254 lines
8.5 KiB
QML
254 lines
8.5 KiB
QML
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/*
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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.pageCount
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property bool _pagerVisible: (_currentState.pager && book && bookModel.pageCount) ? 1 : 0
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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: _pagerVisible ? 1 : 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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Column {
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id: loadingAnimation
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opacity: _loading ? 1 : 0
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visible: opacity > 0
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anchors.centerIn: parent
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spacing: Theme.paddingLarge
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Behavior on opacity { FadeAnimation {} }
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Item {
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width: busyIndicator.width
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height: busyIndicator.height
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anchors.horizontalCenter: parent.horizontalCenter
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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: parent
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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: bookModel.progress > 0 ? 1 : 0
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Behavior on opacity { FadeAnimation {} }
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}
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}
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Label {
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anchors.horizontalCenter: parent.horizontalCenter
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horizontalAlignment: Text.AlignHCenter
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color: Theme.highlightColor
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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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}
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