213828811c
The situation when device is rotated before the current paging task has completed wasn't handled correctly. E.g. current book position wasn't restored after rotating the device back, page count in the progress indicator wasn't restarted etc.
247 lines
8.2 KiB
QML
247 lines
8.2 KiB
QML
/*
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Copyright (C) 2015 Jolla Ltd.
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Contact: Slava Monich <slava.monich@jolla.com>
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You may use this file under the terms of BSD license as follows:
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the Jolla Ltd nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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THE POSSIBILITY OF SUCH DAMAGE.
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*/
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import QtQuick 2.0
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import Sailfish.Silica 1.0
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import harbour.books 1.0
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SilicaFlickable {
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id: root
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property variant book
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property variant settings
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signal closeBook()
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signal pageClicked(var page)
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property int _currentPage: bookListWatcher.currentIndex
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property bool _loading: minLoadingDelay.running || bookModel.loading
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property var _currentState: _visibilityStates[settings.pageDetails % _visibilityStates.length]
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readonly property var _visibilityStates: [
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{ pager: false, page: false, title: false, tools: false },
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{ pager: false, page: true, title: true, tools: false },
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{ pager: true, page: true, title: true, tools: true }
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]
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PullDownMenu {
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MenuItem {
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id: defaultFontMenuItem
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//% "Use default fonts"
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text: qsTrId("book-font-default")
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enabled: settings.fontSize != Settings.DefaultFontSize
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onClicked: settings.fontSize = Settings.DefaultFontSize
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}
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MenuItem {
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id: smallerFontMenuItem
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//% "Use smaller fonts"
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text: qsTrId("book-font-smaller")
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enabled: settings.fontSize >= Settings.MinFontSize
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onClicked: settings.fontSize -= 1
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}
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MenuItem {
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id: largerFontMenuItem
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//% "Use larger fonts"
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text: qsTrId("book-font-larger")
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enabled: settings.fontSize <= Settings.MaxFontSize
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onClicked: settings.fontSize += 1
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}
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MenuItem {
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//% "Back to library"
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text: qsTrId("book-view-back")
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onClicked: root.closeBook()
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}
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// Remove disabled items from the menu when we have a chance
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onActiveChanged: if (!active) hideDisabledItems()
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Component.onCompleted: hideDisabledItems()
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function hideDisabledItems() {
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defaultFontMenuItem.visible = defaultFontMenuItem.enabled
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smallerFontMenuItem.visible = smallerFontMenuItem.enabled
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largerFontMenuItem.visible = largerFontMenuItem.enabled
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}
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}
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Timer {
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id: minLoadingDelay
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interval: 1000
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}
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Timer {
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id: resetPager
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interval: 0
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onTriggered: {
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if (_currentPage >= 0) {
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console.log("resetting pager to", _currentPage)
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pager.currentPage = _currentPage
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}
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}
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}
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BookModel {
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id: bookModel
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book: root.book ? root.book : null
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size: bookListWatcher.size
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currentPage: _currentPage
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leftMargin: Theme.horizontalPageMargin
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rightMargin: Theme.horizontalPageMargin
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topMargin: Theme.itemSizeSmall
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bottomMargin: Theme.itemSizeSmall
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settings: root.settings
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onJumpToPage: bookView.jumpTo(index)
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onCurrentPageChanged: {
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if (currentPage >= 0 && bookView._jumpingTo < 0) {
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pager.currentPage = currentPage
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}
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}
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onLoadingChanged: {
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if (loading && !pageCount) {
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minLoadingDelay.start()
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bookView._jumpingTo = -1
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}
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}
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}
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ListWatcher {
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id: bookListWatcher
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listView: bookView
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}
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SilicaListView {
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id: bookView
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model: bookModel
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anchors.fill: parent
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flickDeceleration: maximumFlickVelocity
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orientation: ListView.Horizontal
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snapMode: ListView.SnapOneItem
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spacing: Theme.paddingMedium
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opacity: _loading ? 0 : 1
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visible: opacity > 0
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delegate: BooksPageView {
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width: bookView.width
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height: bookView.height
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model: bookModel
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page: index
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settings: root.settings
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leftMargin: bookModel.leftMargin
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rightMargin: bookModel.rightMargin
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topMargin: bookModel.topMargin
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bottomMargin: bookModel.bottomMargin
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titleVisible: _currentState.title
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pageNumberVisible: _currentState.page
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title: bookModel.title
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onPageClicked: {
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root.pageClicked(index)
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settings.pageDetails = (settings.pageDetails+ 1) % _visibilityStates.length
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}
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}
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property int _jumpingTo: -1
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function jumpTo(page) {
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if (page >=0 && page !== _currentPage) {
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_jumpingTo = page
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positionViewAtIndex(page, ListView.Center)
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_jumpingTo = -1
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if (_currentPage !== page) {
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console.log("oops, still at", _currentPage)
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resetPager.restart()
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}
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}
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}
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Behavior on opacity { FadeAnimation {} }
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}
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/*
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BooksPageTools {
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anchors {
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top: parent.top
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left: parent.left
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right: parent.right
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leftMargin: bookModel.leftMargin
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rightMargin: bookModel.rightMargin
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}
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opacity: _currentState.tools ? 1 : 0
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visible: opacity > 0
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Behavior on opacity { FadeAnimation {} }
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}
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*/
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BooksPager {
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id: pager
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anchors {
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bottom: parent.bottom
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bottomMargin: (Theme.itemSizeExtraSmall + 2*(bookModel.bottomMargin - height))/4
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}
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pageCount: bookModel.pageCount
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width: parent.width
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opacity: _currentState.pager ? 1 : 0
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visible: opacity > 0 && book && bookModel.pageCount && !_loading
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onPageChanged: bookView.jumpTo(page)
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Behavior on opacity { FadeAnimation {} }
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}
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BusyIndicator {
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id: busyIndicator
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anchors.centerIn: parent
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size: BusyIndicatorSize.Large
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running: _loading
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}
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BooksFitLabel {
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anchors {
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fill: busyIndicator
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margins: Theme.paddingMedium
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}
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maxFontSize: Theme.fontSizeMedium
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verticalAlignment: Text.AlignVCenter
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horizontalAlignment: Text.AlignHCenter
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color: Theme.highlightColor
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text: bookModel.progress > 0 ? bookModel.progress : ""
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visible: opacity > 0
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opacity: (_loading && bookModel.progress) > 0 ? 1 : 0
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Behavior on opacity { FadeAnimation {} }
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}
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Label {
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anchors {
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top: busyIndicator.bottom
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topMargin: Theme.paddingLarge
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horizontalCenter: busyIndicator.horizontalCenter
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}
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horizontalAlignment: Text.AlignHCenter
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color: Theme.highlightColor
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opacity: _loading ? 1 : 0
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visible: opacity > 0
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Behavior on opacity { FadeAnimation {} }
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//% "Loading..."
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text: qsTrId("book-view-loading")
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}
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}
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