xiphon
4 years ago
parent
df54439972
commit
6ed7fcec67
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// Copyright (c) 2020, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF 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 CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import QtQuick 2.9
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import QtQuick.Controls 2.2
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import QtQuick.Layouts 1.1
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import moneroComponents.Downloader 1.0
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import "../components" as MoneroComponents
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Popup {
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id: updateDialog
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property bool allowed: true
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property string error: ""
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property string filename: ""
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property double progress: url && downloader.total > 0 ? downloader.loaded * 100 / downloader.total : 0
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property bool active: false
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property string url: ""
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property bool valid: false
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property string version: ""
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background: Rectangle {
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border.color: MoneroComponents.Style.appWindowBorderColor
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border.width: 1
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color: MoneroComponents.Style.middlePanelBackgroundColor
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}
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closePolicy: Popup.NoAutoClose
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padding: 20
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visible: active && allowed
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function show(version, url) {
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updateDialog.error = "";
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updateDialog.url = url;
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updateDialog.valid = false;
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updateDialog.version = version;
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updateDialog.active = true;
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}
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ColumnLayout {
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id: mainLayout
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spacing: updateDialog.padding
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Text {
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color: MoneroComponents.Style.defaultFontColor
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font.bold: true
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font.family: MoneroComponents.Style.fontRegular.name
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font.pixelSize: 18
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text: qsTr("New Monero version v%1 is available.").arg(updateDialog.version)
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}
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Text {
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id: errorText
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color: "red"
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font.family: MoneroComponents.Style.fontRegular.name
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font.pixelSize: 18
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text: updateDialog.error
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visible: text
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}
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Text {
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id: statusText
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color: MoneroComponents.Style.defaultFontColor
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font.family: MoneroComponents.Style.fontRegular.name
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font.pixelSize: 18
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visible: !errorText.visible
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text: {
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if (!updateDialog.url) {
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return qsTr("Please visit getmonero.org for details") + translationManager.emptyString;
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}
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if (downloader.active) {
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return "%1 (%2%)"
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.arg(qsTr("Downloading"))
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.arg(updateDialog.progress.toFixed(1))
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+ translationManager.emptyString;
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}
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if (updateDialog.valid) {
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return qsTr("Download finished") + translationManager.emptyString;
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}
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return qsTr("Do you want to download new version?") + translationManager.emptyString;
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}
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}
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Rectangle {
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id: progressBar
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color: MoneroComponents.Style.lightGreyFontColor
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height: 3
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Layout.fillWidth: true
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visible: updateDialog.valid || downloader.active
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Rectangle {
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color: MoneroComponents.Style.buttonBackgroundColor
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height: parent.height
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width: parent.width * updateDialog.progress / 100
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}
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}
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RowLayout {
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Layout.alignment: Qt.AlignRight
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spacing: parent.spacing
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MoneroComponents.StandardButton {
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id: cancelButton
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fontBold: false
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primary: !updateDialog.url
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text: {
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if (!updateDialog.url) {
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return qsTr("Ok") + translationManager.emptyString;
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}
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if (updateDialog.valid || downloader.active || errorText.visible) {
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return qsTr("Cancel") + translationManager.emptyString;
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}
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return qsTr("Download later") + translationManager.emptyString;
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}
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onClicked: {
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downloader.cancel();
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updateDialog.active = false;
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}
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}
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MoneroComponents.StandardButton {
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id: downloadButton
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KeyNavigation.tab: cancelButton
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fontBold: false
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text: (updateDialog.error ? qsTr("Retry") : qsTr("Download")) + translationManager.emptyString
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visible: updateDialog.url && !updateDialog.valid && !downloader.active
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onClicked: {
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updateDialog.error = "";
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updateDialog.filename = updateDialog.url.replace(/^.*\//, '');
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const downloadingStarted = downloader.get(updateDialog.url, function(error) {
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if (error) {
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updateDialog.error = qsTr("Download failed") + translationManager.emptyString;
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} else {
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updateDialog.valid = true;
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}
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});
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if (!downloadingStarted) {
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updateDialog.error = qsTr("Failed to start download") + translationManager.emptyString;
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}
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}
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}
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MoneroComponents.StandardButton {
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id: saveButton
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KeyNavigation.tab: cancelButton
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fontBold: false
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onClicked: {
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const fullPath = oshelper.openSaveFileDialog(
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qsTr("Save as") + translationManager.emptyString,
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oshelper.downloadLocation(),
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updateDialog.filename);
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if (!fullPath) {
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return;
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}
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if (downloader.saveToFile(fullPath)) {
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cancelButton.clicked();
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oshelper.openContainingFolder(fullPath);
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} else {
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updateDialog.error = qsTr("Save operation failed") + translationManager.emptyString;
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}
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}
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text: qsTr("Save to file") + translationManager.emptyString
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visible: updateDialog.valid
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}
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}
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}
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Downloader {
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id: downloader
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}
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}
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@ -0,0 +1,207 @@
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// Copyright (c) 2020, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF 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 CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "downloader.h"
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#include <QReadLocker>
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#include <QWriteLocker>
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namespace
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{
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class DownloaderStateGuard
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{
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public:
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DownloaderStateGuard(bool &active, QReadWriteLock &mutex, std::function<void()> onActiveChanged)
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: m_active(active)
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, m_acquired(false)
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, m_mutex(mutex)
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, m_onActiveChanged(std::move(onActiveChanged))
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{
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{
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QWriteLocker locker(&m_mutex);
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if (m_active)
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{
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return;
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}
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m_active = true;
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}
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m_onActiveChanged();
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m_acquired = true;
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}
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~DownloaderStateGuard()
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{
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if (!m_acquired)
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{
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return;
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}
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{
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QWriteLocker locker(&m_mutex);
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m_active = false;
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}
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m_onActiveChanged();
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}
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bool acquired() const
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{
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return m_acquired;
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}
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private:
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bool &m_active;
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bool m_acquired;
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QReadWriteLock &m_mutex;
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std::function<void()> m_onActiveChanged;
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};
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} // namespace
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Downloader::Downloader(QObject *parent)
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: QObject(parent)
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, m_active(false)
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, m_httpClient(new HttpClient())
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, m_network(this)
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, m_scheduler(this)
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{
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QObject::connect(m_httpClient.get(), SIGNAL(contentLengthChanged()), this, SIGNAL(totalChanged()));
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QObject::connect(m_httpClient.get(), SIGNAL(receivedChanged()), this, SIGNAL(loadedChanged()));
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}
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Downloader::~Downloader()
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{
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cancel();
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}
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void Downloader::cancel()
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{
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m_httpClient->cancel();
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QWriteLocker locker(&m_mutex);
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m_contents.clear();
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}
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bool Downloader::get(const QString &url, const QJSValue &callback)
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{
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auto future = m_scheduler.run(
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[this, url]() {
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DownloaderStateGuard stateGuard(m_active, m_mutex, [this]() {
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emit activeChanged();
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});
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if (!stateGuard.acquired())
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{
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return QJSValueList({"downloading is already running"});
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}
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{
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QWriteLocker locker(&m_mutex);
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m_contents.clear();
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}
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std::string response;
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{
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QString error;
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auto task = m_scheduler.run([this, &error, &response, &url] {
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error = m_network.get(m_httpClient, url, response);
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});
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if (!task.first)
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{
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return QJSValueList({"failed to start downloading task"});
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}
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task.second.waitForFinished();
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if (!error.isEmpty())
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{
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return QJSValueList({error});
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}
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}
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if (response.empty())
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{
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return QJSValueList({"empty response"});
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}
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{
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QWriteLocker locker(&m_mutex);
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m_contents = std::move(response);
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}
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return QJSValueList({});
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},
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callback);
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return future.first;
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}
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bool Downloader::saveToFile(const QString &path) const
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{
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QWriteLocker locker(&m_mutex);
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if (m_active || m_contents.empty())
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{
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return false;
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}
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QFile file(path);
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if (!file.open(QIODevice::WriteOnly))
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{
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return false;
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}
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if (static_cast<size_t>(file.write(m_contents.data(), m_contents.size())) != m_contents.size())
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{
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return false;
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}
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return true;
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}
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bool Downloader::active() const
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{
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QReadLocker locker(&m_mutex);
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return m_active;
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}
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quint64 Downloader::loaded() const
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{
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return m_httpClient->received();
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}
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quint64 Downloader::total() const
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{
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return m_httpClient->contentLength();
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}
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