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      1 /**
      2  * Copyright (c) 2011, Google Inc.
      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 package com.android.mail.compose;
     17 
     18 import android.animation.Animator;
     19 import android.animation.AnimatorSet;
     20 import android.animation.ObjectAnimator;
     21 import android.content.Context;
     22 import android.content.res.Resources;
     23 import android.util.AttributeSet;
     24 import android.view.LayoutInflater;
     25 import android.view.View;
     26 import android.widget.RelativeLayout;
     27 import com.android.mail.R;
     28 
     29 public class CcBccView extends RelativeLayout {
     30 
     31     private final View mCc;
     32     private final View mBcc;
     33 
     34     public CcBccView(Context context) {
     35         this(context, null);
     36     }
     37 
     38     public CcBccView(Context context, AttributeSet attrs) {
     39         this(context, attrs, -1);
     40     }
     41 
     42     public CcBccView(Context context, AttributeSet attrs, int defStyle) {
     43         super(context, attrs, defStyle);
     44         LayoutInflater.from(context).inflate(R.layout.cc_bcc_view, this);
     45         mCc = findViewById(R.id.cc_content);
     46         mBcc = findViewById(R.id.bcc_content);
     47     }
     48 
     49     public void show(boolean animate, boolean showCc, boolean showBcc) {
     50         boolean ccWasAlreadyShown = mCc.isShown();
     51         mCc.setVisibility(showCc ? View.VISIBLE : View.GONE);
     52         mBcc.setVisibility(showBcc ? View.VISIBLE : View.GONE);
     53         if (animate) {
     54             animate(ccWasAlreadyShown);
     55         } else {
     56             if (showCc) {
     57                 mCc.setAlpha(1);
     58             }
     59             if (showBcc) {
     60                 mBcc.setAlpha(1);
     61             }
     62             requestLayout();
     63         }
     64     }
     65 
     66     private void animate(boolean ccWasAlreadyShown) {
     67         Resources res = getResources();
     68         // Then, have cc/ bcc fade in
     69         int fadeDuration = res.getInteger(R.integer.fadein_cc_bcc_dur);
     70         ObjectAnimator bccAnimator = ObjectAnimator.ofFloat(mBcc, "alpha", 0, 1);
     71         bccAnimator.setDuration(fadeDuration);
     72 
     73         Animator fadeAnimation;
     74         if (!ccWasAlreadyShown) {
     75             ObjectAnimator ccAnimator = ObjectAnimator.ofFloat(mCc, "alpha", 0, 1);
     76             ccAnimator.setDuration(fadeDuration);
     77             fadeAnimation = new AnimatorSet();
     78             ((AnimatorSet) fadeAnimation).playTogether(ccAnimator, bccAnimator);
     79         } else {
     80             fadeAnimation = bccAnimator;
     81         }
     82         fadeAnimation.start();
     83     }
     84 
     85     /**
     86      * @return whether the CC field is visible
     87      */
     88     public boolean isCcVisible() {
     89         return mCc.getVisibility() == View.VISIBLE;
     90     }
     91 
     92     /**
     93      * @return whether the BCC field is visible
     94      */
     95     public boolean isBccVisible() {
     96         return mBcc.getVisibility() == View.VISIBLE;
     97     }
     98 }
     99