Switch to vibrate (or slash-bell) icon at ringer volume 0.

Bug: 16900054
Change-Id: If94a18a7cac596c0f4c33421b642f96dcf0280fd

res/drawable/ring_notif.xml

@@ -0,0 +1,24 @@
+<!--
+Copyright (C) 2014 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.
+-->
+<!-- shrink ic_audio_ring_notif from 32dp to 24dp using insets -->
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+        android:drawable="@*android:drawable/ic_audio_ring_notif"
+        android:insetLeft="4dp"
+        android:insetRight="4dp"
+        android:insetTop="4dp"
+        android:insetBottom="4dp"
+        />
+

res/drawable/ring_notif_mute.xml

@@ -0,0 +1,23 @@
+<!--
+Copyright (C) 2014 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.
+-->
+<!-- shrink ic_audio_ring_notif_mute from 32dp to 24dp using insets -->
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+        android:drawable="@*android:drawable/ic_audio_ring_notif_mute"
+        android:insetLeft="4dp"
+        android:insetRight="4dp"
+        android:insetTop="4dp"
+        android:insetBottom="4dp"
+        />

res/drawable/ring_notif_vibrate.xml

@@ -0,0 +1,23 @@
+<!--
+Copyright (C) 2014 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.
+-->
+<!-- shrink ic_audio_ring_notif_vibrate from 32dp to 24dp using insets -->
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+        android:drawable="@*android:drawable/ic_audio_ring_notif_vibrate"
+        android:insetLeft="4dp"
+        android:insetRight="4dp"
+        android:insetTop="4dp"
+        android:insetBottom="4dp"
+        />

res/xml/notification_settings.xml

@@ -39,13 +39,13 @@
         <!-- Ring volume -->
         <com.android.settings.notification.VolumeSeekBarPreference
                 android:key="ring_volume"
-                android:icon="@*android:drawable/ic_audio_ring_notif"
+                android:icon="@drawable/ring_notif"
                 android:title="@string/ring_volume_option_title" />
 
         <!-- Notification volume -->
         <com.android.settings.notification.VolumeSeekBarPreference
                 android:key="notification_volume"
-                android:icon="@*android:drawable/ic_audio_ring_notif"
+                android:icon="@drawable/ring_notif"
                 android:title="@string/notification_volume_option_title" />
 
         <!-- Also vibrate for calls -->

src/com/android/settings/notification/NotificationSettings.java

@@ -30,6 +30,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
+import android.os.Vibrator;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.PreferenceCategory;
@@ -40,6 +41,7 @@ import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.util.Log;
 
+import android.widget.SeekBar;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
@@ -76,6 +78,8 @@ public class NotificationSettings extends SettingsPreferenceFragment implements
     private Context mContext;
     private PackageManager mPM;
     private boolean mVoiceCapable;
+    private Vibrator mVibrator;
+    private VolumeSeekBarPreference mRingOrNotificationPreference;
 
     private Preference mPhoneRingtonePreference;
     private Preference mNotificationRingtonePreference;
@@ -93,15 +97,23 @@ public class NotificationSettings extends SettingsPreferenceFragment implements
         mPM = mContext.getPackageManager();
         mVoiceCapable = Utils.isVoiceCapable(mContext);
         mSecure = new LockPatternUtils(getActivity()).isSecure();
+
+        mVibrator = (Vibrator) getActivity().getSystemService(Context.VIBRATOR_SERVICE);
+        if (mVibrator != null && !mVibrator.hasVibrator()) {
+            mVibrator = null;
+        }
+
         addPreferencesFromResource(R.xml.notification_settings);
 
         final PreferenceCategory sound = (PreferenceCategory) findPreference(KEY_SOUND);
         initVolumePreference(KEY_MEDIA_VOLUME, AudioManager.STREAM_MUSIC);
         initVolumePreference(KEY_ALARM_VOLUME, AudioManager.STREAM_ALARM);
         if (mVoiceCapable) {
+            mRingOrNotificationPreference =
                     initVolumePreference(KEY_RING_VOLUME, AudioManager.STREAM_RING);
             sound.removePreference(sound.findPreference(KEY_NOTIFICATION_VOLUME));
         } else {
+            mRingOrNotificationPreference =
                     initVolumePreference(KEY_NOTIFICATION_VOLUME, AudioManager.STREAM_NOTIFICATION);
             sound.removePreference(sound.findPreference(KEY_RING_VOLUME));
         }
@@ -134,10 +146,19 @@ public class NotificationSettings extends SettingsPreferenceFragment implements
 
     // === Volumes ===
 
-    private void initVolumePreference(String key, int stream) {
+    private VolumeSeekBarPreference initVolumePreference(String key, int stream) {
         final VolumeSeekBarPreference volumePref = (VolumeSeekBarPreference) findPreference(key);
-        volumePref.setStream(stream);
         volumePref.setCallback(mVolumeCallback);
+        volumePref.setStream(stream);
+        return volumePref;
+    }
+
+    private void updateRingOrNotificationIcon(int progress) {
+        mRingOrNotificationPreference.showIcon(progress > 0
+                    ? R.drawable.ring_notif
+                    : (mVibrator == null
+                            ? R.drawable.ring_notif_mute
+                            : R.drawable.ring_notif_vibrate));
     }
 
     private final class VolumePreferenceCallback implements VolumeSeekBarPreference.Callback {
@@ -155,6 +176,14 @@ public class NotificationSettings extends SettingsPreferenceFragment implements
             }
         }
 
+        @Override
+        public void onStreamValueChanged(int stream, int progress) {
+            if (stream == AudioManager.STREAM_RING) {
+                mHandler.removeMessages(H.UPDATE_RINGER_ICON);
+                mHandler.obtainMessage(H.UPDATE_RINGER_ICON, progress, 0).sendToTarget();
+            }
+        }
+
         public void stopSample() {
             if (mCurrent != null) {
                 mCurrent.stopSample();
@@ -426,6 +455,7 @@ public class NotificationSettings extends SettingsPreferenceFragment implements
         private static final int UPDATE_PHONE_RINGTONE = 1;
         private static final int UPDATE_NOTIFICATION_RINGTONE = 2;
         private static final int STOP_SAMPLE = 3;
+        private static final int UPDATE_RINGER_ICON = 4;
 
         private H() {
             super(Looper.getMainLooper());
@@ -443,6 +473,9 @@ public class NotificationSettings extends SettingsPreferenceFragment implements
                 case STOP_SAMPLE:
                     mVolumeCallback.stopSample();
                     break;
+                case UPDATE_RINGER_ICON:
+                    updateRingOrNotificationIcon(msg.arg1);
+                    break;
             }
         }
     }

src/com/android/settings/notification/VolumeSeekBarPreference.java

@@ -26,6 +26,7 @@ import android.preference.SeekBarVolumizer;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.View;
+import android.widget.ImageView;
 import android.widget.SeekBar;
 
 import com.android.settings.R;
@@ -39,6 +40,7 @@ public class VolumeSeekBarPreference extends SeekBarPreference
     private SeekBar mSeekBar;
     private SeekBarVolumizer mVolumizer;
     private Callback mCallback;
+    private ImageView mIconView;
 
     public VolumeSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr,
             int defStyleRes) {
@@ -93,9 +95,35 @@ public class VolumeSeekBarPreference extends SeekBarPreference
         };
         final Uri sampleUri = mStream == AudioManager.STREAM_MUSIC ? getMediaVolumeUri() : null;
         if (mVolumizer == null) {
-            mVolumizer = new SeekBarVolumizer(getContext(), mStream, sampleUri, sbvc);
+            mVolumizer = new SeekBarVolumizer(getContext(), mStream, sampleUri, sbvc) {
+                // we need to piggyback on SBV's SeekBar listener to update our icon
+                @Override
+                public void onProgressChanged(SeekBar seekBar, int progress,
+                        boolean fromTouch) {
+                    super.onProgressChanged(seekBar, progress, fromTouch);
+                    mCallback.onStreamValueChanged(mStream, progress);
+                }
+            };
         }
         mVolumizer.setSeekBar(mSeekBar);
+        mIconView = (ImageView) view.findViewById(com.android.internal.R.id.icon);
+        mCallback.onStreamValueChanged(mStream, mSeekBar.getProgress());
+    }
+
+    // during initialization, this preference is the SeekBar listener
+    @Override
+    public void onProgressChanged(SeekBar seekBar, int progress,
+            boolean fromTouch) {
+        super.onProgressChanged(seekBar, progress, fromTouch);
+        mCallback.onStreamValueChanged(mStream, progress);
+    }
+
+    public void showIcon(int resId) {
+        // Instead of using setIcon, which will trigger listeners, this just decorates the
+        // preference temporarily with a new icon.
+        if (mIconView != null) {
+            mIconView.setImageResource(resId);
+        }
     }
 
     private Uri getMediaVolumeUri() {
@@ -106,5 +134,6 @@ public class VolumeSeekBarPreference extends SeekBarPreference
 
     public interface Callback {
         void onSampleStarting(SeekBarVolumizer sbv);
+        void onStreamValueChanged(int stream, int progress);
     }
 }