| // 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 "content/browser/renderer_host/offscreen_canvas_surface_impl.h" |
| |
| #include <utility> |
| |
| #include "base/bind_helpers.h" |
| #include "base/memory/ptr_util.h" |
| #include "cc/surfaces/surface.h" |
| #include "cc/surfaces/surface_manager.h" |
| #include "content/browser/compositor/surface_utils.h" |
| #include "content/browser/renderer_host/offscreen_canvas_surface_manager.h" |
| #include "content/public/browser/browser_thread.h" |
| |
| namespace content { |
| |
| OffscreenCanvasSurfaceImpl::OffscreenCanvasSurfaceImpl( |
| const cc::FrameSinkId& parent_frame_sink_id, |
| const cc::FrameSinkId& frame_sink_id, |
| cc::mojom::DisplayCompositorClientPtr client) |
| : client_(std::move(client)), |
| frame_sink_id_(frame_sink_id), |
| parent_frame_sink_id_(parent_frame_sink_id) { |
| OffscreenCanvasSurfaceManager::GetInstance() |
| ->RegisterOffscreenCanvasSurfaceInstance(frame_sink_id_, this); |
| } |
| |
| OffscreenCanvasSurfaceImpl::~OffscreenCanvasSurfaceImpl() { |
| if (frame_sink_id_.is_valid()) { |
| OffscreenCanvasSurfaceManager::GetInstance() |
| ->UnregisterOffscreenCanvasSurfaceInstance(frame_sink_id_); |
| } |
| } |
| |
| // static |
| void OffscreenCanvasSurfaceImpl::Create( |
| const cc::FrameSinkId& parent_frame_sink_id, |
| const cc::FrameSinkId& frame_sink_id, |
| cc::mojom::DisplayCompositorClientPtr client, |
| blink::mojom::OffscreenCanvasSurfaceRequest request) { |
| std::unique_ptr<OffscreenCanvasSurfaceImpl> impl = |
| base::MakeUnique<OffscreenCanvasSurfaceImpl>( |
| parent_frame_sink_id, frame_sink_id, std::move(client)); |
| OffscreenCanvasSurfaceImpl* surface_service = impl.get(); |
| surface_service->binding_ = |
| mojo::MakeStrongBinding(std::move(impl), std::move(request)); |
| } |
| |
| void OffscreenCanvasSurfaceImpl::OnSurfaceCreated( |
| const cc::SurfaceInfo& surface_info) { |
| DCHECK_EQ(surface_info.id().frame_sink_id(), frame_sink_id_); |
| if (!current_local_surface_id_.is_valid() || |
| surface_info.id().local_surface_id() != current_local_surface_id_) { |
| current_local_surface_id_ = surface_info.id().local_surface_id(); |
| if (client_) |
| client_->OnSurfaceCreated(surface_info); |
| } |
| } |
| |
| void OffscreenCanvasSurfaceImpl::Require(const cc::SurfaceId& surface_id, |
| const cc::SurfaceSequence& sequence) { |
| GetSurfaceManager()->RequireSequence(surface_id, sequence); |
| } |
| |
| void OffscreenCanvasSurfaceImpl::Satisfy(const cc::SurfaceSequence& sequence) { |
| GetSurfaceManager()->SatisfySequence(sequence); |
| } |
| |
| } // namespace content |