1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.systemui.settings;
18
19import android.app.Activity;
20import android.os.Bundle;
21import android.view.ContextThemeWrapper;
22import android.view.Gravity;
23import android.view.KeyEvent;
24import android.view.LayoutInflater;
25import android.view.View;
26import android.view.Window;
27import android.view.WindowManager;
28import android.widget.ImageView;
29
30import com.android.internal.logging.MetricsLogger;
31import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
32import com.android.systemui.R;
33
34/** A dialog that provides controls for adjusting the screen brightness. */
35public class BrightnessDialog extends Activity {
36
37    private BrightnessController mBrightnessController;
38
39    @Override
40    protected void onCreate(Bundle savedInstanceState) {
41        super.onCreate(savedInstanceState);
42
43        final Window window = getWindow();
44
45        window.setGravity(Gravity.TOP);
46        window.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
47        window.requestFeature(Window.FEATURE_NO_TITLE);
48
49        // Use a dialog theme as the activity theme, but inflate the content as
50        // the QS content.
51        ContextThemeWrapper themedContext = new ContextThemeWrapper(this,
52                com.android.internal.R.style.Theme_DeviceDefault_QuickSettings);
53        View v = LayoutInflater.from(themedContext).inflate(
54                R.layout.quick_settings_brightness_dialog, null);
55        setContentView(v);
56
57        final ImageView icon = findViewById(R.id.brightness_icon);
58        final ToggleSliderView slider = findViewById(R.id.brightness_slider);
59        mBrightnessController = new BrightnessController(this, icon, slider);
60    }
61
62    @Override
63    protected void onStart() {
64        super.onStart();
65        mBrightnessController.registerCallbacks();
66        MetricsLogger.visible(this, MetricsEvent.BRIGHTNESS_DIALOG);
67    }
68
69    @Override
70    protected void onStop() {
71        super.onStop();
72        MetricsLogger.hidden(this, MetricsEvent.BRIGHTNESS_DIALOG);
73        mBrightnessController.unregisterCallbacks();
74    }
75
76    @Override
77    public boolean onKeyDown(int keyCode, KeyEvent event) {
78        if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
79                || keyCode == KeyEvent.KEYCODE_VOLUME_UP
80                || keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) {
81            finish();
82        }
83
84        return super.onKeyDown(keyCode, event);
85    }
86}
87