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+import Qt 4.6
+
+Flickable {
+ property alias title: webView.title
+ property alias progress: webView.progress
+ property alias url: webView.url
+ property alias back: webView.back
+ property alias reload: webView.reload
+ property alias forward: webView.forward
+
+ id: flickable
+ width: parent.width
+ viewportWidth: Math.max(parent.width,webView.width*webView.scale)
+ viewportHeight: Math.max(parent.height,webView.height*webView.scale)
+ anchors.top: headerSpace.bottom
+ anchors.bottom: footer.top
+ anchors.left: parent.left
+ anchors.right: parent.right
+ pressDelay: 200
+
+ WebView {
+ id: webView
+ pixelCacheSize: 4000000
+
+ Script {
+ function fixUrl(url)
+ {
+ if (url == "") return url
+ if (url[0] == "/") return "file://"+url
+ if (url.indexOf(":")<0) {
+ if (url.indexOf(".")<0 || url.indexOf(" ")>=0) {
+ // Fall back to a search engine; hard-code Wikipedia
+ return "http://en.wikipedia.org/w/index.php?search="+url
+ } else {
+ return "http://"+url
+ }
+ }
+ return url
+ }
+ }
+
+ url: fixUrl(webBrowser.urlString)
+ smooth: false // We don't want smooth scaling, since we only scale during (fast) transitions
+ smoothCache: true // We do want smooth rendering
+ fillColor: "white"
+ focus: true
+ zoomFactor: 4
+
+ onAlert: console.log(message)
+
+ function doZoom(zoom,centerX,centerY)
+ {
+ if (centerX) {
+ var sc = zoom/contentsScale;
+ scaleAnim.to = sc;
+ flickVX.from = flickable.viewportX
+ flickVX.to = Math.max(0,Math.min(centerX-flickable.width/2,webView.width*sc-flickable.width))
+ finalX.value = flickVX.to
+ flickVY.from = flickable.viewportY
+ flickVY.to = Math.max(0,Math.min(centerY-flickable.height/2,webView.height*sc-flickable.height))
+ finalY.value = flickVY.to
+ finalZoom.value = zoom
+ quickZoom.start()
+ }
+ }
+
+ Keys.onLeftPressed: webView.contentsScale -= 0.1
+ Keys.onRightPressed: webView.contentsScale += 0.1
+
+ preferredWidth: flickable.width*zoomFactor
+ preferredHeight: flickable.height*zoomFactor
+ contentsScale: 1/zoomFactor
+ onContentsSizeChanged: {
+ // zoom out
+ contentsScale = Math.min(0.25,flickable.width / contentsSize.width)
+ }
+ onUrlChanged: {
+ // got to topleft
+ flickable.viewportX = 0
+ flickable.viewportY = 0
+ if (url != null) { header.editUrl = url.toString(); }
+ }
+ onDoubleClick: {
+ if (!heuristicZoom(clickX,clickY,2.5)) {
+ var zf = flickable.width / contentsSize.width
+ if (zf >= contentsScale)
+ zf = 2.0/zoomFactor // zoom in (else zooming out)
+ doZoom(zf,clickX*zf,clickY*zf)
+ }
+ }
+
+ SequentialAnimation {
+ id: quickZoom
+
+ PropertyAction {
+ target: webView
+ property: "renderingEnabled"
+ value: false
+ }
+ ParallelAnimation {
+ NumberAnimation {
+ id: scaleAnim
+ target: webView
+ property: "scale"
+ from: 1
+ to: 0 // set before calling
+ easing: "easeLinear"
+ duration: 200
+ }
+ NumberAnimation {
+ id: flickVX
+ target: flickable
+ property: "viewportX"
+ easing: "easeLinear"
+ duration: 200
+ from: 0 // set before calling
+ to: 0 // set before calling
+ }
+ NumberAnimation {
+ id: flickVY
+ target: flickable
+ property: "viewportY"
+ easing: "easeLinear"
+ duration: 200
+ from: 0 // set before calling
+ to: 0 // set before calling
+ }
+ }
+ PropertyAction {
+ id: finalZoom
+ target: webView
+ property: "contentsScale"
+ }
+ PropertyAction {
+ target: webView
+ property: "scale"
+ value: 1.0
+ }
+ // Have to set the viewportXY, since the above 2
+ // size changes may have started a correction if
+ // contentsScale < 1.0.
+ PropertyAction {
+ id: finalX
+ target: flickable
+ property: "viewportX"
+ value: 0 // set before calling
+ }
+ PropertyAction {
+ id: finalY
+ target: flickable
+ property: "viewportY"
+ value: 0 // set before calling
+ }
+ PropertyAction {
+ target: webView
+ property: "renderingEnabled"
+ value: true
+ }
+ }
+ onZoomTo: doZoom(zoom,centerX,centerY)
+ }
+}