15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This file defines the type used to provide details for NotificationService 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// notifications. 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CONTENT_PUBLIC_BROWSER_NOTIFICATION_DETAILS_H_ 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CONTENT_PUBLIC_BROWSER_NOTIFICATION_DETAILS_H_ 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/content_export.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Do not declare a NotificationDetails directly--use either 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "Details<detailsclassname>(detailsclasspointer)" or 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NotificationService::NoDetails(). 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class CONTENT_EXPORT NotificationDetails { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationDetails() : ptr_(NULL) {} 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationDetails(const NotificationDetails& other) : ptr_(other.ptr_) {} 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~NotificationDetails() {} 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NotificationDetails can be used as the index for a map; this method 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // returns the pointer to the current details as an identifier, for use as a 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // map index. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uintptr_t map_key() const { return reinterpret_cast<uintptr_t>(ptr_); } 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool operator!=(const NotificationDetails& other) const { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ptr_ != other.ptr_; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool operator==(const NotificationDetails& other) const { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ptr_ == other.ptr_; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit NotificationDetails(const void* ptr) : ptr_(ptr) {} 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Declaring this const allows Details<T> to be used with both T = Foo and 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // T = const Foo. 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const void* ptr_; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <class T> 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Details : public NotificationDetails { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(erg): Our code hard relies on implicit conversion 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details(T* ptr) : NotificationDetails(ptr) {} // NOLINT 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details(const NotificationDetails& other) // NOLINT 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : NotificationDetails(other) {} 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) T* operator->() const { return ptr(); } 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The casts here allow this to compile with both T = Foo and T = const Foo. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) T* ptr() const { return static_cast<T*>(const_cast<void*>(ptr_)); } 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CONTENT_PUBLIC_BROWSER_NOTIFICATION_DETAILS_H_ 62