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 bool 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   if (!layer_tree_host_)
  51     return false;
  52   return true;
  53 }
  54
  55 void WebLayerTreeViewImplForTesting::setSurfaceReady() {
  56   layer_tree_host_->SetLayerTreeHostClientReady();
  57 }
  58
  59 void WebLayerTreeViewImplForTesting::setRootLayer(
  60     const blink::WebLayer& root) {
  61   layer_tree_host_->SetRootLayer(
  62       static_cast<const WebLayerImpl*>(&root)->layer());
  63 }
  64
  65 void WebLayerTreeViewImplForTesting::clearRootLayer() {
  66   layer_tree_host_->SetRootLayer(scoped_refptr<cc::Layer>());
  67 }
  68
  69 void WebLayerTreeViewImplForTesting::setViewportSize(
  70     const WebSize& unused_deprecated,
  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 // Merged into setNeedsAnimate. Staged for removal.
 124 void WebLayerTreeViewImplForTesting::setNeedsRedraw() { setNeedsAnimate(); }
 125
 126 bool WebLayerTreeViewImplForTesting::commitRequested() const {
 127   return layer_tree_host_->CommitRequested();
 128 }
 129
 130 void WebLayerTreeViewImplForTesting::composite() {
 131   layer_tree_host_->Composite(gfx::FrameTime::Now());
 132 }
 133
 134 void WebLayerTreeViewImplForTesting::didStopFlinging() {}
 135
 136 bool WebLayerTreeViewImplForTesting::compositeAndReadback(
 137     void* pixels, const WebRect& rect_in_device_viewport) {
 138   return layer_tree_host_->CompositeAndReadback(pixels,
 139                                                 rect_in_device_viewport);
 140 }
 141
 142 void WebLayerTreeViewImplForTesting::finishAllRendering() {
 143   layer_tree_host_->FinishAllRendering();
 144 }
 145
 146 void WebLayerTreeViewImplForTesting::setDeferCommits(bool defer_commits) {
 147   layer_tree_host_->SetDeferCommits(defer_commits);
 148 }
 149
 150 void WebLayerTreeViewImplForTesting::renderingStats(WebRenderingStats&) const {}
 151
 152 void WebLayerTreeViewImplForTesting::Layout() {
 153 }
 154
 155 void WebLayerTreeViewImplForTesting::ApplyScrollAndScale(
 156     gfx::Vector2d scroll_delta,
 157     float page_scale) {}
 158
 159 scoped_ptr<cc::OutputSurface>
 160 WebLayerTreeViewImplForTesting::CreateOutputSurface(bool fallback) {
 161   return make_scoped_ptr(
 162       new cc::OutputSurface(cc::TestContextProvider::Create()));
 163 }
 164
 165 scoped_refptr<cc::ContextProvider>
 166 WebLayerTreeViewImplForTesting::OffscreenContextProvider() {
 167   // Unit tests only run in single threaded mode.
 168   return webkit::gpu::TestContextProviderFactory::GetInstance()->
 169       OffscreenContextProviderForMainThread();
 170 }
 171
 172 }  // namespace webkit