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      1 /*
      2  * Copyright (C) 2015 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.tv.ui;
     18 
     19 import android.animation.TimeInterpolator;
     20 import android.content.Context;
     21 import android.graphics.drawable.AnimationDrawable;
     22 import android.util.AttributeSet;
     23 import android.view.KeyEvent;
     24 import android.view.View;
     25 
     26 import com.android.tv.R;
     27 import com.android.tv.menu.Menu;
     28 
     29 public class IntroView extends FullscreenDialogView {
     30     private AnimationDrawable mRippleDrawable;
     31     private boolean mOpenMenu;
     32 
     33     public IntroView(Context context) {
     34         this(context, null, 0);
     35     }
     36 
     37     public IntroView(Context context, AttributeSet attrs) {
     38         this(context, attrs, 0);
     39     }
     40 
     41     public IntroView(Context context, AttributeSet attrs, int defStyle) {
     42         super(context, attrs, defStyle);
     43     }
     44 
     45     @Override
     46     public boolean dispatchKeyEvent(KeyEvent event) {
     47         if (event.getAction() == KeyEvent.ACTION_UP) {
     48             switch (event.getKeyCode()) {
     49                 case KeyEvent.KEYCODE_DPAD_CENTER:
     50                 case KeyEvent.KEYCODE_ENTER:
     51                     dismiss();
     52                     mOpenMenu = true;
     53                     return true;
     54             }
     55         }
     56         return super.dispatchKeyEvent(event);
     57     }
     58 
     59     @Override
     60     public void onBackPressed() {
     61         dismiss();
     62     }
     63 
     64     @Override
     65     protected void onAttachedToWindow() {
     66         super.onAttachedToWindow();
     67         View v = findViewById(R.id.welcome_ripple);
     68         mRippleDrawable = (AnimationDrawable) v.getBackground();
     69         mRippleDrawable.start();
     70     }
     71 
     72     @Override
     73     protected void onDetachedFromWindow() {
     74         mRippleDrawable.stop();
     75         super.onDetachedFromWindow();
     76     }
     77 
     78     @Override
     79     public void onDestroy() {
     80         if (mOpenMenu) {
     81             getActivity().getOverlayManager().showMenu(Menu.REASON_GUIDE);
     82         }
     83     }
     84 
     85     @Override
     86     protected void onStartEnterAnimation(TimeInterpolator interpolator, long duration) {
     87         View v = findViewById(R.id.container);
     88         v.setAlpha(0);
     89         v.animate()
     90                 .alpha(1.0f)
     91                 .setInterpolator(interpolator)
     92                 .setDuration(duration)
     93                 .withLayer()
     94                 .start();
     95     }
     96 
     97     @Override
     98     protected void onStartExitAnimation(TimeInterpolator interpolator, long duration,
     99             final Runnable onAnimationEnded) {
    100         View v = findViewById(R.id.container);
    101         v.animate()
    102                 .alpha(0.0f)
    103                 .setInterpolator(interpolator)
    104                 .setDuration(duration)
    105                 .withLayer()
    106                 .withEndAction(new Runnable() {
    107                     @Override
    108                     public void run() {
    109                         onAnimationEnded.run();
    110                     }
    111                 })
    112                 .start();
    113     }
    114 }
    115