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// Copyright 2014 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/renderer/gpu/compositor_external_begin_frame_source.h"
#include "content/common/view_messages.h"
#include "ipc/ipc_sync_channel.h"
#include "ipc/ipc_sync_message_filter.h"
namespace content {
CompositorExternalBeginFrameSource::CompositorExternalBeginFrameSource(
CompositorForwardingMessageFilter* filter,
IPC::SyncMessageFilter* sync_message_filter,
int routing_id)
: begin_frame_source_filter_(filter),
message_sender_(sync_message_filter),
routing_id_(routing_id) {
DCHECK(begin_frame_source_filter_.get());
DCHECK(message_sender_.get());
DetachFromThread();
}
CompositorExternalBeginFrameSource::~CompositorExternalBeginFrameSource() {
DCHECK(CalledOnValidThread());
if (begin_frame_source_proxy_.get()) {
begin_frame_source_proxy_->ClearBeginFrameSource();
begin_frame_source_filter_->RemoveHandlerOnCompositorThread(
routing_id_,
begin_frame_source_filter_handler_);
}
}
void CompositorExternalBeginFrameSource::OnNeedsBeginFramesChange(
bool needs_begin_frames) {
DCHECK(CalledOnValidThread());
Send(new ViewHostMsg_SetNeedsBeginFrames(routing_id_, needs_begin_frames));
}
void CompositorExternalBeginFrameSource::SetClientReady() {
DCHECK(CalledOnValidThread());
DCHECK(!begin_frame_source_proxy_.get());
begin_frame_source_proxy_ =
new CompositorExternalBeginFrameSourceProxy(this);
begin_frame_source_filter_handler_ = base::Bind(
&CompositorExternalBeginFrameSourceProxy::OnMessageReceived,
begin_frame_source_proxy_);
begin_frame_source_filter_->AddHandlerOnCompositorThread(
routing_id_,
begin_frame_source_filter_handler_);
}
void CompositorExternalBeginFrameSource::OnMessageReceived(
const IPC::Message& message) {
DCHECK(CalledOnValidThread());
DCHECK(begin_frame_source_proxy_.get());
IPC_BEGIN_MESSAGE_MAP(CompositorExternalBeginFrameSource, message)
IPC_MESSAGE_HANDLER(ViewMsg_BeginFrame, OnBeginFrame)
IPC_END_MESSAGE_MAP();
}
void CompositorExternalBeginFrameSource::OnBeginFrame(
const cc::BeginFrameArgs& args) {
DCHECK(CalledOnValidThread());
CallOnBeginFrame(args);
}
bool CompositorExternalBeginFrameSource::Send(IPC::Message* message) {
return message_sender_->Send(message);
}
} // namespace content
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