cc/test/fake_scrollbar_layer.cc

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/test/fake_scrollbar_layer.h"
   6
   7 #include "cc/resource_update_queue.h"
   8 #include "cc/test/fake_scrollbar_theme_painter.h"
   9 #include "cc/test/fake_web_scrollbar.h"
  10 #include "cc/test/fake_web_scrollbar_theme_geometry.h"
  11
  12 namespace cc {
  13
  14 FakeScrollbarLayer::FakeScrollbarLayer(
  15     bool paint_during_update, bool has_thumb, int scrolling_layer_id)
  16     : ScrollbarLayer(
  17         FakeWebScrollbar::create().PassAs<WebKit::WebScrollbar>(),
  18         FakeScrollbarThemePainter::Create(paint_during_update)
  19         .PassAs<ScrollbarThemePainter>(),
  20         FakeWebScrollbarThemeGeometry::create(has_thumb)
  21         .PassAs<WebKit::WebScrollbarThemeGeometry>(),
  22         scrolling_layer_id),
  23       update_count_(0),
  24       last_update_full_upload_size_(0),
  25       last_update_partial_upload_size_(0) {
  26   setAnchorPoint(gfx::PointF(0, 0));
  27   setBounds(gfx::Size(1, 1));
  28   setIsDrawable(true);
  29 }
  30
  31 FakeScrollbarLayer::~FakeScrollbarLayer() {}
  32
  33 void FakeScrollbarLayer::update(
  34     ResourceUpdateQueue& queue,
  35     const OcclusionTracker* occlusion,
  36     RenderingStats& stats) {
  37   size_t full = queue.fullUploadSize();
  38   size_t partial = queue.partialUploadSize();
  39   ScrollbarLayer::update(queue, occlusion, stats);
  40   update_count_++;
  41   last_update_full_upload_size_ = queue.fullUploadSize() - full;
  42   last_update_partial_upload_size_ = queue.partialUploadSize() - partial;
  43 }
  44
  45 }  // namespace cc