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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** 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 {
property alias title: webView.title
property alias icon: webView.icon
property alias progress: webView.progress
property alias url: webView.url
property alias back: webView.back
property alias stop: webView.stop
property alias reload: webView.reload
property alias forward: webView.forward
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 : {
// Expand (but not above 1:1) if otherwise would be smaller that available width.
if (width > webView.width*webView.contentsScale && webView.contentsScale < 1.0)
webView.contentsScale = width / webView.width * webView.contentsScale;
}
WebView {
id: webView
transformOrigin: Item.TopLeft
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
focus: true
onAlert: console.log(message)
function doZoom(zoom,centerX,centerY)
{
if (centerX) {
var sc = zoom*contentsScale;
scaleAnim.to = sc;
flickVX.from = flickable.contentX
flickVX.to = Math.max(0,Math.min(centerX-flickable.width/2,webView.width*sc-flickable.width))
finalX.value = flickVX.to
flickVY.from = flickable.contentY
flickVY.to = Math.max(0,Math.min(centerY-flickable.height/2,webView.height*sc-flickable.height))
finalY.value = flickVY.to
quickZoom.start()
}
}
Keys.onLeftPressed: webView.contentsScale -= 0.1
Keys.onRightPressed: webView.contentsScale += 0.1
preferredWidth: flickable.width
preferredHeight: flickable.height
contentsScale: 1
onContentsSizeChanged: {
// zoom out
contentsScale = Math.min(1,flickable.width / contentsSize.width)
}
onUrlChanged: {
// got to topleft
flickable.contentX = 0
flickable.contentY = 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: "contentsScale"
// the to property is set before calling
easing.type: Easing.Linear
duration: 200
}
NumberAnimation {
id: flickVX
target: flickable
property: "contentX"
easing.type: Easing.Linear
duration: 200
from: 0 // set before calling
to: 0 // set before calling
}
NumberAnimation {
id: flickVY
target: flickable
property: "contentY"
easing.type: Easing.Linear
duration: 200
from: 0 // set before calling
to: 0 // set before calling
}
}
// Have to set the contentXY, since the above 2
// size changes may have started a correction if
// contentsScale < 1.0.
PropertyAction {
id: finalX
target: flickable
property: "contentX"
value: 0 // set before calling
}
PropertyAction {
id: finalY
target: flickable
property: "contentY"
value: 0 // set before calling
}
PropertyAction {
target: webView
property: "renderingEnabled"
value: true
}
}
onZoomTo: doZoom(zoom,centerX,centerY)
}
}
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