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Unified Diff: pdf/progress_control.cc

Issue 1125103002: Remove the in-process PDF viewer from pdf/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@remove-in-process-instance
Patch Set: Created 5 years, 7 months ago
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Index: pdf/progress_control.cc
diff --git a/pdf/progress_control.cc b/pdf/progress_control.cc
deleted file mode 100644
index 2c2bca4e42f37ff4a28c0d138c3aed8a0d714274..0000000000000000000000000000000000000000
--- a/pdf/progress_control.cc
+++ /dev/null
@@ -1,283 +0,0 @@
-// Copyright (c) 2011 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/progress_control.h"
-
-#include <algorithm>
-
-#include "base/logging.h"
-#include "pdf/draw_utils.h"
-#include "pdf/resource_consts.h"
-#include "ppapi/cpp/dev/font_dev.h"
-
-namespace chrome_pdf {
-
-const double ProgressControl::kCompleted = 100.0;
-
-// There is a bug outputting text with alpha 0xFF (opaque) to an intermediate
-// image. It outputs alpha channgel of the text pixels to 0xFF (transparent).
-// And it breaks next alpha blending.
-// For now, let's use alpha 0xFE to work around this bug.
-// TODO(gene): investigate this bug.
-const uint32 kProgressTextColor = 0xFEDDE6FC;
-const uint32 kProgressTextSize = 16;
-const uint32 kImageTextSpacing = 8;
-const uint32 kTopPadding = 8;
-const uint32 kBottomPadding = 12;
-const uint32 kLeftPadding = 10;
-const uint32 kRightPadding = 10;
-
-int ScaleInt(int val, float scale) {
- return static_cast<int>(val * scale);
-}
-
-ProgressControl::ProgressControl()
- : progress_(0.0),
- device_scale_(1.0) {
-}
-
-ProgressControl::~ProgressControl() {
-}
-
-bool ProgressControl::CreateProgressControl(
- uint32 id,
- bool visible,
- Control::Owner* delegate,
- double progress,
- float device_scale,
- const std::vector<pp::ImageData>& images,
- const pp::ImageData& background,
- const std::string& text) {
- progress_ = progress;
- text_ = text;
- bool res = Control::Create(id, pp::Rect(), visible, delegate);
- if (res)
- Reconfigure(background, images, device_scale);
- return res;
-}
-
-void ProgressControl::Reconfigure(const pp::ImageData& background,
- const std::vector<pp::ImageData>& images,
- float device_scale) {
- DCHECK(images.size() != 0);
- images_ = images;
- background_ = background;
- device_scale_ = device_scale;
- pp::Size ctrl_size;
- CalculateLayout(owner()->GetInstance(), images_, background_, text_,
- device_scale_, &ctrl_size, &image_rc_, &text_rc_);
- pp::Rect rc(pp::Point(), ctrl_size);
- Control::SetRect(rc, false);
- PrepareBackground();
-}
-
-// static
-void ProgressControl::CalculateLayout(pp::Instance* instance,
- const std::vector<pp::ImageData>& images,
- const pp::ImageData& background,
- const std::string& text,
- float device_scale,
- pp::Size* ctrl_size,
- pp::Rect* image_rc,
- pp::Rect* text_rc) {
- DCHECK(images.size() != 0);
- int image_width = 0;
- int image_height = 0;
- for (size_t i = 0; i < images.size(); i++) {
- image_width = std::max(image_width, images[i].size().width());
- image_height = std::max(image_height, images[i].size().height());
- }
-
- pp::FontDescription_Dev description;
- description.set_family(PP_FONTFAMILY_SANSSERIF);
- description.set_size(ScaleInt(kProgressTextSize, device_scale));
- description.set_weight(PP_FONTWEIGHT_BOLD);
- pp::Font_Dev font(instance, description);
- int text_length = font.MeasureSimpleText(text);
-
- pp::FontDescription_Dev desc;
- PP_FontMetrics_Dev metrics;
- font.Describe(&desc, &metrics);
- int text_height = metrics.height;
-
- *ctrl_size = pp::Size(
- image_width + text_length +
- ScaleInt(kImageTextSpacing + kLeftPadding + kRightPadding, device_scale),
- std::max(image_height, text_height) +
- ScaleInt(kTopPadding + kBottomPadding, device_scale));
-
- int offset_x = 0;
- int offset_y = 0;
- if (ctrl_size->width() < background.size().width()) {
- offset_x += (background.size().width() - ctrl_size->width()) / 2;
- ctrl_size->set_width(background.size().width());
- }
- if (ctrl_size->height() < background.size().height()) {
- offset_y += (background.size().height() - ctrl_size->height()) / 2;
- ctrl_size->set_height(background.size().height());
- }
-
- *image_rc = pp::Rect(ScaleInt(kLeftPadding, device_scale) + offset_x,
- ScaleInt(kTopPadding, device_scale) + offset_y,
- image_width,
- image_height);
-
- *text_rc = pp::Rect(
- ctrl_size->width() - text_length -
- ScaleInt(kRightPadding, device_scale) - offset_x,
- (ctrl_size->height() - text_height) / 2,
- text_length,
- text_height);
-}
-
-size_t ProgressControl::GetImageIngex() const {
- return static_cast<size_t>((progress_ / 100.0) * images_.size());
-}
-
-void ProgressControl::Paint(pp::ImageData* image_data, const pp::Rect& rc) {
- if (!visible())
- return;
-
- pp::Rect draw_rc = rect().Intersect(rc);
- if (draw_rc.IsEmpty())
- return;
-
- pp::ImageData buffer(owner()->GetInstance(), ctrl_background_.format(),
- ctrl_background_.size(), false);
- CopyImage(ctrl_background_, pp::Rect(ctrl_background_.size()),
- &buffer, pp::Rect(ctrl_background_.size()), false);
-
- size_t index = GetImageIngex();
- if (index >= images_.size())
- index = images_.size() - 1;
-
- AlphaBlend(images_[index],
- pp::Rect(images_[index].size()),
- &buffer,
- image_rc_.point(),
- kOpaqueAlpha);
-
- pp::Rect image_draw_rc(draw_rc);
- image_draw_rc.Offset(-rect().x(), -rect().y());
- AlphaBlend(buffer,
- image_draw_rc,
- image_data,
- draw_rc.point(),
- transparency());
-}
-
-void ProgressControl::SetProgress(double progress) {
- size_t old_index = GetImageIngex();
- progress_ = progress;
- size_t new_index = GetImageIngex();
- if (progress_ >= kCompleted) {
- progress_ = kCompleted;
- owner()->OnEvent(id(), EVENT_ID_PROGRESS_COMPLETED, NULL);
- }
- if (visible() && old_index != new_index)
- owner()->Invalidate(id(), rect());
-}
-
-void ProgressControl::PrepareBackground() {
- AdjustBackground();
-
- pp::FontDescription_Dev description;
- description.set_family(PP_FONTFAMILY_SANSSERIF);
- description.set_size(ScaleInt(kProgressTextSize, device_scale_));
- description.set_weight(PP_FONTWEIGHT_BOLD);
- pp::Font_Dev font(owner()->GetInstance(), description);
-
- pp::FontDescription_Dev desc;
- PP_FontMetrics_Dev metrics;
- font.Describe(&desc, &metrics);
-
- pp::Point text_origin = pp::Point(text_rc_.x(),
- (text_rc_.y() + text_rc_.bottom() + metrics.x_height) / 2);
- font.DrawTextAt(&ctrl_background_, pp::TextRun_Dev(text_), text_origin,
- kProgressTextColor, pp::Rect(ctrl_background_.size()), false);
-}
-
-void ProgressControl::AdjustBackground() {
- ctrl_background_ = pp::ImageData(owner()->GetInstance(),
- PP_IMAGEDATAFORMAT_BGRA_PREMUL,
- rect().size(),
- false);
-
- if (rect().size() == background_.size()) {
- CopyImage(background_, pp::Rect(background_.size()),
- &ctrl_background_, pp::Rect(ctrl_background_.size()), false);
- return;
- }
-
- // We need to stretch background to new dimentions. To do so, we split
- // background into 9 different parts. We copy corner rects (1,3,7,9) as is,
- // stretch rectangles between corners (2,4,6,8) in 1 dimention, and
- // stretch center rect (5) in 2 dimentions.
- // |---|---|---|
- // | 1 | 2 | 3 |
- // |---|---|---|
- // | 4 | 5 | 6 |
- // |---|---|---|
- // | 7 | 8 | 9 |
- // |---|---|---|
- int slice_x = background_.size().width() / 3;
- int slice_y = background_.size().height() / 3;
-
- // Copy rect 1
- pp::Rect src_rc(0, 0, slice_x, slice_y);
- pp::Rect dest_rc(0, 0, slice_x, slice_y);
- CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false);
-
- // Copy rect 3
- src_rc.set_x(background_.size().width() - slice_x);
- dest_rc.set_x(ctrl_background_.size().width() - slice_x);
- CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false);
-
- // Copy rect 9
- src_rc.set_y(background_.size().height() - slice_y);
- dest_rc.set_y(ctrl_background_.size().height() - slice_y);
- CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false);
-
- // Copy rect 7
- src_rc.set_x(0);
- dest_rc.set_x(0);
- CopyImage(background_, src_rc, &ctrl_background_, dest_rc, false);
-
- // Stretch rect 2
- src_rc = pp::Rect(
- slice_x, 0, background_.size().width() - 2 * slice_x, slice_y);
- dest_rc = pp::Rect(
- slice_x, 0, ctrl_background_.size().width() - 2 * slice_x, slice_y);
- CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
-
- // Copy rect 8
- src_rc.set_y(background_.size().height() - slice_y);
- dest_rc.set_y(ctrl_background_.size().height() - slice_y);
- CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
-
- // Stretch rect 4
- src_rc = pp::Rect(
- 0, slice_y, slice_x, background_.size().height() - 2 * slice_y);
- dest_rc = pp::Rect(
- 0, slice_y, slice_x, ctrl_background_.size().height() - 2 * slice_y);
- CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
-
- // Copy rect 6
- src_rc.set_x(background_.size().width() - slice_x);
- dest_rc.set_x(ctrl_background_.size().width() - slice_x);
- CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
-
- // Stretch rect 5
- src_rc = pp::Rect(slice_x,
- slice_y,
- background_.size().width() - 2 * slice_x,
- background_.size().height() - 2 * slice_y);
- dest_rc = pp::Rect(slice_x,
- slice_y,
- ctrl_background_.size().width() - 2 * slice_x,
- ctrl_background_.size().height() - 2 * slice_y);
- CopyImage(background_, src_rc, &ctrl_background_, dest_rc, true);
-}
-
-} // namespace chrome_pdf
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