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      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 
     17 package com.android.systemui.statusbar.policy;
     18 
     19 import com.android.systemui.R;
     20 import com.android.systemui.statusbar.ScrimView;
     21 import com.android.systemui.statusbar.phone.PhoneStatusBar;
     22 import com.android.systemui.statusbar.phone.StatusBarWindowView;
     23 
     24 import android.view.View;
     25 import android.view.ViewPropertyAnimator;
     26 import android.widget.FrameLayout;
     27 
     28 /**
     29  * Controls showing and hiding of the brightness mirror.
     30  */
     31 public 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.INVISIBLE);
     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 
     81         // Original is slightly larger than the mirror, so make sure to use the center for the
     82         // positioning.
     83         int originalX = mInt2Cache[0] + original.getWidth()/2;
     84         int originalY = mInt2Cache[1];
     85         mBrightnessMirror.setTranslationX(0);
     86         mBrightnessMirror.setTranslationY(0);
     87         mBrightnessMirror.getLocationInWindow(mInt2Cache);
     88         int mirrorX = mInt2Cache[0] + mBrightnessMirror.getWidth()/2;
     89         int mirrorY = mInt2Cache[1];
     90         mBrightnessMirror.setTranslationX(originalX - mirrorX);
     91         mBrightnessMirror.setTranslationY(originalY - mirrorY);
     92     }
     93 
     94     public View getMirror() {
     95         return mBrightnessMirror;
     96     }
     97 
     98     public void updateResources() {
     99         FrameLayout.LayoutParams lp =
    100                 (FrameLayout.LayoutParams) mBrightnessMirror.getLayoutParams();
    101         lp.width = mBrightnessMirror.getResources().getDimensionPixelSize(
    102                 R.dimen.notification_panel_width);
    103         lp.gravity = mBrightnessMirror.getResources().getInteger(
    104                 R.integer.notification_panel_layout_gravity);
    105         mBrightnessMirror.setLayoutParams(lp);
    106 
    107         int padding = mBrightnessMirror.getResources().getDimensionPixelSize(
    108                 R.dimen.notification_side_padding);
    109         mBrightnessMirror.setPadding(padding, mBrightnessMirror.getPaddingTop(),
    110                 padding, mBrightnessMirror.getPaddingBottom());
    111     }
    112 }
    113