+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import Qt 4.7
+import QtWebKit 1.0
+
+Flickable {
+ id: flickable
+ width: parent.width
+ contentWidth: Math.max(parent.width,webView.width)
+ contentHeight: Math.max(parent.height,webView.height)
+ anchors.top: headerSpace.bottom
+ anchors.bottom: parent.top
+ anchors.left: parent.left
+ anchors.right: parent.right
+ pressDelay: 200
+ onWidthChanged : {
+ if (width > webView.width*webView.contentsScale && webView.contentsScale < 1.0)
+ webView.contentsScale = width / webView.width * webView.contentsScale;
+ }
+
+ property alias url: webView.url
+
+ function doZoom(variable) { webView.doZoom(variable,1,1) }
+
+ WebView {
+ id: webView
+ transformOrigin: Item.TopLeft
+ url: flickable.url
+ smooth: false
+ focus: true
+ preferredWidth: flickable.width
+ preferredHeight: flickable.height
+ contentsScale: 1
+ pressGrabTime: 0
+
+ function doZoom(zoom,centerX,centerY)
+ {
+ var tempX = flickable.width/2 - parent.x*zoom;
+ var tempY = flickable.height/2 - parent.y*zoom;
+ if (centerX) {
+ var sc = zoom*contentsScale;
+ scaleAnim.to = sc;
+ flickVX.from = flickable.contentX
+ flickVX.to = Math.max(0,Math.min(tempX-flickable.width/2,webView.width*sc-flickable.width))
+ finalX.value = flickVX.to
+ flickVY.from = flickable.contentY
+ flickVY.to = Math.max(0,Math.min(tempY-flickable.height/2,webView.height*sc-flickable.height))
+ finalY.value = flickVY.to
+ quickZoom.start()
+ }
+ }
+
+ onContentsSizeChanged: {
+ contentsScale = Math.min(1,flickable.width / contentsSize.width)
+ }
+
+ 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: "contentsScale"
+ easing.type: Easing.Linear
+ duration: 200
+ }
+ NumberAnimation {
+ id: flickVX
+ target: flickable
+ property: "contentX"
+ easing.type: Easing.Linear
+ duration: 200
+ from: 0
+ to: 0
+ }
+ NumberAnimation {
+ id: flickVY
+ target: flickable
+ property: "contentY"
+ easing.type: Easing.Linear
+ duration: 200
+ from: 0
+ to: 0
+ }
+ }
+ PropertyAction {
+ id: finalX
+ target: flickable
+ property: "contentX"
+ value: 0
+ }
+ PropertyAction {
+ id: finalY
+ target: flickable
+ property: "contentY"
+ value: 0
+ }
+ PropertyAction {
+ target: webView
+ property: "renderingEnabled"
+ value: true
+ }
+ }
+ onZoomTo: doZoom(zoom,centerX,centerY)
+ }
+}