Initial Bigscreen remote support

AndroidManifest.xml

@@ -206,6 +206,16 @@
                     android:scheme="kdeconnect" />
             </intent-filter>
         </activity>
+        <activity
+            android:name="org.kde.kdeconnect.Plugins.BigscreenPlugin.BigscreenActivity"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:label="@string/pref_plugin_bigscreen"
+            android:parentActivityName="org.kde.kdeconnect.UserInterface.MainActivity"
+            android:windowSoftInputMode="stateHidden|adjustResize">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value="org.kde.kdeconnect.UserInterface.MainActivity" />
+        </activity>
         <activity
             android:name="org.kde.kdeconnect.Plugins.MousePadPlugin.MousePadActivity"
             android:label="@string/pref_plugin_mousepad"

build.gradle

@@ -87,6 +87,7 @@ dependencies {
     implementation 'androidx.lifecycle:lifecycle-runtime:2.2.0'
     implementation "androidx.lifecycle:lifecycle-extensions:2.2.0"
     implementation 'androidx.lifecycle:lifecycle-common-java8:2.2.0'
+    implementation 'androidx.gridlayout:gridlayout:1.0.0'
     implementation 'com.google.android.material:material:1.1.0'
     implementation 'com.jakewharton:disklrucache:2.0.2' //For caching album art bitmaps
     implementation 'com.jaredrummler:android-device-names:1.1.9' //To get a human-friendly device name
@@ -112,3 +113,7 @@ dependencies {
     testImplementation 'org.mockito:mockito-core:2.23.0'
     testImplementation 'org.skyscreamer:jsonassert:1.3.0'
 }
+
+repositories {
+    google()
+}

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Sun Oct 27 20:27:45 CET 2019
+#Fri Mar 27 09:59:30 CET 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip

res/drawable/ic_arrow_back_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M20,11H7.83l5.59,-5.59L12,4l-8,8 8,8 1.41,-1.41L7.83,13H20v-2z"/>
+</vector>

res/drawable/ic_arrow_downward_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:pathData="M20,12l-1.41,-1.41L13,16.17V4h-2v12.17l-5.58,-5.59L4,12l8,8 8,-8z"
+        android:fillColor="#010101"/>
+</vector>

res/drawable/ic_arrow_forward_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,4l-1.41,1.41L16.17,11H4v2h12.17l-5.58,5.59L12,20l8,-8z"/>
+</vector>

res/drawable/ic_arrow_upward_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M4,12l1.41,1.41L11,7.83V20h2V7.83l5.58,5.59L20,12l-8,-8 -8,8z"/>
+</vector>

res/drawable/ic_home_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M10,20v-6h4v6h5v-8h3L12,3 2,12h3v8z"/>
+</vector>

res/drawable/ic_keyboard_return_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M19,7v4H5.83l3.58,-3.59L8,6l-6,6 6,6 1.41,-1.41L5.83,13H21V7z"/>
+</vector>

res/layout/activity_bigscreen.xml

@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.gridlayout.widget.GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:grid="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    grid:useDefaultMargins="true">
+
+    <ImageButton
+        android:id="@+id/home_button"
+        grid:layout_column="0"
+        grid:layout_row="0"
+        grid:layout_columnWeight="1"
+        grid:layout_rowWeight="1"
+        android:contentDescription="@string/bigscreen_home"
+        android:src="@drawable/ic_home_black_24dp"
+        android:theme="@style/DisableableButton" />
+
+    <ImageButton
+        android:id="@+id/up_button"
+        grid:layout_column="1"
+        grid:layout_row="0"
+        grid:layout_columnWeight="1"
+        grid:layout_rowWeight="1"
+        android:contentDescription="@string/bigscreen_up"
+        android:src="@drawable/ic_arrow_upward_black_24dp"
+        android:theme="@style/DisableableButton" />
+
+    <ImageButton
+        android:id="@+id/left_button"
+        grid:layout_column="0"
+        grid:layout_row="1"
+        grid:layout_columnWeight="1"
+        grid:layout_rowWeight="1"
+        android:contentDescription="@string/bigscreen_left"
+        android:src="@drawable/ic_arrow_back_black_24dp"
+        android:theme="@style/DisableableButton" />
+
+    <ImageButton
+        android:id="@+id/select_button"
+        grid:layout_column="1"
+        grid:layout_row="1"
+        grid:layout_columnWeight="1"
+        grid:layout_rowWeight="1"
+        android:contentDescription="@string/bigscreen_select"
+        android:src="@drawable/ic_keyboard_return_black_24dp"
+        android:theme="@style/DisableableButton" />
+
+    <ImageButton
+        android:id="@+id/right_button"
+        grid:layout_column="2"
+        grid:layout_row="1"
+        grid:layout_columnWeight="1"
+        grid:layout_rowWeight="1"
+        android:contentDescription="@string/bigscreen_right"
+        android:src="@drawable/ic_arrow_forward_black_24dp"
+        android:theme="@style/DisableableButton" />
+
+    <ImageButton
+        android:id="@+id/down_button"
+        grid:layout_column="1"
+        grid:layout_row="2"
+        grid:layout_columnWeight="1"
+        grid:layout_rowWeight="1"
+        android:contentDescription="@string/bigscreen_down"
+        android:src="@drawable/ic_arrow_downward_black_24dp"
+        android:theme="@style/DisableableButton"  />
+</androidx.gridlayout.widget.GridLayout>

res/values/strings.xml

@@ -358,4 +358,13 @@
     <string name="clipboard_android_x_incompat">Android 10 has removed clipboard access to all apps. This plugin will be disabled.</string>
     <string name="mpris_open_url">Continue playing here</string>
     <string name="cant_open_url">Can\'t open URL to continue playing</string>
+
+    <string name="bigscreen_home">Home</string>
+    <string name="bigscreen_up">Up</string>
+    <string name="bigscreen_left">Left</string>
+    <string name="bigscreen_select">Select</string>
+    <string name="bigscreen_right">Right</string>
+    <string name="bigscreen_down">Down</string>
+    <string name="pref_plugin_bigscreen">Bigscreen remote</string>
+    <string name="pref_plugin_bigscreen_desc">Use your device as a remote for Plasma Bigscreen</string>
 </resources>

src/org/kde/kdeconnect/Plugins/BigscreenPlugin/BigscreenActivity.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2014 Ahmed I. Khalil <ahmedibrahimkhali@gmail.com>
+ * Copyright 2020 Sylvia van Os <sylvia@hackerchick.me>
+ *
+ * This program 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 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>. 
+*/
+
+package org.kde.kdeconnect.Plugins.BigscreenPlugin;
+
+import android.os.Bundle;
+
+import org.kde.kdeconnect.BackgroundService;
+import org.kde.kdeconnect.UserInterface.ThemeUtil;
+import org.kde.kdeconnect_tp.R;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class BigscreenActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        ThemeUtil.setUserPreferredTheme(this);
+
+        setContentView(R.layout.activity_bigscreen);
+
+        final String deviceId = getIntent().getStringExtra("deviceId");
+
+        BackgroundService.RunWithPlugin(this, deviceId, org.kde.kdeconnect.Plugins.BigscreenPlugin.BigscreenPlugin.class, plugin -> runOnUiThread(() -> {
+            findViewById(R.id.left_button).setOnClickListener(v -> plugin.sendLeft());
+            findViewById(R.id.right_button).setOnClickListener(v -> plugin.sendRight());
+            findViewById(R.id.up_button).setOnClickListener(v -> plugin.sendUp());
+            findViewById(R.id.down_button).setOnClickListener(v -> plugin.sendDown());
+            findViewById(R.id.select_button).setOnClickListener(v -> plugin.sendSelect());
+            findViewById(R.id.home_button).setOnClickListener(v -> plugin.sendHome());
+        }));
+    }
+}
+

src/org/kde/kdeconnect/Plugins/BigscreenPlugin/BigscreenPlugin.java

@@ -0,0 +1,125 @@
+/*
+ * Copyright 2014 Ahmed I. Khalil <ahmedibrahimkhali@gmail.com>
+ * Copyright 2020 Sylvia van Os <sylvia@hackerchick.me>
+ *
+ * This program 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 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>. 
+*/
+
+package org.kde.kdeconnect.Plugins.BigscreenPlugin;
+
+
+import android.app.Activity;
+import android.content.Intent;
+import android.graphics.drawable.Drawable;
+import android.view.KeyEvent;
+
+import org.kde.kdeconnect.NetworkPacket;
+import org.kde.kdeconnect.Plugins.Plugin;
+import org.kde.kdeconnect.Plugins.PluginFactory;
+import org.kde.kdeconnect_tp.R;
+
+import androidx.core.content.ContextCompat;
+
+import static org.kde.kdeconnect.Plugins.MousePadPlugin.KeyListenerView.SpecialKeysMap;
+
+@PluginFactory.LoadablePlugin
+public class BigscreenPlugin extends Plugin {
+
+    private final static String PACKET_TYPE_MOUSEPAD_REQUEST = "kdeconnect.mousepad.request";
+
+    @Override
+    public String getDisplayName() {
+        return context.getString(R.string.pref_plugin_bigscreen);
+    }
+
+    @Override
+    public String getDescription() {
+        return context.getString(R.string.pref_plugin_bigscreen_desc);
+    }
+
+    @Override
+    public Drawable getIcon() {
+        return ContextCompat.getDrawable(context, R.drawable.ic_presenter);
+    }
+
+    @Override
+    public boolean hasSettings() {
+        return false;
+    }
+
+    @Override
+    public boolean hasMainActivity() {
+        return true;
+    }
+
+    @Override
+    public void startMainActivity(Activity parentActivity) {
+        Intent intent = new Intent(parentActivity, BigscreenActivity.class);
+        intent.putExtra("deviceId", device.getDeviceId());
+        parentActivity.startActivity(intent);
+    }
+
+    @Override
+    public String[] getSupportedPacketTypes() {  return new String[0]; }
+
+    @Override
+    public String[] getOutgoingPacketTypes() {
+        return new String[]{PACKET_TYPE_MOUSEPAD_REQUEST};
+    }
+
+    @Override
+    public String getActionName() {
+        return context.getString(R.string.pref_plugin_bigscreen);
+    }
+
+    public void sendLeft() {
+        NetworkPacket np = new NetworkPacket(PACKET_TYPE_MOUSEPAD_REQUEST);
+        np.set("specialKey", SpecialKeysMap.get(KeyEvent.KEYCODE_DPAD_LEFT));
+        device.sendPacket(np);
+    }
+
+    public void sendRight() {
+        NetworkPacket np = new NetworkPacket(PACKET_TYPE_MOUSEPAD_REQUEST);
+        np.set("specialKey", SpecialKeysMap.get(KeyEvent.KEYCODE_DPAD_RIGHT));
+        device.sendPacket(np);
+    }
+
+    public void sendUp() {
+        NetworkPacket np = new NetworkPacket(PACKET_TYPE_MOUSEPAD_REQUEST);
+        np.set("specialKey", SpecialKeysMap.get(KeyEvent.KEYCODE_DPAD_UP));
+        device.sendPacket(np);
+    }
+
+    public void sendDown() {
+        NetworkPacket np = new NetworkPacket(PACKET_TYPE_MOUSEPAD_REQUEST);
+        np.set("specialKey", SpecialKeysMap.get(KeyEvent.KEYCODE_DPAD_DOWN));
+        device.sendPacket(np);
+    }
+
+    public void sendSelect() {
+        NetworkPacket np = new NetworkPacket(PACKET_TYPE_MOUSEPAD_REQUEST);
+        np.set("specialKey", SpecialKeysMap.get(KeyEvent.KEYCODE_ENTER));
+        device.sendPacket(np);
+    }
+
+    public void sendHome() {
+        NetworkPacket np = new NetworkPacket(PACKET_TYPE_MOUSEPAD_REQUEST);
+        np.set("alt", true);
+        np.set("specialKey", SpecialKeysMap.get(KeyEvent.KEYCODE_F4));
+        device.sendPacket(np);
+    }
+}