From 48744f636f21beb01a9ad0adadef9b9cf49d09f8 Mon Sep 17 00:00:00 2001
From: Swapnil Tripathi <swapnil06.st@gmail.com>
Date: Thu, 5 Aug 2021 05:26:49 +0530
Subject: [PATCH] Added C++ client

---
 CMakeLists.txt                              |  8 +++
 android/AndroidManifest.xml                 |  2 +-
 android/src/org/kde/kasts/MediaService.java | 61 +++++++++++++++++++--
 src/CMakeLists.txt                          |  5 ++
 src/audiomanager.cpp                        |  2 +
 src/mediasessionclient.cpp                  | 16 ++++++
 src/mediasessionclient.h                    | 13 +++++
 7 files changed, 102 insertions(+), 5 deletions(-)
 create mode 100644 src/mediasessionclient.cpp
 create mode 100644 src/mediasessionclient.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c29e63c2..155b59af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,6 +53,13 @@ else()
     find_package(Qt5 ${QT_MIN_VERSION} REQUIRED COMPONENTS Widgets DBus)
 endif()
 
+if (ANDROID)
+    find_package(Qt5 ${REQUIRED_QT_VERSION} CONFIG QUIET OPTIONAL_COMPONENTS AndroidExtras)
+    set_package_properties(Qt5AndroidExtras PROPERTIES
+        DESCRIPTION "Qt5 AndroidExtras is needed to provide the Android integration."
+        TYPE REQUIRED)
+endif()
+
 add_definitions(-DQT_NO_CAST_FROM_ASCII
                 -DQT_NO_CAST_TO_ASCII
                 -DQT_NO_URL_CAST_FROM_STRING
@@ -61,6 +68,7 @@ add_definitions(-DQT_NO_CAST_FROM_ASCII
                 -DQT_DISABLE_DEPRECATED_BEFORE=0x050d00
 )
 
+
 install(PROGRAMS org.kde.kasts.desktop DESTINATION ${KDE_INSTALL_APPDIR})
 install(FILES org.kde.kasts.appdata.xml DESTINATION ${KDE_INSTALL_METAINFODIR})
 install(FILES kasts.svg DESTINATION ${KDE_INSTALL_FULL_ICONDIR}/hicolor/scalable/apps)
diff --git a/android/AndroidManifest.xml b/android/AndroidManifest.xml
index ffad021d..4dde538f 100644
--- a/android/AndroidManifest.xml
+++ b/android/AndroidManifest.xml
@@ -7,7 +7,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="org.kde.kasts"
           android:versionName="0.0.1"
-          android:versionCode="1627466509"
+          android:versionCode="1628121202"
           android:installLocation="auto">
 
     <supports-screens android:largeScreens="true" android:normalScreens="true" android:anyDensity="true" android:smallScreens="true"/>
diff --git a/android/src/org/kde/kasts/MediaService.java b/android/src/org/kde/kasts/MediaService.java
index fb14a8cc..840c6005 100644
--- a/android/src/org/kde/kasts/MediaService.java
+++ b/android/src/org/kde/kasts/MediaService.java
@@ -8,22 +8,75 @@
 package org.kde.kasts;
 
 import android.app.Service;
+import android.content.Context;
 import android.content.Intent;
 import android.os.IBinder;
 import android.os.Bundle;
 import android.support.v4.media.session.MediaSessionCompat;
+import android.support.v4.media.session.PlaybackStateCompat;
+import android.util.Log;
 
 public class MediaService extends Service {
     public static final String TAG = "MediaService";
-
     private MediaSessionCompat mSession;
-    @Override
-    public IBinder onBind(Intent intent) {
-        return null;
+
+    private class MediaSessionCallback extends MediaSessionCompat.Callback {
+        private Context mContext;
+
+        public MediaSessionCallback(Context context) {
+            super();
+
+            mContext = context;
+        }
+
+        @Override
+        public void onPlay() {
+            super.onPlay();
+
+            mSession.setActive(true);
+
+            //JNI to audiomanager play
+            //setPlaybackState for mSession
+        }
+
+        @Override
+        public void onPause() {
+            super.onPause();
+
+            //JNI to audiomanager pause
+            //setPlaybackState for mSession
+        }
+
+        @Override
+        public void onStop() {
+            super.onStop();
+
+            //JNI call to audiomanager stop
+            mSession.setActive(false);
+        }
     }
 
     @Override
     public void onCreate() {
         super.onCreate();
+
+        mSession = new MediaSessionCompat(this, TAG);
+        mSession.setFlags(
+                MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
+                MediaSessionCompat.FLAG_HANDLES_QUEUE_COMMANDS |
+                MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
+        mSession.setCallback(new MediaSessionCallback(this));
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+
+        mSession.release();
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
     }
 }
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 199c1107..b948d47d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -140,6 +140,11 @@ if(ANDROID)
         target_link_libraries(kasts PRIVATE ZLIB::ZLIB)
     endif()
 
+    target_link_libraries(kasts
+        LINK_PUBLIC
+        Qt5::AndroidExtras
+    )
+
     kirigami_package_breeze_icons(ICONS
         window-close
         window-close-symbolic
diff --git a/src/audiomanager.cpp b/src/audiomanager.cpp
index 4a75d66e..1790c6a2 100644
--- a/src/audiomanager.cpp
+++ b/src/audiomanager.cpp
@@ -12,6 +12,8 @@
 #include <QTimer>
 #include <QtMath>
 #include <algorithm>
+#include <QtAndroid>
+#include <QAndroidJniObject>
 
 #include <KLocalizedString>
 
diff --git a/src/mediasessionclient.cpp b/src/mediasessionclient.cpp
new file mode 100644
index 00000000..3cdabbaa
--- /dev/null
+++ b/src/mediasessionclient.cpp
@@ -0,0 +1,16 @@
+/**
+ * SPDX-FileCopyrightText: 2021 Swapnil Tripathi <swapnil06.st@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+ */
+
+#include "mediasessionclient.h"
+#include "audiomanager.h"
+
+#include <QtAndroid>
+
+MediaSessionClient::MediaSessionClient(QObject *parent)
+    : QObject(parent)
+{
+    //connections to be added here.
+}
diff --git a/src/mediasessionclient.h b/src/mediasessionclient.h
new file mode 100644
index 00000000..023e7421
--- /dev/null
+++ b/src/mediasessionclient.h
@@ -0,0 +1,13 @@
+/**
+ * SPDX-FileCopyrightText: 2021 Swapnil Tripathi <swapnil06.st@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+ */
+
+#pragma once
+
+class MediaSessionClient
+{
+public:
+    explicit MediaSessionClient(QObject *parent = nullptr);
+};