Handle display of messageLocation

resolves #36

harbour-fernschreiber.pro

@@ -24,6 +24,7 @@ SOURCES += src/harbour-fernschreiber.cpp \
     src/dbusadaptor.cpp \
     src/dbusinterface.cpp \
     src/notificationmanager.cpp \
+    src/processlauncher.cpp \
     src/tdlibreceiver.cpp \
     src/tdlibwrapper.cpp
 
@@ -32,6 +33,7 @@ DISTFILES += qml/harbour-fernschreiber.qml \
     qml/components/DocumentPreview.qml \
     qml/components/ImagePreview.qml \
     qml/components/InReplyToRow.qml \
+    qml/components/LocationPreview.qml \
     qml/components/WebPagePreview.qml \
     qml/js/functions.js \
     qml/pages/ChatPage.qml \
@@ -99,6 +101,7 @@ HEADERS += \
     src/dbusadaptor.h \
     src/dbusinterface.h \
     src/notificationmanager.h \
+    src/processlauncher.h \
     src/tdlibreceiver.h \
     src/tdlibsecrets.h \
     src/tdlibwrapper.h

qml/components/LocationPreview.qml

@@ -0,0 +1,120 @@
+/*
+     Copyright (C) 2020 Sebastian J. Wolf
+
+     This file is part of Fernschreiber.
+
+     Fernschreiber is free software: you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published by
+     the Free Software Foundation, either version 3 of the License, or
+     (at your option) any later version.
+
+     Fernschreiber is distributed in the hope that it will be useful,
+     but WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+     GNU General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with Fernschreiber. If not, see <http://www.gnu.org/licenses/>.
+ */
+import QtQuick 2.5
+import QtGraphicalEffects 1.0
+import Sailfish.Silica 1.0
+
+Item {
+
+    id: imagePreviewItem
+    property variant locationData;
+    property int chatId;
+    property variant pictureFileInformation;
+
+    Component.onCompleted: {
+        updatePicture();
+    }
+
+    function updatePicture() {
+        if (locationData) {
+            tdLibWrapper.getMapThumbnailFile(chatId, locationData.latitude, locationData.longitude, Math.round(imagePreviewItem.width), Math.round(imagePreviewItem.height));
+        }
+    }
+
+    Connections {
+        target: tdLibWrapper
+        onFileUpdated: {
+            // we do not have a way of knowing if this is the correct file, so we have to guess the first new one should be right.
+            if(!imagePreviewItem.pictureFileInformation) {
+                imagePreviewItem.pictureFileInformation = fileInformation;
+                tdLibWrapper.downloadFile(imagePreviewItem.pictureFileInformation.id);
+            } else if(imagePreviewItem.pictureFileInformation && fileInformation.id === imagePreviewItem.pictureFileInformation.id) {
+                imagePreviewItem.pictureFileInformation = fileInformation;
+                singleImage.source = fileInformation.local.path;
+            }
+        }
+    }
+
+    AppNotification {
+        id: imageNotification
+    }
+
+    Image {
+        id: singleImage
+        width: parent.width - Theme.paddingSmall
+        height: parent.height - Theme.paddingSmall
+        anchors.centerIn: parent
+
+        fillMode: Image.PreserveAspectCrop
+        autoTransform: true
+        asynchronous: true
+        visible: status === Image.Ready
+        opacity: status === Image.Ready ? 1 : 0
+        Behavior on opacity { NumberAnimation {} }
+        Item {
+            anchors.centerIn: parent
+            width: markerImage.width
+            height: markerImage.height * 1.75 // 0.875 (vertical pin point) * 2
+            Image {
+                id: markerImage
+                source: 'image://theme/icon-m-location'
+            }
+
+            DropShadow {
+                anchors.fill: markerImage
+                horizontalOffset: 3
+                verticalOffset: 3
+                radius: 8.0
+                samples: 17
+                color: Theme.colorScheme ? Theme.lightPrimaryColor : Theme.darkPrimaryColor
+                source: markerImage
+            }
+        }
+
+        MouseArea {
+            anchors.fill: parent
+            onClicked: {
+                if(!processLauncher.launchProgram('harbour-pure-maps', ["geo:"+locationData.latitude+","+locationData.longitude])) {
+                    imageNotification.show(qsTr("Install Pure Maps to inspect this location."));
+                }
+            }
+            Rectangle {
+                anchors.fill: parent
+                color: Theme.rgba(Theme.highlightBackgroundColor, Theme.highlightBackgroundOpacity)
+                opacity: parent.pressed ? 1.0 : 0.0
+            }
+        }
+    }
+
+    Image {
+        id: imageLoadingBackgroundImage
+        source: "../../images/background-" + ( Theme.colorScheme ? "black" : "white" ) + "-small.png"
+        anchors {
+            centerIn: parent
+        }
+        width: parent.width - Theme.paddingMedium
+        height: parent.height - Theme.paddingMedium
+        visible: singleImage.status !== Image.Ready
+        asynchronous: true
+
+        fillMode: Image.PreserveAspectFit
+        opacity: 0.15
+    }
+
+}

qml/pages/ChatPage.qml

@@ -484,6 +484,7 @@ Page {
                                 videoPreviewLoader.active = (( display.content['@type'] === "messageVideo" ) || ( display.content['@type'] === "messageAnimation" ));
                                 audioPreviewLoader.active = (( display.content['@type'] === "messageVoiceNote" ) || ( display.content['@type'] === "messageAudio" ));
                                 documentPreviewLoader.active = ( display.content['@type'] === "messageDocument" );
+                                locationPreviewLoader.active = ( display.content['@type'] === "messageLocation" )
                             }
                         }
 
@@ -716,7 +717,25 @@ Page {
                                         width: parent.width
                                         sourceComponent: documentPreviewComponent
                                     }
+                                    Component {
+                                        id: locationPreviewComponent
+                                        LocationPreview {
+                                            id: messageLocationPreview
+                                            width: parent.width
+                                            height: parent.width * 2 / 3
+                                            chatId: display.id
+                                            locationData: ( display.content['@type'] === "messageLocation" ) ?  display.content.location : ""
+                                            visible: display.content['@type'] === "messageLocation"
+                                        }
+                                    }
 
+                                    Loader {
+                                        id: locationPreviewLoader
+                                        active: false
+                                        asynchronous: true
+                                        width: parent.width
+                                        sourceComponent: locationPreviewComponent
+                                    }
                                     Timer {
                                         id: messageDateUpdater
                                         interval: 60000

src/harbour-fernschreiber.cpp

@@ -34,6 +34,7 @@
 #include "chatmodel.h"
 #include "notificationmanager.h"
 #include "dbusadaptor.h"
+#include "processlauncher.h"
 
 int main(int argc, char *argv[])
 {
@@ -58,6 +59,9 @@ int main(int argc, char *argv[])
     NotificationManager notificationManager(tdLibWrapper);
     context->setContextProperty("notificationManager", &notificationManager);
 
+    ProcessLauncher processLauncher;
+    context->setContextProperty("processLauncher", &processLauncher);
+
     view->setSource(SailfishApp::pathTo("qml/harbour-fernschreiber.qml"));
     view->show();
     return app->exec();

src/processlauncher.cpp

@@ -0,0 +1,18 @@
+#include "processlauncher.h"
+
+#define LOG(x) qDebug() << "[ProcessLauncher]" << x
+
+ProcessLauncher::ProcessLauncher(QObject *parent) : QObject(parent)
+{
+
+}
+bool ProcessLauncher::launchProgram(const QString &program, const QStringList &arguments)
+{
+    QString executablePath = QStandardPaths::findExecutable(program);
+    if(executablePath == "") {
+        LOG("[ProcessLauncher] Program " + program + "not found");
+        return false;
+    }
+    QProcess *externalProcess = new QProcess(this);
+    return externalProcess->startDetached(program, arguments);
+}

src/processlauncher.h

@@ -0,0 +1,22 @@
+#ifndef PROCESSLAUNCHER_H
+#define PROCESSLAUNCHER_H
+
+#include <QObject>
+#include <QProcess>
+#include <QStandardPaths>
+#include <QDebug>
+
+class ProcessLauncher : public QObject
+{
+    Q_OBJECT
+public:
+    explicit ProcessLauncher(QObject *parent = nullptr);
+
+    Q_INVOKABLE bool launchProgram(const QString &program, const QStringList &arguments);
+
+signals:
+
+public slots:
+};
+
+#endif // PROCESSLAUNCHER_H

src/tdlibwrapper.cpp

@@ -360,6 +360,29 @@ void TDLibWrapper::deleteMessages(const QString &chatId, const QVariantList mess
     this->sendRequest(requestObject);
 }
 
+void TDLibWrapper::getMapThumbnailFile(const QString &chatId, const double &latitude, const double &longitude, const int &width, const int &height)
+{
+    qDebug() << "[TDLibWrapper] getting Map Thumbnail File " << chatId;
+    QVariantMap location;
+    location.insert("latitude", latitude);
+    location.insert("longitude", longitude);
+
+    // ensure dimensions are in bounds (16 - 1024)
+    int boundsWidth = std::min(std::max(width, 16), 1024);
+    int boundsHeight = std::min(std::max(height, 16), 1024);
+
+    QVariantMap requestObject;
+    requestObject.insert("@type", "getMapThumbnailFile");
+    requestObject.insert("location", location);
+    requestObject.insert("zoom", 17); //13-20
+    requestObject.insert("width", boundsWidth);
+    requestObject.insert("height", boundsHeight);
+    requestObject.insert("scale", 1); // 1-3
+    requestObject.insert("chat_id", chatId);
+
+    this->sendRequest(requestObject);
+}
+
 QVariantMap TDLibWrapper::getUserInformation()
 {
     return this->userInformation;

src/tdlibwrapper.h

@@ -99,6 +99,7 @@ public:
     Q_INVOKABLE void setChatNotificationSettings(const QString &chatId, const QVariantMap &notificationSettings);
     Q_INVOKABLE void editMessageText(const QString &chatId, const QString &messageId, const QString &message);
     Q_INVOKABLE void deleteMessages(const QString &chatId, const QVariantList messageIds);
+    Q_INVOKABLE void getMapThumbnailFile(const QString &chatId, const double &latitude, const double &longitude, const int &width, const int &height);
 
 signals:
     void versionDetected(const QString &version);

translations/harbour-fernschreiber-de.ts

@@ -289,6 +289,13 @@
         <translation>Bitte geben Sie Ihr Passwort ein:</translation>
     </message>
 </context>
+<context>
+    <name>LocationPreview</name>
+    <message>
+        <source>Install Pure Maps to inspect this location.</source>
+        <translation>Installieren Sie Pure Maps, um diesen Ort zu erkunden</translation>
+    </message>
+</context>
 <context>
     <name>NotificationManager</name>
     <message>

translations/harbour-fernschreiber-es.ts

@@ -289,6 +289,13 @@
         <translation>Por favor, introducir el código:</translation>
     </message>
 </context>
+<context>
+    <name>LocationPreview</name>
+    <message>
+        <source>Install Pure Maps to inspect this location.</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>NotificationManager</name>
     <message>

translations/harbour-fernschreiber-hu.ts

@@ -289,6 +289,13 @@
         <translation>Kérlek add meg a jelszavad:</translation>
     </message>
 </context>
+<context>
+    <name>LocationPreview</name>
+    <message>
+        <source>Install Pure Maps to inspect this location.</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>NotificationManager</name>
     <message>

translations/harbour-fernschreiber-pl.ts

@@ -289,6 +289,13 @@
         <translation>Wprowadź hasło:</translation>
     </message>
 </context>
+<context>
+    <name>LocationPreview</name>
+    <message>
+        <source>Install Pure Maps to inspect this location.</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>NotificationManager</name>
     <message>

translations/harbour-fernschreiber-zh_CN.ts

@@ -289,6 +289,13 @@
         <translation>请输入你的密码：</translation>
     </message>
 </context>
+<context>
+    <name>LocationPreview</name>
+    <message>
+        <source>Install Pure Maps to inspect this location.</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>NotificationManager</name>
     <message>

translations/harbour-fernschreiber.ts

@@ -289,6 +289,13 @@
         <translation type="unfinished"></translation>
     </message>
 </context>
+<context>
+    <name>LocationPreview</name>
+    <message>
+        <source>Install Pure Maps to inspect this location.</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>NotificationManager</name>
     <message>