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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.
//
// Funnel of Chrome Extension Window Events.
#ifndef CEEE_IE_BROKER_WINDOW_EVENTS_FUNNEL_H_
#define CEEE_IE_BROKER_WINDOW_EVENTS_FUNNEL_H_
#include <wtypes.h> // For HRESULT and others...
#include "base/basictypes.h"
// Fwd.
class Value;
// Implements a set of methods to send window related events to the Chrome.
class WindowEventsFunnel {
public:
WindowEventsFunnel() {}
virtual ~WindowEventsFunnel() {}
// Un/Register our window to receive Shell Hook Notification Messages.
static void Initialize();
static void Terminate();
// Sends the windows.onCreated event to Chrome.
// @param window_id The identifier of the window that was created.
virtual HRESULT OnCreated(int window_id);
// Sends the windows.onFocusChanged event to Chrome.
// @param window_id The identifier of the window that received the focus.
virtual HRESULT OnFocusChanged(int window_id);
// Sends the windows.onRemoved event to Chrome.
// @param window_id The identifier of the window that was removed.
virtual HRESULT OnRemoved(int window_id);
protected:
// Send the given event to Chrome.
// @param event_name The name of the event.
// @param event_args The arguments to be sent with the event.
// protected virtual for testability...
virtual HRESULT SendEvent(const char* event_name,
const Value& event_args);
private:
DISALLOW_COPY_AND_ASSIGN(WindowEventsFunnel);
};
#endif // CEEE_IE_BROKER_WINDOW_EVENTS_FUNNEL_H_
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