cc: Chromify the LayerTreeHostImpl class.

cc/layer_tree_host_unittest.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layer_tree_host.h"
 
 #include "base/synchronization/lock.h"
 #include "cc/content_layer.h"
 #include "cc/content_layer_client.h"
 #include "cc/frame_rate_controller.h"
@@ skipping 152 matching lines @@
 
     virtual void beginTest() OVERRIDE
     {
         postSetNeedsCommitToMainThread();
         postSetNeedsCommitToMainThread();
     }
 
     virtual void drawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
         m_numDraws++;
-        if (!impl->activeTree()->source_frame_number())
+        if (!impl->active_tree()->source_frame_number())
             endTest();
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl*) OVERRIDE
     {
         m_numCommits++;
     }
 
     virtual void afterTest() OVERRIDE
     {
@@ skipping 21 matching lines @@
     {
     }
 
     virtual void beginTest() OVERRIDE
     {
         postSetNeedsCommitToMainThread();
     }
 
     virtual void drawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
-        if (impl->activeTree()->source_frame_number() == 0)
+        if (impl->active_tree()->source_frame_number() == 0)
             postSetNeedsCommitToMainThread();
-        else if (impl->activeTree()->source_frame_number() == 1)
+        else if (impl->active_tree()->source_frame_number() == 1)
             endTest();
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl*) OVERRIDE
     {
         m_numCommits++;
     }
 
     virtual void afterTest() OVERRIDE
     {
@@ skipping 21 matching lines @@
     {
     }
 
     virtual void beginTest() OVERRIDE
     {
         postSetNeedsCommitToMainThread();
     }
 
     virtual void drawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
-        EXPECT_EQ(0, impl->activeTree()->source_frame_number());
+        EXPECT_EQ(0, impl->active_tree()->source_frame_number());
         if (!m_numDraws)
             postSetNeedsRedrawToMainThread(); // Redraw again to verify that the second redraw doesn't commit.
         else
             endTest();
         m_numDraws++;
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl*) OVERRIDE
     {
         EXPECT_EQ(0, m_numDraws);
@@ skipping 151 matching lines @@
     virtual void beginTest() OVERRIDE
     {
         postSetNeedsCommitToMainThread();
     }
 
     virtual void drawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
         if (m_done)
             return;
         // Only the initial draw should bring us here.
-        EXPECT_TRUE(impl->canDraw());
-        EXPECT_EQ(0, impl->activeTree()->source_frame_number());
+        EXPECT_TRUE(impl->CanDraw());
+        EXPECT_EQ(0, impl->active_tree()->source_frame_number());
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
         if (m_done)
             return;
         if (m_numCommits >= 1) {
             // After the first commit, we should not be able to draw.
-            EXPECT_FALSE(impl->canDraw());
+            EXPECT_FALSE(impl->CanDraw());
         }
     }
 
     virtual void didCommit() OVERRIDE
     {
         m_numCommits++;
         if (m_numCommits == 1) {
             // Make the viewport empty so the host says it can't draw.
             m_layerTreeHost->SetViewportSize(gfx::Size(0, 0), gfx::Size(0, 0));
         } else if (m_numCommits == 2) {
@@ skipping 188 matching lines @@
     {
         m_layerTreeHost->SetViewportSize(gfx::Size(20, 20), gfx::Size(20, 20));
         m_layerTreeHost->set_background_color(SK_ColorGRAY);
         m_layerTreeHost->SetPageScaleFactorAndLimits(5, 5, 5);
 
         postSetNeedsCommitToMainThread();
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
-        EXPECT_EQ(gfx::Size(20, 20), impl->layoutViewportSize());
-        EXPECT_EQ(SK_ColorGRAY, impl->activeTree()->background_color());
-        EXPECT_EQ(5, impl->activeTree()->page_scale_factor());
+        EXPECT_EQ(gfx::Size(20, 20), impl->layout_viewport_size());
+        EXPECT_EQ(SK_ColorGRAY, impl->active_tree()->background_color());
+        EXPECT_EQ(5, impl->active_tree()->page_scale_factor());
 
         endTest();
     }
 
     virtual void afterTest() OVERRIDE { }
 };
 
 TEST_F(LayerTreeHostTestCommit, runTest)
 {
     runTest(true);
@@ skipping 17 matching lines @@
         postSetNeedsRedrawToMainThread();
     }
 
     void requestStartPageScaleAnimation()
     {
         m_layerTreeHost->StartPageScaleAnimation(gfx::Vector2d(), false, 1.25, base::TimeDelta());
     }
 
     virtual void drawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
-        impl->rootLayer()->SetScrollable(true);
-        impl->rootLayer()->SetScrollOffset(gfx::Vector2d());
-        impl->activeTree()->SetPageScaleFactorAndLimits(impl->activeTree()->page_scale_factor(), 0.5, 2);
+        impl->active_tree()->root_layer()->SetScrollable(true);
+        impl->active_tree()->root_layer()->SetScrollOffset(gfx::Vector2d());
+        impl->active_tree()->SetPageScaleFactorAndLimits(impl->active_tree()->page_scale_factor(), 0.5, 2);
 
         // We request animation only once.
         if (!m_animationRequested) {
             impl->proxy()->MainThread()->postTask(base::Bind(&LayerTreeHostTestStartPageScaleAnimation::requestStartPageScaleAnimation, base::Unretained(this)));
             m_animationRequested = true;
         }
     }
 
     virtual void applyScrollAndScale(gfx::Vector2d scrollDelta, float scale) OVERRIDE
     {
         gfx::Vector2d offset = m_layerTreeHost->root_layer()->scroll_offset();
         m_layerTreeHost->root_layer()->SetScrollOffset(offset + scrollDelta);
         m_layerTreeHost->SetPageScaleFactorAndLimits(scale, 0.5, 2);
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
-        impl->processScrollDeltas();
+        impl->ProcessScrollDeltas();
         // We get one commit before the first draw, and the animation doesn't happen until the second draw.
-        if (impl->activeTree()->source_frame_number() == 1) {
-            EXPECT_EQ(1.25, impl->activeTree()->page_scale_factor());
+        if (impl->active_tree()->source_frame_number() == 1) {
+            EXPECT_EQ(1.25, impl->active_tree()->page_scale_factor());
             endTest();
         } else
             postSetNeedsRedrawToMainThread();
     }
 
     virtual void afterTest() OVERRIDE
     {
     }
 
 private:
@@ skipping 197 matching lines @@
         m_layerTreeHost->UpdateLayers(&queue, std::numeric_limits<size_t>::max());
         postSetNeedsCommitToMainThread();
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
         // Get access to protected methods.
         MockLayerTreeHostImpl* mockImpl = static_cast<MockLayerTreeHostImpl*>(impl);
 
         // Should only do one commit.
-        EXPECT_EQ(0, impl->activeTree()->source_frame_number());
+        EXPECT_EQ(0, impl->active_tree()->source_frame_number());
         // Device scale factor should come over to impl.
-        EXPECT_NEAR(impl->deviceScaleFactor(), 1.5, 0.00001);
+        EXPECT_NEAR(impl->device_scale_factor(), 1.5, 0.00001);
 
         // Both layers are on impl.
-        ASSERT_EQ(1u, impl->rootLayer()->children().size());
+        ASSERT_EQ(1u, impl->active_tree()->root_layer()->children().size());
 
         // Device viewport is scaled.
-        EXPECT_EQ(gfx::Size(40, 40), impl->layoutViewportSize());
-        EXPECT_EQ(gfx::Size(60, 60), impl->DeviceViewportSize());
+        EXPECT_EQ(gfx::Size(40, 40), impl->layout_viewport_size());
+        EXPECT_EQ(gfx::Size(60, 60), impl->device_viewport_size());
 
-        LayerImpl* root = impl->rootLayer();
-        LayerImpl* child = impl->rootLayer()->children()[0];
+        LayerImpl* root = impl->active_tree()->root_layer();
+        LayerImpl* child = impl->active_tree()->root_layer()->children()[0];
 
         // Positions remain in layout pixels.
         EXPECT_EQ(gfx::Point(0, 0), root->position());
         EXPECT_EQ(gfx::Point(2, 2), child->position());
 
         // Compute all the layer transforms for the frame.
         LayerTreeHostImpl::FrameData frameData;
-        mockImpl->prepareToDraw(frameData);
-        mockImpl->didDrawAllLayers(frameData);
+        mockImpl->PrepareToDraw(&frameData);
+        mockImpl->DidDrawAllLayers(frameData);
 
         const MockLayerTreeHostImpl::LayerList& renderSurfaceLayerList =
-          *frameData.renderSurfaceLayerList;
+          *frameData.render_surface_layer_list;
 
         // Both layers should be drawing into the root render surface.
         ASSERT_EQ(1u, renderSurfaceLayerList.size());
         ASSERT_EQ(root->render_surface(), renderSurfaceLayerList[0]->render_surface());
         ASSERT_EQ(2u, root->render_surface()->layer_list().size());
 
         // The root render surface is the size of the viewport.
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 60, 60), root->render_surface()->content_rect());
 
         // The content bounds of the child should be scaled.
         gfx::Size childBoundsScaled = gfx::ToCeiledSize(gfx::ScaleSize(child->bounds(), 1.5));
         EXPECT_EQ(childBoundsScaled, child->content_bounds());
 
         gfx::Transform scaleTransform;
-        scaleTransform.Scale(impl->deviceScaleFactor(), impl->deviceScaleFactor());
+        scaleTransform.Scale(impl->device_scale_factor(), impl->device_scale_factor());
 
         // The root layer is scaled by 2x.
         gfx::Transform rootScreenSpaceTransform = scaleTransform;
         gfx::Transform rootDrawTransform = scaleTransform;
 
         EXPECT_EQ(rootDrawTransform, root->draw_transform());
         EXPECT_EQ(rootScreenSpaceTransform, root->screen_space_transform());
 
         // The child is at position 2,2, which is transformed to 3,3 after the scale
         gfx::Transform childScreenSpaceTransform;
@@ skipping 54 matching lines @@
 
     virtual void beginTest() OVERRIDE
     {
         postSetNeedsCommitToMainThread();
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
         ASSERT_EQ(0u, m_layerTreeHost->settings().maxPartialTextureUpdates);
 
-        TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(impl->outputSurface()->context3d());
+        TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(impl->output_surface()->context3d());
 
-        switch (impl->activeTree()->source_frame_number()) {
+        switch (impl->active_tree()->source_frame_number()) {
         case 0:
             // Number of textures should be one for each layer
             ASSERT_EQ(2, context->NumTextures());
             // Number of textures used for commit should be one for each layer.
             EXPECT_EQ(2, context->NumUsedTextures());
             // Verify that used texture is correct.
             EXPECT_TRUE(context->UsedTexture(context->TextureAt(0)));
             EXPECT_TRUE(context->UsedTexture(context->TextureAt(1)));
 
             context->ResetUsedTextures();
@@ skipping 19 matching lines @@
             endTest();
             break;
         default:
             NOTREACHED();
             break;
         }
     }
 
     virtual void drawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
-        TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(impl->outputSurface()->context3d());
+        TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(impl->output_surface()->context3d());
 
         // Number of textures used for draw should always be one for each layer.
         EXPECT_EQ(2, context->NumUsedTextures());
         context->ResetUsedTextures();
     }
 
     virtual void layout() OVERRIDE
     {
         m_layer->SetNeedsDisplay();
         m_scrollbar->SetNeedsDisplay();
@@ skipping 69 matching lines @@
 
     virtual void beginTest() OVERRIDE
     {
         postSetNeedsCommitToMainThread();
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
         ASSERT_EQ(1u, m_layerTreeHost->settings().maxPartialTextureUpdates);
 
-        TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(impl->outputSurface()->context3d());
+        TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(impl->output_surface()->context3d());
 
-        switch (impl->activeTree()->source_frame_number()) {
+        switch (impl->active_tree()->source_frame_number()) {
         case 0:
             // Number of textures should be one for each layer.
             ASSERT_EQ(4, context->NumTextures());
             // Number of textures used for commit should be one for each layer.
             EXPECT_EQ(4, context->NumUsedTextures());
             // Verify that used textures are correct.
             EXPECT_TRUE(context->UsedTexture(context->TextureAt(0)));
             EXPECT_TRUE(context->UsedTexture(context->TextureAt(1)));
             EXPECT_TRUE(context->UsedTexture(context->TextureAt(2)));
             EXPECT_TRUE(context->UsedTexture(context->TextureAt(3)));
@@ skipping 62 matching lines @@
             endTest();
             break;
         default:
             NOTREACHED();
             break;
         }
     }
 
     virtual void drawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE
     {
-        TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(impl->outputSurface()->context3d());
+        TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(impl->output_surface()->context3d());
 
         // Number of textures used for drawing should one per layer except for
         // frame 3 where the viewport only contains one layer.
-        if (impl->activeTree()->source_frame_number() == 3)
+        if (impl->active_tree()->source_frame_number() == 3)
             EXPECT_EQ(1, context->NumUsedTextures());
         else
             EXPECT_EQ(4, context->NumUsedTextures());
 
         context->ResetUsedTextures();
     }
 
     virtual void layout() OVERRIDE
     {
         switch (m_numCommits++) {
@@ skipping 153 matching lines @@
         m_rootLayer->AddChild(m_surfaceLayer1);
         m_surfaceLayer1->AddChild(m_surfaceLayer2);
         m_layerTreeHost->SetRootLayer(m_rootLayer);
 
         postSetNeedsCommitToMainThread();
     }
 
     virtual void drawLayersOnThread(LayerTreeHostImpl* hostImpl) OVERRIDE
     {
         Renderer* renderer = hostImpl->renderer();
-        RenderPass::Id surface1RenderPassId = hostImpl->rootLayer()->children()[0]->render_surface()->RenderPassId();
-        RenderPass::Id surface2RenderPassId = hostImpl->rootLayer()->children()[0]->children()[0]->render_surface()->RenderPassId();
+        RenderPass::Id surface1RenderPassId = hostImpl->active_tree()->root_layer()->children()[0]->render_surface()->RenderPassId();
+        RenderPass::Id surface2RenderPassId = hostImpl->active_tree()->root_layer()->children()[0]->children()[0]->render_surface()->RenderPassId();
 
-        switch (hostImpl->activeTree()->source_frame_number()) {
+        switch (hostImpl->active_tree()->source_frame_number()) {
         case 0:
             EXPECT_TRUE(renderer->HaveCachedResourcesForRenderPassId(surface1RenderPassId));
             EXPECT_TRUE(renderer->HaveCachedResourcesForRenderPassId(surface2RenderPassId));
 
             // Reduce the memory limit to only fit the root layer and one render surface. This
             // prevents any contents drawing into surfaces from being allocated.
             hostImpl->SetManagedMemoryPolicy(ManagedMemoryPolicy(100 * 100 * 4 * 2));
             break;
         case 1:
             EXPECT_FALSE(renderer->HaveCachedResourcesForRenderPassId(surface1RenderPassId));
@@ skipping 681 matching lines @@
     }
 
     virtual void didSetVisibleOnImplTree(LayerTreeHostImpl* hostImpl, bool visible) OVERRIDE
     {
         // One backing should remain unevicted.
         EXPECT_EQ(
             100 * 100 * 4 * 1, 
             m_layerTreeHost->contents_texture_manager()->memoryUseBytes());
         // Make sure that contents textures are marked as having been
         // purged.
-        EXPECT_TRUE(hostImpl->activeTree()->ContentsTexturesPurged());
+        EXPECT_TRUE(hostImpl->active_tree()->ContentsTexturesPurged());
         // End the test in this state.
         endTest();
     }
 
     virtual void commitCompleteOnThread(LayerTreeHostImpl* hostImpl) OVERRIDE
     {
         ++m_numCommits;
         switch(m_numCommits) {
         case 1:
             // All three backings should have memory.
@@ skipping 34 matching lines @@
     scoped_refptr<FakeContentLayer> m_rootLayer;
     scoped_refptr<FakeContentLayer> m_childLayer1;
     scoped_refptr<FakeContentLayer> m_childLayer2;
     int m_numCommits;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestShutdownWithOnlySomeResourcesEvicted)
 
 }  // namespace
 }  // namespace cc