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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_BROWSER_DEVICE_ORIENTATION_DISPATCHER_HOST_H_
#define CHROME_BROWSER_DEVICE_ORIENTATION_DISPATCHER_HOST_H_
#include <map>
#include "base/ref_counted.h"
#include "chrome/browser/device_orientation/provider.h"
namespace IPC { class Message; }
namespace device_orientation {
class Orientation;
class DispatcherHost : public base::RefCounted<DispatcherHost> {
public:
explicit DispatcherHost(int process_id);
bool OnMessageReceived(const IPC::Message& msg, bool* msg_was_ok);
private:
virtual ~DispatcherHost();
friend class base::RefCounted<DispatcherHost>;
void OnStartUpdating(int render_view_id);
void OnStopUpdating(int render_view_id);
// Helper class that observes a Provider and forwards updates to a RenderView.
class ObserverDelegate;
int process_id_;
// map from render_view_id to ObserverDelegate.
std::map<int, scoped_refptr<ObserverDelegate> > observers_map_;
scoped_refptr<Provider> provider_;
DISALLOW_COPY_AND_ASSIGN(DispatcherHost);
};
} // namespace device_orientation
#endif // CHROME_BROWSER_DEVICE_ORIENTATION_DISPATCHER_HOST_H_
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