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// Copyright 2014 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 UI_VIEWS_EVENT_MONITOR_H_
#define UI_VIEWS_EVENT_MONITOR_H_
#include "base/memory/scoped_ptr.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/views/views_export.h"
namespace ui {
class EventHandler;
}
namespace views {
// RAII-style class that forwards events to |event_handler| before they are
// dispatched.
class VIEWS_EXPORT EventMonitor {
public:
virtual ~EventMonitor() {}
// Create an instance for monitoring application events.
// Events will be forwarded to |event_handler| before they are dispatched to
// the application.
static scoped_ptr<EventMonitor> CreateApplicationMonitor(
ui::EventHandler* event_handler);
// Create an instance for monitoring events on a specific window.
// Events will be forwarded to |event_handler| before they are dispatched to
// |target_window|.
// The EventMonitor instance must be destroyed before |target_window|.
static scoped_ptr<EventMonitor> CreateWindowMonitor(
ui::EventHandler* event_handler,
gfx::NativeWindow target_window);
// Returns the last mouse location seen in a mouse event in screen
// coordinates.
static gfx::Point GetLastMouseLocation();
};
} // namespace views
#endif // UI_VIEWS_EVENT_MONITOR_H_
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