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

3 files changed, 336 insertions, 0 deletions

diff --git a/java/com/android/incallui/ringtone/DialerRingtoneManager.java b/java/com/android/incallui/ringtone/DialerRingtoneManager.java
new file mode 100644
index 000000000..5ebd93378
--- /dev/null
+++ b/java/com/android/incallui/ringtone/DialerRingtoneManager.java
@@ -0,0 +1,134 @@
+/*
+ * 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.incallui.ringtone;
+
+import android.content.ContentResolver;
+import android.net.Uri;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
+import android.provider.Settings;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import com.android.incallui.call.CallList;
+import com.android.incallui.call.DialerCall.State;
+import java.util.Objects;
+
+/**
+ * Class that determines when ringtones should be played and can play the call waiting tone when
+ * necessary.
+ */
+public class DialerRingtoneManager {
+
+  /*
+   * Flag used to determine if the Dialer is responsible for playing ringtones for incoming calls.
+   * Once we're ready to enable Dialer Ringing, these flags should be removed.
+   */
+  private static final boolean IS_DIALER_RINGING_ENABLED = false;
+  private final InCallTonePlayer mInCallTonePlayer;
+  private final CallList mCallList;
+  private Boolean mIsDialerRingingEnabledForTesting;
+
+  /**
+   * Creates the DialerRingtoneManager with the given {@link InCallTonePlayer}.
+   *
+   * @param inCallTonePlayer the tone player used to play in-call tones.
+   * @param callList the CallList used to check for {@link State#CALL_WAITING}
+   * @throws NullPointerException if inCallTonePlayer or callList are null
+   */
+  public DialerRingtoneManager(
+      @NonNull InCallTonePlayer inCallTonePlayer, @NonNull CallList callList) {
+    mInCallTonePlayer = Objects.requireNonNull(inCallTonePlayer);
+    mCallList = Objects.requireNonNull(callList);
+  }
+
+  /**
+   * Determines if a ringtone should be played for the given call state (see {@link State}) and
+   * {@link Uri}.
+   *
+   * @param callState the call state for the call being checked.
+   * @param ringtoneUri the ringtone to potentially play.
+   * @return {@code true} if the ringtone should be played, {@code false} otherwise.
+   */
+  public boolean shouldPlayRingtone(int callState, @Nullable Uri ringtoneUri) {
+    return isDialerRingingEnabled()
+        && translateCallStateForCallWaiting(callState) == State.INCOMING
+        && ringtoneUri != null;
+  }
+
+  /**
+   * Determines if an incoming call should vibrate as well as ring.
+   *
+   * @param resolver {@link ContentResolver} used to look up the {@link
+   *     Settings.System#VIBRATE_WHEN_RINGING} setting.
+   * @return {@code true} if the call should vibrate, {@code false} otherwise.
+   */
+  public boolean shouldVibrate(ContentResolver resolver) {
+    return Settings.System.getInt(resolver, Settings.System.VIBRATE_WHEN_RINGING, 0) != 0;
+  }
+
+  /**
+   * The incoming callState is never set as {@link State#CALL_WAITING} because {@link
+   * DialerCall#translateState(int)} doesn't account for that case, check for it here
+   */
+  private int translateCallStateForCallWaiting(int callState) {
+    if (callState != State.INCOMING) {
+      return callState;
+    }
+    return mCallList.getActiveCall() == null ? State.INCOMING : State.CALL_WAITING;
+  }
+
+  private boolean isDialerRingingEnabled() {
+    boolean enabledFlag =
+        mIsDialerRingingEnabledForTesting != null
+            ? mIsDialerRingingEnabledForTesting
+            : IS_DIALER_RINGING_ENABLED;
+    return VERSION.SDK_INT >= VERSION_CODES.N && enabledFlag;
+  }
+
+  /**
+   * Determines if a call waiting tone should be played for the the given call state (see {@link
+   * State}).
+   *
+   * @param callState the call state for the call being checked.
+   * @return {@code true} if the call waiting tone should be played, {@code false} otherwise.
+   */
+  public boolean shouldPlayCallWaitingTone(int callState) {
+    return isDialerRingingEnabled()
+        && translateCallStateForCallWaiting(callState) == State.CALL_WAITING
+        && !mInCallTonePlayer.isPlayingTone();
+  }
+
+  /** Plays the call waiting tone. */
+  public void playCallWaitingTone() {
+    if (!isDialerRingingEnabled()) {
+      return;
+    }
+    mInCallTonePlayer.play(InCallTonePlayer.TONE_CALL_WAITING);
+  }
+
+  /** Stops playing the call waiting tone. */
+  public void stopCallWaitingTone() {
+    if (!isDialerRingingEnabled()) {
+      return;
+    }
+    mInCallTonePlayer.stop();
+  }
+
+  void setDialerRingingEnabledForTesting(boolean status) {
+    mIsDialerRingingEnabledForTesting = status;
+  }
+}
diff --git a/java/com/android/incallui/ringtone/InCallTonePlayer.java b/java/com/android/incallui/ringtone/InCallTonePlayer.java
new file mode 100644
index 000000000..c76b41d72
--- /dev/null
+++ b/java/com/android/incallui/ringtone/InCallTonePlayer.java
@@ -0,0 +1,168 @@
+/*
+ * 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.incallui.ringtone;
+
+import android.media.AudioManager;
+import android.media.ToneGenerator;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import com.android.incallui.Log;
+import com.android.incallui.async.PausableExecutor;
+import java.util.Objects;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Class responsible for playing in-call related tones in a background thread. This class only
+ * allows one tone to be played at a time.
+ */
+public class InCallTonePlayer {
+
+  public static final int TONE_CALL_WAITING = 4;
+
+  public static final int VOLUME_RELATIVE_HIGH_PRIORITY = 80;
+
+  @NonNull private final ToneGeneratorFactory mToneGeneratorFactory;
+  @NonNull private final PausableExecutor mExecutor;
+  private @Nullable CountDownLatch mNumPlayingTones;
+
+  /**
+   * Creates a new InCallTonePlayer.
+   *
+   * @param toneGeneratorFactory the {@link ToneGeneratorFactory} used to create {@link
+   *     ToneGenerator}s.
+   * @param executor the {@link PausableExecutor} used to play tones in a background thread.
+   * @throws NullPointerException if audioModeProvider, toneGeneratorFactory, or executor are {@code
+   *     null}.
+   */
+  public InCallTonePlayer(
+      @NonNull ToneGeneratorFactory toneGeneratorFactory, @NonNull PausableExecutor executor) {
+    mToneGeneratorFactory = Objects.requireNonNull(toneGeneratorFactory);
+    mExecutor = Objects.requireNonNull(executor);
+  }
+
+  /** @return {@code true} if a tone is currently playing, {@code false} otherwise. */
+  public boolean isPlayingTone() {
+    return mNumPlayingTones != null && mNumPlayingTones.getCount() > 0;
+  }
+
+  /**
+   * Plays the given tone in a background thread.
+   *
+   * @param tone the tone to play.
+   * @throws IllegalStateException if a tone is already playing.
+   * @throws IllegalArgumentException if the tone is invalid.
+   */
+  public void play(int tone) {
+    if (isPlayingTone()) {
+      throw new IllegalStateException("Tone already playing");
+    }
+    final ToneGeneratorInfo info = getToneGeneratorInfo(tone);
+    mNumPlayingTones = new CountDownLatch(1);
+    mExecutor.execute(
+        new Runnable() {
+          @Override
+          public void run() {
+            playOnBackgroundThread(info);
+          }
+        });
+  }
+
+  private ToneGeneratorInfo getToneGeneratorInfo(int tone) {
+    switch (tone) {
+      case TONE_CALL_WAITING:
+        /*
+         * DialerCall waiting tones play until they're stopped either by the user accepting or
+         * declining the call so the tone length is set at what's effectively forever. The
+         * tone is played at a high priority volume and through STREAM_VOICE_CALL since it's
+         * call related and using that stream will route it through bluetooth devices
+         * appropriately.
+         */
+        return new ToneGeneratorInfo(
+            ToneGenerator.TONE_SUP_CALL_WAITING,
+            VOLUME_RELATIVE_HIGH_PRIORITY,
+            Integer.MAX_VALUE,
+            AudioManager.STREAM_VOICE_CALL);
+      default:
+        throw new IllegalArgumentException("Bad tone: " + tone);
+    }
+  }
+
+  private void playOnBackgroundThread(ToneGeneratorInfo info) {
+    ToneGenerator toneGenerator = null;
+    try {
+      Log.v(this, "Starting tone " + info);
+      toneGenerator = mToneGeneratorFactory.newInCallToneGenerator(info.stream, info.volume);
+      toneGenerator.startTone(info.tone);
+      /*
+       * During tests, this will block until the tests call mExecutor.ackMilestone. This call
+       * allows for synchronization to the point where the tone has started playing.
+       */
+      mExecutor.milestone();
+      if (mNumPlayingTones != null) {
+        mNumPlayingTones.await(info.toneLengthMillis, TimeUnit.MILLISECONDS);
+        // Allows for synchronization to the point where the tone has completed playing.
+        mExecutor.milestone();
+      }
+    } catch (InterruptedException e) {
+      Log.w(this, "Interrupted while playing in-call tone.");
+    } finally {
+      if (toneGenerator != null) {
+        toneGenerator.release();
+      }
+      if (mNumPlayingTones != null) {
+        mNumPlayingTones.countDown();
+      }
+      // Allows for synchronization to the point where this background thread has cleaned up.
+      mExecutor.milestone();
+    }
+  }
+
+  /** Stops playback of the current tone. */
+  public void stop() {
+    if (mNumPlayingTones != null) {
+      mNumPlayingTones.countDown();
+    }
+  }
+
+  private static class ToneGeneratorInfo {
+
+    public final int tone;
+    public final int volume;
+    public final int toneLengthMillis;
+    public final int stream;
+
+    public ToneGeneratorInfo(int toneGeneratorType, int volume, int toneLengthMillis, int stream) {
+      this.tone = toneGeneratorType;
+      this.volume = volume;
+      this.toneLengthMillis = toneLengthMillis;
+      this.stream = stream;
+    }
+
+    @Override
+    public String toString() {
+      return "ToneGeneratorInfo{"
+          + "toneLengthMillis="
+          + toneLengthMillis
+          + ", tone="
+          + tone
+          + ", volume="
+          + volume
+          + '}';
+    }
+  }
+}
diff --git a/java/com/android/incallui/ringtone/ToneGeneratorFactory.java b/java/com/android/incallui/ringtone/ToneGeneratorFactory.java
new file mode 100644
index 000000000..cd7b11aa9
--- /dev/null
+++ b/java/com/android/incallui/ringtone/ToneGeneratorFactory.java
@@ -0,0 +1,34 @@
+/*
+ * 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.incallui.ringtone;
+
+import android.media.ToneGenerator;
+
+/** Factory used to create {@link ToneGenerator}s. */
+public class ToneGeneratorFactory {
+
+  /**
+   * Creates a new {@link ToneGenerator} to use while in a call.
+   *
+   * @param stream the stream through which to play tones.
+   * @param volume the volume at which to play tones.
+   * @return a new ToneGenerator.
+   */
+  public ToneGenerator newInCallToneGenerator(int stream, int volume) {
+    return new ToneGenerator(stream, volume);
+  }
+}