414 lines
14 KiB
QML
414 lines
14 KiB
QML
/*
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Copyright (C) 2015-2017 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 Jolla Ltd nor the names of its contributors may
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be used to endorse or promote products derived from this software
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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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//import Sailfish.Media 1.0 // Not allowed
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//import org.nemomobile.policy 1.0 // Not allowed
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SilicaFlickable {
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id: root
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property variant book
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signal closeBook()
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signal pageClicked(var page)
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property int orientation: Orientation.Portrait
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property alias stackModel: bookModel.pageStack
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property bool loading: 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: false },
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{ pager: true, page: true, title: true, tools: true }
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]
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interactive: (!linkMenu || !linkMenu.visible) &&
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(!imageView || !imageView.visible) &&
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(!footnoteView || !footnoteView.visible)
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readonly property bool viewActive: Qt.application.active && book
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readonly property bool haveVolumeUpAction: Settings.volumeUpAction !== BooksSettings.ActionNone
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readonly property bool haveVolumeDownAction: Settings.volumeDownAction !== BooksSettings.ActionNone
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readonly property bool haveKeyAction: haveVolumeUpAction || haveVolumeDownAction
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property var linkMenu
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property var imageView
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property var footnoteView
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function hideViews() {
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if (linkMenu) linkMenu.hide()
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if (imageView) imageView.hide()
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if (footnoteView) footnoteView.hide()
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}
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onOrientationChanged: {
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if (footnoteView) {
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footnoteView.cancel()
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}
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}
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Component {
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id: linkMenuComponent
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BooksLinkMenu { }
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}
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Component {
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id: imageViewComponent
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BooksImageView { }
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}
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Component {
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id: footnoteViewComponent
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BooksFootnoteView { }
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}
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PullDownMenu {
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MenuItem {
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//% "Back to library"
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text: qsTrId("harbour-books-book-view-back")
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onClicked: root.closeBook()
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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: bookViewWatcher.size
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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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}
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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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interactive: root.interactive
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readonly property real maxContentX: Math.max(0, contentWidth - width)
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readonly property int currentPage: stackModel.currentPage
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property bool completed
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Component.onCompleted: {
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//console.log(currentPage)
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bookViewWatcher.positionViewAtIndex(currentPage)
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completed = true
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}
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onCurrentPageChanged: {
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//console.log(currentPage, completed, flicking)
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if (completed && !flicking) {
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bookViewWatcher.positionViewAtIndex(currentPage)
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}
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}
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onFlickingChanged: {
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if (!flicking) {
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bookViewWatcher.updateModel()
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}
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}
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ListWatcher {
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id: bookViewWatcher
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listView: bookView
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onCurrentIndexChanged: {
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if (listView.completed && !listView.flicking && currentIndex >= 0) {
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//console.log(currentIndex, listView.completed, listView.flicking)
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updateModel()
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}
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}
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function updateModel() {
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hideViews()
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//console.trace()
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stackModel.currentPage = currentIndex
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if (!pager.pressed) {
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pager.currentPage = currentIndex
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}
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}
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}
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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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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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leftSpaceReserved: pageTools.visible ? pageTools.leftSpaceUsed : 0
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rightSpaceReserved: pageTools.visible ? pageTools.rightSpaceUsed: 0
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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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onJumpToPage: bookView.jumpTo(page)
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onPushPosition: stackModel.pushPosition(position) // bookView.jumpTo(page)
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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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onImagePressed: {
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if (bookViewWatcher.currentIndex == index) {
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if (!imageView) {
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imageView = imageViewComponent.createObject(root)
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}
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imageView.show(url,rect)
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}
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}
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onBrowserLinkPressed: {
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if (bookViewWatcher.currentIndex == index) {
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if (!linkMenu) {
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linkMenu = linkMenuComponent.createObject(root)
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}
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linkMenu.show(url)
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}
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}
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onFootnotePressed: {
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if (bookViewWatcher.currentIndex == index) {
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if (!footnoteView) {
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footnoteView = footnoteViewComponent.createObject(root)
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}
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footnoteView.show(touchX,touchY,text,url)
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}
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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 !== bookViewWatcher.currentIndex) {
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jumpingTo = page
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bookViewWatcher.positionViewAtIndex(page)
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pager.currentPage = page
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jumpingTo = -1
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if (bookViewWatcher.currentIndex !== 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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function prevPage() {
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if (!scrollAnimation.running && contentX > 0) {
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hideViews();
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scrollAnimation.from = contentX
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scrollAnimation.to = Math.max(0, contentX - width - spacing)
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scrollAnimation.start()
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}
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}
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function nextPage() {
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if (!scrollAnimation.running && contentX < maxContentX) {
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hideViews();
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scrollAnimation.from = contentX
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scrollAnimation.to = Math.min(maxContentX, contentX + width + spacing)
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scrollAnimation.start()
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}
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}
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NumberAnimation {
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id: scrollAnimation
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target: bookView
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property: "contentX"
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duration: 500
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easing.type: Easing.InOutQuad
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}
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Behavior on opacity { FadeAnimation {} }
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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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console.log("resetting pager to", bookViewWatcher.currentIndex)
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pager.currentPage = bookViewWatcher.currentIndex
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}
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}
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BooksPageTools {
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id: pageTools
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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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}
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leftMargin: bookModel.leftMargin
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rightMargin: bookModel.rightMargin
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opacity: _currentState.tools ? 1 : 0
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visible: opacity > 0 && book && bookModel.pageCount && !loading
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Behavior on opacity { FadeAnimation {} }
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onIncreaseFontSize: bookModel.increaseFontSize()
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onDecreaseFontSize: bookModel.decreaseFontSize()
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}
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BooksPager {
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id: pager
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anchors {
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left: parent.left
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right: parent.right
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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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leftMargin: bookModel.leftMargin
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rightMargin: bookModel.rightMargin
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stack: stackModel
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pageCount: bookModel.pageCount
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width: parent.width
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opacity: (_currentState.pager && book && bookModel.pageCount) ? 0.75 : 0
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visible: opacity > 0
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onPageChanged: bookView.jumpTo(page)
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Behavior on opacity { FadeAnimation {} }
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}
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}
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BooksTitleLabel {
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id: titleLabel
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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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text: bookModel.title
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height: Theme.itemSizeExtraSmall
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color: Theme.highlightColor
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opacity: loading ? 0.6 : 0
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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.fill: busyIndicator
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text: bookModel.progress > 0 ? bookModel.progress : ""
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opacity: (loading && bookModel.progress > 0) ? 1 : 0
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}
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Button {
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//% "Cancel"
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text: qsTrId("harbour-books-book-view-cancel_loading")
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height: Theme.itemSizeLarge
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anchors {
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bottom: parent.bottom
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horizontalCenter: parent.horizontalCenter
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}
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onClicked: root.closeBook()
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enabled: loading && bookModel.resetReason === BookModel.ReasonLoading
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visible: opacity > 0
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opacity: enabled ? 1.0 : 0.0
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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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text: bookModel ? (bookModel.resetReason == BookModel.ReasonLoading ?
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//% "Loading..."
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qsTrId("harbour-books-book-view-loading") :
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bookModel.resetReason == BookModel.ReasonIncreasingFontSize ?
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//% "Applying larger fonts..."
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qsTrId("harbour-books-book-view-applying_larger_fonts") :
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bookModel.resetReason == BookModel.ReasonDecreasingFontSize ?
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//% "Applying smaller fonts..."
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qsTrId("harbour-books-book-view-applying_smaller_fonts") :
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//% "Formatting..."
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qsTrId("harbour-books-book-view-formatting")) : ""
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}
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function performAction(action)
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{
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switch (action) {
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case BooksSettings.ActionPreviousPage:
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bookView.prevPage()
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return
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case BooksSettings.ActionNextPage:
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bookView.nextPage()
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return
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}
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}
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MediaKey {
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enabled: viewActive && haveVolumeUpAction
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key: Qt.Key_VolumeUp
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onPressed: volumeUpAction()
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onRepeat: volumeUpAction()
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function volumeUpAction() {
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performAction(Settings.volumeUpAction)
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}
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}
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MediaKey {
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enabled: viewActive && haveVolumeDownAction
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key: Qt.Key_VolumeDown
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onPressed: volumeDownAction()
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onRepeat: volumeDownAction()
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function volumeDownAction() {
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performAction(Settings.volumeDownAction)
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}
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}
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Permissions {
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enabled: viewActive && haveKeyAction
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autoRelease: true
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applicationClass: "camera"
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Resource {
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id: volumeKeysResource
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type: Resource.ScaleButton
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optional: true
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}
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}
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}
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