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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.
#ifndef CHROME_RENDERER_PLUGIN_CHANNEL_HOST_H_
#define CHROME_RENDERER_PLUGIN_CHANNEL_HOST_H_
#include "base/hash_tables.h"
#include "chrome/plugin/plugin_channel_base.h"
class IsListeningFilter;
class NPObjectBase;
// Encapsulates an IPC channel between the renderer and one plugin process.
// On the plugin side there's a corresponding PluginChannel.
class PluginChannelHost : public PluginChannelBase {
public:
static PluginChannelHost* GetPluginChannelHost(
const std::string& channel_name, MessageLoop* ipc_message_loop);
virtual bool Init(MessageLoop* ipc_message_loop, bool create_pipe_now);
int GenerateRouteID();
void AddRoute(int route_id, IPC::Channel::Listener* listener,
NPObjectBase* npobject);
void RemoveRoute(int route_id);
// IPC::Channel::Listener override
void OnChannelError();
static void SetListening(bool flag);
static bool IsListening();
static void Broadcast(IPC::Message* message) {
PluginChannelBase::Broadcast(message);
}
bool expecting_shutdown() { return expecting_shutdown_; }
private:
// Called on the render thread
PluginChannelHost();
~PluginChannelHost();
static PluginChannelBase* ClassFactory() { return new PluginChannelHost(); }
void OnControlMessageReceived(const IPC::Message& message);
void OnSetException(const std::string& message);
void OnPluginShuttingDown(const IPC::Message& message);
// Keep track of all the registered WebPluginDelegeProxies to
// inform about OnChannelError
typedef base::hash_map<int, IPC::Channel::Listener*> ProxyMap;
ProxyMap proxies_;
// An IPC MessageFilter that can be told to filter out all messages. This is
// used when the JS debugger is attached in order to avoid browser hangs.
scoped_refptr<IsListeningFilter> is_listening_filter_;
// True if we are expecting the plugin process to go away - in which case,
// don't treat it as a crash.
bool expecting_shutdown_;
DISALLOW_COPY_AND_ASSIGN(PluginChannelHost);
};
#endif // CHROME_RENDERER_PLUGIN_CHANNEL_HOST_H_
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