1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/ 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 15 * its contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef WorkQueueItem_h 31 #define WorkQueueItem_h 32 33 #include <qstring.h> 34 #include <qpointer.h> 35 #include <qwebpage.h> 36 37 class WorkQueueItem { 38 public: WorkQueueItem(QWebPage * page)39 WorkQueueItem(QWebPage *page) : m_webPage(page) {} ~WorkQueueItem()40 virtual ~WorkQueueItem() { } 41 virtual bool invoke() const = 0; 42 43 protected: 44 QPointer<QWebPage> m_webPage; 45 }; 46 47 class LoadItem : public WorkQueueItem { 48 public: LoadItem(const QString & url,const QString & target,QWebPage * page)49 LoadItem(const QString &url, const QString &target, QWebPage *page) 50 : WorkQueueItem(page) 51 , m_url(url) 52 , m_target(target) 53 { 54 } 55 url()56 QString url() const { return m_url; } target()57 QString target() const { return m_target; } 58 59 virtual bool invoke() const; 60 61 private: 62 QString m_url; 63 QString m_target; 64 }; 65 66 class ReloadItem : public WorkQueueItem { 67 public: ReloadItem(QWebPage * page)68 ReloadItem(QWebPage *page) 69 : WorkQueueItem(page) 70 { 71 } 72 virtual bool invoke() const; 73 }; 74 75 class ScriptItem : public WorkQueueItem { 76 public: ScriptItem(const QString & script,QWebPage * page)77 ScriptItem(const QString &script, QWebPage *page) 78 : WorkQueueItem(page) 79 , m_script(script) 80 { 81 } 82 script()83 QString script() const { return m_script; } 84 85 virtual bool invoke() const; 86 87 private: 88 QString m_script; 89 }; 90 91 class BackForwardItem : public WorkQueueItem { 92 public: 93 virtual bool invoke() const; 94 95 protected: BackForwardItem(int howFar,QWebPage * page)96 BackForwardItem(int howFar, QWebPage *page) 97 : WorkQueueItem(page) 98 , m_howFar(howFar) 99 { 100 } 101 102 int m_howFar; 103 }; 104 105 class BackItem : public BackForwardItem { 106 public: BackItem(unsigned howFar,QWebPage * page)107 BackItem(unsigned howFar, QWebPage *page) 108 : BackForwardItem(-howFar, page) 109 { 110 } 111 }; 112 113 class ForwardItem : public BackForwardItem { 114 public: ForwardItem(unsigned howFar,QWebPage * page)115 ForwardItem(unsigned howFar, QWebPage *page) 116 : BackForwardItem(howFar, page) 117 { 118 } 119 }; 120 121 #endif // !defined(WorkQueueItem_h) 122