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// Copyright (c) 2010 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/transport_texture_service.h"
#include "base/stl_util-inl.h"
#include "content/common/child_process.h"
#include "content/common/gpu_messages.h"
#include "content/renderer/transport_texture_host.h"
TransportTextureService::TransportTextureService()
: channel_(NULL),
next_host_id_(1) {
}
TransportTextureService::~TransportTextureService() {
STLDeleteElements(&pending_messages_);
}
void TransportTextureService::OnFilterAdded(IPC::Channel* channel) {
channel_ = channel;
router_.reset(new MessageRouter());
// Add all pending routes.
for (size_t i = 0; i < pending_routes_.size(); ++i)
router_->AddRoute(pending_routes_[i].first, pending_routes_[i].second);
pending_routes_.clear();
// Submit all pending messages.
for (size_t i = 0; i < pending_messages_.size(); ++i)
channel_->Send(pending_messages_[i]);
pending_messages_.clear();
}
void TransportTextureService::OnFilterRemoved() {
// TODO(hclam): Implement.
}
void TransportTextureService::OnChannelClosing() {
channel_ = NULL;
}
bool TransportTextureService::OnMessageReceived(const IPC::Message& msg) {
switch (msg.type()) {
case GpuTransportTextureHostMsg_TransportTextureCreated::ID:
case GpuTransportTextureHostMsg_CreateTextures::ID:
case GpuTransportTextureHostMsg_ReleaseTextures::ID:
case GpuTransportTextureHostMsg_TextureUpdated::ID:
if (!router_->RouteMessage(msg)) {
LOG(ERROR) << "GpuTransportTextureHostMsg cannot be dispatched.";
return false;
}
return true;
default:
return false;
}
}
scoped_refptr<TransportTextureHost>
TransportTextureService::CreateTransportTextureHost(
RendererGLContext* context, int context_route_id) {
#if !defined(OS_MACOSX)
// TODO(hclam): Check this is on Render Thread.
// Create the object and then add the route.
scoped_refptr<TransportTextureHost> host = new TransportTextureHost(
ChildProcess::current()->io_message_loop(), MessageLoop::current(),
this, this, context, context_route_id, next_host_id_);
// Add route in the IO thread.
ChildProcess::current()->io_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(this, &TransportTextureService::AddRouteInternal,
next_host_id_, host));
// Increment host ID for next object.
++next_host_id_;
return host;
#else
// TransportTextureHost has problem compiling on Mac so skip it.
return NULL;
#endif
}
void TransportTextureService::RemoveRoute(int32 host_id) {
ChildProcess::current()->io_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(this, &TransportTextureService::RemoveRouteInternal,
host_id));
}
bool TransportTextureService::Send(IPC::Message* msg) {
ChildProcess::current()->io_message_loop()->PostTask(
FROM_HERE,
NewRunnableMethod(this, &TransportTextureService::SendInternal, msg));
return true;
}
void TransportTextureService::AddRouteInternal(
int32 host_id, IPC::Channel::Listener* listener) {
DCHECK_EQ(ChildProcess::current()->io_message_loop(),
MessageLoop::current());
// If router is there then just add the route, or we have to save it.
if (router_.get())
router_->AddRoute(host_id, listener);
else
pending_routes_.push_back(std::make_pair(host_id, listener));
}
void TransportTextureService::RemoveRouteInternal(int32 host_id) {
DCHECK_EQ(ChildProcess::current()->io_message_loop(),
MessageLoop::current());
if (router_.get())
router_->RemoveRoute(host_id);
}
void TransportTextureService::SendInternal(IPC::Message* msg) {
DCHECK_EQ(ChildProcess::current()->io_message_loop(),
MessageLoop::current());
if (channel_)
channel_->Send(msg);
else
pending_messages_.push_back(msg);
}
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