BrowserWindow.qml Example File

quicknanobrowser/BrowserWindow.qml
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** Copyright (C) 2015 The Qt Company Ltd.
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import QtQuick 2.1
import QtWebEngine 1.1
import QtQuick.Controls 1.0
import QtQuick.Controls.Styles 1.0
import QtQuick.Layouts 1.0
import QtQuick.Window 2.1
import QtQuick.Controls.Private 1.0
import QtQuick.Dialogs 1.2
import Qt.labs.settings 1.0

ApplicationWindow {
    id: browserWindow
    property QtObject applicationRoot
    property Item currentWebView: tabs.currentIndex < tabs.count ? tabs.getTab(tabs.currentIndex).item : null
    property int previousVisibility: Window.Windowed

    property bool isFullScreen: visibility == Window.FullScreen
    onIsFullScreenChanged: {
        // This is for the case where the system forces us to leave fullscreen.
        if (currentWebView && !isFullScreen) {
            currentWebView.state = ""
            if (currentWebView.isFullScreen)
                currentWebView.fullScreenCancelled()
        }
    }

    width: 1300
    height: 900
    visible: true
    title: currentWebView && currentWebView.title

    // Make sure the Qt.WindowFullscreenButtonHint is set on OS X.
    Component.onCompleted: flags = flags | Qt.WindowFullscreenButtonHint

    // Create a styleItem to determine the platform.
    // When using style "mac", ToolButtons are not supposed to accept focus.
    StyleItem { id: styleItem }
    property bool platformIsMac: styleItem.style == "mac"

    Settings {
        id : appSettings
        property alias autoLoadImages: loadImages.checked;
        property alias javaScriptEnabled: javaScriptEnabled.checked;
        property alias errorPageEnabled: errorPageEnabled.checked;
    }

    Action {
        shortcut: "Ctrl+D"
        onTriggered: {
            downloadView.visible = !downloadView.visible
        }
    }
    Action {
        id: focus
        shortcut: "Ctrl+L"
        onTriggered: {
            addressBar.forceActiveFocus();
            addressBar.selectAll();
        }
    }
    Action {
        shortcut: "Ctrl+R"
        onTriggered: {
            if (currentWebView)
                currentWebView.reload()
        }
    }
    Action {
        shortcut: "Ctrl+T"
        onTriggered: {
            tabs.createEmptyTab(currentWebView.profile)
            tabs.currentIndex = tabs.count - 1
            addressBar.forceActiveFocus();
            addressBar.selectAll();
        }
    }
    Action {
        shortcut: "Ctrl+W"
        onTriggered: {
            if (tabs.count == 1)
                browserWindow.close()
            else
                tabs.removeTab(tabs.currentIndex)
        }
    }
    Action {
        shortcut: "Escape"
        onTriggered: {
            if (browserWindow.isFullScreen)
                browserWindow.visibility = browserWindow.previousVisibility
        }
    }
    Action {
        shortcut: "Ctrl+0"
        onTriggered: currentWebView.zoomFactor = 1.0;
    }
    Action {
        shortcut: "Ctrl+-"
        onTriggered: currentWebView.zoomFactor -= 0.1;
    }
    Action {
        shortcut: "Ctrl+="
        onTriggered: currentWebView.zoomFactor += 0.1;
    }

    toolBar: ToolBar {
        id: navigationBar
            RowLayout {
                anchors.fill: parent;
                ToolButton {
                    enabled: currentWebView && (currentWebView.canGoBack || currentWebView.canGoForward)
                    menu:Menu {
                        id: historyMenu

                        Instantiator {
                            model: currentWebView && currentWebView.navigationHistory.items
                            MenuItem {
                                text: model.title
                                onTriggered: currentWebView.goBackOrForward(model.offset)
                                checkable: !enabled
                                checked: !enabled
                                enabled: model.offset
                            }

                            onObjectAdded: historyMenu.insertItem(index, object)
                            onObjectRemoved: historyMenu.removeItem(object)
                        }
                    }
                }

                ToolButton {
                    id: backButton
                    iconSource: "icons/go-previous.png"
                    onClicked: currentWebView.goBack()
                    enabled: currentWebView && currentWebView.canGoBack
                    activeFocusOnTab: !browserWindow.platformIsMac
                }
                ToolButton {
                    id: forwardButton
                    iconSource: "icons/go-next.png"
                    onClicked: currentWebView.goForward()
                    enabled: currentWebView && currentWebView.canGoForward
                    activeFocusOnTab: !browserWindow.platformIsMac
                }
                ToolButton {
                    id: reloadButton
                    iconSource: currentWebView && currentWebView.loading ? "icons/process-stop.png" : "icons/view-refresh.png"
                    onClicked: currentWebView && currentWebView.loading ? currentWebView.stop() : currentWebView.reload()
                    activeFocusOnTab: !browserWindow.platformIsMac
                }
                TextField {
                    id: addressBar
                    Image {
                        anchors.verticalCenter: addressBar.verticalCenter;
                        x: 5
                        z: 2
                        id: faviconImage
                        width: 16; height: 16
                        source: currentWebView && currentWebView.icon
                    }
                    style: TextFieldStyle {
                        padding {
                            left: 26;
                        }
                    }
                    focus: true
                    Layout.fillWidth: true
                    text: currentWebView && currentWebView.url
                    onAccepted: currentWebView.url = utils.fromUserInput(text)
                }
                ToolButton {
                    id: settingsMenuButton
                    menu: Menu {
                        MenuItem {
                            id: loadImages
                            text: "Autoload images"
                            checkable: true
                            checked: WebEngine.settings.autoLoadImages
                        }
                        MenuItem {
                            id: javaScriptEnabled
                            text: "JavaScript On"
                            checkable: true
                            checked: WebEngine.settings.javascriptEnabled
                        }
                        MenuItem {
                            id: errorPageEnabled
                            text: "ErrorPage On"
                            checkable: true
                            checked: WebEngine.settings.errorPageEnabled
                        }
                        MenuItem {
                            id: offTheRecordEnabled
                            text: "Off The Record"
                            checkable: true
                            checked: currentWebView.profile.offTheRecord
                            onToggled: currentWebView.profile = checked ? otrProfile : defaultProfile;
                        }
                        MenuItem {
                            id: httpDiskCacheEnabled
                            text: "HTTP Disk Cache"
                            checkable: !currentWebView.profile.offTheRecord
                            checked: (currentWebView.profile.httpCacheType == WebEngineProfile.DiskHttpCache)
                            onToggled: currentWebView.profile.httpCacheType = checked ? WebEngineProfile.DiskHttpCache : WebEngineProfile.MemoryHttpCache
                        }
                    }
                }
            }
            ProgressBar {
                id: progressBar
                height: 3
                anchors {
                    left: parent.left
                    top: parent.bottom
                    right: parent.right
                    leftMargin: -parent.leftMargin
                    rightMargin: -parent.rightMargin
                }
                style: ProgressBarStyle {
                    background: Item {}
                }
                z: -2;
                minimumValue: 0
                maximumValue: 100
                value: (currentWebView && currentWebView.loadProgress < 100) ? currentWebView.loadProgress : 0
            }
    }

    TabView {
        id: tabs
        function createEmptyTab(profile) {
            var tab = addTab("", tabComponent)
            // We must do this first to make sure that tab.active gets set so that tab.item gets instantiated immediately.
            tab.active = true
            tab.title = Qt.binding(function() { return tab.item.title })
            tab.item.profile = profile
            return tab
        }

        anchors.fill: parent
        Component.onCompleted: createEmptyTab(defaultProfile)

        Component {
            id: tabComponent
            WebEngineView {
                id: webEngineView
                focus: true

                onLinkHovered: {
                    if (hoveredUrl == "")
                        resetStatusText.start()
                    else {
                        resetStatusText.stop()
                        statusText.text = hoveredUrl
                    }
                }

                states: [
                    State {
                        name: "FullScreen"
                        PropertyChanges {
                            target: tabs
                            frameVisible: false
                            tabsVisible: false
                        }
                        PropertyChanges {
                            target: navigationBar
                            visible: false
                        }
                    }
                ]
                settings.autoLoadImages: appSettings.autoLoadImages
                settings.javascriptEnabled: appSettings.javaScriptEnabled
                settings.errorPageEnabled: appSettings.errorPageEnabled

                onCertificateError: {
                    error.defer()
                    sslDialog.enqueue(error)
                }

                onNewViewRequested: {
                    if (!request.userInitiated)
                        print("Warning: Blocked a popup window.")
                    else if (request.destination == WebEngineView.NewViewInTab) {
                        var tab = tabs.createEmptyTab(currentWebView.profile)
                        tabs.currentIndex = tabs.count - 1
                        request.openIn(tab.item)
                    } else if (request.destination == WebEngineView.NewViewInBackgroundTab) {
                        var tab = tabs.createEmptyTab(currentWebView.profile)
                        request.openIn(tab.item)
                    } else if (request.destination == WebEngineView.NewViewInDialog) {
                        var dialog = applicationRoot.createDialog(currentWebView.profile)
                        request.openIn(dialog.currentWebView)
                    } else {
                        var window = applicationRoot.createWindow(currentWebView.profile)
                        request.openIn(window.currentWebView)
                    }
                }

                onFullScreenRequested: {
                    if (request.toggleOn) {
                        webEngineView.state = "FullScreen"
                        browserWindow.previousVisibility = browserWindow.visibility
                        browserWindow.showFullScreen()
                    } else {
                        webEngineView.state = ""
                        browserWindow.visibility = browserWindow.previousVisibility
                    }
                    request.accept()
                }
            }
        }
    }
    MessageDialog {
        id: sslDialog

        property var certErrors: []
        icon: StandardIcon.Warning
        standardButtons: StandardButton.No | StandardButton.Yes
        title: "Server's certificate not trusted"
        text: "Do you wish to continue?"
        detailedText: "If you wish so, you may continue with an unverified certificate. " +
                      "Accepting an unverified certificate means " +
                      "you may not be connected with the host you tried to connect to.\n" +
                      "Do you wish to override the security check and continue?"
        onYes: {
            certErrors.shift().ignoreCertificateError()
            presentError()
        }
        onNo: reject()
        onRejected: reject()

        function reject(){
            certErrors.shift().rejectCertificate()
            presentError()
        }
        function enqueue(error){
            certErrors.push(error)
            presentError()
        }
        function presentError(){
            visible = certErrors.length > 0
        }
    }
    DownloadView {
        id: downloadView
        visible: false
        anchors.fill: parent
    }

    function onDownloadRequested(download) {
        downloadView.visible = true
        downloadView.append(download)
        download.accept()
    }

    Rectangle {
        id: statusBubble
        color: "oldlace"
        property int padding: 8

        anchors.left: parent.left
        anchors.bottom: parent.bottom
        width: statusText.paintedWidth + padding
        height: statusText.paintedHeight + padding

        Text {
            id: statusText
            anchors.centerIn: statusBubble
            elide: Qt.ElideMiddle

            Timer {
                id: resetStatusText
                interval: 750
                onTriggered: statusText.text = ""
            }
        }
    }
}

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.