Add switchable theme to tuner

Allows option in tuner to switch between system theme overlays
if multiple exist. Requires a restart to take effect.

Test: Settings -> Tuner -> Other -> Theme
Change-Id: Iea43b9cbb67fd91c6008be594ad4cfd19c3f57ec

diff --git a/core/java/android/app/IUiModeManager.aidl b/core/java/android/app/IUiModeManager.aidl
index cae54b6..848464c 100644 (file)
--- a/core/java/android/app/IUiModeManager.aidl
+++ b/core/java/android/app/IUiModeManager.aidl
@@ -53,6 +53,16 @@ interface IUiModeManager {
     int getNightMode();
 
     /**
+     * Sets whith theme overlays to use within /vendor/overlay.
+     */
+    void setTheme(String theme);
+
+    /**
+     * Gets whith theme overlays to use within /vendor/overlay.
+     */
+    String getTheme();
+
+    /**
      * Tells if UI mode is locked or not.
      */
     boolean isUiModeLocked();

diff --git a/core/java/android/app/UiModeManager.java b/core/java/android/app/UiModeManager.java
index 0046b0e..2e21729 100644 (file)
--- a/core/java/android/app/UiModeManager.java
+++ b/core/java/android/app/UiModeManager.java
@@ -241,6 +241,35 @@ public class UiModeManager {
     }
 
     /**
+     * Sets the vendor theme overlay property, then triggers a reboot.
+     * @hide
+     */
+    public void setTheme(String theme) {
+        if (mService != null) {
+            try {
+                mService.setTheme(theme);
+            } catch (RemoteException e) {
+                throw e.rethrowFromSystemServer();
+            }
+        }
+    }
+
+    /**
+     * Gets the vendor theme overlay property.
+     * @hide
+     */
+    public String getTheme() {
+        if (mService != null) {
+            try {
+                return mService.getTheme();
+            } catch (RemoteException e) {
+                throw e.rethrowFromSystemServer();
+            }
+        }
+        return null;
+    }
+
+    /**
      * Returns the currently configured night mode.
      * <p>
      * May be one of:

diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 3dea051..0f7b5a5 100644 (file)
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -3130,6 +3130,12 @@
     <permission android:name="android.permission.MANAGE_AUTO_FILL"
         android:protectionLevel="signature" />
 
+    <!-- Allows an app to set the theme overlay in /vendor/overlay
+         being used.
+         @hide  <p>Not for use by third-party applications.</p> -->
+    <permission android:name="android.permission.MODIFY_THEME_OVERLAY"
+                android:protectionLevel="signature" />
+
     <application android:process="system"
                  android:persistent="true"
                  android:hasCode="false"

diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index e07d865..0b5383a 100644 (file)
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -171,6 +171,8 @@
     <!-- shortcut manager -->
     <uses-permission android:name="android.permission.RESET_SHORTCUT_MANAGER_THROTTLING" />
 
+    <uses-permission android:name="android.permission.MODIFY_THEME_OVERLAY" />
+
     <application
         android:name=".SystemUIApplication"
         android:persistent="true"

diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index b1d81ca..331d09e 100644 (file)
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -1722,4 +1722,11 @@
         not appear on production builds ever. -->
     <string name="pip_allow_minimize_summary" translatable="false">Allow PIP to minimize slightly offscreen</string>
 
+    <!-- Tuner string -->
+    <string name="change_theme_reboot" translatable="false">Changing the theme requires a restart.</string>
+    <!-- Tuner string -->
+    <string name="theme" translatable="false">Theme</string>
+    <!-- Tuner string -->
+    <string name="default_theme" translatable="false">Default</string>
+
 </resources>

diff --git a/packages/SystemUI/res/xml/other_settings.xml b/packages/SystemUI/res/xml/other_settings.xml
index ce636cd..18cb930 100644 (file)
--- a/packages/SystemUI/res/xml/other_settings.xml
+++ b/packages/SystemUI/res/xml/other_settings.xml
@@ -23,5 +23,10 @@
             android:key="power_notification_controls"
             android:title="@string/tuner_full_importance_settings"
             android:fragment="com.android.systemui.tuner.PowerNotificationControlsFragment"/>
+e
+    <com.android.systemui.tuner.ThemePreference
+        android:key="theme"
+        android:title="@string/theme"
+        android:summary="%s" />
 
-</PreferenceScreen>
\ No newline at end of file
+</PreferenceScreen>

diff --git a/packages/SystemUI/src/com/android/systemui/SystemUIApplication.java b/packages/SystemUI/src/com/android/systemui/SystemUIApplication.java
index 99e7876..8292f85 100644 (file)
--- a/packages/SystemUI/src/com/android/systemui/SystemUIApplication.java
+++ b/packages/SystemUI/src/com/android/systemui/SystemUIApplication.java
@@ -32,6 +32,7 @@ import android.util.Log;
 import com.android.systemui.keyboard.KeyboardUI;
 import com.android.systemui.keyguard.KeyguardViewMediator;
 import com.android.systemui.media.RingtonePlayer;
+import com.android.systemui.pip.PipUI;
 import com.android.systemui.plugins.OverlayPlugin;
 import com.android.systemui.plugins.PluginListener;
 import com.android.systemui.plugins.PluginManager;
@@ -42,7 +43,6 @@ import com.android.systemui.stackdivider.Divider;
 import com.android.systemui.statusbar.SystemBars;
 import com.android.systemui.statusbar.phone.PhoneStatusBar;
 import com.android.systemui.tuner.TunerService;
-import com.android.systemui.pip.PipUI;
 import com.android.systemui.usb.StorageNotification;
 import com.android.systemui.volume.VolumeUI;
 

diff --git a/packages/SystemUI/src/com/android/systemui/tuner/ThemePreference.java b/packages/SystemUI/src/com/android/systemui/tuner/ThemePreference.java
new file mode 100644 (file)
index 0000000..e5bb3d5
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/tuner/ThemePreference.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.systemui.tuner;
+
+import android.app.AlertDialog;
+import android.app.UiModeManager;
+import android.content.Context;
+import android.os.SystemProperties;
+import android.support.v7.preference.ListPreference;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+
+import com.android.systemui.R;
+
+import libcore.util.Objects;
+
+import com.google.android.collect.Lists;
+
+import java.io.File;
+import java.util.ArrayList;
+
+public class ThemePreference extends ListPreference {
+
+    public ThemePreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public void onAttached() {
+        super.onAttached();
+        File file = new File("/vendor/overlay");
+        ArrayList<String> options = Lists.newArrayList(file.list());
+        String def = SystemProperties.get("ro.boot.vendor.overlay.theme");
+        if (TextUtils.isEmpty(def)) {
+            def = getContext().getString(R.string.default_theme);
+        }
+        if (!options.contains(def)) {
+            options.add(0, def);
+        }
+        String[] list = options.toArray(new String[options.size()]);
+        setVisible(options.size() > 1);
+        setEntries(list);
+        setEntryValues(list);
+        updateValue();
+    }
+
+    private void updateValue() {
+        setValue(getContext().getSystemService(UiModeManager.class).getTheme());
+    }
+
+    @Override
+    protected void notifyChanged() {
+        super.notifyChanged();
+        if (!Objects.equal(getValue(),
+                getContext().getSystemService(UiModeManager.class).getTheme())) {
+            new AlertDialog.Builder(getContext())
+                    .setTitle(R.string.change_theme_reboot)
+                    .setPositiveButton(com.android.internal.R.string.global_action_restart, (d, i)
+                            -> getContext().getSystemService(UiModeManager.class)
+                            .setTheme(getValue()))
+                    .setNegativeButton(android.R.string.cancel, (d, i) -> updateValue())
+                    .show();
+        }
+    }
+}

diff --git a/services/core/java/com/android/server/UiModeManagerService.java b/services/core/java/com/android/server/UiModeManagerService.java
index 2825cf9..6268697 100644 (file)
--- a/services/core/java/com/android/server/UiModeManagerService.java
+++ b/services/core/java/com/android/server/UiModeManagerService.java
@@ -39,19 +39,24 @@ import android.os.Handler;
 import android.os.IBinder;
 import android.os.PowerManager;
 import android.os.RemoteException;
+import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.service.dreams.Sandman;
 import android.util.Slog;
+import android.view.WindowManagerInternal;
+import android.view.WindowManagerPolicy;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 
 import com.android.internal.R;
 import com.android.internal.app.DisableCarModeActivity;
+import com.android.server.power.ShutdownThread;
 import com.android.server.twilight.TwilightListener;
 import com.android.server.twilight.TwilightManager;
 import com.android.server.twilight.TwilightState;
+import com.android.server.wm.WindowManagerService;
 
 final class UiModeManagerService extends SystemService {
     private static final String TAG = UiModeManager.class.getSimpleName();
@@ -297,6 +302,30 @@ final class UiModeManagerService extends SystemService {
         }
 
         @Override
+        public void setTheme(String theme) {
+            if (getContext().checkCallingOrSelfPermission(
+                    android.Manifest.permission.MODIFY_THEME_OVERLAY)
+                    != PackageManager.PERMISSION_GRANTED) {
+                Slog.e(TAG, "setTheme requires MODIFY_THEME_OVERLAY permission");
+                return;
+            }
+            SystemProperties.set("persist.vendor.overlay.theme", theme);
+            mHandler.post(() -> ShutdownThread.reboot(getContext(),
+                    PowerManager.SHUTDOWN_USER_REQUESTED, false));
+        }
+
+        @Override
+        public String getTheme() {
+            if (getContext().checkCallingOrSelfPermission(
+                    android.Manifest.permission.MODIFY_THEME_OVERLAY)
+                    != PackageManager.PERMISSION_GRANTED) {
+                Slog.e(TAG, "setTheme requires MODIFY_THEME_OVERLAY permission");
+                return null;
+            }
+            return SystemProperties.get("persist.vendor.overlay.theme");
+        }
+
+        @Override
         public int getNightMode() {
             synchronized (mLock) {
                 return mNightMode;