| // Copyright 2016 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 "platform/graphics/CanvasSurfaceLayerBridge.h" |
| |
| #include "cc/layers/surface_layer.h" |
| #include "cc/surfaces/surface_id.h" |
| #include "cc/surfaces/surface_sequence.h" |
| #include "platform/graphics/GraphicsLayer.h" |
| #include "platform/mojo/MojoHelper.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebCompositorSupport.h" |
| #include "public/platform/WebLayer.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "wtf/Functional.h" |
| #include "wtf/PtrUtil.h" |
| |
| namespace blink { |
| |
| CanvasSurfaceLayerBridge::CanvasSurfaceLayerBridge(std::unique_ptr<CanvasSurfaceLayerBridgeClient> client) |
| { |
| m_client = std::move(client); |
| } |
| |
| CanvasSurfaceLayerBridge::~CanvasSurfaceLayerBridge() |
| { |
| } |
| |
| bool CanvasSurfaceLayerBridge::createSurfaceLayer(int canvasWidth, int canvasHeight) |
| { |
| if (!m_client->syncGetSurfaceId(&m_surfaceId)) |
| return false; |
| |
| cc::SurfaceLayer::SatisfyCallback satisfyCallback = convertToBaseCallback(WTF::bind(&CanvasSurfaceLayerBridge::satisfyCallback, WTF::unretained(this))); |
| cc::SurfaceLayer::RequireCallback requireCallback = convertToBaseCallback(WTF::bind(&CanvasSurfaceLayerBridge::requireCallback, WTF::unretained(this))); |
| m_surfaceLayer = cc::SurfaceLayer::Create(std::move(satisfyCallback), std::move(requireCallback)); |
| m_surfaceLayer->SetSurfaceId(m_surfaceId, 1.f, gfx::Size(canvasWidth, canvasHeight)); |
| |
| m_webLayer = wrapUnique(Platform::current()->compositorSupport()->createLayerFromCCLayer(m_surfaceLayer.get())); |
| GraphicsLayer::registerContentsLayer(m_webLayer.get()); |
| return true; |
| } |
| |
| void CanvasSurfaceLayerBridge::satisfyCallback(const cc::SurfaceSequence& sequence) |
| { |
| m_client->asyncSatisfy(sequence); |
| } |
| |
| void CanvasSurfaceLayerBridge::requireCallback(const cc::SurfaceId& surfaceId, const cc::SurfaceSequence& sequence) |
| { |
| m_client->asyncRequire(surfaceId, sequence); |
| } |
| |
| } // namespace blink |