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   params.task_graph_runner = &task_graph_runner_;
  51   layer_tree_host_ = cc::LayerTreeHost::CreateSingleThreaded(this, &params);
  52   DCHECK(layer_tree_host_);
  53 }
  54
  55 void WebLayerTreeViewImplForTesting::setRootLayer(
  56     const blink::WebLayer& root) {
  57   layer_tree_host_->SetRootLayer(
  58       static_cast<const cc_blink::WebLayerImpl*>(&root)->layer());
  59 }
  60
  61 void WebLayerTreeViewImplForTesting::clearRootLayer() {
  62   layer_tree_host_->SetRootLayer(scoped_refptr<cc::Layer>());
  63 }
  64
  65 void WebLayerTreeViewImplForTesting::setViewportSize(
  66     const WebSize& unused_deprecated,
  67     const WebSize& device_viewport_size) {
  68   layer_tree_host_->SetViewportSize(device_viewport_size);
  69 }
  70
  71 void WebLayerTreeViewImplForTesting::setViewportSize(
  72     const WebSize& device_viewport_size) {
  73   layer_tree_host_->SetViewportSize(device_viewport_size);
  74 }
  75
  76 void WebLayerTreeViewImplForTesting::setDeviceScaleFactor(
  77     float device_scale_factor) {
  78   layer_tree_host_->SetDeviceScaleFactor(device_scale_factor);
  79 }
  80
  81 float WebLayerTreeViewImplForTesting::deviceScaleFactor() const {
  82   return layer_tree_host_->device_scale_factor();
  83 }
  84
  85 void WebLayerTreeViewImplForTesting::setBackgroundColor(WebColor color) {
  86   layer_tree_host_->set_background_color(color);
  87 }
  88
  89 void WebLayerTreeViewImplForTesting::setHasTransparentBackground(
  90     bool transparent) {
  91   layer_tree_host_->set_has_transparent_background(transparent);
  92 }
  93
  94 void WebLayerTreeViewImplForTesting::setVisible(bool visible) {
  95   layer_tree_host_->SetVisible(visible);
  96 }
  97
  98 void WebLayerTreeViewImplForTesting::setPageScaleFactorAndLimits(
  99     float page_scale_factor,
 100     float minimum,
 101     float maximum) {
 102   layer_tree_host_->SetPageScaleFactorAndLimits(
 103       page_scale_factor, minimum, maximum);
 104 }
 105
 106 void WebLayerTreeViewImplForTesting::startPageScaleAnimation(
 107     const blink::WebPoint& scroll,
 108     bool use_anchor,
 109     float new_page_scale,
 110     double duration_sec) {}
 111
 112 void WebLayerTreeViewImplForTesting::setNeedsAnimate() {
 113   layer_tree_host_->SetNeedsAnimate();
 114 }
 115
 116 void WebLayerTreeViewImplForTesting::didStopFlinging() {}
 117
 118 void WebLayerTreeViewImplForTesting::setDeferCommits(bool defer_commits) {
 119   layer_tree_host_->SetDeferCommits(defer_commits);
 120 }
 121
 122 void WebLayerTreeViewImplForTesting::Layout() {
 123 }
 124
 125 void WebLayerTreeViewImplForTesting::ApplyViewportDeltas(
 126     const gfx::Vector2dF& inner_delta,
 127     const gfx::Vector2dF& outer_delta,
 128     const gfx::Vector2dF& elastic_overscroll_delta,
 129     float page_scale,
 130     float top_controls_delta) {
 131 }
 132
 133 void WebLayerTreeViewImplForTesting::RequestNewOutputSurface() {
 134   bool flipped_output_surface = false;
 135   layer_tree_host_->SetOutputSurface(
 136       make_scoped_ptr(new cc::PixelTestOutputSurface(
 137           cc::TestContextProvider::Create(), flipped_output_surface)));
 138 }
 139
 140 void WebLayerTreeViewImplForTesting::DidFailToInitializeOutputSurface() {
 141   RequestNewOutputSurface();
 142 }
 143
 144 void WebLayerTreeViewImplForTesting::registerForAnimations(
 145     blink::WebLayer* layer) {
 146   cc::Layer* cc_layer = static_cast<cc_blink::WebLayerImpl*>(layer)->layer();
 147   cc_layer->RegisterForAnimations(layer_tree_host_->animation_registrar());
 148 }
 149
 150 void WebLayerTreeViewImplForTesting::registerViewportLayers(
 151     const blink::WebLayer* overscrollElasticityLayer,
 152     const blink::WebLayer* pageScaleLayer,
 153     const blink::WebLayer* innerViewportScrollLayer,
 154     const blink::WebLayer* outerViewportScrollLayer) {
 155   layer_tree_host_->RegisterViewportLayers(
 156       // The scroll elasticity layer will only exist when using pinch virtual
 157       // viewports.
 158       overscrollElasticityLayer
 159           ? static_cast<const cc_blink::WebLayerImpl*>(
 160                 overscrollElasticityLayer)->layer()
 161           : NULL,
 162       static_cast<const cc_blink::WebLayerImpl*>(pageScaleLayer)->layer(),
 163       static_cast<const cc_blink::WebLayerImpl*>(innerViewportScrollLayer)
 164           ->layer(),
 165       // The outer viewport layer will only exist when using pinch virtual
 166       // viewports.
 167       outerViewportScrollLayer
 168           ? static_cast<const cc_blink::WebLayerImpl*>(outerViewportScrollLayer)
 169                 ->layer()
 170           : NULL);
 171 }
 172
 173 void WebLayerTreeViewImplForTesting::clearViewportLayers() {
 174   layer_tree_host_->RegisterViewportLayers(scoped_refptr<cc::Layer>(),
 175                                            scoped_refptr<cc::Layer>(),
 176                                            scoped_refptr<cc::Layer>(),
 177                                            scoped_refptr<cc::Layer>());
 178 }
 179
 180 void WebLayerTreeViewImplForTesting::registerSelection(
 181     const blink::WebSelection& selection) {
 182 }
 183
 184 void WebLayerTreeViewImplForTesting::clearSelection() {
 185 }
 186
 187 }  // namespace content