1/*
2 * Copyright (C) 2014 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.statusbar.policy;
18
19import com.android.systemui.R;
20import com.android.systemui.statusbar.ScrimView;
21import com.android.systemui.statusbar.phone.PhoneStatusBar;
22import com.android.systemui.statusbar.phone.StatusBarWindowView;
23
24import android.view.View;
25import android.view.ViewPropertyAnimator;
26import android.widget.FrameLayout;
27
28/**
29 * Controls showing and hiding of the brightness mirror.
30 */
31public class BrightnessMirrorController {
32
33    public long TRANSITION_DURATION_OUT = 150;
34    public long TRANSITION_DURATION_IN = 200;
35
36    private final ScrimView mScrimBehind;
37    private final View mBrightnessMirror;
38    private final View mPanelHolder;
39    private final int[] mInt2Cache = new int[2];
40
41    public BrightnessMirrorController(StatusBarWindowView statusBarWindow) {
42        mScrimBehind = (ScrimView) statusBarWindow.findViewById(R.id.scrim_behind);
43        mBrightnessMirror = statusBarWindow.findViewById(R.id.brightness_mirror);
44        mPanelHolder = statusBarWindow.findViewById(R.id.panel_holder);
45    }
46
47    public void showMirror() {
48        mBrightnessMirror.setVisibility(View.VISIBLE);
49        mScrimBehind.animateViewAlpha(0.0f, TRANSITION_DURATION_OUT, PhoneStatusBar.ALPHA_OUT);
50        outAnimation(mPanelHolder.animate())
51                .withLayer();
52    }
53
54    public void hideMirror() {
55        mScrimBehind.animateViewAlpha(1.0f, TRANSITION_DURATION_IN, PhoneStatusBar.ALPHA_IN);
56        inAnimation(mPanelHolder.animate())
57                .withLayer()
58                .withEndAction(new Runnable() {
59            @Override
60            public void run() {
61                mBrightnessMirror.setVisibility(View.GONE);
62            }
63        });
64    }
65
66    private ViewPropertyAnimator outAnimation(ViewPropertyAnimator a) {
67        return a.alpha(0.0f)
68                .setDuration(TRANSITION_DURATION_OUT)
69                .setInterpolator(PhoneStatusBar.ALPHA_OUT);
70    }
71    private ViewPropertyAnimator inAnimation(ViewPropertyAnimator a) {
72        return a.alpha(1.0f)
73                .setDuration(TRANSITION_DURATION_IN)
74                .setInterpolator(PhoneStatusBar.ALPHA_IN);
75    }
76
77
78    public void setLocation(View original) {
79        original.getLocationInWindow(mInt2Cache);
80        int originalY = mInt2Cache[1];
81        mBrightnessMirror.getLocationInWindow(mInt2Cache);
82        int mirrorY = mInt2Cache[1];
83
84        mBrightnessMirror.setTranslationY(mBrightnessMirror.getTranslationY()
85                + originalY - mirrorY);
86    }
87
88    public View getMirror() {
89        return mBrightnessMirror;
90    }
91
92    public void updateResources() {
93        FrameLayout.LayoutParams lp =
94                (FrameLayout.LayoutParams) mBrightnessMirror.getLayoutParams();
95        lp.width = mBrightnessMirror.getResources().getDimensionPixelSize(
96                R.dimen.notification_panel_width);
97        lp.gravity = mBrightnessMirror.getResources().getInteger(
98                R.integer.notification_panel_layout_gravity);
99        mBrightnessMirror.setLayoutParams(lp);
100
101        int padding = mBrightnessMirror.getResources().getDimensionPixelSize(
102                R.dimen.notification_side_padding);
103        mBrightnessMirror.setPadding(padding, mBrightnessMirror.getPaddingTop(),
104                padding, mBrightnessMirror.getPaddingBottom());
105    }
106}
107