104 lines
3.7 KiB
Java
104 lines
3.7 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.latin;
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import android.content.Context;
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import android.media.AudioManager;
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import android.view.HapticFeedbackConstants;
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import android.view.View;
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import com.android.inputmethod.keyboard.Keyboard;
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import com.android.inputmethod.latin.VibratorUtils;
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/**
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* This class gathers audio feedback and haptic feedback functions.
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*
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* It offers a consistent and simple interface that allows LatinIME to forget about the
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* complexity of settings and the like.
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*/
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public class AudioAndHapticFeedbackManager {
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final private SettingsValues mSettingsValues;
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final private AudioManager mAudioManager;
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final private VibratorUtils mVibratorUtils;
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private boolean mSoundOn;
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public AudioAndHapticFeedbackManager(final LatinIME latinIme,
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final SettingsValues settingsValues) {
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mSettingsValues = settingsValues;
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mVibratorUtils = VibratorUtils.getInstance(latinIme);
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mAudioManager = (AudioManager) latinIme.getSystemService(Context.AUDIO_SERVICE);
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mSoundOn = reevaluateIfSoundIsOn();
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}
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public void hapticAndAudioFeedback(final int primaryCode,
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final View viewToPerformHapticFeedbackOn) {
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vibrate(viewToPerformHapticFeedbackOn);
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playKeyClick(primaryCode);
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}
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private boolean reevaluateIfSoundIsOn() {
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if (!mSettingsValues.mSoundOn || mAudioManager == null) {
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return false;
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} else {
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return mAudioManager.getRingerMode() == AudioManager.RINGER_MODE_NORMAL;
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}
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}
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private void playKeyClick(int primaryCode) {
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// if mAudioManager is null, we can't play a sound anyway, so return
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if (mAudioManager == null) return;
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if (mSoundOn) {
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final int sound;
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switch (primaryCode) {
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case Keyboard.CODE_DELETE:
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sound = AudioManager.FX_KEYPRESS_DELETE;
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break;
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case Keyboard.CODE_ENTER:
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sound = AudioManager.FX_KEYPRESS_RETURN;
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break;
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case Keyboard.CODE_SPACE:
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sound = AudioManager.FX_KEYPRESS_SPACEBAR;
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break;
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default:
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sound = AudioManager.FX_KEYPRESS_STANDARD;
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break;
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}
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mAudioManager.playSoundEffect(sound, mSettingsValues.mFxVolume);
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}
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}
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// TODO: make this private when LatinIME does not call it any more
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public void vibrate(final View viewToPerformHapticFeedbackOn) {
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if (!mSettingsValues.mVibrateOn) {
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return;
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}
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if (mSettingsValues.mKeypressVibrationDuration < 0) {
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// Go ahead with the system default
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if (viewToPerformHapticFeedbackOn != null) {
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viewToPerformHapticFeedbackOn.performHapticFeedback(
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HapticFeedbackConstants.KEYBOARD_TAP,
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HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
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}
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} else if (mVibratorUtils != null) {
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mVibratorUtils.vibrate(mSettingsValues.mKeypressVibrationDuration);
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}
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}
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public void onRingerModeChanged() {
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mSoundOn = reevaluateIfSoundIsOn();
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}
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}
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