| /* |
| * Copyright (C) 2014 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.systemui.qs.tiles; |
| |
| import android.app.ActivityManager; |
| import android.os.SystemClock; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.qs.QSTile; |
| import com.android.systemui.statusbar.policy.FlashlightController; |
| |
| /** Quick settings tile: Control flashlight **/ |
| public class FlashlightTile extends QSTile<QSTile.BooleanState> implements |
| FlashlightController.FlashlightListener { |
| |
| /** Grace period for which we consider the flashlight |
| * still available because it was recently on. */ |
| private static final long RECENTLY_ON_DURATION_MILLIS = 500; |
| |
| private final FlashlightController mFlashlightController; |
| private long mWasLastOn; |
| |
| public FlashlightTile(Host host) { |
| super(host); |
| mFlashlightController = host.getFlashlightController(); |
| mFlashlightController.addListener(this); |
| } |
| |
| @Override |
| protected void handleDestroy() { |
| super.handleDestroy(); |
| mFlashlightController.removeListener(this); |
| } |
| |
| @Override |
| protected BooleanState newTileState() { |
| return new BooleanState(); |
| } |
| |
| @Override |
| public void setListening(boolean listening) { |
| } |
| |
| @Override |
| protected void handleUserSwitch(int newUserId) { |
| } |
| |
| @Override |
| protected void handleClick() { |
| if (ActivityManager.isUserAMonkey()) { |
| return; |
| } |
| boolean newState = !mState.value; |
| mFlashlightController.setFlashlight(newState); |
| refreshState(newState); |
| } |
| |
| @Override |
| protected void handleUpdateState(BooleanState state, Object arg) { |
| if (state.value) { |
| mWasLastOn = SystemClock.uptimeMillis(); |
| } |
| |
| if (arg instanceof Boolean) { |
| state.value = (Boolean) arg; |
| } |
| |
| if (!state.value && mWasLastOn != 0) { |
| if (SystemClock.uptimeMillis() > mWasLastOn + RECENTLY_ON_DURATION_MILLIS) { |
| mWasLastOn = 0; |
| } else { |
| mHandler.removeCallbacks(mRecentlyOnTimeout); |
| mHandler.postAtTime(mRecentlyOnTimeout, mWasLastOn + RECENTLY_ON_DURATION_MILLIS); |
| } |
| } |
| |
| // Always show the tile when the flashlight is or was recently on. This is needed because |
| // the camera is not available while it is being used for the flashlight. |
| state.visible = mWasLastOn != 0 || mFlashlightController.isAvailable(); |
| state.label = mHost.getContext().getString(R.string.quick_settings_flashlight_label); |
| state.iconId = state.value |
| ? R.drawable.ic_qs_flashlight_on : R.drawable.ic_qs_flashlight_off; |
| int onOrOffId = state.value |
| ? R.string.accessibility_quick_settings_flashlight_on |
| : R.string.accessibility_quick_settings_flashlight_off; |
| state.contentDescription = mContext.getString(onOrOffId); |
| } |
| |
| @Override |
| protected String composeChangeAnnouncement() { |
| if (mState.value) { |
| return mContext.getString(R.string.accessibility_quick_settings_flashlight_changed_on); |
| } else { |
| return mContext.getString(R.string.accessibility_quick_settings_flashlight_changed_off); |
| } |
| } |
| |
| @Override |
| public void onFlashlightOff() { |
| refreshState(false); |
| } |
| |
| @Override |
| public void onFlashlightError() { |
| refreshState(false); |
| } |
| |
| @Override |
| public void onFlashlightAvailabilityChanged(boolean available) { |
| refreshState(); |
| } |
| |
| private Runnable mRecentlyOnTimeout = new Runnable() { |
| @Override |
| public void run() { |
| refreshState(); |
| } |
| }; |
| } |