Update SoundSettings to extend DashboardFragment.

- initial round of refactoring SoundSettings to use DashboardFragment.
- add controller for Cast, Do not disturb, Alarm volume, Media volume,
  Ring volume and Notification volume.

Bug: 32276590
Test: make RunSettingsRoboTests
Change-Id: I5c02a344bff5117bfce93d7ccac650fccc82d2b0

1 files changed, 207 insertions, 0 deletions

diff --git a/src/com/android/settings/notification/RingVolumePreferenceController.java b/src/com/android/settings/notification/RingVolumePreferenceController.java
new file mode 100644
index 0000000000..2297837680
--- /dev/null
+++ b/src/com/android/settings/notification/RingVolumePreferenceController.java
@@ -0,0 +1,207 @@
+/*
+ * 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.settings.notification;
+
+import android.app.NotificationManager;
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.content.pm.ServiceInfo;
+import android.media.AudioManager;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.os.Vibrator;
+import android.util.Log;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.settings.Utils;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.notification.VolumeSeekBarPreference.Callback;
+
+import java.util.Objects;
+
+public class RingVolumePreferenceController extends VolumeSeekBarPreferenceController {
+
+    private static final String TAG = "RingVolumeController";
+    private static final String KEY_RING_VOLUME = "ring_volume";
+
+    private AudioManager mAudioManager;
+    private Vibrator mVibrator;
+    private int mRingerMode = -1;
+    private ComponentName mSuppressor;
+    private final RingReceiver mReceiver = new RingReceiver();
+    private final H mHandler = new H();
+    private AudioHelper mHelper;
+
+    public RingVolumePreferenceController(Context context, Callback callback, Lifecycle lifecycle) {
+        this(context, callback, lifecycle, new AudioHelper(context));
+    }
+
+    @VisibleForTesting
+    RingVolumePreferenceController(Context context, Callback callback, Lifecycle lifecycle,
+        AudioHelper helper) {
+        super(context, callback, lifecycle);
+        mHelper = helper;
+        mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
+        mVibrator = (Vibrator) mContext.getSystemService(Context.VIBRATOR_SERVICE);
+        if (mVibrator != null && !mVibrator.hasVibrator()) {
+            mVibrator = null;
+        }
+        updateRingerMode();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        mReceiver.register(true);
+        updateEffectsSuppressor();
+        updatePreferenceIcon();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        mReceiver.register(false);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_RING_VOLUME;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return Utils.isVoiceCapable(mContext) && !mHelper.isSingleVolume();
+    }
+
+    @Override
+    public int getAudioStream() {
+        return AudioManager.STREAM_RING;
+    }
+
+    @Override
+    public int getMuteIcon() {
+        return com.android.internal.R.drawable.ic_audio_ring_notif_mute;
+    }
+
+    private void updateRingerMode() {
+        final int ringerMode = mAudioManager.getRingerModeInternal();
+        if (mRingerMode == ringerMode) return;
+        mRingerMode = ringerMode;
+        updatePreferenceIcon();
+    }
+
+    private boolean wasRingerModeVibrate() {
+        return mVibrator != null && mRingerMode == AudioManager.RINGER_MODE_SILENT
+            && mAudioManager.getLastAudibleStreamVolume(AudioManager.STREAM_RING) == 0;
+    }
+
+    private void updateEffectsSuppressor() {
+        final ComponentName suppressor = NotificationManager.from(mContext).getEffectsSuppressor();
+        if (Objects.equals(suppressor, mSuppressor)) return;
+        mSuppressor = suppressor;
+        if (mPreference != null) {
+            final String text = suppressor != null ?
+                mContext.getString(com.android.internal.R.string.muted_by,
+                    getSuppressorCaption(suppressor)) : null;
+            mPreference.setSuppressionText(text);
+        }
+        updatePreferenceIcon();
+    }
+
+    private void updatePreferenceIcon() {
+        if (mPreference != null) {
+            mPreference.showIcon(mSuppressor != null
+                ? com.android.internal.R.drawable.ic_audio_ring_notif_mute
+                : mRingerMode == AudioManager.RINGER_MODE_VIBRATE || wasRingerModeVibrate()
+                    ? com.android.internal.R.drawable.ic_audio_ring_notif_vibrate
+                    : com.android.internal.R.drawable.ic_audio_ring_notif);
+        }
+    }
+
+    private String getSuppressorCaption(ComponentName suppressor) {
+        final PackageManager pm = mContext.getPackageManager();
+        try {
+            final ServiceInfo info = pm.getServiceInfo(suppressor, 0);
+            if (info != null) {
+                final CharSequence seq = info.loadLabel(pm);
+                if (seq != null) {
+                    final String str = seq.toString().trim();
+                    if (str.length() > 0) {
+                        return str;
+                    }
+                }
+            }
+        } catch (Throwable e) {
+            Log.w(TAG, "Error loading suppressor caption", e);
+        }
+        return suppressor.getPackageName();
+    }
+
+    private final class H extends Handler {
+        private static final int UPDATE_EFFECTS_SUPPRESSOR = 1;
+        private static final int UPDATE_RINGER_MODE = 2;
+
+        private H() {
+            super(Looper.getMainLooper());
+        }
+
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case UPDATE_EFFECTS_SUPPRESSOR:
+                    updateEffectsSuppressor();
+                    break;
+                case UPDATE_RINGER_MODE:
+                    updateRingerMode();
+                    break;
+            }
+        }
+    }
+
+    private class RingReceiver extends BroadcastReceiver {
+        private boolean mRegistered;
+
+        public void register(boolean register) {
+            if (mRegistered == register) return;
+            if (register) {
+                final IntentFilter filter = new IntentFilter();
+                filter.addAction(NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED);
+                filter.addAction(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION);
+                mContext.registerReceiver(this, filter);
+            } else {
+                mContext.unregisterReceiver(this);
+            }
+            mRegistered = register;
+        }
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            final String action = intent.getAction();
+            if (NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED.equals(action)) {
+                mHandler.sendEmptyMessage(H.UPDATE_EFFECTS_SUPPRESSOR);
+            } else if (AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION.equals(action)) {
+                mHandler.sendEmptyMessage(H.UPDATE_RINGER_MODE);
+            }
+        }
+    }
+
+}