| /* |
| * Copyright (C) 2013 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.settings; |
| |
| import android.app.Dialog; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.view.Window; |
| import android.view.WindowManager; |
| import android.widget.ImageView; |
| |
| import com.android.systemui.R; |
| |
| /** A dialog that provides controls for adjusting the screen brightness. */ |
| public class BrightnessDialog extends Dialog implements |
| BrightnessController.BrightnessStateChangeCallback { |
| |
| private static final String TAG = "BrightnessDialog"; |
| private static final boolean DEBUG = false; |
| |
| protected Handler mHandler = new Handler(); |
| |
| private BrightnessController mBrightnessController; |
| private final int mBrightnessDialogLongTimeout; |
| private final int mBrightnessDialogShortTimeout; |
| |
| private final Runnable mDismissDialogRunnable = new Runnable() { |
| public void run() { |
| if (BrightnessDialog.this.isShowing()) { |
| BrightnessDialog.this.dismiss(); |
| } |
| }; |
| }; |
| |
| |
| public BrightnessDialog(Context ctx) { |
| super(ctx); |
| Resources r = ctx.getResources(); |
| mBrightnessDialogLongTimeout = |
| r.getInteger(R.integer.quick_settings_brightness_dialog_long_timeout); |
| mBrightnessDialogShortTimeout = |
| r.getInteger(R.integer.quick_settings_brightness_dialog_short_timeout); |
| } |
| |
| |
| /** |
| * Create the brightness dialog and any resources that are used for the |
| * entire lifetime of the dialog. |
| */ |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| Window window = getWindow(); |
| window.setType(WindowManager.LayoutParams.TYPE_VOLUME_OVERLAY); |
| window.getAttributes().privateFlags |= |
| WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; |
| window.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); |
| window.requestFeature(Window.FEATURE_NO_TITLE); |
| |
| setContentView(R.layout.quick_settings_brightness_dialog); |
| setCanceledOnTouchOutside(true); |
| } |
| |
| |
| @Override |
| protected void onStart() { |
| super.onStart(); |
| mBrightnessController = new BrightnessController(getContext(), |
| (ImageView) findViewById(R.id.brightness_icon), |
| (ToggleSlider) findViewById(R.id.brightness_slider)); |
| dismissBrightnessDialog(mBrightnessDialogLongTimeout); |
| mBrightnessController.addStateChangedCallback(this); |
| } |
| |
| @Override |
| protected void onStop() { |
| super.onStop(); |
| mBrightnessController.unregisterCallbacks(); |
| removeAllBrightnessDialogCallbacks(); |
| } |
| |
| public void onBrightnessLevelChanged() { |
| dismissBrightnessDialog(mBrightnessDialogShortTimeout); |
| } |
| |
| private void dismissBrightnessDialog(int timeout) { |
| removeAllBrightnessDialogCallbacks(); |
| mHandler.postDelayed(mDismissDialogRunnable, timeout); |
| } |
| |
| private void removeAllBrightnessDialogCallbacks() { |
| mHandler.removeCallbacks(mDismissDialogRunnable); |
| } |
| |
| } |