src/content/test/web_layer_tree_view_impl_for_testing.cc

   1 // Copyright 2013 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 "content/test/web_layer_tree_view_impl_for_testing.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "base/synchronization/lock.h"
  10 #include "cc/base/switches.h"
  11 #include "cc/input/input_handler.h"
  12 #include "cc/layers/layer.h"
  13 #include "cc/output/output_surface.h"
  14 #include "cc/test/test_context_provider.h"
  15 #include "cc/trees/layer_tree_host.h"
  16 #include "content/test/test_webkit_platform_support.h"
  17 #include "third_party/WebKit/public/platform/Platform.h"
  18 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
  19 #include "third_party/WebKit/public/platform/WebLayer.h"
  20 #include "third_party/WebKit/public/platform/WebLayerTreeView.h"
  21 #include "third_party/WebKit/public/platform/WebRenderingStats.h"
  22 #include "third_party/WebKit/public/platform/WebSize.h"
  23 #include "ui/gfx/frame_time.h"
  24 #include "webkit/common/gpu/test_context_provider_factory.h"
  25 #include "webkit/renderer/compositor_bindings/web_layer_impl.h"
  26
  27 using blink::WebColor;
  28 using blink::WebGraphicsContext3D;
  29 using blink::WebRect;
  30 using blink::WebRenderingStats;
  31 using blink::WebSize;
  32
  33 namespace webkit {
  34
  35 WebLayerTreeViewImplForTesting::WebLayerTreeViewImplForTesting() {}
  36
  37 WebLayerTreeViewImplForTesting::~WebLayerTreeViewImplForTesting() {}
  38
  39 void WebLayerTreeViewImplForTesting::Initialize() {
  40   cc::LayerTreeSettings settings;
  41
  42   // For web contents, layer transforms should scale up the contents of layers
  43   // to keep content always crisp when possible.
  44   settings.layer_transforms_should_scale_layer_contents = true;
  45
  46   // Accelerated animations are enabled for unit tests.
  47   settings.accelerated_animation_enabled = true;
  48   layer_tree_host_ =
  49       cc::LayerTreeHost::CreateSingleThreaded(this, this, NULL, settings);
  50   DCHECK(layer_tree_host_);
  51 }
  52
  53 void WebLayerTreeViewImplForTesting::setSurfaceReady() {
  54   layer_tree_host_->SetLayerTreeHostClientReady();
  55 }
  56
  57 void WebLayerTreeViewImplForTesting::setRootLayer(
  58     const blink::WebLayer& root) {
  59   layer_tree_host_->SetRootLayer(
  60       static_cast<const WebLayerImpl*>(&root)->layer());
  61 }
  62
  63 void WebLayerTreeViewImplForTesting::clearRootLayer() {
  64   layer_tree_host_->SetRootLayer(scoped_refptr<cc::Layer>());
  65 }
  66
  67 void WebLayerTreeViewImplForTesting::setViewportSize(
  68     const WebSize& unused_deprecated,
  69     const WebSize& device_viewport_size) {
  70   layer_tree_host_->SetViewportSize(device_viewport_size);
  71 }
  72
  73 WebSize WebLayerTreeViewImplForTesting::layoutViewportSize() const {
  74   return layer_tree_host_->device_viewport_size();
  75 }
  76
  77 WebSize WebLayerTreeViewImplForTesting::deviceViewportSize() const {
  78   return layer_tree_host_->device_viewport_size();
  79 }
  80
  81 void WebLayerTreeViewImplForTesting::setDeviceScaleFactor(
  82     float device_scale_factor) {
  83   layer_tree_host_->SetDeviceScaleFactor(device_scale_factor);
  84 }
  85
  86 float WebLayerTreeViewImplForTesting::deviceScaleFactor() const {
  87   return layer_tree_host_->device_scale_factor();
  88 }
  89
  90 void WebLayerTreeViewImplForTesting::setBackgroundColor(WebColor color) {
  91   layer_tree_host_->set_background_color(color);
  92 }
  93
  94 void WebLayerTreeViewImplForTesting::setHasTransparentBackground(
  95     bool transparent) {
  96   layer_tree_host_->set_has_transparent_background(transparent);
  97 }
  98
  99 void WebLayerTreeViewImplForTesting::setVisible(bool visible) {
 100   layer_tree_host_->SetVisible(visible);
 101 }
 102
 103 void WebLayerTreeViewImplForTesting::setPageScaleFactorAndLimits(
 104     float page_scale_factor,
 105     float minimum,
 106     float maximum) {
 107   layer_tree_host_->SetPageScaleFactorAndLimits(
 108       page_scale_factor, minimum, maximum);
 109 }
 110
 111 void WebLayerTreeViewImplForTesting::startPageScaleAnimation(
 112     const blink::WebPoint& scroll,
 113     bool use_anchor,
 114     float new_page_scale,
 115     double duration_sec) {}
 116
 117 void WebLayerTreeViewImplForTesting::setNeedsAnimate() {
 118   layer_tree_host_->SetNeedsAnimate();
 119 }
 120
 121 bool WebLayerTreeViewImplForTesting::commitRequested() const {
 122   return layer_tree_host_->CommitRequested();
 123 }
 124
 125 void WebLayerTreeViewImplForTesting::composite() {
 126   layer_tree_host_->Composite(gfx::FrameTime::Now());
 127 }
 128
 129 void WebLayerTreeViewImplForTesting::didStopFlinging() {}
 130
 131 bool WebLayerTreeViewImplForTesting::compositeAndReadback(
 132     void* pixels, const WebRect& rect_in_device_viewport) {
 133   return layer_tree_host_->CompositeAndReadback(pixels,
 134                                                 rect_in_device_viewport);
 135 }
 136
 137 void WebLayerTreeViewImplForTesting::finishAllRendering() {
 138   layer_tree_host_->FinishAllRendering();
 139 }
 140
 141 void WebLayerTreeViewImplForTesting::setDeferCommits(bool defer_commits) {
 142   layer_tree_host_->SetDeferCommits(defer_commits);
 143 }
 144
 145 void WebLayerTreeViewImplForTesting::renderingStats(WebRenderingStats&) const {}
 146
 147 void WebLayerTreeViewImplForTesting::Layout() {
 148 }
 149
 150 void WebLayerTreeViewImplForTesting::ApplyScrollAndScale(
 151     gfx::Vector2d scroll_delta,
 152     float page_scale) {}
 153
 154 scoped_ptr<cc::OutputSurface>
 155 WebLayerTreeViewImplForTesting::CreateOutputSurface(bool fallback) {
 156   return make_scoped_ptr(
 157       new cc::OutputSurface(cc::TestContextProvider::Create()));
 158 }
 159
 160 scoped_refptr<cc::ContextProvider>
 161 WebLayerTreeViewImplForTesting::OffscreenContextProvider() {
 162   // Unit tests only run in single threaded mode.
 163   return webkit::gpu::TestContextProviderFactory::GetInstance()->
 164       OffscreenContextProviderForMainThread();
 165 }
 166
 167 }  // namespace webkit