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      1 /*
      2  * Copyright (C) 2006 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;
     18 
     19 import android.content.Context;
     20 import android.database.Cursor;
     21 import android.graphics.Bitmap;
     22 import android.graphics.BitmapFactory;
     23 import android.view.LayoutInflater;
     24 import android.view.View;
     25 import android.view.ViewGroup;
     26 import android.widget.CursorAdapter;
     27 import android.widget.ImageView;
     28 import android.widget.ImageView.ScaleType;
     29 import android.widget.TextView;
     30 
     31 public class BrowserBookmarksAdapter extends CursorAdapter {
     32     LayoutInflater mInflater;
     33     int mCurrentView;
     34 
     35     /**
     36      *  Create a new BrowserBookmarksAdapter.
     37      */
     38     public BrowserBookmarksAdapter(Context context, int defaultView) {
     39         // Make sure to tell the CursorAdapter to avoid the observer and auto-requery
     40         // since the Loader will do that for us.
     41         super(context, null, 0);
     42         mInflater = LayoutInflater.from(context);
     43         selectView(defaultView);
     44     }
     45 
     46     @Override
     47     public void bindView(View view, Context context, Cursor cursor) {
     48         if (mCurrentView == BrowserBookmarksPage.VIEW_LIST) {
     49             bindListView(view, context, cursor);
     50         } else {
     51             bindGridView(view, context, cursor);
     52         }
     53     }
     54 
     55     void bindGridView(View view, Context context, Cursor cursor) {
     56         // We need to set this to handle rotation and other configuration change
     57         // events. If the padding didn't change, this is a no op.
     58         int padding = context.getResources()
     59                 .getDimensionPixelSize(R.dimen.combo_horizontalSpacing);
     60         view.setPadding(padding, view.getPaddingTop(),
     61                 padding, view.getPaddingBottom());
     62         ImageView thumb = (ImageView) view.findViewById(R.id.thumb);
     63         TextView tv = (TextView) view.findViewById(R.id.label);
     64 
     65         tv.setText(cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE));
     66         if (cursor.getInt(BookmarksLoader.COLUMN_INDEX_IS_FOLDER) != 0) {
     67             // folder
     68             thumb.setImageResource(R.drawable.thumb_bookmark_widget_folder_holo);
     69             thumb.setScaleType(ScaleType.FIT_END);
     70             thumb.setBackgroundDrawable(null);
     71         } else {
     72             byte[] thumbData = cursor.getBlob(BookmarksLoader.COLUMN_INDEX_THUMBNAIL);
     73             Bitmap thumbBitmap = null;
     74             if (thumbData != null) {
     75                 thumbBitmap = BitmapFactory.decodeByteArray(thumbData, 0, thumbData.length);
     76             }
     77 
     78             thumb.setScaleType(ScaleType.CENTER_CROP);
     79             if (thumbBitmap == null) {
     80                 thumb.setImageResource(R.drawable.browser_thumbnail);
     81             } else {
     82                 thumb.setImageBitmap(thumbBitmap);
     83             }
     84             thumb.setBackgroundResource(R.drawable.border_thumb_bookmarks_widget_holo);
     85         }
     86     }
     87 
     88     void bindListView(View view, Context context, Cursor cursor) {
     89         ImageView favicon = (ImageView) view.findViewById(R.id.favicon);
     90         TextView tv = (TextView) view.findViewById(R.id.label);
     91 
     92         tv.setText(cursor.getString(BookmarksLoader.COLUMN_INDEX_TITLE));
     93         if (cursor.getInt(BookmarksLoader.COLUMN_INDEX_IS_FOLDER) != 0) {
     94             // folder
     95             favicon.setImageResource(R.drawable.ic_folder_holo_dark);
     96             favicon.setBackgroundDrawable(null);
     97         } else {
     98             byte[] faviconData = cursor.getBlob(BookmarksLoader.COLUMN_INDEX_FAVICON);
     99             Bitmap faviconBitmap = null;
    100             if (faviconData != null) {
    101                 faviconBitmap = BitmapFactory.decodeByteArray(faviconData, 0, faviconData.length);
    102             }
    103 
    104             if (faviconBitmap == null) {
    105                 favicon.setImageResource(R.drawable.app_web_browser_sm);
    106             } else {
    107                 favicon.setImageBitmap(faviconBitmap);
    108             }
    109             favicon.setBackgroundResource(R.drawable.bookmark_list_favicon_bg);
    110         }
    111     }
    112 
    113     @Override
    114     public View newView(Context context, Cursor cursor, ViewGroup parent) {
    115         if (mCurrentView == BrowserBookmarksPage.VIEW_LIST) {
    116             return mInflater.inflate(R.layout.bookmark_list, parent, false);
    117         } else {
    118             return mInflater.inflate(R.layout.bookmark_thumbnail, parent, false);
    119         }
    120     }
    121 
    122     public void selectView(int view) {
    123         if (view != BrowserBookmarksPage.VIEW_LIST
    124                 && view != BrowserBookmarksPage.VIEW_THUMBNAILS) {
    125             throw new IllegalArgumentException("Unknown view specified: " + view);
    126         }
    127         mCurrentView = view;
    128     }
    129 
    130     public int getViewMode() {
    131         return mCurrentView;
    132     }
    133 
    134     @Override
    135     public Cursor getItem(int position) {
    136         return (Cursor) super.getItem(position);
    137     }
    138 }
    139