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      1 /*
      2  * Copyright (C) 2011 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.browser.view;
     18 
     19 import android.content.Context;
     20 import android.graphics.drawable.Drawable;
     21 import android.graphics.drawable.StateListDrawable;
     22 import android.graphics.drawable.TransitionDrawable;
     23 import android.util.AttributeSet;
     24 import android.view.View;
     25 import android.view.View.OnClickListener;
     26 import android.view.ViewConfiguration;
     27 import android.widget.RelativeLayout;
     28 
     29 public class BookmarkContainer extends RelativeLayout implements OnClickListener {
     30 
     31     private OnClickListener mClickListener;
     32     private boolean mIgnoreRequestLayout = false;
     33 
     34     public BookmarkContainer(Context context) {
     35         super(context);
     36         init();
     37     }
     38 
     39     public BookmarkContainer(Context context, AttributeSet attrs) {
     40         super(context, attrs);
     41         init();
     42     }
     43 
     44     public BookmarkContainer(
     45             Context context, AttributeSet attrs, int defStyle) {
     46         super(context, attrs, defStyle);
     47         init();
     48     }
     49 
     50     void init() {
     51         setFocusable(true);
     52         super.setOnClickListener(this);
     53     }
     54 
     55     @Override
     56     public void setBackgroundDrawable(Drawable d) {
     57         super.setBackgroundDrawable(d);
     58     }
     59 
     60     @Override
     61     public void setOnClickListener(OnClickListener l) {
     62         mClickListener = l;
     63     }
     64 
     65     @Override
     66     protected void drawableStateChanged() {
     67         super.drawableStateChanged();
     68         updateTransitionDrawable(isPressed());
     69     }
     70 
     71     void updateTransitionDrawable(boolean pressed) {
     72         final int longPressTimeout = ViewConfiguration.getLongPressTimeout();
     73         Drawable selector = getBackground();
     74         if (selector != null && selector instanceof StateListDrawable) {
     75             Drawable d = ((StateListDrawable)selector).getCurrent();
     76             if (d != null && d instanceof TransitionDrawable) {
     77                 if (pressed && isLongClickable()) {
     78                     ((TransitionDrawable) d).startTransition(longPressTimeout);
     79                 } else {
     80                     ((TransitionDrawable) d).resetTransition();
     81                 }
     82             }
     83         }
     84     }
     85 
     86     @Override
     87     public void onClick(View view) {
     88         updateTransitionDrawable(false);
     89         if (mClickListener != null) {
     90             mClickListener.onClick(view);
     91         }
     92     }
     93 
     94     public void setIgnoreRequestLayout(boolean ignore) {
     95         mIgnoreRequestLayout = ignore;
     96     }
     97 
     98     @Override
     99     public void requestLayout() {
    100         if (!mIgnoreRequestLayout) {
    101             super.requestLayout();
    102         }
    103     }
    104 }
    105