Index: pdf/instance.cc |
diff --git a/pdf/instance.cc b/pdf/instance.cc |
deleted file mode 100644 |
index f32129163c8a78695f878a3c2826c0714b96ec1b..0000000000000000000000000000000000000000 |
--- a/pdf/instance.cc |
+++ /dev/null |
@@ -1,2833 +0,0 @@ |
-// 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/common/content_restriction.h" |
-#include "components/ui/zoom/page_zoom_constants.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; |
-}; |
- |
-const uint32 kBackgroundColor = 0xFFCCCCCC; |
- |
-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 kJSGetSelectedText[] = "getSelectedText"; |
-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; |
- } |
- } |
-} |
- |
-PP_Bool GetPrintPresetOptionsFromDocument( |
- PP_Instance instance, |
- PP_PdfPrintPresetOptions_Dev* options) { |
- void* object = pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface); |
- if (object) { |
- Instance* obj_instance = static_cast<Instance*>(object); |
- obj_instance->GetPrintPresetOptionsFromDocument(options); |
- } |
- return PP_TRUE; |
-} |
- |
-const PPP_Pdf ppp_private = { |
- &GetLinkAtPosition, |
- &Transform, |
- &GetPrintPresetOptionsFromDocument |
-}; |
- |
-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); |
- 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() { |
- if (timer_pending_) { |
- timer_factory_.CancelAll(); |
- timer_pending_ = false; |
- } |
- // The engine may try to access this instance during its destruction. |
- // Make sure this happens early while the instance is still intact. |
- engine_.reset(); |
- 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); |
- } else { |
- DCHECK(!did_call_start_loading_); |
- pp::PDF::DidStartLoading(this); |
- did_call_start_loading_ = true; |
- } |
- |
- 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 (!IsMouseOnScrollbar(event_device_res) && |
- 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() && IsMouseOnScrollbar(event)) { |
- 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. Spacebar / shift+spacebar should do the same. |
- if (v_scrollbar_.get() && event.GetType() == PP_INPUTEVENT_TYPE_KEYDOWN) { |
- pp::KeyboardInputEvent keyboard_event(event); |
- bool no_h_scrollbar = !h_scrollbar_.get(); |
- uint32_t key_code = keyboard_event.GetKeyCode(); |
- bool has_modifiers = keyboard_event.GetModifiers() != 0; |
- bool page_down = |
- no_h_scrollbar && !has_modifiers && key_code == ui::VKEY_RIGHT; |
- bool page_up = |
- no_h_scrollbar && !has_modifiers && key_code == ui::VKEY_LEFT; |
- if (zoom_mode_ == ZOOM_FIT_TO_PAGE) { |
- bool has_shift = |
- keyboard_event.GetModifiers() & PP_INPUTEVENT_MODIFIER_SHIFTKEY; |
- bool key_is_space = key_code == ui::VKEY_SPACE; |
- page_down |= key_is_space || key_code == ui::VKEY_NEXT; |
- page_up |= (key_is_space && has_shift) || (key_code == ui::VKEY_PRIOR); |
- } |
- if (page_down) { |
- int page = engine_->GetFirstVisiblePage(); |
- if (page == -1) |
- return true; |
- // 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 (page == -1) |
- return true; |
- 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) { |
- pp::KeyboardInputEvent keyboard_event(event); |
- const uint32 modifier = event.GetModifiers(); |
- if (modifier & kDefaultKeyModifier) { |
- switch (keyboard_event.GetKeyCode()) { |
- case 'A': |
- engine_->SelectAll(); |
- return true; |
- } |
- } |
- if (modifier & PP_INPUTEVENT_MODIFIER_CONTROLKEY) { |
- switch (keyboard_event.GetKeyCode()) { |
- case ui::VKEY_OEM_4: |
- // Left bracket. |
- engine_->RotateCounterclockwise(); |
- return true; |
- case ui::VKEY_OEM_6: |
- // Right bracket. |
- engine_->RotateClockwise(); |
- 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_; |
-} |
- |
-void Instance::GetPrintPresetOptionsFromDocument( |
- PP_PdfPrintPresetOptions_Dev* options) { |
- options->is_scaling_disabled = PP_FromBool(IsPrintScalingDisabled()); |
- options->duplex = |
- static_cast<PP_PrivateDuplexMode_Dev>(engine_->GetDuplexType()); |
- options->copies = engine_->GetCopiesToPrint(); |
- pp::Size uniform_page_size; |
- options->is_page_size_uniform = |
- PP_FromBool(engine_->GetPageSizeAndUniformity(&uniform_page_size)); |
- options->uniform_page_size = PP_Size(uniform_page_size); |
-} |
- |
-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) |
- 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"); |
- |
- // If the zoom level doesn't change it means that this zoom change might have |
- // been initiated by the plugin. In that case, we don't want to change the |
- // zoom mode to ZOOM_SCALE as it may have been intentionally set to |
- // ZOOM_FIT_TO_PAGE or some other value when the zoom was last changed. |
- if (scale == zoom_) |
- return; |
- |
- 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_); |
- FillRect(rect, kBackgroundColor); |
- 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_); |
- |
- 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 = { |
- pp::Rect(0, 0, left_width, bottom), |
- kBackgroundColor |
- }; |
- 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, uint32 color) { |
- DCHECK(!image_data_.is_null() || rect.IsEmpty()); |
- uint32* buffer_start = static_cast<uint32*>(image_data_.data()); |
- int stride = image_data_.stride(); |
- uint32* 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()); |
- |
- // Run the scroll callback asynchronously. This function can be invoked by a |
- // layout change which should not re-enter into JS synchronously. |
- pp::CompletionCallback callback = |
- callback_factory_.NewCallback(&Instance::RunCallback, |
- on_scroll_callback_); |
- pp::Module::Get()->core()->CallOnMainThread(0, 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 |url_copy| starts with '#', then it's for the same URL with a |
- // different URL fragment. |
- if (url_copy[0] == '#') { |
- // if '#' is already present in |url_| then remove old fragment and add |
- // new |url_copy| fragment. |
- std::size_t index = url_.find('#'); |
- if (index != std::string::npos) |
- url_copy = url_.substr(0, index) + url_copy; |
- else |
- url_copy = url_ + url_copy; |
- // Changing the href does not actually do anything when navigating in the |
- // same tab, so do the actual page scroll here. Then fall through so the |
- // href gets updated. |
- if (!open_in_new_tab) { |
- int page_number = GetInitialPage(url_copy); |
- if (page_number >= 0) |
- ScrollToPage(page_number); |
- } |
- } |
- // If there's no scheme, add http. |
- if (url_copy.find("://") == std::string::npos && |
- url_copy.find("mailto:") == std::string::npos) { |
- url_copy = "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("file://") != 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 == "file://" || |
- 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) { |
- DCHECK_GE(current_find_index, 0); |
- 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 = |
- 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 (did_call_start_loading_) { |
- pp::PDF::DidStopLoading(this); |
- did_call_start_loading_ = false; |
- } |
- |
- 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; |
- |
- 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(); |
-} |
- |
-bool Instance::IsMouseOnScrollbar(const pp::InputEvent& event) { |
- pp::MouseInputEvent mouse_event(event); |
- if (mouse_event.is_null()) |
- return false; |
- |
- pp::Point pt = mouse_event.GetPosition(); |
- pp::Rect temp; |
- if ((v_scrollbar_.get() && v_scrollbar_->GetLocation(&temp) && |
- temp.Contains(pt)) || |
- (h_scrollbar_.get() && h_scrollbar_->GetLocation(&temp) && |
- temp.Contains(pt))) { |
- return true; |
- } |
- return false; |
-} |
- |
-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 == kJSGetSelectedText || |
- 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_number()) |
- 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 == kJSGetSelectedText) { |
- std::string selected_text = engine_->GetSelectedText(); |
- // Always return unix newlines to JS. |
- base::ReplaceChars(selected_text, "\r", std::string(), &selected_text); |
- return selected_text; |
- } |
- 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_)); |
- |
- // Run the plugin size change callback asynchronously. This function can be |
- // invoked by a layout change which should not re-enter into JS synchronously. |
- pp::CompletionCallback callback = |
- callback_factory_.NewCallback(&Instance::RunCallback, |
- on_plugin_size_changed_callback_); |
- pp::Module::Get()->core()->CallOnMainThread(0, callback); |
-} |
- |
-void Instance::RunCallback(int32_t, pp::Var callback) { |
- if (callback.is_string()) |
- ExecuteScript(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) { |
- 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; |
-} |
- |
-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 < ui_zoom::kPresetZoomFactorsSize; ++i) { |
- double current_zoom = ui_zoom::kPresetZoomFactors[i]; |
- if (current_zoom - content::kEpsilon > zoom_) |
- return current_zoom; |
- } |
- } else { |
- for (size_t i = ui_zoom::kPresetZoomFactorsSize; i > 0; --i) { |
- double current_zoom = ui_zoom::kPresetZoomFactors[i - 1]; |
- if (current_zoom + content::kEpsilon < zoom_) |
- return current_zoom; |
- } |
- } |
- return zoom_; |
-} |
- |
-pp::ImageData Instance::CreateResourceImage(PP_ResourceImage image_id) { |
- pp::ImageData resource_data; |
- if (hidpi_enabled_) { |
- resource_data = |
- pp::PDF::GetResourceImageForScale(this, image_id, device_scale_); |
- } |
- |
- return resource_data.data() ? resource_data |
- : 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_); |
-} |
- |
-uint32 Instance::GetBackgroundColor() { |
- return kBackgroundColor; |
-} |
- |
-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 |