/*
* Copyright (C) 2008 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.internal.policy.impl;
import android.app.KeyguardManager;
import android.app.SearchManager;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.media.AudioManager;
import android.media.IAudioService;
import android.media.session.MediaSessionLegacyHelper;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.util.Slog;
import android.view.View;
import android.view.HapticFeedbackConstants;
import android.view.FallbackEventHandler;
import android.view.KeyEvent;
public class PhoneFallbackEventHandler implements FallbackEventHandler {
private static String TAG = "PhoneFallbackEventHandler";
private static final boolean DEBUG = false;
Context mContext;
View mView;
AudioManager mAudioManager;
KeyguardManager mKeyguardManager;
SearchManager mSearchManager;
TelephonyManager mTelephonyManager;
public PhoneFallbackEventHandler(Context context) {
mContext = context;
}
public void setView(View v) {
mView = v;
}
public void preDispatchKeyEvent(KeyEvent event) {
getAudioManager().preDispatchKeyEvent(event, AudioManager.USE_DEFAULT_STREAM_TYPE);
}
public boolean dispatchKeyEvent(KeyEvent event) {
final int action = event.getAction();
final int keyCode = event.getKeyCode();
if (action == KeyEvent.ACTION_DOWN) {
return onKeyDown(keyCode, event);
} else {
return onKeyUp(keyCode, event);
}
}
boolean onKeyDown(int keyCode, KeyEvent event) {
/* ****************************************************************************
* HOW TO DECIDE WHERE YOUR KEY HANDLING GOES.
* See the comment in PhoneWindow.onKeyDown
* ****************************************************************************/
final KeyEvent.DispatcherState dispatcher = mView.getKeyDispatcherState();
switch (keyCode) {
case KeyEvent.KEYCODE_VOLUME_UP:
case KeyEvent.KEYCODE_VOLUME_DOWN:
case KeyEvent.KEYCODE_VOLUME_MUTE: {
MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(event, false);
return true;
}
case KeyEvent.KEYCODE_MEDIA_PLAY:
case KeyEvent.KEYCODE_MEDIA_PAUSE:
case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
/* Suppress PLAY/PAUSE toggle when phone is ringing or in-call
* to avoid music playback */
if (getTelephonyManager().getCallState() != TelephonyManager.CALL_STATE_IDLE) {
return true; // suppress key event
}
case KeyEvent.KEYCODE_MUTE:
case KeyEvent.KEYCODE_HEADSETHOOK:
case KeyEvent.KEYCODE_MEDIA_STOP:
case KeyEvent.KEYCODE_MEDIA_NEXT:
case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
case KeyEvent.KEYCODE_MEDIA_REWIND:
case KeyEvent.KEYCODE_MEDIA_RECORD:
case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
handleMediaKeyEvent(event);
return true;
}
case KeyEvent.KEYCODE_CALL: {
if (getKeyguardManager().inKeyguardRestrictedInputMode() || dispatcher == null) {
break;
}
if (event.getRepeatCount() == 0) {
dispatcher.startTracking(event, this);
} else if (event.isLongPress() && dispatcher.isTracking(event)) {
dispatcher.performedLongPress(event);
mView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
// launch the VoiceDialer
Intent intent = new Intent(Intent.ACTION_VOICE_COMMAND);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
sendCloseSystemWindows();
mContext.startActivity(intent);
} catch (ActivityNotFoundException e) {
startCallActivity();
}
}
return true;
}
case KeyEvent.KEYCODE_CAMERA: {
if (getKeyguardManager().inKeyguardRestrictedInputMode() || dispatcher == null) {
break;
}
if (event.getRepeatCount() == 0) {
dispatcher.startTracking(event, this);
} else if (event.isLongPress() && dispatcher.isTracking(event)) {
dispatcher.performedLongPress(event);
mView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
sendCloseSystemWindows();
// Broadcast an intent that the Camera button was longpressed
Intent intent = new Intent(Intent.ACTION_CAMERA_BUTTON, null);
intent.putExtra(Intent.EXTRA_KEY_EVENT, event);
mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT_OR_SELF,
null, null, null, 0, null, null);
}
return true;
}
case KeyEvent.KEYCODE_SEARCH: {
if (getKeyguardManager().inKeyguardRestrictedInputMode() || dispatcher == null) {
break;
}
if (event.getRepeatCount() == 0) {
dispatcher.startTracking(event, this);
} else if (event.isLongPress() && dispatcher.isTracking(event)) {
Configuration config = mContext.getResources().getConfiguration();
if (config.keyboard == Configuration.KEYBOARD_NOKEYS
|| config.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_YES) {
// launch the search activity
Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
mView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
sendCloseSystemWindows();
getSearchManager().stopSearch();
mContext.startActivity(intent);
// Only clear this if we successfully start the
// activity; otherwise we will allow the normal short
// press action to be performed.
dispatcher.performedLongPress(event);
return true;
} catch (ActivityNotFoundException e) {
// Ignore
}
}
}
break;
}
}
return false;
}
boolean onKeyUp(int keyCode, KeyEvent event) {
if (DEBUG) {
Slog.d(TAG, "up " + keyCode);
}
final KeyEvent.DispatcherState dispatcher = mView.getKeyDispatcherState();
if (dispatcher != null) {
dispatcher.handleUpEvent(event);
}
switch (keyCode) {
case KeyEvent.KEYCODE_VOLUME_UP:
case KeyEvent.KEYCODE_VOLUME_DOWN:
case KeyEvent.KEYCODE_VOLUME_MUTE: {
if (!event.isCanceled()) {
MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(event, false);
}
return true;
}
case KeyEvent.KEYCODE_HEADSETHOOK:
case KeyEvent.KEYCODE_MUTE:
case KeyEvent.KEYCODE_MEDIA_PLAY:
case KeyEvent.KEYCODE_MEDIA_PAUSE:
case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
case KeyEvent.KEYCODE_MEDIA_STOP:
case KeyEvent.KEYCODE_MEDIA_NEXT:
case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
case KeyEvent.KEYCODE_MEDIA_REWIND:
case KeyEvent.KEYCODE_MEDIA_RECORD:
case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
handleMediaKeyEvent(event);
return true;
}
case KeyEvent.KEYCODE_CAMERA: {
if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
break;
}
if (event.isTracking() && !event.isCanceled()) {
// Add short press behavior here if desired
}
return true;
}
case KeyEvent.KEYCODE_CALL: {
if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
break;
}
if (event.isTracking() && !event.isCanceled()) {
startCallActivity();
}
return true;
}
}
return false;
}
void startCallActivity() {
sendCloseSystemWindows();
Intent intent = new Intent(Intent.ACTION_CALL_BUTTON);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
mContext.startActivity(intent);
} catch (ActivityNotFoundException e) {
Slog.w(TAG, "No activity found for android.intent.action.CALL_BUTTON.");
}
}
SearchManager getSearchManager() {
if (mSearchManager == null) {
mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
}
return mSearchManager;
}
TelephonyManager getTelephonyManager() {
if (mTelephonyManager == null) {
mTelephonyManager = (TelephonyManager)mContext.getSystemService(
Context.TELEPHONY_SERVICE);
}
return mTelephonyManager;
}
KeyguardManager getKeyguardManager() {
if (mKeyguardManager == null) {
mKeyguardManager = (KeyguardManager)mContext.getSystemService(Context.KEYGUARD_SERVICE);
}
return mKeyguardManager;
}
AudioManager getAudioManager() {
if (mAudioManager == null) {
mAudioManager = (AudioManager)mContext.getSystemService(Context.AUDIO_SERVICE);
}
return mAudioManager;
}
void sendCloseSystemWindows() {
PhoneWindowManager.sendCloseSystemWindows(mContext, null);
}
private void handleMediaKeyEvent(KeyEvent keyEvent) {
MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(keyEvent, false);
}
}
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