diff options
Diffstat (limited to 'policy/com/android/internal/policy/impl/KeyguardViewBase.java')
-rw-r--r-- | policy/com/android/internal/policy/impl/KeyguardViewBase.java | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/policy/com/android/internal/policy/impl/KeyguardViewBase.java b/policy/com/android/internal/policy/impl/KeyguardViewBase.java deleted file mode 100644 index 9dcbcb6..0000000 --- a/policy/com/android/internal/policy/impl/KeyguardViewBase.java +++ /dev/null @@ -1,209 +0,0 @@ -/* - * Copyright (C) 2007 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.content.Context; -import android.content.Intent; -import android.media.AudioManager; -import android.telephony.TelephonyManager; -import android.view.KeyEvent; -import android.view.View; -import android.view.Gravity; -import android.widget.FrameLayout; -import android.util.AttributeSet; - -/** - * Base class for keyguard views. {@link #reset} is where you should - * reset the state of your view. Use the {@link KeyguardViewCallback} via - * {@link #getCallback()} to send information back (such as poking the wake lock, - * or finishing the keyguard). - * - * Handles intercepting of media keys that still work when the keyguard is - * showing. - */ -public abstract class KeyguardViewBase extends FrameLayout { - - private KeyguardViewCallback mCallback; - private AudioManager mAudioManager; - private TelephonyManager mTelephonyManager = null; - - public KeyguardViewBase(Context context) { - super(context); - - // drop shadow below status bar in keyguard too - mForegroundInPadding = false; - setForegroundGravity(Gravity.FILL_HORIZONTAL | Gravity.TOP); - setForeground( - context.getResources().getDrawable( - com.android.internal.R.drawable.title_bar_shadow)); - } - - // used to inject callback - void setCallback(KeyguardViewCallback callback) { - mCallback = callback; - } - - public KeyguardViewCallback getCallback() { - return mCallback; - } - - /** - * Called when you need to reset the state of your view. - */ - abstract public void reset(); - - /** - * Called when the screen turned off. - */ - abstract public void onScreenTurnedOff(); - - /** - * Called when the screen turned on. - */ - abstract public void onScreenTurnedOn(); - - /** - * Called when a key has woken the device to give us a chance to adjust our - * state according the the key. We are responsible for waking the device - * (by poking the wake lock) once we are ready. - * - * The 'Tq' suffix is per the documentation in {@link android.view.WindowManagerPolicy}. - * Be sure not to take any action that takes a long time; any significant - * action should be posted to a handler. - * - * @param keyCode The wake key, which may be relevant for configuring the - * keyguard. - */ - abstract public void wakeWhenReadyTq(int keyCode); - - /** - * Verify that the user can get past the keyguard securely. This is called, - * for example, when the phone disables the keyguard but then wants to launch - * something else that requires secure access. - * - * The result will be propogated back via {@link KeyguardViewCallback#keyguardDone(boolean)} - */ - abstract public void verifyUnlock(); - - /** - * Called before this view is being removed. - */ - abstract public void cleanUp(); - - @Override - public boolean dispatchKeyEvent(KeyEvent event) { - if (shouldEventKeepScreenOnWhileKeyguardShowing(event)) { - mCallback.pokeWakelock(); - } - - if (interceptMediaKey(event)) { - return true; - } - return super.dispatchKeyEvent(event); - } - - private boolean shouldEventKeepScreenOnWhileKeyguardShowing(KeyEvent event) { - if (event.getAction() != KeyEvent.ACTION_DOWN) { - return false; - } - switch (event.getKeyCode()) { - case KeyEvent.KEYCODE_DPAD_DOWN: - case KeyEvent.KEYCODE_DPAD_LEFT: - case KeyEvent.KEYCODE_DPAD_RIGHT: - case KeyEvent.KEYCODE_DPAD_UP: - return false; - default: - return true; - } - } - - /** - * Allows the media keys to work when the keyguard is showing. - * The media keys should be of no interest to the actual keyguard view(s), - * so intercepting them here should not be of any harm. - * @param event The key event - * @return whether the event was consumed as a media key. - */ - private boolean interceptMediaKey(KeyEvent event) { - final int keyCode = event.getKeyCode(); - if (event.getAction() == KeyEvent.ACTION_DOWN) { - switch (keyCode) { - case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE: - /* Suppress PLAYPAUSE toggle when phone is ringing or - * in-call to avoid music playback */ - if (mTelephonyManager == null) { - mTelephonyManager = (TelephonyManager) getContext().getSystemService( - Context.TELEPHONY_SERVICE); - } - if (mTelephonyManager != null && - mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { - return true; // suppress key event - } - 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_FAST_FORWARD: { - Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); - intent.putExtra(Intent.EXTRA_KEY_EVENT, event); - getContext().sendOrderedBroadcast(intent, null); - return true; - } - - case KeyEvent.KEYCODE_VOLUME_UP: - case KeyEvent.KEYCODE_VOLUME_DOWN: { - synchronized (this) { - if (mAudioManager == null) { - mAudioManager = (AudioManager) getContext().getSystemService( - Context.AUDIO_SERVICE); - } - } - // Volume buttons should only function for music. - if (mAudioManager.isMusicActive()) { - mAudioManager.adjustStreamVolume( - AudioManager.STREAM_MUSIC, - keyCode == KeyEvent.KEYCODE_VOLUME_UP - ? AudioManager.ADJUST_RAISE - : AudioManager.ADJUST_LOWER, - 0); - } - // Don't execute default volume behavior - return true; - } - } - } else if (event.getAction() == KeyEvent.ACTION_UP) { - switch (keyCode) { - case KeyEvent.KEYCODE_MUTE: - case KeyEvent.KEYCODE_HEADSETHOOK: - 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_FAST_FORWARD: { - Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); - intent.putExtra(Intent.EXTRA_KEY_EVENT, event); - getContext().sendOrderedBroadcast(intent, null); - return true; - } - } - } - return false; - } - -} |