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 "base/thread_task_runner_handle.h"
  11 #include "cc/base/switches.h"
  12 #include "cc/blink/web_layer_impl.h"
  13 #include "cc/input/input_handler.h"
  14 #include "cc/layers/layer.h"
  15 #include "cc/scheduler/begin_frame_source.h"
  16 #include "cc/test/pixel_test_output_surface.h"
  17 #include "cc/test/test_context_provider.h"
  18 #include "cc/trees/layer_tree_host.h"
  19 #include "content/test/test_blink_web_unit_test_support.h"
  20 #include "third_party/WebKit/public/platform/Platform.h"
  21 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
  22 #include "third_party/WebKit/public/platform/WebLayer.h"
  23 #include "third_party/WebKit/public/platform/WebLayerTreeView.h"
  24 #include "third_party/WebKit/public/platform/WebSize.h"
  25
  26 using blink::WebColor;
  27 using blink::WebGraphicsContext3D;
  28 using blink::WebRect;
  29 using blink::WebSize;
  30
  31 namespace content {
  32
  33 WebLayerTreeViewImplForTesting::WebLayerTreeViewImplForTesting() {}
  34
  35 WebLayerTreeViewImplForTesting::~WebLayerTreeViewImplForTesting() {}
  36
  37 void WebLayerTreeViewImplForTesting::Initialize() {
  38   cc::LayerTreeSettings settings;
  39
  40   // For web contents, layer transforms should scale up the contents of layers
  41   // to keep content always crisp when possible.
  42   settings.layer_transforms_should_scale_layer_contents = true;
  43
  44   // Accelerated animations are enabled for unit tests.
  45   settings.accelerated_animation_enabled = true;
  46   cc::LayerTreeHost::InitParams params;
  47   params.client = this;
  48   params.settings = &settings;
  49   params.main_task_runner = base::ThreadTaskRunnerHandle::Get();
  50   layer_tree_host_ = cc::LayerTreeHost::CreateSingleThreaded(this, &params);
  51   DCHECK(layer_tree_host_);
  52 }
  53
  54 void WebLayerTreeViewImplForTesting::setRootLayer(
  55     const blink::WebLayer& root) {
  56   layer_tree_host_->SetRootLayer(
  57       static_cast<const cc_blink::WebLayerImpl*>(&root)->layer());
  58 }
  59
  60 void WebLayerTreeViewImplForTesting::clearRootLayer() {
  61   layer_tree_host_->SetRootLayer(scoped_refptr<cc::Layer>());
  62 }
  63
  64 void WebLayerTreeViewImplForTesting::setViewportSize(
  65     const WebSize& unused_deprecated,
  66     const WebSize& device_viewport_size) {
  67   layer_tree_host_->SetViewportSize(device_viewport_size);
  68 }
  69
  70 void WebLayerTreeViewImplForTesting::setViewportSize(
  71     const WebSize& device_viewport_size) {
  72   layer_tree_host_->SetViewportSize(device_viewport_size);
  73 }
  74
  75 WebSize WebLayerTreeViewImplForTesting::layoutViewportSize() const {
  76   return layer_tree_host_->device_viewport_size();
  77 }
  78
  79 WebSize WebLayerTreeViewImplForTesting::deviceViewportSize() const {
  80   return layer_tree_host_->device_viewport_size();
  81 }
  82
  83 void WebLayerTreeViewImplForTesting::setDeviceScaleFactor(
  84     float device_scale_factor) {
  85   layer_tree_host_->SetDeviceScaleFactor(device_scale_factor);
  86 }
  87
  88 float WebLayerTreeViewImplForTesting::deviceScaleFactor() const {
  89   return layer_tree_host_->device_scale_factor();
  90 }
  91
  92 void WebLayerTreeViewImplForTesting::setBackgroundColor(WebColor color) {
  93   layer_tree_host_->set_background_color(color);
  94 }
  95
  96 void WebLayerTreeViewImplForTesting::setHasTransparentBackground(
  97     bool transparent) {
  98   layer_tree_host_->set_has_transparent_background(transparent);
  99 }
 100
 101 void WebLayerTreeViewImplForTesting::setVisible(bool visible) {
 102   layer_tree_host_->SetVisible(visible);
 103 }
 104
 105 void WebLayerTreeViewImplForTesting::setPageScaleFactorAndLimits(
 106     float page_scale_factor,
 107     float minimum,
 108     float maximum) {
 109   layer_tree_host_->SetPageScaleFactorAndLimits(
 110       page_scale_factor, minimum, maximum);
 111 }
 112
 113 void WebLayerTreeViewImplForTesting::startPageScaleAnimation(
 114     const blink::WebPoint& scroll,
 115     bool use_anchor,
 116     float new_page_scale,
 117     double duration_sec) {}
 118
 119 void WebLayerTreeViewImplForTesting::setNeedsAnimate() {
 120   layer_tree_host_->SetNeedsAnimate();
 121 }
 122
 123 bool WebLayerTreeViewImplForTesting::commitRequested() const {
 124   return layer_tree_host_->CommitRequested();
 125 }
 126
 127 void WebLayerTreeViewImplForTesting::didStopFlinging() {}
 128
 129 void WebLayerTreeViewImplForTesting::finishAllRendering() {
 130   layer_tree_host_->FinishAllRendering();
 131 }
 132
 133 void WebLayerTreeViewImplForTesting::setDeferCommits(bool defer_commits) {
 134   layer_tree_host_->SetDeferCommits(defer_commits);
 135 }
 136
 137 void WebLayerTreeViewImplForTesting::Layout() {
 138 }
 139
 140 void WebLayerTreeViewImplForTesting::ApplyViewportDeltas(
 141     const gfx::Vector2dF& inner_delta,
 142     const gfx::Vector2dF& outer_delta,
 143     const gfx::Vector2dF& elastic_overscroll_delta,
 144     float page_scale,
 145     float top_controls_delta) {
 146 }
 147
 148 void WebLayerTreeViewImplForTesting::RequestNewOutputSurface() {
 149   bool flipped_output_surface = false;
 150   layer_tree_host_->SetOutputSurface(
 151       make_scoped_ptr(new cc::PixelTestOutputSurface(
 152           cc::TestContextProvider::Create(), flipped_output_surface)));
 153 }
 154
 155 void WebLayerTreeViewImplForTesting::DidFailToInitializeOutputSurface() {
 156   RequestNewOutputSurface();
 157 }
 158
 159 void WebLayerTreeViewImplForTesting::registerForAnimations(
 160     blink::WebLayer* layer) {
 161   cc::Layer* cc_layer = static_cast<cc_blink::WebLayerImpl*>(layer)->layer();
 162   cc_layer->RegisterForAnimations(layer_tree_host_->animation_registrar());
 163 }
 164
 165 void WebLayerTreeViewImplForTesting::registerViewportLayers(
 166     const blink::WebLayer* overscrollElasticityLayer,
 167     const blink::WebLayer* pageScaleLayer,
 168     const blink::WebLayer* innerViewportScrollLayer,
 169     const blink::WebLayer* outerViewportScrollLayer) {
 170   layer_tree_host_->RegisterViewportLayers(
 171       // The scroll elasticity layer will only exist when using pinch virtual
 172       // viewports.
 173       overscrollElasticityLayer
 174           ? static_cast<const cc_blink::WebLayerImpl*>(
 175                 overscrollElasticityLayer)->layer()
 176           : NULL,
 177       static_cast<const cc_blink::WebLayerImpl*>(pageScaleLayer)->layer(),
 178       static_cast<const cc_blink::WebLayerImpl*>(innerViewportScrollLayer)
 179           ->layer(),
 180       // The outer viewport layer will only exist when using pinch virtual
 181       // viewports.
 182       outerViewportScrollLayer
 183           ? static_cast<const cc_blink::WebLayerImpl*>(outerViewportScrollLayer)
 184                 ->layer()
 185           : NULL);
 186 }
 187
 188 void WebLayerTreeViewImplForTesting::clearViewportLayers() {
 189   layer_tree_host_->RegisterViewportLayers(scoped_refptr<cc::Layer>(),
 190                                            scoped_refptr<cc::Layer>(),
 191                                            scoped_refptr<cc::Layer>(),
 192                                            scoped_refptr<cc::Layer>());
 193 }
 194
 195 void WebLayerTreeViewImplForTesting::registerSelection(
 196     const blink::WebSelection& selection) {
 197 }
 198
 199 void WebLayerTreeViewImplForTesting::clearSelection() {
 200 }
 201
 202 }  // namespace content