Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
michael@0 | 3 | // found in the LICENSE file. |
michael@0 | 4 | |
michael@0 | 5 | // This file defines the type used to provide sources for NotificationService |
michael@0 | 6 | // notifications. |
michael@0 | 7 | |
michael@0 | 8 | #ifndef CHROME_COMMON_NOTIFICATION_SOURCE_H__ |
michael@0 | 9 | #define CHROME_COMMON_NOTIFICATION_SOURCE_H__ |
michael@0 | 10 | |
michael@0 | 11 | #include "base/basictypes.h" |
michael@0 | 12 | |
michael@0 | 13 | // Do not declare a NotificationSource directly--use either |
michael@0 | 14 | // "Source<sourceclassname>(sourceclasspointer)" or |
michael@0 | 15 | // NotificationService::AllSources(). |
michael@0 | 16 | class NotificationSource { |
michael@0 | 17 | public: |
michael@0 | 18 | NotificationSource(const NotificationSource& other) : ptr_(other.ptr_) { } |
michael@0 | 19 | ~NotificationSource() {} |
michael@0 | 20 | |
michael@0 | 21 | // NotificationSource can be used as the index for a map; this method |
michael@0 | 22 | // returns the pointer to the current source as an identifier, for use as a |
michael@0 | 23 | // map index. |
michael@0 | 24 | uintptr_t map_key() const { return reinterpret_cast<uintptr_t>(ptr_); } |
michael@0 | 25 | |
michael@0 | 26 | bool operator!=(const NotificationSource& other) const { |
michael@0 | 27 | return ptr_ != other.ptr_; |
michael@0 | 28 | } |
michael@0 | 29 | bool operator==(const NotificationSource& other) const { |
michael@0 | 30 | return ptr_ == other.ptr_; |
michael@0 | 31 | } |
michael@0 | 32 | |
michael@0 | 33 | protected: |
michael@0 | 34 | NotificationSource(void* ptr) : ptr_(ptr) {} |
michael@0 | 35 | |
michael@0 | 36 | void* ptr_; |
michael@0 | 37 | }; |
michael@0 | 38 | |
michael@0 | 39 | template <class T> |
michael@0 | 40 | class Source : public NotificationSource { |
michael@0 | 41 | public: |
michael@0 | 42 | Source(T* ptr) : NotificationSource(ptr) {} |
michael@0 | 43 | |
michael@0 | 44 | Source(const NotificationSource& other) |
michael@0 | 45 | : NotificationSource(other) {} |
michael@0 | 46 | |
michael@0 | 47 | T* operator->() const { return ptr(); } |
michael@0 | 48 | T* ptr() const { return static_cast<T*>(ptr_); } |
michael@0 | 49 | }; |
michael@0 | 50 | |
michael@0 | 51 | #endif // CHROME_COMMON_NOTIFICATION_SOURCE_H__ |