1// Copyright (c) 2011 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CHROME_BROWSER_NATIVE_WINDOW_NOTIFICATION_SOURCE_H_ 6#define CHROME_BROWSER_NATIVE_WINDOW_NOTIFICATION_SOURCE_H_ 7 8#include "content/public/browser/notification_source.h" 9#include "ui/gfx/native_widget_types.h" 10 11namespace content { 12 13// Specialization of the Source class for native windows. On Windows, these are 14// HWNDs rather than pointers, and since the Source class expects a pointer 15// type, this is necessary. On Mac/Linux, these are pointers, so this is 16// unnecessary but harmless. 17template<> 18class Source<gfx::NativeWindow> : public content::NotificationSource { 19 public: 20 explicit Source(gfx::NativeWindow wnd) : content::NotificationSource(wnd) {} 21 22 explicit Source(const content::NotificationSource& other) 23 : content::NotificationSource(other) {} 24 25 gfx::NativeWindow operator->() const { return ptr(); } 26 gfx::NativeWindow ptr() const { 27 return static_cast<gfx::NativeWindow>(const_cast<void*>(ptr_)); 28 } 29}; 30 31} 32 33#endif // CHROME_BROWSER_NATIVE_WINDOW_NOTIFICATION_SOURCE_H_ 34