Merge branch 'master' of ../../qt/master

1 files changed, 162 insertions, 0 deletions

diff --git a/demos/declarative/webbrowser/content/FlickableWebView.qml b/demos/declarative/webbrowser/content/FlickableWebView.qml
new file mode 100644
index 0000000..7c46d4c
--- /dev/null
+++ b/demos/declarative/webbrowser/content/FlickableWebView.qml
@@ -0,0 +1,162 @@
+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)
+    }
+}