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| 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/renderer/gpu/compositor_external_begin_frame_source.h" |
| 6 |
| 7 #include "content/common/view_messages.h" |
| 8 #include "content/renderer/render_thread_impl.h" |
| 9 #include "ipc/ipc_sync_channel.h" |
| 10 #include "ipc/ipc_sync_message_filter.h" |
| 11 |
| 12 namespace content { |
| 13 |
| 14 CompositorExternalBeginFrameSource::CompositorExternalBeginFrameSource( |
| 15 int routing_id) |
| 16 : begin_frame_source_filter_( |
| 17 RenderThreadImpl::current()->compositor_message_filter()), |
| 18 message_sender_(RenderThreadImpl::current()->sync_message_filter()), |
| 19 routing_id_(routing_id) { |
| 20 DCHECK(begin_frame_source_filter_.get()); |
| 21 DCHECK(message_sender_.get()); |
| 22 DetachFromThread(); |
| 23 } |
| 24 |
| 25 CompositorExternalBeginFrameSource::~CompositorExternalBeginFrameSource() { |
| 26 DCHECK(CalledOnValidThread()); |
| 27 if (begin_frame_source_proxy_.get()) { |
| 28 begin_frame_source_proxy_->ClearBeginFrameSource(); |
| 29 begin_frame_source_filter_->RemoveRoute(routing_id_, |
| 30 begin_frame_source_filter_handler_); |
| 31 } |
| 32 } |
| 33 |
| 34 void CompositorExternalBeginFrameSource::OnNeedsBeginFramesChange( |
| 35 bool needs_begin_frames) { |
| 36 DCHECK(CalledOnValidThread()); |
| 37 Send(new ViewHostMsg_SetNeedsBeginFrame(routing_id_, needs_begin_frames)); |
| 38 } |
| 39 |
| 40 void CompositorExternalBeginFrameSource::SetClientReady() { |
| 41 DCHECK(CalledOnValidThread()); |
| 42 DCHECK(!begin_frame_source_proxy_.get()); |
| 43 begin_frame_source_proxy_ = |
| 44 new CompositorExternalBeginFrameSourceProxy(this); |
| 45 begin_frame_source_filter_handler_ = |
| 46 base::Bind(&CompositorExternalBeginFrameSourceProxy::OnMessageReceived, |
| 47 begin_frame_source_proxy_); |
| 48 begin_frame_source_filter_->AddRoute(routing_id_, |
| 49 begin_frame_source_filter_handler_); |
| 50 } |
| 51 |
| 52 void CompositorExternalBeginFrameSource::OnMessageReceived( |
| 53 const IPC::Message& message) { |
| 54 DCHECK(CalledOnValidThread()); |
| 55 DCHECK(begin_frame_source_proxy_.get()); |
| 56 IPC_BEGIN_MESSAGE_MAP(CompositorExternalBeginFrameSource, message) |
| 57 IPC_MESSAGE_HANDLER(ViewMsg_BeginFrame, OnBeginFrame); |
| 58 IPC_END_MESSAGE_MAP(); |
| 59 } |
| 60 |
| 61 void CompositorExternalBeginFrameSource::OnBeginFrame( |
| 62 const cc::BeginFrameArgs& args) { |
| 63 DCHECK(CalledOnValidThread()); |
| 64 CallOnBeginFrame(args); |
| 65 } |
| 66 |
| 67 bool CompositorExternalBeginFrameSource::Send(IPC::Message* message) { |
| 68 return message_sender_->Send(message); |
| 69 } |
| 70 |
| 71 } // namespace content |
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