Update dialer sources.

Test: Built package and system image.

This change clobbers the old source, and is an export
from an internal Google repository.

The internal repository was forked form Android in March,
and this change includes modifications since then, to
near the v8 release.

Since the fork, we've moved code from monolithic to independent modules. In addition,
we've switched to Blaze/Bazel as the build sysetm. This export, however, still uses make.

New dependencies have been added:
- Dagger
- Auto-Value
- Glide
- Libshortcutbadger

Going forward, development will still be in Google3, and the Gerrit release
will become an automated export, with the next drop happening in ~ two weeks.

Android.mk includes local modifications from ToT.

Abridged changelog:

Bug fixes
● Not able to mute, add a call when using Phone app in multiwindow mode
● Double tap on keypad triggering multiple key and tones
● Reported spam numbers not showing as spam in the call log
● Crash when user tries to block number while Phone app is not set as default
● Crash when user picks a number from search auto-complete list

Visual Voicemail (VVM) improvements
● Share Voicemail audio via standard exporting mechanisms that support file attachment
(email, MMS, etc.)
● Make phone number, email and web sites in VVM transcript clickable
● Set PIN before declining VVM Terms of Service {Carrier}
● Set client type for outbound visual voicemail SMS {Carrier}

New incoming call and incall UI on older devices
(Android M)
● Updated Phone app icon
● New incall UI (large buttons, button labels)
● New and animated Answer/Reject gestures

Accessibility
● Add custom answer/decline call buttons on answer screen for touch exploration
accessibility services
● Increase size of touch target
● Add verbal feedback when a Voicemail fails to load
● Fix pressing of Phone buttons while in a phone call using Switch Access
● Fix selecting and opening contacts in talkback mode
● Split focus for ‘Learn More’ link in caller id & spam to help distinguish similar text

Other
● Backup & Restore for App Preferences
● Prompt user to enable Wi-Fi calling if the call ends due to out of service and Wi-Fi is
connected
● Rename “Dialpad” to “Keypad”
● Show "Private number" for restricted calls
● Delete unused items (vcard, add contact, call history) from Phone menu

Change-Id: I2a7e53532a24c21bf308bf0a6d178d7ddbca4958

1 files changed, 252 insertions, 0 deletions

diff --git a/java/com/android/dialer/app/voicemail/VoicemailAudioManager.java b/java/com/android/dialer/app/voicemail/VoicemailAudioManager.java
new file mode 100644
index 000000000..8d70cdbe7
--- /dev/null
+++ b/java/com/android/dialer/app/voicemail/VoicemailAudioManager.java
@@ -0,0 +1,252 @@
+/*
+ * Copyright (C) 2015 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.dialer.app.voicemail;
+
+import android.content.Context;
+import android.media.AudioDeviceInfo;
+import android.media.AudioManager;
+import android.media.AudioManager.OnAudioFocusChangeListener;
+import android.telecom.CallAudioState;
+import com.android.dialer.common.LogUtil;
+import java.util.concurrent.RejectedExecutionException;
+
+/** This class manages all audio changes for voicemail playback. */
+public final class VoicemailAudioManager
+    implements OnAudioFocusChangeListener, WiredHeadsetManager.Listener {
+
+  private static final String TAG = "VoicemailAudioManager";
+
+  public static final int PLAYBACK_STREAM = AudioManager.STREAM_VOICE_CALL;
+
+  private AudioManager mAudioManager;
+  private VoicemailPlaybackPresenter mVoicemailPlaybackPresenter;
+  private WiredHeadsetManager mWiredHeadsetManager;
+  private boolean mWasSpeakerOn;
+  private CallAudioState mCallAudioState;
+  private boolean mBluetoothScoEnabled;
+
+  public VoicemailAudioManager(
+      Context context, VoicemailPlaybackPresenter voicemailPlaybackPresenter) {
+    mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
+    mVoicemailPlaybackPresenter = voicemailPlaybackPresenter;
+    mWiredHeadsetManager = new WiredHeadsetManager(context);
+    mWiredHeadsetManager.setListener(this);
+
+    mCallAudioState = getInitialAudioState();
+    LogUtil.i(
+        "VoicemailAudioManager.VoicemailAudioManager", "Initial audioState = " + mCallAudioState);
+  }
+
+  public void requestAudioFocus() {
+    int result =
+        mAudioManager.requestAudioFocus(
+            this, PLAYBACK_STREAM, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+    if (result != AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
+      throw new RejectedExecutionException("Could not capture audio focus.");
+    }
+    updateBluetoothScoState(true);
+  }
+
+  public void abandonAudioFocus() {
+    updateBluetoothScoState(false);
+    mAudioManager.abandonAudioFocus(this);
+  }
+
+  @Override
+  public void onAudioFocusChange(int focusChange) {
+    LogUtil.d("VoicemailAudioManager.onAudioFocusChange", "focusChange=" + focusChange);
+    mVoicemailPlaybackPresenter.onAudioFocusChange(focusChange == AudioManager.AUDIOFOCUS_GAIN);
+  }
+
+  @Override
+  public void onWiredHeadsetPluggedInChanged(boolean oldIsPluggedIn, boolean newIsPluggedIn) {
+    LogUtil.i(
+        "VoicemailAudioManager.onWiredHeadsetPluggedInChanged",
+        "wired headset was plugged in changed: " + oldIsPluggedIn + " -> " + newIsPluggedIn);
+
+    if (oldIsPluggedIn == newIsPluggedIn) {
+      return;
+    }
+
+    int newRoute = mCallAudioState.getRoute(); // start out with existing route
+    if (newIsPluggedIn) {
+      newRoute = CallAudioState.ROUTE_WIRED_HEADSET;
+    } else {
+      if (mWasSpeakerOn) {
+        newRoute = CallAudioState.ROUTE_SPEAKER;
+      } else {
+        newRoute = CallAudioState.ROUTE_EARPIECE;
+      }
+    }
+
+    mVoicemailPlaybackPresenter.setSpeakerphoneOn(newRoute == CallAudioState.ROUTE_SPEAKER);
+
+    // We need to call this every time even if we do not change the route because the supported
+    // routes changed either to include or not include WIRED_HEADSET.
+    setSystemAudioState(
+        new CallAudioState(false /* muted */, newRoute, calculateSupportedRoutes()));
+  }
+
+  public void setSpeakerphoneOn(boolean on) {
+    setAudioRoute(on ? CallAudioState.ROUTE_SPEAKER : CallAudioState.ROUTE_WIRED_OR_EARPIECE);
+  }
+
+  public boolean isWiredHeadsetPluggedIn() {
+    return mWiredHeadsetManager.isPluggedIn();
+  }
+
+  public void registerReceivers() {
+    // Receivers is plural because we expect to add bluetooth support.
+    mWiredHeadsetManager.registerReceiver();
+  }
+
+  public void unregisterReceivers() {
+    mWiredHeadsetManager.unregisterReceiver();
+  }
+
+  /**
+   * Bluetooth SCO (Synchronous Connection-Oriented) is the "phone" bluetooth audio. The system will
+   * route to the bluetooth headset automatically if A2DP ("media") is available, but if the headset
+   * only supports SCO then dialer must route it manually.
+   */
+  private void updateBluetoothScoState(boolean hasAudioFocus) {
+    if (hasAudioFocus) {
+      if (hasMediaAudioCapability()) {
+        mBluetoothScoEnabled = false;
+      } else {
+        mBluetoothScoEnabled = true;
+        LogUtil.i(
+            "VoicemailAudioManager.updateBluetoothScoState",
+            "bluetooth device doesn't support media, using SCO instead");
+      }
+    } else {
+      mBluetoothScoEnabled = false;
+    }
+    applyBluetoothScoState();
+  }
+
+  private void applyBluetoothScoState() {
+    if (mBluetoothScoEnabled) {
+      mAudioManager.startBluetoothSco();
+      // The doc for startBluetoothSco() states it could take seconds to establish the SCO
+      // connection, so we should probably resume the playback after we've acquired SCO.
+      // In practice the delay is unnoticeable so this is ignored for simplicity.
+      mAudioManager.setBluetoothScoOn(true);
+    } else {
+      mAudioManager.setBluetoothScoOn(false);
+      mAudioManager.stopBluetoothSco();
+    }
+  }
+
+  private boolean hasMediaAudioCapability() {
+    for (AudioDeviceInfo info : mAudioManager.getDevices(AudioManager.GET_DEVICES_OUTPUTS)) {
+      if (info.getType() == AudioDeviceInfo.TYPE_BLUETOOTH_A2DP) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Change the audio route, for example from earpiece to speakerphone.
+   *
+   * @param route The new audio route to use. See {@link CallAudioState}.
+   */
+  void setAudioRoute(int route) {
+    LogUtil.v(
+        "VoicemailAudioManager.setAudioRoute",
+        "route: " + CallAudioState.audioRouteToString(route));
+
+    // Change ROUTE_WIRED_OR_EARPIECE to a single entry.
+    int newRoute = selectWiredOrEarpiece(route, mCallAudioState.getSupportedRouteMask());
+
+    // If route is unsupported, do nothing.
+    if ((mCallAudioState.getSupportedRouteMask() | newRoute) == 0) {
+      LogUtil.w(
+          "VoicemailAudioManager.setAudioRoute",
+          "Asking to set to a route that is unsupported: " + newRoute);
+      return;
+    }
+
+    // Remember the new speaker state so it can be restored when the user plugs and unplugs
+    // a headset.
+    mWasSpeakerOn = newRoute == CallAudioState.ROUTE_SPEAKER;
+    setSystemAudioState(
+        new CallAudioState(false /* muted */, newRoute, mCallAudioState.getSupportedRouteMask()));
+  }
+
+  private CallAudioState getInitialAudioState() {
+    int supportedRouteMask = calculateSupportedRoutes();
+    int route = selectWiredOrEarpiece(CallAudioState.ROUTE_WIRED_OR_EARPIECE, supportedRouteMask);
+    return new CallAudioState(false /* muted */, route, supportedRouteMask);
+  }
+
+  private int calculateSupportedRoutes() {
+    int routeMask = CallAudioState.ROUTE_SPEAKER;
+    if (mWiredHeadsetManager.isPluggedIn()) {
+      routeMask |= CallAudioState.ROUTE_WIRED_HEADSET;
+    } else {
+      routeMask |= CallAudioState.ROUTE_EARPIECE;
+    }
+    return routeMask;
+  }
+
+  private int selectWiredOrEarpiece(int route, int supportedRouteMask) {
+    // Since they are mutually exclusive and one is ALWAYS valid, we allow a special input of
+    // ROUTE_WIRED_OR_EARPIECE so that callers don't have to make a call to check which is
+    // supported before calling setAudioRoute.
+    if (route == CallAudioState.ROUTE_WIRED_OR_EARPIECE) {
+      route = CallAudioState.ROUTE_WIRED_OR_EARPIECE & supportedRouteMask;
+      if (route == 0) {
+        LogUtil.e(
+            "VoicemailAudioManager.selectWiredOrEarpiece",
+            "One of wired headset or earpiece should always be valid.");
+        // assume earpiece in this case.
+        route = CallAudioState.ROUTE_EARPIECE;
+      }
+    }
+    return route;
+  }
+
+  private void setSystemAudioState(CallAudioState callAudioState) {
+    CallAudioState oldAudioState = mCallAudioState;
+    mCallAudioState = callAudioState;
+
+    LogUtil.i(
+        "VoicemailAudioManager.setSystemAudioState",
+        "changing from " + oldAudioState + " to " + mCallAudioState);
+
+    // Audio route.
+    if (mCallAudioState.getRoute() == CallAudioState.ROUTE_SPEAKER) {
+      turnOnSpeaker(true);
+    } else if (mCallAudioState.getRoute() == CallAudioState.ROUTE_EARPIECE
+        || mCallAudioState.getRoute() == CallAudioState.ROUTE_WIRED_HEADSET) {
+      // Just handle turning off the speaker, the system will handle switching between wired
+      // headset and earpiece.
+      turnOnSpeaker(false);
+      // BluetoothSco is not handled by the system so it has to be reset.
+      applyBluetoothScoState();
+    }
+  }
+
+  private void turnOnSpeaker(boolean on) {
+    if (mAudioManager.isSpeakerphoneOn() != on) {
+      LogUtil.i("VoicemailAudioManager.turnOnSpeaker", "turning speaker phone on: " + on);
+      mAudioManager.setSpeakerphoneOn(on);
+    }
+  }
+}