1 /* |
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2 * Copyright (C) 2007 Apple Inc. All rights reserved. |
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3 * Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/ |
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4 * |
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5 * Redistribution and use in source and binary forms, with or without |
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6 * modification, are permitted provided that the following conditions |
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7 * are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * 2. Redistributions in binary form must reproduce the above copyright |
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12 * notice, this list of conditions and the following disclaimer in the |
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13 * documentation and/or other materials provided with the distribution. |
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14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
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15 * its contributors may be used to endorse or promote products derived |
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16 * from this software without specific prior written permission. |
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17 * |
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18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
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19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
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22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 */ |
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29 |
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30 #ifndef WorkQueueItemQt_h |
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31 #define WorkQueueItemQt_h |
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32 |
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33 #include <QPointer> |
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34 #include <QString> |
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35 #include <qwebframe.h> |
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36 #include <qwebpage.h> |
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37 |
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38 class WorkQueueItem { |
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39 public: |
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40 WorkQueueItem(QWebPage *page) : m_webPage(page) {} |
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41 virtual ~WorkQueueItem() { } |
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42 virtual bool invoke() const = 0; |
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43 |
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44 protected: |
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45 QPointer<QWebPage> m_webPage; |
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46 }; |
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47 |
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48 class LoadItem : public WorkQueueItem { |
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49 public: |
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50 LoadItem(const QString &url, const QString &target, QWebPage *page) |
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51 : WorkQueueItem(page) |
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52 , m_url(url) |
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53 , m_target(target) |
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54 { |
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55 } |
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56 |
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57 QString url() const { return m_url; } |
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58 QString target() const { return m_target; } |
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59 |
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60 virtual bool invoke() const; |
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61 |
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62 private: |
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63 QString m_url; |
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64 QString m_target; |
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65 }; |
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66 |
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67 class LoadHTMLStringItem : public WorkQueueItem { |
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68 public: |
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69 LoadHTMLStringItem(const QString& content, const QString &baseURL, QWebPage *page) |
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70 : WorkQueueItem(page) |
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71 , m_content(content) |
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72 , m_baseURL(baseURL) |
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73 { |
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74 } |
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75 |
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76 private: |
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77 virtual bool invoke() const; |
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78 |
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79 QString m_content; |
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80 QString m_baseURL; |
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81 }; |
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82 |
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83 class ReloadItem : public WorkQueueItem { |
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84 public: |
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85 ReloadItem(QWebPage *page) |
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86 : WorkQueueItem(page) |
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87 { |
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88 } |
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89 virtual bool invoke() const; |
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90 }; |
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91 |
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92 class ScriptItem : public WorkQueueItem { |
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93 public: |
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94 ScriptItem(const QString &script, QWebPage *page) |
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95 : WorkQueueItem(page) |
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96 , m_script(script) |
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97 { |
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98 } |
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99 |
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100 QString script() const { return m_script; } |
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101 |
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102 virtual bool invoke() const; |
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103 |
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104 private: |
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105 QString m_script; |
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106 }; |
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107 |
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108 class LoadingScriptItem : public ScriptItem { |
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109 public: |
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110 LoadingScriptItem(const QString& script, QWebPage* page) |
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111 : ScriptItem(script, page) |
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112 { |
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113 } |
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114 |
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115 virtual bool invoke() const { return ScriptItem::invoke(); } |
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116 }; |
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117 |
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118 class NonLoadingScriptItem : public ScriptItem { |
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119 public: |
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120 NonLoadingScriptItem(const QString& script, QWebPage* page) |
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121 : ScriptItem(script, page) |
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122 { |
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123 } |
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124 |
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125 virtual bool invoke() const { ScriptItem::invoke(); return false; } |
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126 }; |
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127 |
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128 |
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129 class BackForwardItem : public WorkQueueItem { |
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130 public: |
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131 virtual bool invoke() const; |
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132 |
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133 protected: |
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134 BackForwardItem(int howFar, QWebPage *page) |
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135 : WorkQueueItem(page) |
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136 , m_howFar(howFar) |
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137 { |
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138 } |
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139 |
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140 int m_howFar; |
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141 }; |
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142 |
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143 class BackItem : public BackForwardItem { |
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144 public: |
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145 BackItem(unsigned howFar, QWebPage *page) |
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146 : BackForwardItem(-howFar, page) |
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147 { |
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148 } |
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149 }; |
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150 |
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151 class ForwardItem : public BackForwardItem { |
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152 public: |
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153 ForwardItem(unsigned howFar, QWebPage *page) |
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154 : BackForwardItem(howFar, page) |
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155 { |
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156 } |
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157 }; |
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158 |
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159 #endif // !defined(WorkQueueItemQt_h) |
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