbers_ = print_preview_page_numbers;
|
| + page_indicator_.set_current_page(GetPageNumberToDisplay());
|
| + return pp::Var();
|
| + }
|
| + // This is here to work around https://bugs.webkit.org/show_bug.cgi?id=16735.
|
| + // In JS, creating a synthetic keyboard event and dispatching it always
|
| + // result in a keycode of 0.
|
| + if (method_str == kJSSendKeyEvent) {
|
| + if (args.size() == 1 && args[0].is_number()) {
|
| + pp::KeyboardInputEvent event(
|
| + this, // instance
|
| + PP_INPUTEVENT_TYPE_KEYDOWN, // HandleInputEvent only care about this.
|
| + 0, // timestamp, not used for kbd events.
|
| + 0, // no modifiers.
|
| + args[0].AsInt(), // keycode.
|
| + pp::Var()); // no char text needed.
|
| + HandleInputEvent(event);
|
| + }
|
| + }
|
| + return pp::Var();
|
| +}
|
| +
|
| +void Instance::OnGeometryChanged(double old_zoom, float old_device_scale) {
|
| + bool force_no_horizontal_scrollbar = false;
|
| + int scrollbar_thickness = GetScrollbarThickness();
|
| +
|
| + if (old_device_scale != device_scale_) {
|
| + // Change in device scale forces us to recreate resources
|
| + ConfigureNumberImageGenerator();
|
| +
|
| + CreateToolbar(current_tb_info_, current_tb_info_size_);
|
| + // Load autoscroll anchor image.
|
| + autoscroll_anchor_ =
|
| + CreateResourceImage(PP_RESOURCEIMAGE_PDF_PAN_SCROLL_ICON);
|
| +
|
| + ConfigurePageIndicator();
|
| + ConfigureProgressBar();
|
| +
|
| + pp::Point scroll_position = engine_->GetScrollPosition();
|
| + ScalePoint(device_scale_ / old_device_scale, &scroll_position);
|
| + engine_->SetScrollPosition(scroll_position);
|
| + }
|
| +
|
| + UpdateZoomScale();
|
| + if (zoom_ != old_zoom || device_scale_ != old_device_scale)
|
| + engine_->ZoomUpdated(zoom_ * device_scale_);
|
| + if (zoom_ != old_zoom)
|
| + ZoomChanged(zoom_);
|
| +
|
| + available_area_ = pp::Rect(plugin_size_);
|
| + if (GetDocumentPixelHeight() > plugin_size_.height()) {
|
| + CreateVerticalScrollbar();
|
| + } else {
|
| + DestroyVerticalScrollbar();
|
| + }
|
| +
|
| + int v_scrollbar_reserved_thickness =
|
| + v_scrollbar_.get() ? GetScaled(GetScrollbarReservedThickness()) : 0;
|
| +
|
| + if (!force_no_horizontal_scrollbar &&
|
| + GetDocumentPixelWidth() >
|
| + (plugin_size_.width() - v_scrollbar_reserved_thickness)) {
|
| + CreateHorizontalScrollbar();
|
| +
|
| + // Adding the horizontal scrollbar now might cause us to need vertical
|
| + // scrollbars.
|
| + if (GetDocumentPixelHeight() >
|
| + plugin_size_.height() - GetScaled(GetScrollbarReservedThickness())) {
|
| + CreateVerticalScrollbar();
|
| + }
|
| +
|
| + } else {
|
| + DestroyHorizontalScrollbar();
|
| + }
|
| +
|
| +#ifdef ENABLE_THUMBNAILS
|
| + int thumbnails_pos = 0, thumbnails_total = 0;
|
| +#endif
|
| + if (v_scrollbar_.get()) {
|
| + v_scrollbar_->SetScale(device_scale_);
|
| + available_area_.set_width(
|
| + std::max(0, plugin_size_.width() - v_scrollbar_reserved_thickness));
|
| +
|
| +#ifdef ENABLE_THUMBNAILS
|
| + int height = plugin_size_.height();
|
| +#endif
|
| + int height_dip = plugin_dip_size_.height();
|
| +
|
| +#if defined(OS_MACOSX)
|
| + // Before Lion, Mac always had the resize at the bottom. After that, it
|
| + // never did.
|
| + if ((base::mac::IsOSSnowLeopard() && full_) ||
|
| + (base::mac::IsOSLionOrLater() && h_scrollbar_.get())) {
|
| +#else
|
| + if (h_scrollbar_.get()) {
|
| +#endif // defined(OS_MACOSX)
|
| +#ifdef ENABLE_THUMBNAILS
|
| + height -= GetScaled(GetScrollbarThickness());
|
| +#endif
|
| + height_dip -= GetScrollbarThickness();
|
| + }
|
| +#ifdef ENABLE_THUMBNAILS
|
| + int32 doc_height = GetDocumentPixelHeight();
|
| +#endif
|
| + int32 doc_height_dip =
|
| + static_cast<int32>(GetDocumentPixelHeight() / device_scale_);
|
| +#if defined(OS_MACOSX)
|
| + // On the Mac we always allow room for the resize button (whose width is
|
| + // the same as that of the scrollbar) in full mode. However, if there is no
|
| + // no horizontal scrollbar, the end of the scrollbar will scroll past the
|
| + // end of the document. This is because the scrollbar assumes that its own
|
| + // height (in the case of a vscroll bar) is the same as the height of the
|
| + // viewport. Since the viewport is actually larger, we compensate by
|
| + // adjusting the document height. Similar logic applies below for the
|
| + // horizontal scrollbar.
|
| + // For example, if the document size is 1000, and the viewport size is 200,
|
| + // then the scrollbar position at the end will be 800. In this case the
|
| + // viewport is actally 215 (assuming 15 as the scrollbar width) but the
|
| + // scrollbar thinks it is 200. We want the scrollbar position at the end to
|
| + // be 785. Making the document size 985 achieves this.
|
| + if (full_ && !h_scrollbar_.get()) {
|
| +#ifdef ENABLE_THUMBNAILS
|
| + doc_height -= GetScaled(GetScrollbarThickness());
|
| +#endif
|
| + doc_height_dip -= GetScrollbarThickness();
|
| + }
|
| +#endif // defined(OS_MACOSX)
|
| +
|
| + int32 position;
|
| + position = v_scrollbar_->GetValue();
|
| + position = static_cast<int>(position * zoom_ / old_zoom);
|
| + valid_v_range_ = doc_height_dip - height_dip;
|
| + if (position > valid_v_range_)
|
| + position = valid_v_range_;
|
| +
|
| + v_scrollbar_->SetValue(position);
|
| +
|
| + PP_Rect loc;
|
| + loc.point.x = static_cast<int>(available_area_.right() / device_scale_);
|
| + if (IsOverlayScrollbar())
|
| + loc.point.x -= scrollbar_thickness;
|
| + loc.point.y = 0;
|
| + loc.size.width = scrollbar_thickness;
|
| + loc.size.height = height_dip;
|
| + v_scrollbar_->SetLocation(loc);
|
| + v_scrollbar_->SetDocumentSize(doc_height_dip);
|
| +
|
| +#ifdef ENABLE_THUMBNAILS
|
| + thumbnails_pos = position;
|
| + thumbnails_total = doc_height - height;
|
| +#endif
|
| + }
|
| +
|
| + if (h_scrollbar_.get()) {
|
| + h_scrollbar_->SetScale(device_scale_);
|
| + available_area_.set_height(
|
| + std::max(0, plugin_size_.height() -
|
| + GetScaled(GetScrollbarReservedThickness())));
|
| +
|
| + int width_dip = plugin_dip_size_.width();
|
| +
|
| + // See note above.
|
| +#if defined(OS_MACOSX)
|
| + if ((base::mac::IsOSSnowLeopard() && full_) ||
|
| + (base::mac::IsOSLionOrLater() && v_scrollbar_.get())) {
|
| +#else
|
| + if (v_scrollbar_.get()) {
|
| +#endif
|
| + width_dip -= GetScrollbarThickness();
|
| + }
|
| + int32 doc_width_dip =
|
| + static_cast<int32>(GetDocumentPixelWidth() / device_scale_);
|
| +#if defined(OS_MACOSX)
|
| + // See comment in the above if (v_scrollbar_.get()) block.
|
| + if (full_ && !v_scrollbar_.get())
|
| + doc_width_dip -= GetScrollbarThickness();
|
| +#endif // defined(OS_MACOSX)
|
| +
|
| + int32 position;
|
| + position = h_scrollbar_->GetValue();
|
| + position = static_cast<int>(position * zoom_ / old_zoom);
|
| + position = std::min(position, doc_width_dip - width_dip);
|
| +
|
| + h_scrollbar_->SetValue(position);
|
| +
|
| + PP_Rect loc;
|
| + loc.point.x = 0;
|
| + loc.point.y = static_cast<int>(available_area_.bottom() / device_scale_);
|
| + if (IsOverlayScrollbar())
|
| + loc.point.y -= scrollbar_thickness;
|
| + loc.size.width = width_dip;
|
| + loc.size.height = scrollbar_thickness;
|
| + h_scrollbar_->SetLocation(loc);
|
| + h_scrollbar_->SetDocumentSize(doc_width_dip);
|
| + }
|
| +
|
| + int doc_width = GetDocumentPixelWidth();
|
| + if (doc_width < available_area_.width()) {
|
| + available_area_.Offset((available_area_.width() - doc_width) / 2, 0);
|
| + available_area_.set_width(doc_width);
|
| + }
|
| + int doc_height = GetDocumentPixelHeight();
|
| + if (doc_height < available_area_.height()) {
|
| + available_area_.set_height(doc_height);
|
| + }
|
| +
|
| + // We'll invalidate the entire plugin anyways.
|
| + UpdateToolbarPosition(false);
|
| + UpdateProgressBarPosition(false);
|
| + UpdatePageIndicatorPosition(false);
|
| +
|
| +#ifdef ENABLE_THUMBNAILS
|
| + // Update thumbnail control position.
|
| + thumbnails_.SetPosition(thumbnails_pos, thumbnails_total, false);
|
| + pp::Rect thumbnails_rc(plugin_size_.width() - GetScaled(kThumbnailsWidth), 0,
|
| + GetScaled(kThumbnailsWidth), plugin_size_.height());
|
| + if (v_scrollbar_.get())
|
| + thumbnails_rc.Offset(-v_scrollbar_reserved_thickness, 0);
|
| + if (h_scrollbar_.get())
|
| + thumbnails_rc.Inset(0, 0, 0, v_scrollbar_reserved_thickness);
|
| + thumbnails_.SetRect(thumbnails_rc, false);
|
| +#endif
|
| +
|
| + CalculateBackgroundParts();
|
| + engine_->PageOffsetUpdated(available_area_.point());
|
| + engine_->PluginSizeUpdated(available_area_.size());
|
| +
|
| + if (!document_size_.GetArea())
|
| + return;
|
| + paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
|
| +
|
| + if (on_plugin_size_changed_callback_.is_string())
|
| + ExecuteScript(on_plugin_size_changed_callback_);
|
| +}
|
| +
|
| +void Instance::CreateHorizontalScrollbar() {
|
| + if (h_scrollbar_.get())
|
| + return;
|
| +
|
| + h_scrollbar_.reset(new pp::Scrollbar_Dev(this, false));
|
| +}
|
| +
|
| +void Instance::CreateVerticalScrollbar() {
|
| + if (v_scrollbar_.get())
|
| + return;
|
| +
|
| + v_scrollbar_.reset(new pp::Scrollbar_Dev(this, true));
|
| +}
|
| +
|
| +void Instance::DestroyHorizontalScrollbar() {
|
| + if (!h_scrollbar_.get())
|
| + return;
|
| + if (h_scrollbar_->GetValue())
|
| + engine_->ScrolledToXPosition(0);
|
| + h_scrollbar_.reset();
|
| +}
|
| +
|
| +void Instance::DestroyVerticalScrollbar() {
|
| + if (!v_scrollbar_.get())
|
| + return;
|
| + if (v_scrollbar_->GetValue())
|
| + engine_->ScrolledToYPosition(0);
|
| + v_scrollbar_.reset();
|
| + page_indicator_.Show(false, true);
|
| +}
|
| +
|
| +int Instance::GetScrollbarThickness() {
|
| + if (scrollbar_thickness_ == -1) {
|
| + pp::Scrollbar_Dev temp_scrollbar(this, false);
|
| + scrollbar_thickness_ = temp_scrollbar.GetThickness();
|
| + scrollbar_reserved_thickness_ =
|
| + temp_scrollbar.IsOverlay() ? 0 : scrollbar_thickness_;
|
| + }
|
| +
|
| + return scrollbar_thickness_;
|
| +}
|
| +
|
| +int Instance::GetScrollbarReservedThickness() {
|
| + GetScrollbarThickness();
|
| + return scrollbar_reserved_thickness_;
|
| +}
|
| +
|
| +bool Instance::IsOverlayScrollbar() {
|
| + return GetScrollbarReservedThickness() == 0;
|
| +}
|
| +
|
| +void Instance::CreateToolbar(const ToolbarButtonInfo* tb_info, size_t size) {
|
| + toolbar_.reset(new FadingControls());
|
| +
|
| + DCHECK(tb_info);
|
| + DCHECK(size >= 0);
|
| +
|
| + // Remember the current toolbar information in case we need to recreate the
|
| + // images later.
|
| + current_tb_info_ = tb_info;
|
| + current_tb_info_size_ = size;
|
| +
|
| + int max_height = 0;
|
| + pp::Point origin(kToolbarFadingOffsetLeft, kToolbarFadingOffsetTop);
|
| + ScalePoint(device_scale_, &origin);
|
| +
|
| + std::list<Button*> buttons;
|
| + for (size_t i = 0; i < size; i++) {
|
| + Button* btn = new Button;
|
| + pp::ImageData normal_face =
|
| + CreateResourceImage(tb_info[i].normal);
|
| + btn->CreateButton(tb_info[i].id,
|
| + origin,
|
| + true,
|
| + toolbar_.get(),
|
| + tb_info[i].style,
|
| + normal_face,
|
| + CreateResourceImage(tb_info[i].highlighted),
|
| + CreateResourceImage(tb_info[i].pressed));
|
| + buttons.push_back(btn);
|
| +
|
| + origin += pp::Point(normal_face.size().width(), 0);
|
| + max_height = std::max(max_height, normal_face.size().height());
|
| + }
|
| +
|
| + pp::Rect rc_toolbar(0, 0,
|
| + origin.x() + GetToolbarRightOffset(),
|
| + origin.y() + max_height + GetToolbarBottomOffset());
|
| + toolbar_->CreateFadingControls(
|
| + kToolbarId, rc_toolbar, false, this, kTransparentAlpha);
|
| +
|
| + std::list<Button*>::iterator iter;
|
| + for (iter = buttons.begin(); iter != buttons.end(); ++iter) {
|
| + toolbar_->AddControl(*iter);
|
| + }
|
| +}
|
| +
|
| +int Instance::GetToolbarRightOffset() {
|
| + int scrollbar_thickness = GetScrollbarThickness();
|
| + return GetScaled(kToolbarFadingOffsetRight) + 2 * scrollbar_thickness;
|
| +}
|
| +
|
| +int Instance::GetToolbarBottomOffset() {
|
| + int scrollbar_thickness = GetScrollbarThickness();
|
| + return GetScaled(kToolbarFadingOffsetBottom) + scrollbar_thickness;
|
| +}
|
| +
|
| +std::vector<pp::ImageData> Instance::GetThumbnailResources() {
|
| + std::vector<pp::ImageData> num_images(10);
|
| + num_images[0] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_0);
|
| + num_images[1] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_1);
|
| + num_images[2] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_2);
|
| + num_images[3] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_3);
|
| + num_images[4] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_4);
|
| + num_images[5] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_5);
|
| + num_images[6] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_6);
|
| + num_images[7] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_7);
|
| + num_images[8] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_8);
|
| + num_images[9] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_9);
|
| + return num_images;
|
| +}
|
| +
|
| +std::vector<pp::ImageData> Instance::GetProgressBarResources(
|
| + pp::ImageData* background) {
|
| + std::vector<pp::ImageData> result(9);
|
| + result[0] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_0);
|
| + result[1] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_1);
|
| + result[2] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_2);
|
| + result[3] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_3);
|
| + result[4] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_4);
|
| + result[5] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_5);
|
| + result[6] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_6);
|
| + result[7] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_7);
|
| + result[8] = CreateResourceImage(PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_8);
|
| + *background = CreateResourceImage(
|
| + PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_BACKGROUND);
|
| + return result;
|
| +}
|
| +
|
| +void Instance::CreatePageIndicator(bool always_visible) {
|
| + page_indicator_.CreatePageIndicator(kPageIndicatorId, false, this,
|
| + number_image_generator(), always_visible);
|
| + ConfigurePageIndicator();
|
| +}
|
| +
|
| +void Instance::ConfigurePageIndicator() {
|
| + pp::ImageData background =
|
| + CreateResourceImage(PP_RESOURCEIMAGE_PDF_PAGE_INDICATOR_BACKGROUND);
|
| + page_indicator_.Configure(pp::Point(), background);
|
| +}
|
| +
|
| +void Instance::CreateProgressBar() {
|
| + pp::ImageData background;
|
| + std::vector<pp::ImageData> images = GetProgressBarResources(&background);
|
| + std::string text = GetLocalizedString(PP_RESOURCESTRING_PDFPROGRESSLOADING);
|
| + progress_bar_.CreateProgressControl(kProgressBarId, false, this, 0.0,
|
| + device_scale_, images, background, text);
|
| +}
|
| +
|
| +void Instance::ConfigureProgressBar() {
|
| + pp::ImageData background;
|
| + std::vector<pp::ImageData> images = GetProgressBarResources(&background);
|
| + progress_bar_.Reconfigure(background, images, device_scale_);
|
| +}
|
| +
|
| +void Instance::CreateThumbnails() {
|
| + thumbnails_.CreateThumbnailControl(
|
| + kThumbnailsId, pp::Rect(), false, this, engine_.get(),
|
| + number_image_generator());
|
| +}
|
| +
|
| +void Instance::LoadUrl(const std::string& url) {
|
| + LoadUrlInternal(url, &embed_loader_, &Instance::DidOpen);
|
| +}
|
| +
|
| +void Instance::LoadPreviewUrl(const std::string& url) {
|
| + LoadUrlInternal(url, &embed_preview_loader_, &Instance::DidOpenPreview);
|
| +}
|
| +
|
| +void Instance::LoadUrlInternal(const std::string& url, pp::URLLoader* loader,
|
| + void (Instance::* method)(int32_t)) {
|
| + pp::URLRequestInfo request(this);
|
| + request.SetURL(url);
|
| + request.SetMethod("GET");
|
| +
|
| + *loader = CreateURLLoaderInternal();
|
| + pp::CompletionCallback callback = loader_factory_.NewCallback(method);
|
| + int rv = loader->Open(request, callback);
|
| + if (rv != PP_OK_COMPLETIONPENDING)
|
| + callback.Run(rv);
|
| +}
|
| +
|
| +pp::URLLoader Instance::CreateURLLoaderInternal() {
|
| + pp::URLLoader loader(this);
|
| +
|
| + const PPB_URLLoaderTrusted* trusted_interface =
|
| + reinterpret_cast<const PPB_URLLoaderTrusted*>(
|
| + pp::Module::Get()->GetBrowserInterface(
|
| + PPB_URLLOADERTRUSTED_INTERFACE));
|
| + if (trusted_interface)
|
| + trusted_interface->GrantUniversalAccess(loader.pp_resource());
|
| + return loader;
|
| +}
|
| +
|
| +int Instance::GetInitialPage(const std::string& url) {
|
| +#if defined(OS_NACL)
|
| + return -1;
|
| +#else
|
| + size_t found_idx = url.find('#');
|
| + if (found_idx == std::string::npos)
|
| + return -1;
|
| +
|
| + const std::string& ref = url.substr(found_idx + 1);
|
| + std::vector<std::string> fragments;
|
| + Tokenize(ref, kDelimiters, &fragments);
|
| +
|
| + // Page number to return, zero-based.
|
| + int page = -1;
|
| +
|
| + // Handle the case of http://foo.com/bar#NAMEDDEST. This is not explicitly
|
| + // mentioned except by example in the Adobe "PDF Open Parameters" document.
|
| + if ((fragments.size() == 1) && (fragments[0].find('=') == std::string::npos))
|
| + return engine_->GetNamedDestinationPage(fragments[0]);
|
| +
|
| + for (size_t i = 0; i < fragments.size(); ++i) {
|
| + std::vector<std::string> key_value;
|
| + base::SplitString(fragments[i], '=', &key_value);
|
| + if (key_value.size() != 2)
|
| + continue;
|
| + const std::string& key = key_value[0];
|
| + const std::string& value = key_value[1];
|
| +
|
| + if (base::strcasecmp(kPage, key.c_str()) == 0) {
|
| + // |page_value| is 1-based.
|
| + int page_value = -1;
|
| + if (base::StringToInt(value, &page_value) && page_value > 0)
|
| + page = page_value - 1;
|
| + continue;
|
| + }
|
| + if (base::strcasecmp(kNamedDest, key.c_str()) == 0) {
|
| + // |page_value| is 0-based.
|
| + int page_value = engine_->GetNamedDestinationPage(value);
|
| + if (page_value >= 0)
|
| + page = page_value;
|
| + continue;
|
| + }
|
| + }
|
| + return page;
|
| +#endif
|
| +}
|
| +
|
| +void Instance::UpdateToolbarPosition(bool invalidate) {
|
| + pp::Rect ctrl_rc = toolbar_->GetControlsRect();
|
| + int min_toolbar_width = ctrl_rc.width() + GetToolbarRightOffset() +
|
| + GetScaled(kToolbarFadingOffsetLeft);
|
| + int min_toolbar_height = ctrl_rc.width() + GetToolbarBottomOffset() +
|
| + GetScaled(kToolbarFadingOffsetBottom);
|
| +
|
| + // Update toolbar position
|
| + if (plugin_size_.width() < min_toolbar_width ||
|
| + plugin_size_.height() < min_toolbar_height) {
|
| + // Disable toolbar if it does not fit on the screen.
|
| + toolbar_->Show(false, invalidate);
|
| + } else {
|
| + pp::Point offset(
|
| + plugin_size_.width() - GetToolbarRightOffset() - ctrl_rc.right(),
|
| + plugin_size_.height() - GetToolbarBottomOffset() - ctrl_rc.bottom());
|
| + toolbar_->MoveBy(offset, invalidate);
|
| +
|
| + int toolbar_width = std::max(plugin_size_.width() / 2, min_toolbar_width);
|
| + toolbar_->ExpandLeft(toolbar_width - toolbar_->rect().width());
|
| + toolbar_->Show(painted_first_page_, invalidate);
|
| + }
|
| +}
|
| +
|
| +void Instance::UpdateProgressBarPosition(bool invalidate) {
|
| + // TODO(gene): verify we don't overlap with toolbar.
|
| + int scrollbar_thickness = GetScrollbarThickness();
|
| + pp::Point progress_origin(
|
| + scrollbar_thickness + GetScaled(kProgressOffsetLeft),
|
| + plugin_size_.height() - progress_bar_.rect().height() -
|
| + scrollbar_thickness - GetScaled(kProgressOffsetBottom));
|
| + progress_bar_.MoveTo(progress_origin, invalidate);
|
| +}
|
| +
|
| +void Instance::UpdatePageIndicatorPosition(bool invalidate) {
|
| + int32 doc_height = static_cast<int>(document_size_.height() * zoom_);
|
| + pp::Point origin(
|
| + plugin_size_.width() - page_indicator_.rect().width() -
|
| + GetScaled(GetScrollbarReservedThickness()),
|
| + page_indicator_.GetYPosition(engine_->GetVerticalScrollbarYPosition(),
|
| + doc_height, plugin_size_.height()));
|
| + page_indicator_.MoveTo(origin, invalidate);
|
| +}
|
| +
|
| +void Instance::SetZoom(ZoomMode zoom_mode, double scale) {
|
| + double old_zoom = zoom_;
|
| +
|
| + zoom_mode_ = zoom_mode;
|
| + if (zoom_mode_ == ZOOM_SCALE)
|
| + zoom_ = scale;
|
| + UpdateZoomScale();
|
| +
|
| + engine_->ZoomUpdated(zoom_ * device_scale_);
|
| + OnGeometryChanged(old_zoom, device_scale_);
|
| +
|
| + // If fit-to-height, snap to the beginning of the most visible page.
|
| + if (zoom_mode_ == ZOOM_FIT_TO_PAGE) {
|
| + ScrollToPage(engine_->GetMostVisiblePage());
|
| + }
|
| +
|
| + // Update sticky buttons to the current zoom style.
|
| + Button* ftp_btn = static_cast<Button*>(
|
| + toolbar_->GetControl(kFitToPageButtonId));
|
| + Button* ftw_btn = static_cast<Button*>(
|
| + toolbar_->GetControl(kFitToWidthButtonId));
|
| + switch (zoom_mode_) {
|
| + case ZOOM_FIT_TO_PAGE:
|
| + ftp_btn->SetPressedState(true);
|
| + ftw_btn->SetPressedState(false);
|
| + break;
|
| + case ZOOM_FIT_TO_WIDTH:
|
| + ftw_btn->SetPressedState(true);
|
| + ftp_btn->SetPressedState(false);
|
| + break;
|
| + default:
|
| + ftw_btn->SetPressedState(false);
|
| + ftp_btn->SetPressedState(false);
|
| + }
|
| +}
|
| +
|
| +void Instance::UpdateZoomScale() {
|
| + switch (zoom_mode_) {
|
| + case ZOOM_SCALE:
|
| + break; // Keep current scale.
|
| + case ZOOM_FIT_TO_PAGE: {
|
| + int page_num = engine_->GetFirstVisiblePage();
|
| + if (page_num == -1)
|
| + break;
|
| + pp::Rect rc = engine_->GetPageRect(page_num);
|
| + if (!rc.height())
|
| + break;
|
| + // Calculate fit to width zoom level.
|
| + double ftw_zoom = static_cast<double>(plugin_dip_size_.width() -
|
| + GetScrollbarReservedThickness()) / document_size_.width();
|
| + // Calculate fit to height zoom level. If document will not fit
|
| + // horizontally, adjust zoom level to allow space for horizontal
|
| + // scrollbar.
|
| + double fth_zoom =
|
| + static_cast<double>(plugin_dip_size_.height()) / rc.height();
|
| + if (fth_zoom * document_size_.width() >
|
| + plugin_dip_size_.width() - GetScrollbarReservedThickness())
|
| + fth_zoom = static_cast<double>(plugin_dip_size_.height()
|
| + - GetScrollbarReservedThickness()) / rc.height();
|
| + zoom_ = std::min(ftw_zoom, fth_zoom);
|
| + } break;
|
| + case ZOOM_FIT_TO_WIDTH:
|
| + case ZOOM_AUTO:
|
| + if (!document_size_.width())
|
| + break;
|
| + zoom_ = static_cast<double>(plugin_dip_size_.width() -
|
| + GetScrollbarReservedThickness()) / document_size_.width();
|
| + if (zoom_mode_ == ZOOM_AUTO && zoom_ > 1.0)
|
| + zoom_ = 1.0;
|
| + break;
|
| + }
|
| + zoom_ = ClipToRange(zoom_, kMinZoom, kMaxZoom);
|
| +}
|
| +
|
| +double Instance::CalculateZoom(uint32 control_id) const {
|
| + if (control_id == kZoomInButtonId) {
|
| + for (size_t i = 0; i < chrome_page_zoom::kPresetZoomFactorsSize; ++i) {
|
| + double current_zoom = chrome_page_zoom::kPresetZoomFactors[i];
|
| + if (current_zoom - content::kEpsilon > zoom_)
|
| + return current_zoom;
|
| + }
|
| + } else {
|
| + for (size_t i = chrome_page_zoom::kPresetZoomFactorsSize; i > 0; --i) {
|
| + double current_zoom = chrome_page_zoom::kPresetZoomFactors[i - 1];
|
| + if (current_zoom + content::kEpsilon < zoom_)
|
| + return current_zoom;
|
| + }
|
| + }
|
| + return zoom_;
|
| +}
|
| +
|
| +pp::ImageData Instance::CreateResourceImage(PP_ResourceImage image_id) {
|
| + if (hidpi_enabled_)
|
| + return pp::PDF::GetResourceImageForScale(this, image_id, device_scale_);
|
| +
|
| + return pp::PDF::GetResourceImage(this, image_id);
|
| +}
|
| +
|
| +std::string Instance::GetLocalizedString(PP_ResourceString id) {
|
| + pp::Var rv(pp::PDF::GetLocalizedString(this, id));
|
| + if (!rv.is_string())
|
| + return std::string();
|
| +
|
| + return rv.AsString();
|
| +}
|
| +
|
| +void Instance::DrawText(const pp::Point& top_center, PP_ResourceString id) {
|
| + std::string str(GetLocalizedString(id));
|
| +
|
| + pp::FontDescription_Dev description;
|
| + description.set_family(PP_FONTFAMILY_SANSSERIF);
|
| + description.set_size(kMessageTextSize * device_scale_);
|
| + pp::Font_Dev font(this, description);
|
| + int length = font.MeasureSimpleText(str);
|
| + pp::Point point(top_center);
|
| + point.set_x(point.x() - length / 2);
|
| + DCHECK(!image_data_.is_null());
|
| + font.DrawSimpleText(&image_data_, str, point, kMessageTextColor);
|
| +}
|
| +
|
| +void Instance::SetPrintPreviewMode(int page_count) {
|
| + if (!IsPrintPreview() || page_count <= 0) {
|
| + print_preview_page_count_ = 0;
|
| + return;
|
| + }
|
| +
|
| + print_preview_page_count_ = page_count;
|
| + ScrollToPage(0);
|
| + engine_->AppendBlankPages(print_preview_page_count_);
|
| + if (preview_pages_info_.size() > 0)
|
| + LoadAvailablePreviewPage();
|
| +}
|
| +
|
| +bool Instance::IsPrintPreview() {
|
| + return IsPrintPreviewUrl(url_);
|
| +}
|
| +
|
| +int Instance::GetPageNumberToDisplay() {
|
| + int page = engine_->GetMostVisiblePage();
|
| + if (IsPrintPreview() && !print_preview_page_numbers_.empty()) {
|
| + page = ClipToRange<int>(page, 0, print_preview_page_numbers_.size() - 1);
|
| + return print_preview_page_numbers_[page];
|
| + }
|
| + return page + 1;
|
| +}
|
| +
|
| +void Instance::ProcessPreviewPageInfo(const std::string& url,
|
| + int dst_page_index) {
|
| + if (!IsPrintPreview() || print_preview_page_count_ < 0)
|
| + return;
|
| +
|
| + int src_page_index = ExtractPrintPreviewPageIndex(url);
|
| + if (src_page_index < 1)
|
| + return;
|
| +
|
| + preview_pages_info_.push(std::make_pair(url, dst_page_index));
|
| + LoadAvailablePreviewPage();
|
| +}
|
| +
|
| +void Instance::LoadAvailablePreviewPage() {
|
| + if (preview_pages_info_.size() <= 0)
|
| + return;
|
| +
|
| + std::string url = preview_pages_info_.front().first;
|
| + int dst_page_index = preview_pages_info_.front().second;
|
| + int src_page_index = ExtractPrintPreviewPageIndex(url);
|
| + if (src_page_index < 1 ||
|
| + dst_page_index >= print_preview_page_count_ ||
|
| + preview_document_load_state_ == LOAD_STATE_LOADING) {
|
| + return;
|
| + }
|
| +
|
| + preview_document_load_state_ = LOAD_STATE_LOADING;
|
| + LoadPreviewUrl(url);
|
| +}
|
| +
|
| +void Instance::EnableAutoscroll(const pp::Point& origin) {
|
| + if (is_autoscroll_)
|
| + return;
|
| +
|
| + pp::Size client_size = plugin_size_;
|
| + if (v_scrollbar_.get())
|
| + client_size.Enlarge(-GetScrollbarThickness(), 0);
|
| + if (h_scrollbar_.get())
|
| + client_size.Enlarge(0, -GetScrollbarThickness());
|
| +
|
| + // Do not allow autoscroll if client area is too small.
|
| + if (autoscroll_anchor_.size().width() > client_size.width() ||
|
| + autoscroll_anchor_.size().height() > client_size.height())
|
| + return;
|
| +
|
| + autoscroll_rect_ = pp::Rect(
|
| + pp::Point(origin.x() - autoscroll_anchor_.size().width() / 2,
|
| + origin.y() - autoscroll_anchor_.size().height() / 2),
|
| + autoscroll_anchor_.size());
|
| +
|
| + // Make sure autoscroll anchor is in the client area.
|
| + if (autoscroll_rect_.right() > client_size.width()) {
|
| + autoscroll_rect_.set_x(
|
| + client_size.width() - autoscroll_anchor_.size().width());
|
| + }
|
| + if (autoscroll_rect_.bottom() > client_size.height()) {
|
| + autoscroll_rect_.set_y(
|
| + client_size.height() - autoscroll_anchor_.size().height());
|
| + }
|
| +
|
| + if (autoscroll_rect_.x() < 0)
|
| + autoscroll_rect_.set_x(0);
|
| + if (autoscroll_rect_.y() < 0)
|
| + autoscroll_rect_.set_y(0);
|
| +
|
| + is_autoscroll_ = true;
|
| + Invalidate(kAutoScrollId, autoscroll_rect_);
|
| +
|
| + ScheduleTimer(kAutoScrollId, kAutoScrollTimeoutMs);
|
| +}
|
| +
|
| +void Instance::DisableAutoscroll() {
|
| + if (is_autoscroll_) {
|
| + is_autoscroll_ = false;
|
| + Invalidate(kAutoScrollId, autoscroll_rect_);
|
| + }
|
| +}
|
| +
|
| +PP_CursorType_Dev Instance::CalculateAutoscroll(const pp::Point& mouse_pos) {
|
| + // Scroll only if mouse pointer is outside of the anchor area.
|
| + if (autoscroll_rect_.Contains(mouse_pos)) {
|
| + autoscroll_x_ = 0;
|
| + autoscroll_y_ = 0;
|
| + return PP_CURSORTYPE_MIDDLEPANNING;
|
| + }
|
| +
|
| + // Relative position to the center of anchor area.
|
| + pp::Point rel_pos = mouse_pos - autoscroll_rect_.CenterPoint();
|
| +
|
| + // Calculate angle from the X axis. Angle is in range from -pi to pi.
|
| + double angle = atan2(static_cast<double>(rel_pos.y()),
|
| + static_cast<double>(rel_pos.x()));
|
| +
|
| + autoscroll_x_ = rel_pos.x() * kAutoScrollFactor;
|
| + autoscroll_y_ = rel_pos.y() * kAutoScrollFactor;
|
| +
|
| + // Angle is from -pi to pi. Screen Y is increasing toward bottom,
|
| + // so negative angle represent north direction.
|
| + if (angle < - (M_PI * 7.0 / 8.0)) {
|
| + // going west
|
| + return PP_CURSORTYPE_WESTPANNING;
|
| + } else if (angle < - (M_PI * 5.0 / 8.0)) {
|
| + // going north-west
|
| + return PP_CURSORTYPE_NORTHWESTPANNING;
|
| + } else if (angle < - (M_PI * 3.0 / 8.0)) {
|
| + // going north.
|
| + return PP_CURSORTYPE_NORTHPANNING;
|
| + } else if (angle < - (M_PI * 1.0 / 8.0)) {
|
| + // going north-east
|
| + return PP_CURSORTYPE_NORTHEASTPANNING;
|
| + } else if (angle < M_PI * 1.0 / 8.0) {
|
| + // going east.
|
| + return PP_CURSORTYPE_EASTPANNING;
|
| + } else if (angle < M_PI * 3.0 / 8.0) {
|
| + // going south-east
|
| + return PP_CURSORTYPE_SOUTHEASTPANNING;
|
| + } else if (angle < M_PI * 5.0 / 8.0) {
|
| + // going south.
|
| + return PP_CURSORTYPE_SOUTHPANNING;
|
| + } else if (angle < M_PI * 7.0 / 8.0) {
|
| + // going south-west
|
| + return PP_CURSORTYPE_SOUTHWESTPANNING;
|
| + }
|
| +
|
| + // went around the circle, going west again
|
| + return PP_CURSORTYPE_WESTPANNING;
|
| +}
|
| +
|
| +void Instance::ConfigureNumberImageGenerator() {
|
| + std::vector<pp::ImageData> num_images = GetThumbnailResources();
|
| + pp::ImageData number_background = CreateResourceImage(
|
| + PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_NUM_BACKGROUND);
|
| + number_image_generator_->Configure(number_background,
|
| + num_images,
|
| + device_scale_);
|
| +}
|
| +
|
| +NumberImageGenerator* Instance::number_image_generator() {
|
| + if (!number_image_generator_.get()) {
|
| + number_image_generator_.reset(new NumberImageGenerator(this));
|
| + ConfigureNumberImageGenerator();
|
| + }
|
| + return number_image_generator_.get();
|
| +}
|
| +
|
| +int Instance::GetScaled(int x) const {
|
| + return static_cast<int>(x * device_scale_);
|
| +}
|
| +
|
| +void Instance::UserMetricsRecordAction(const std::string& action) {
|
| + pp::PDF::UserMetricsRecordAction(this, pp::Var(action));
|
| +}
|
| +
|
| +PDFScriptableObject::PDFScriptableObject(Instance* instance)
|
| + : instance_(instance) {
|
| +}
|
| +
|
| +PDFScriptableObject::~PDFScriptableObject() {
|
| +}
|
| +
|
| +bool PDFScriptableObject::HasMethod(const pp::Var& name, pp::Var* exception) {
|
| + return instance_->HasScriptableMethod(name, exception);
|
| +}
|
| +
|
| +pp::Var PDFScriptableObject::Call(const pp::Var& method,
|
| + const std::vector<pp::Var>& args,
|
| + pp::Var* exception) {
|
| + return instance_->CallScriptableMethod(method, args, exception);
|
| +}
|
| +
|
| +} // namespace chrome_pdf
|
|
|
| Property changes on: pdf\instance.cc
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 294793003:
Add the pdf plugin's source in src\pdf. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/