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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtDeclarative module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 import Qt 4.7 |
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43 import org.webkit 1.0 |
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44 |
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45 Flickable { |
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46 property alias title: webView.title |
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47 property alias icon: webView.icon |
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48 property alias progress: webView.progress |
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49 property alias url: webView.url |
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50 property alias back: webView.back |
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51 property alias reload: webView.reload |
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52 property alias forward: webView.forward |
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53 |
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54 id: flickable |
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55 width: parent.width |
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56 contentWidth: Math.max(parent.width,webView.width) |
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57 contentHeight: Math.max(parent.height,webView.height) |
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58 anchors.top: headerSpace.bottom |
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59 anchors.bottom: parent.top |
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60 anchors.left: parent.left |
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61 anchors.right: parent.right |
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62 pressDelay: 200 |
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63 |
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64 onWidthChanged : { |
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65 // Expand (but not above 1:1) if otherwise would be smaller that available width. |
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66 if (width > webView.width*webView.contentsScale && webView.contentsScale < 1.0) |
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67 webView.contentsScale = width / webView.width * webView.contentsScale; |
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68 } |
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69 |
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70 WebView { |
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71 id: webView |
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72 transformOrigin: Item.TopLeft |
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73 |
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74 function fixUrl(url) |
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75 { |
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76 if (url == "") return url |
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77 if (url[0] == "/") return "file://"+url |
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78 if (url.indexOf(":")<0) { |
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79 if (url.indexOf(".")<0 || url.indexOf(" ")>=0) { |
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80 // Fall back to a search engine; hard-code Wikipedia |
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81 return "http://en.wikipedia.org/w/index.php?search="+url |
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82 } else { |
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83 return "http://"+url |
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84 } |
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85 } |
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86 return url |
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87 } |
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88 |
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89 url: fixUrl(webBrowser.urlString) |
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90 smooth: false // We don't want smooth scaling, since we only scale during (fast) transitions |
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91 focus: true |
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92 zoomFactor: 1 |
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93 |
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94 onAlert: console.log(message) |
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95 |
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96 function doZoom(zoom,centerX,centerY) |
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97 { |
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98 if (centerX) { |
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99 var sc = zoom/contentsScale; |
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100 scaleAnim.to = zoom; |
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101 flickVX.from = flickable.contentX |
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102 flickVX.to = Math.max(0,Math.min(centerX-flickable.width/2,webView.width*sc-flickable.width)) |
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103 finalX.value = flickVX.to |
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104 flickVY.from = flickable.contentY |
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105 flickVY.to = Math.max(0,Math.min(centerY-flickable.height/2,webView.height*sc-flickable.height)) |
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106 finalY.value = flickVY.to |
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107 quickZoom.start() |
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108 } |
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109 } |
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110 |
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111 Keys.onLeftPressed: webView.contentsScale -= 0.1 |
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112 Keys.onRightPressed: webView.contentsScale += 0.1 |
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113 |
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114 preferredWidth: flickable.width |
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115 preferredHeight: flickable.height |
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116 contentsScale: 1/zoomFactor |
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117 onContentsSizeChanged: { |
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118 // zoom out |
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119 contentsScale = Math.min(1,flickable.width / contentsSize.width) |
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120 } |
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121 onUrlChanged: { |
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122 // got to topleft |
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123 flickable.contentX = 0 |
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124 flickable.contentY = 0 |
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125 if (url != null) { header.editUrl = url.toString(); } |
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126 } |
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127 onDoubleClick: { |
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128 if (!heuristicZoom(clickX,clickY,2.5)) { |
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129 var zf = flickable.width / contentsSize.width |
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130 if (zf >= contentsScale) |
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131 zf = 2.0/zoomFactor // zoom in (else zooming out) |
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132 doZoom(zf,clickX*zf,clickY*zf) |
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133 } |
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134 } |
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135 |
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136 SequentialAnimation { |
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137 id: quickZoom |
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138 |
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139 PropertyAction { |
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140 target: webView |
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141 property: "renderingEnabled" |
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142 value: false |
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143 } |
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144 ParallelAnimation { |
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145 NumberAnimation { |
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146 id: scaleAnim |
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147 target: webView |
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148 property: "contentsScale" |
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149 // the to property is set before calling |
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150 easing.type: Easing.Linear |
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151 duration: 200 |
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152 } |
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153 NumberAnimation { |
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154 id: flickVX |
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155 target: flickable |
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156 property: "contentX" |
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157 easing.type: Easing.Linear |
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158 duration: 200 |
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159 from: 0 // set before calling |
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160 to: 0 // set before calling |
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161 } |
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162 NumberAnimation { |
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163 id: flickVY |
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164 target: flickable |
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165 property: "contentY" |
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166 easing.type: Easing.Linear |
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167 duration: 200 |
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168 from: 0 // set before calling |
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169 to: 0 // set before calling |
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170 } |
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171 } |
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172 // Have to set the contentXY, since the above 2 |
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173 // size changes may have started a correction if |
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174 // contentsScale < 1.0. |
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175 PropertyAction { |
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176 id: finalX |
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177 target: flickable |
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178 property: "contentX" |
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179 value: 0 // set before calling |
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180 } |
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181 PropertyAction { |
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182 id: finalY |
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183 target: flickable |
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184 property: "contentY" |
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185 value: 0 // set before calling |
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186 } |
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187 PropertyAction { |
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188 target: webView |
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189 property: "renderingEnabled" |
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190 value: true |
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191 } |
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192 } |
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193 onZoomTo: doZoom(zoom,centerX,centerY) |
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194 } |
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195 } |