content/browser/frame_host/render_widget_host_view_child_frame_unittest.cc

   1 // Copyright 2014 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/browser/frame_host/render_widget_host_view_child_frame.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "cc/surfaces/surface.h"
  10 #include "cc/surfaces/surface_factory.h"
  11 #include "cc/surfaces/surface_manager.h"
  12 #include "cc/surfaces/surface_sequence.h"
  13 #include "content/browser/compositor/test/no_transport_image_transport_factory.h"
  14 #include "content/browser/frame_host/cross_process_frame_connector.h"
  15 #include "content/browser/gpu/compositor_util.h"
  16 #include "content/browser/renderer_host/render_widget_host_delegate.h"
  17 #include "content/browser/renderer_host/render_widget_host_impl.h"
  18 #include "content/common/view_messages.h"
  19 #include "content/public/browser/render_widget_host_view.h"
  20 #include "content/public/test/mock_render_process_host.h"
  21 #include "content/public/test/test_browser_context.h"
  22 #include "content/test/test_render_view_host.h"
  23 #include "testing/gtest/include/gtest/gtest.h"
  24
  25 namespace content {
  26 namespace {
  27 class MockRenderWidgetHostDelegate : public RenderWidgetHostDelegate {
  28  public:
  29   MockRenderWidgetHostDelegate() {}
  30   ~MockRenderWidgetHostDelegate() override {}
  31  private:
  32   void Cut() override {}
  33   void Copy() override {}
  34   void Paste() override {}
  35   void SelectAll() override {}
  36 };
  37
  38 class MockCrossProcessFrameConnector : public CrossProcessFrameConnector {
  39  public:
  40   MockCrossProcessFrameConnector()
  41       : CrossProcessFrameConnector(nullptr),
  42         last_scale_factor_received_(0.f),
  43         received_delegated_frame_(false) {}
  44   ~MockCrossProcessFrameConnector() override {}
  45
  46   void ChildFrameCompositorFrameSwapped(
  47       uint32 output_surface_id,
  48       int host_id,
  49       int route_id,
  50       scoped_ptr<cc::CompositorFrame> frame) override {
  51     received_delegated_frame_ = true;
  52     last_frame_size_received_ =
  53         frame->delegated_frame_data->render_pass_list.back()
  54             ->output_rect.size();
  55     last_scale_factor_received_ = frame->metadata.device_scale_factor;
  56   }
  57
  58   void SetChildFrameSurface(const cc::SurfaceId& surface_id,
  59                             const gfx::Size& frame_size,
  60                             float scale_factor,
  61                             const cc::SurfaceSequence& sequence) override {
  62     last_surface_id_received_ = surface_id;
  63     last_frame_size_received_ = frame_size;
  64     last_scale_factor_received_ = scale_factor;
  65   }
  66
  67   cc::SurfaceId last_surface_id_received_;
  68   gfx::Size last_frame_size_received_;
  69   float last_scale_factor_received_;
  70
  71   bool received_delegated_frame_;
  72 };
  73
  74 }  // namespace
  75
  76 class RenderWidgetHostViewChildFrameTest : public testing::Test {
  77  public:
  78   RenderWidgetHostViewChildFrameTest() {}
  79
  80   void SetUp() override {
  81     browser_context_.reset(new TestBrowserContext);
  82
  83 // ImageTransportFactory doesn't exist on Android.
  84 #if !defined(OS_ANDROID)
  85     ImageTransportFactory::InitializeForUnitTests(
  86         scoped_ptr<ImageTransportFactory>(
  87             new NoTransportImageTransportFactory));
  88 #endif
  89
  90     MockRenderProcessHost* process_host =
  91         new MockRenderProcessHost(browser_context_.get());
  92     widget_host_ = new RenderWidgetHostImpl(
  93         &delegate_, process_host, MSG_ROUTING_NONE, false);
  94     view_ = new RenderWidgetHostViewChildFrame(widget_host_);
  95
  96     test_frame_connector_ = new MockCrossProcessFrameConnector();
  97     view_->set_cross_process_frame_connector(test_frame_connector_);
  98   }
  99
 100   void TearDown() override {
 101     if (view_)
 102       view_->Destroy();
 103     delete widget_host_;
 104     delete test_frame_connector_;
 105
 106     browser_context_.reset();
 107
 108     message_loop_.DeleteSoon(FROM_HERE, browser_context_.release());
 109     message_loop_.RunUntilIdle();
 110 #if !defined(OS_ANDROID)
 111     ImageTransportFactory::Terminate();
 112 #endif
 113   }
 114
 115   cc::SurfaceId surface_id() { return view_->surface_id_; }
 116
 117  protected:
 118   base::MessageLoopForUI message_loop_;
 119   scoped_ptr<BrowserContext> browser_context_;
 120   MockRenderWidgetHostDelegate delegate_;
 121
 122   // Tests should set these to NULL if they've already triggered their
 123   // destruction.
 124   RenderWidgetHostImpl* widget_host_;
 125   RenderWidgetHostViewChildFrame* view_;
 126   MockCrossProcessFrameConnector* test_frame_connector_;
 127
 128  private:
 129   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewChildFrameTest);
 130 };
 131
 132 scoped_ptr<cc::CompositorFrame> CreateDelegatedFrame(float scale_factor,
 133                                                      gfx::Size size,
 134                                                      const gfx::Rect& damage) {
 135   scoped_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame);
 136   frame->metadata.device_scale_factor = scale_factor;
 137   frame->delegated_frame_data.reset(new cc::DelegatedFrameData);
 138
 139   scoped_ptr<cc::RenderPass> pass = cc::RenderPass::Create();
 140   pass->SetNew(cc::RenderPassId(1, 1), gfx::Rect(size), damage,
 141                gfx::Transform());
 142   frame->delegated_frame_data->render_pass_list.push_back(pass.Pass());
 143   return frame;
 144 }
 145
 146 TEST_F(RenderWidgetHostViewChildFrameTest, VisibilityTest) {
 147   view_->Show();
 148   ASSERT_TRUE(view_->IsShowing());
 149
 150   view_->Hide();
 151   ASSERT_FALSE(view_->IsShowing());
 152 }
 153
 154 // Verify that OnSwapCompositorFrame behavior is correct when a delegated
 155 // frame is received from a renderer process.
 156 TEST_F(RenderWidgetHostViewChildFrameTest, SwapCompositorFrame) {
 157   gfx::Size view_size(100, 100);
 158   gfx::Rect view_rect(view_size);
 159   float scale_factor = 1.f;
 160
 161   view_->SetSize(view_size);
 162   view_->Show();
 163
 164   view_->OnSwapCompositorFrame(
 165       0, CreateDelegatedFrame(scale_factor, view_size, view_rect));
 166
 167   if (UseSurfacesEnabled()) {
 168     cc::SurfaceId id = surface_id();
 169     if (!id.is_null()) {
 170 #if !defined(OS_ANDROID)
 171       ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
 172       cc::SurfaceManager* manager = factory->GetSurfaceManager();
 173       cc::Surface* surface = manager->GetSurfaceForId(id);
 174       EXPECT_TRUE(surface);
 175       // There should be a SurfaceSequence created by the RWHVChildFrame.
 176       EXPECT_EQ(1u, surface->GetDestructionDependencyCount());
 177 #endif
 178
 179       // Surface ID should have been passed to CrossProcessFrameConnector to
 180       // be sent to the embedding renderer.
 181       EXPECT_EQ(id, test_frame_connector_->last_surface_id_received_);
 182       EXPECT_EQ(view_size, test_frame_connector_->last_frame_size_received_);
 183       EXPECT_EQ(scale_factor,
 184                 test_frame_connector_->last_scale_factor_received_);
 185     }
 186   } else {
 187     EXPECT_TRUE(test_frame_connector_->received_delegated_frame_);
 188     EXPECT_EQ(view_size, test_frame_connector_->last_frame_size_received_);
 189     EXPECT_EQ(scale_factor, test_frame_connector_->last_scale_factor_received_);
 190   }
 191 }
 192
 193 }  // namespace content