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* Copyright 2013 Canonical Ltd.
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* This file is part of webbrowser-app.
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* webbrowser-app is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 3.
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* webbrowser-app is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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import QtWebKit.experimental 1.0
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import Ubuntu.Components 0.1
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import Ubuntu.Components.Extras.Browser 0.1
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import Ubuntu.Components.Popups 0.1
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\inqmlmodule Ubuntu.Components.Extras.Browser 0.1
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\brief Custom Ubuntu WebView extending QtWebKit’s WebView
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This version of UbuntuWebView is deprecated and shouldn’t be used in new
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code. Use version 0.2 or higher instead.
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signal newTabRequested(url url)
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property real devicePixelRatio: QtWebKitDPR
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onDevicePixelRatioChanged: {
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// Do not make this patch to QtWebKit a hard requirement.
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if (_webview.experimental.hasOwnProperty('devicePixelRatio')) {
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_webview.experimental.devicePixelRatio = devicePixelRatio
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interactive: !selection.visible
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maximumFlickVelocity: height * 5
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* Client overridable function called before the default treatment of a
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* valid navigation request. This function can stop the navigation request
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* if it sets the 'action' field of the request to IgnoreRequest.
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function navigationRequestedDelegate(request) { }
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* This function can be overridden by client applications that embed an
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* UbuntuWebView to provide a static overridden UA string.
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* If not overridden, the default UA string and the default override
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* mechanism will be used.
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function getUAString() {
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// Note that this function used to accept a 'url' parameter to allow
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// embedders to implement a custom override mechanism. It was removed
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// after observing that no application was using it, and to simplify
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// the API. Embedders willing to provide a custom override mechanism
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// can always override (at their own risk) the onNavigationRequested
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experimental.userAgent: (_webview.getUAString() === undefined) ? userAgent.defaultUA : _webview.getUAString()
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onNavigationRequested: {
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request.action = WebView.AcceptRequest;
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navigationRequestedDelegate (request);
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if (request.action === WebView.IgnoreRequest)
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var staticUA = _webview.getUAString()
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if (staticUA === undefined) {
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_webview.experimental.userAgent = userAgent.getUAString(request.url)
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_webview.experimental.userAgent = staticUA
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experimental.preferences.navigatorQtObjectEnabled: true
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experimental.userScripts: [Qt.resolvedUrl("hyperlinks.js"),
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Qt.resolvedUrl("selection01.js")]
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experimental.onMessageReceived: {
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data = JSON.parse(message.data)
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console.debug('DEBUG:', message.data)
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if ('event' in data) {
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if (data.event === 'longpress') {
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if (('img' in data) || ('href' in data)) {
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contextualData.clear()
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contextualData.img = data.img
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if ('href' in data) {
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contextualData.href = data.href
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contextualData.title = data.title
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contextualRectangle.position(data)
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PopupUtils.open(contextualPopover, contextualRectangle)
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if ((data.event === 'longpress') || (data.event === 'selectionadjusted')) {
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selection.clearData()
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selection.createData()
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if ('html' in data) {
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selection.mimedata.html = data.html
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// FIXME: push the text and image data in the order
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// they appear in the selected block.
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if ('text' in data) {
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selection.mimedata.text = data.text
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if ('images' in data) {
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// TODO: download and cache the images locally
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// (grab them from the webview’s cache, if possible),
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// and forward local URLs.
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selection.mimedata.urls = data.images
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selection.show(data.left, data.top, data.width, data.height)
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} else if (data.event === 'newtab') {
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newTabRequested(data.url)
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experimental.itemSelector: ItemSelector01 {}
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property alias selection: selection
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property ActionList selectionActions
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property Item __popover: null
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property var mimedata: null
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ActionSelectionPopover {
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grabDismissAreaEvents: false
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actions: selectionActions
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function createData() {
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if (mimedata === null) {
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mimedata = Clipboard.newData()
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function clearData() {
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if (mimedata !== null) {
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function actionTriggered() {
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selection.visible = false
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function __showPopover() {
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__popover = PopupUtils.open(selectionPopover, selection.rect)
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var actions = __popover.actions.actions
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for (var i in actions) {
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actions[i].onTriggered.connect(actionTriggered)
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function show(x, y, width, height) {
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var scale = _webview.experimental.test.contentsScale * _webview.experimental.test.devicePixelRatio
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rect.x = x * scale + _webview.contentX
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rect.y = y * scale + _webview.contentY
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rect.width = width * scale
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rect.height = height * scale
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if (!visible && (__popover != null)) {
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PopupUtils.close(__popover)
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var message = new Object
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message.query = 'adjustselection'
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var rect = selection.rect
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var scale = _webview.experimental.test.contentsScale * _webview.experimental.test.devicePixelRatio
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message.left = (rect.x - _webview.contentX) / scale
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message.right = (rect.x + rect.width - _webview.contentX) / scale
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message.top = (rect.y - _webview.contentY) / scale
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message.bottom = (rect.y + rect.height - _webview.contentY) / scale
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_webview.experimental.postMessage(JSON.stringify(message))
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Clipboard.push(mimedata)
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id: contextualRectangle
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function position(data) {
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var scale = _webview.experimental.test.contentsScale * _webview.experimental.test.devicePixelRatio
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x = data.left * scale
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width = data.width * scale
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height = data.height * scale
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property QtObject contextualData: QtObject {
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property string title
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property ActionList contextualActions
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id: contextualPopover
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ActionSelectionPopover {
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actions: contextualActions
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parent: _webview.parent
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flickableItem: _webview
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align: Qt.AlignTrailing
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parent: _webview.parent
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flickableItem: _webview
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align: Qt.AlignBottom
added
removed
src/Ubuntu/Components/Extras/Browser/UbuntuWebView01.qml
