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// Copyright (c) 2012 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/java/java_bridge_channel.h"
#include "content/common/child_process.h"
#include "content/common/java_bridge_messages.h"
#include "content/common_child/plugin_messages.h"
namespace content {
JavaBridgeChannel* JavaBridgeChannel::GetJavaBridgeChannel(
const IPC::ChannelHandle& channel_handle,
base::MessageLoopProxy* ipc_message_loop) {
return static_cast<JavaBridgeChannel*>(NPChannelBase::GetChannel(
channel_handle,
IPC::Channel::MODE_CLIENT,
ClassFactory,
ipc_message_loop,
true,
ChildProcess::current()->GetShutDownEvent()));
}
JavaBridgeChannel::JavaBridgeChannel() {
}
JavaBridgeChannel::~JavaBridgeChannel() {
}
int JavaBridgeChannel::GenerateRouteID() {
// Use a control message as this going to the JavaBridgeChannelHost, not an
// injected object.
int route_id = MSG_ROUTING_NONE;
Send(new JavaBridgeMsg_GenerateRouteID(&route_id));
// This should never fail, as the JavaBridgeChannelHost should always outlive
// us.
DCHECK_NE(MSG_ROUTING_NONE, route_id);
return route_id;
}
bool JavaBridgeChannel::OnControlMessageReceived(const IPC::Message& msg) {
// We need to intercept these two message types because the default
// implementation of NPChannelBase::OnControlMessageReceived() is to
// DCHECK(false). However, we don't need to do anything, as we don't need to
// worry about the window system hanging when a modal dialog is displayed.
// This is because, unlike in the case of plugins, the host does not need to
// pump the message queue to avoid hangs.
if (msg.type() == PluginMsg_SignalModalDialogEvent::ID ||
msg.type() == PluginMsg_ResetModalDialogEvent::ID) {
return true;
}
return NPChannelBase::OnControlMessageReceived(msg);
}
} // namespace content
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