Export audio and haptic feedback to a specialized class. (A1)

Change-Id: I957d883d1ccf188cb98eb11031aa0a32fce4ed76

2 files changed, 137 insertions, 67 deletions

diff --git a/java/src/com/android/inputmethod/latin/AudioAndHapticFeedbackManager.java b/java/src/com/android/inputmethod/latin/AudioAndHapticFeedbackManager.java
new file mode 100644
index 000000000..7455316df
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/AudioAndHapticFeedbackManager.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2012 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.inputmethod.latin;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.media.AudioManager;
+import android.view.HapticFeedbackConstants;
+
+import com.android.inputmethod.compat.VibratorCompatWrapper;
+import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.keyboard.KeyboardSwitcher;
+import com.android.inputmethod.keyboard.LatinKeyboardView;
+
+/**
+ * This class gathers audio feedback and haptic feedback functions.
+ *
+ * It offers a consistent and simple interface that allows LatinIME to forget about the
+ * complexity of settings and the like.
+ */
+public class AudioAndHapticFeedbackManager extends BroadcastReceiver {
+    final private LatinIME mLatinIme;
+    final private SettingsValues mSettingsValues;
+    final private KeyboardSwitcher mKeyboardSwitcher;
+    private AudioManager mAudioManager;
+    final private VibratorCompatWrapper mVibrator;
+    private boolean mSilentModeOn;
+
+    public AudioAndHapticFeedbackManager(final LatinIME latinIme,
+            final SettingsValues settingsValues, final KeyboardSwitcher keyboardSwitcher) {
+        mLatinIme = latinIme;
+        mSettingsValues = settingsValues;
+        mKeyboardSwitcher = keyboardSwitcher;
+        mSilentModeOn = true;
+        mVibrator = VibratorCompatWrapper.getInstance(mLatinIme);
+    }
+
+    public void hapticAndAudioFeedback(final int primaryCode) {
+        vibrate();
+        playKeyClick(primaryCode);
+    }
+
+    private boolean isSoundOn() {
+        return mSettingsValues.mSoundOn && !mSilentModeOn;
+    }
+
+    // update flags for silent mode
+    private void updateRingerMode() {
+        if (mAudioManager == null) {
+            mAudioManager = (AudioManager) mLatinIme.getSystemService(Context.AUDIO_SERVICE);
+            if (mAudioManager == null) return;
+        }
+        mSilentModeOn = (mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL);
+    }
+
+    private void playKeyClick(int primaryCode) {
+        // if mAudioManager is null, we don't have the ringer state yet
+        // mAudioManager will be set by updateRingerMode
+        if (mAudioManager == null) {
+            if (mKeyboardSwitcher.getKeyboardView() != null) {
+                updateRingerMode();
+            }
+        }
+        if (isSoundOn()) {
+            final int sound;
+            switch (primaryCode) {
+            case Keyboard.CODE_DELETE:
+                sound = AudioManager.FX_KEYPRESS_DELETE;
+                break;
+            case Keyboard.CODE_ENTER:
+                sound = AudioManager.FX_KEYPRESS_RETURN;
+                break;
+            case Keyboard.CODE_SPACE:
+                sound = AudioManager.FX_KEYPRESS_SPACEBAR;
+                break;
+            default:
+                sound = AudioManager.FX_KEYPRESS_STANDARD;
+                break;
+            }
+            mAudioManager.playSoundEffect(sound, mSettingsValues.mFxVolume);
+        }
+    }
+
+    // TODO: make this private when LatinIME does not call it any more
+    public void vibrate() {
+        if (!mSettingsValues.mVibrateOn) {
+            return;
+        }
+        if (mSettingsValues.mKeypressVibrationDuration < 0) {
+            // Go ahead with the system default
+            LatinKeyboardView inputView = mKeyboardSwitcher.getKeyboardView();
+            if (inputView != null) {
+                inputView.performHapticFeedback(
+                        HapticFeedbackConstants.KEYBOARD_TAP,
+                        HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
+            }
+        } else if (mVibrator != null) {
+            mVibrator.vibrate(mSettingsValues.mKeypressVibrationDuration);
+        }
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        final String action = intent.getAction();
+        if (action.equals(AudioManager.RINGER_MODE_CHANGED_ACTION)) {
+            updateRingerMode();
+        }
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index f8b339848..f8b5a677d 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -223,10 +223,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
     private int mDeleteCount;
     private long mLastKeyTime;
 
-    private AudioManager mAudioManager;
-    private boolean mSilentModeOn; // System-wide current configuration
-
-    private VibratorCompatWrapper mVibrator;
+    private AudioAndHapticFeedbackManager mFeedbackManager;
 
     // Member variables for remembering the current device orientation.
     private int mDisplayOrientation;
@@ -510,7 +507,6 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
         super.onCreate();
 
         mImm = InputMethodManagerCompatWrapper.getInstance();
-        mVibrator = VibratorCompatWrapper.getInstance(this);
         mHandler.onCreate();
         DEBUG = LatinImeLogger.sDBG;
 
@@ -537,11 +533,14 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
         // Register to receive ringer mode change and network state change.
         // Also receive installation and removal of a dictionary pack.
         final IntentFilter filter = new IntentFilter();
-        filter.addAction(AudioManager.RINGER_MODE_CHANGED_ACTION);
         filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
         registerReceiver(mReceiver, filter);
         mVoiceProxy = VoiceProxy.init(this, prefs, mHandler);
 
+        final IntentFilter ringerModeFilter = new IntentFilter();
+        ringerModeFilter.addAction(AudioManager.RINGER_MODE_CHANGED_ACTION);
+        registerReceiver(mFeedbackManager, ringerModeFilter);
+
         final IntentFilter packageFilter = new IntentFilter();
         packageFilter.addAction(Intent.ACTION_PACKAGE_ADDED);
         packageFilter.addAction(Intent.ACTION_PACKAGE_REMOVED);
@@ -558,6 +557,8 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
     /* package */ void loadSettings() {
         if (null == mPrefs) mPrefs = PreferenceManager.getDefaultSharedPreferences(this);
         mSettingsValues = new SettingsValues(mPrefs, this, mSubtypeSwitcher.getInputLocaleStr());
+        mFeedbackManager = new AudioAndHapticFeedbackManager(this, mSettingsValues,
+                mKeyboardSwitcher);
         resetContactsDictionary(null == mSuggest ? null : mSuggest.getContactsDictionary());
     }
 
@@ -646,6 +647,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
             mSuggest = null;
         }
         unregisterReceiver(mReceiver);
+        unregisterReceiver(mFeedbackManager);
         unregisterReceiver(mDictionaryPackInstallReceiver);
         mVoiceProxy.destroy();
         LatinImeLogger.commit();
@@ -2321,9 +2323,8 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
         }
     }
 
-    public void hapticAndAudioFeedback(int primaryCode) {
-        vibrate();
-        playKeyClick(primaryCode);
+    public void hapticAndAudioFeedback(final int primaryCode) {
+        mFeedbackManager.hapticAndAudioFeedback(primaryCode);
     }
 
     @Override
@@ -2353,76 +2354,21 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
         @Override
         public void onReceive(Context context, Intent intent) {
             final String action = intent.getAction();
-            if (action.equals(AudioManager.RINGER_MODE_CHANGED_ACTION)) {
-                updateRingerMode();
-            } else if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
+            if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
                 mSubtypeSwitcher.onNetworkStateChanged(intent);
             }
         }
     };
 
-    // update flags for silent mode
-    private void updateRingerMode() {
-        if (mAudioManager == null) {
-            mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
-            if (mAudioManager == null) return;
-        }
-        mSilentModeOn = (mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL);
-    }
-
-    private void playKeyClick(int primaryCode) {
-        // if mAudioManager is null, we don't have the ringer state yet
-        // mAudioManager will be set by updateRingerMode
-        if (mAudioManager == null) {
-            if (mKeyboardSwitcher.getKeyboardView() != null) {
-                updateRingerMode();
-            }
-        }
-        if (isSoundOn()) {
-            final int sound;
-            switch (primaryCode) {
-            case Keyboard.CODE_DELETE:
-                sound = AudioManager.FX_KEYPRESS_DELETE;
-                break;
-            case Keyboard.CODE_ENTER:
-                sound = AudioManager.FX_KEYPRESS_RETURN;
-                break;
-            case Keyboard.CODE_SPACE:
-                sound = AudioManager.FX_KEYPRESS_SPACEBAR;
-                break;
-            default:
-                sound = AudioManager.FX_KEYPRESS_STANDARD;
-                break;
-            }
-            mAudioManager.playSoundEffect(sound, mSettingsValues.mFxVolume);
-        }
-    }
-
+    // TODO: remove this method when VoiceProxy has been removed
     public void vibrate() {
-        if (!mSettingsValues.mVibrateOn) {
-            return;
-        }
-        if (mSettingsValues.mKeypressVibrationDuration < 0) {
-            // Go ahead with the system default
-            LatinKeyboardView inputView = mKeyboardSwitcher.getKeyboardView();
-            if (inputView != null) {
-                inputView.performHapticFeedback(
-                        HapticFeedbackConstants.KEYBOARD_TAP,
-                        HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
-            }
-        } else if (mVibrator != null) {
-            mVibrator.vibrate(mSettingsValues.mKeypressVibrationDuration);
-        }
+        mFeedbackManager.vibrate();
     }
 
     public boolean isAutoCapitalized() {
         return mWordComposer.isAutoCapitalized();
     }
 
-    boolean isSoundOn() {
-        return mSettingsValues.mSoundOn && !mSilentModeOn;
-    }
-
     private void updateCorrectionMode() {
         // TODO: cleanup messy flags
         final boolean shouldAutoCorrect = mSettingsValues.mAutoCorrectEnabled