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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"); you may not
      5  * use this file except in compliance with the License. You may obtain a copy of
      6  * 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, WITHOUT
     12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     13  * License for the specific language governing permissions and limitations under
     14  * the License.
     15  */
     16 
     17 package com.android.browser;
     18 
     19 import android.content.Context;
     20 import android.graphics.Bitmap;
     21 import android.util.AttributeSet;
     22 import android.view.LayoutInflater;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 import android.webkit.WebView;
     26 import android.widget.ImageView;
     27 import android.widget.LinearLayout;
     28 import android.widget.TextView;
     29 
     30 public class NavTabView extends LinearLayout {
     31 
     32     private ViewGroup mContent;
     33     private Tab mTab;
     34     private ImageView mClose;
     35     private TextView mTitle;
     36     private View mTitleBar;
     37     ImageView mImage;
     38     private OnClickListener mClickListener;
     39     private boolean mHighlighted;
     40 
     41     public NavTabView(Context context, AttributeSet attrs, int defStyle) {
     42         super(context, attrs, defStyle);
     43         init();
     44     }
     45 
     46     public NavTabView(Context context, AttributeSet attrs) {
     47         super(context, attrs);
     48         init();
     49     }
     50 
     51     public NavTabView(Context context) {
     52         super(context);
     53         init();
     54     }
     55 
     56     private void init() {
     57         LayoutInflater.from(mContext).inflate(R.layout.nav_tab_view, this);
     58         mContent = (ViewGroup) findViewById(R.id.main);
     59         mClose = (ImageView) findViewById(R.id.closetab);
     60         mTitle = (TextView) findViewById(R.id.title);
     61         mTitleBar = findViewById(R.id.titlebar);
     62         mImage = (ImageView) findViewById(R.id.tab_view);
     63     }
     64 
     65     protected boolean isClose(View v) {
     66         return v == mClose;
     67     }
     68 
     69     protected boolean isTitle(View v) {
     70         return v == mTitleBar;
     71     }
     72 
     73     protected boolean isWebView(View v) {
     74         return v == mImage;
     75     }
     76 
     77     private void setTitle() {
     78         if (mTab == null) return;
     79         if (mHighlighted) {
     80             mTitle.setText(mTab.getUrl());
     81         } else {
     82             String txt = mTab.getTitle();
     83             if (txt == null) {
     84                 txt = mTab.getUrl();
     85             }
     86             mTitle.setText(txt);
     87         }
     88         if (mTab.isSnapshot()) {
     89             setTitleIcon(R.drawable.ic_history_holo_dark);
     90         } else if (mTab.isPrivateBrowsingEnabled()) {
     91             setTitleIcon(R.drawable.ic_incognito_holo_dark);
     92         } else {
     93             setTitleIcon(0);
     94         }
     95     }
     96 
     97     private void setTitleIcon(int id) {
     98         if (id == 0) {
     99             mTitle.setPadding(mTitle.getCompoundDrawablePadding(), 0, 0, 0);
    100         } else {
    101             mTitle.setPadding(0, 0, 0, 0);
    102         }
    103         mTitle.setCompoundDrawablesWithIntrinsicBounds(id, 0, 0, 0);
    104     }
    105 
    106     protected boolean isHighlighted() {
    107         return mHighlighted;
    108     }
    109 
    110     protected void setWebView(Tab tab) {
    111         mTab = tab;
    112         setTitle();
    113         Bitmap image = tab.getScreenshot();
    114         if (image != null) {
    115             mImage.setImageBitmap(image);
    116             if (tab != null) {
    117                 mImage.setContentDescription(tab.getTitle());
    118             }
    119         }
    120     }
    121 
    122     @Override
    123     public void setOnClickListener(OnClickListener listener) {
    124         mClickListener = listener;
    125         mTitleBar.setOnClickListener(mClickListener);
    126         mClose.setOnClickListener(mClickListener);
    127         if (mImage != null) {
    128             mImage.setOnClickListener(mClickListener);
    129         }
    130     }
    131 
    132 }
    133