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      1 /*
      2  * Copyright (C) 2010 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.launcher3;
     18 
     19 import android.content.ComponentName;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.content.pm.ActivityInfo;
     23 import android.content.pm.PackageManager;
     24 import android.content.pm.ResolveInfo;
     25 import android.graphics.Rect;
     26 import android.graphics.drawable.Drawable;
     27 import android.view.LayoutInflater;
     28 import android.view.View;
     29 import android.view.ViewGroup;
     30 import android.widget.BaseAdapter;
     31 import android.widget.FrameLayout;
     32 import android.widget.ListAdapter;
     33 import android.widget.TextView;
     34 
     35 import java.util.ArrayList;
     36 import java.util.List;
     37 
     38 public class ThirdPartyWallpaperPickerListAdapter extends BaseAdapter implements ListAdapter {
     39     private static final String LOG_TAG = "LiveWallpaperListAdapter";
     40 
     41     private final LayoutInflater mInflater;
     42     private final PackageManager mPackageManager;
     43     private final int mIconSize;
     44 
     45     private List<ThirdPartyWallpaperTile> mThirdPartyWallpaperPickers =
     46             new ArrayList<ThirdPartyWallpaperTile>();
     47 
     48     public static class ThirdPartyWallpaperTile extends WallpaperPickerActivity.WallpaperTileInfo {
     49         private ResolveInfo mResolveInfo;
     50         public ThirdPartyWallpaperTile(ResolveInfo resolveInfo) {
     51             mResolveInfo = resolveInfo;
     52         }
     53         @Override
     54         public void onClick(WallpaperPickerActivity a) {
     55             final ComponentName itemComponentName = new ComponentName(
     56                     mResolveInfo.activityInfo.packageName, mResolveInfo.activityInfo.name);
     57             Intent launchIntent = new Intent(Intent.ACTION_SET_WALLPAPER);
     58             launchIntent.setComponent(itemComponentName);
     59             a.startActivityForResultSafely(
     60                     launchIntent, WallpaperPickerActivity.PICK_WALLPAPER_THIRD_PARTY_ACTIVITY);
     61         }
     62     }
     63 
     64     public ThirdPartyWallpaperPickerListAdapter(Context context) {
     65         mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     66         mPackageManager = context.getPackageManager();
     67         mIconSize = context.getResources().getDimensionPixelSize(R.dimen.wallpaperItemIconSize);
     68         final PackageManager pm = mPackageManager;
     69 
     70         final Intent pickWallpaperIntent = new Intent(Intent.ACTION_SET_WALLPAPER);
     71         final List<ResolveInfo> apps =
     72                 pm.queryIntentActivities(pickWallpaperIntent, 0);
     73 
     74         // Get list of image picker intents
     75         Intent pickImageIntent = new Intent(Intent.ACTION_GET_CONTENT);
     76         pickImageIntent.setType("image/*");
     77         final List<ResolveInfo> imagePickerActivities =
     78                 pm.queryIntentActivities(pickImageIntent, 0);
     79         final ComponentName[] imageActivities = new ComponentName[imagePickerActivities.size()];
     80         for (int i = 0; i < imagePickerActivities.size(); i++) {
     81             ActivityInfo activityInfo = imagePickerActivities.get(i).activityInfo;
     82             imageActivities[i] = new ComponentName(activityInfo.packageName, activityInfo.name);
     83         }
     84 
     85         outerLoop:
     86         for (ResolveInfo info : apps) {
     87             final ComponentName itemComponentName =
     88                     new ComponentName(info.activityInfo.packageName, info.activityInfo.name);
     89             final String itemPackageName = itemComponentName.getPackageName();
     90             // Exclude anything from our own package, and the old Launcher,
     91             // and live wallpaper picker
     92             if (itemPackageName.equals(context.getPackageName()) ||
     93                     itemPackageName.equals("com.android.launcher") ||
     94                     itemPackageName.equals("com.android.wallpaper.livepicker")) {
     95                 continue;
     96             }
     97             // Exclude any package that already responds to the image picker intent
     98             for (ResolveInfo imagePickerActivityInfo : imagePickerActivities) {
     99                 if (itemPackageName.equals(
    100                         imagePickerActivityInfo.activityInfo.packageName)) {
    101                     continue outerLoop;
    102                 }
    103             }
    104             mThirdPartyWallpaperPickers.add(new ThirdPartyWallpaperTile(info));
    105         }
    106     }
    107 
    108     public int getCount() {
    109         return mThirdPartyWallpaperPickers.size();
    110     }
    111 
    112     public ThirdPartyWallpaperTile getItem(int position) {
    113         return mThirdPartyWallpaperPickers.get(position);
    114     }
    115 
    116     public long getItemId(int position) {
    117         return position;
    118     }
    119 
    120     public View getView(int position, View convertView, ViewGroup parent) {
    121         View view;
    122 
    123         if (convertView == null) {
    124             view = mInflater.inflate(R.layout.wallpaper_picker_third_party_item, parent, false);
    125         } else {
    126             view = convertView;
    127         }
    128 
    129         WallpaperPickerActivity.setWallpaperItemPaddingToZero((FrameLayout) view);
    130 
    131         ResolveInfo info = mThirdPartyWallpaperPickers.get(position).mResolveInfo;
    132         TextView label = (TextView) view.findViewById(R.id.wallpaper_item_label);
    133         label.setText(info.loadLabel(mPackageManager));
    134         Drawable icon = info.loadIcon(mPackageManager);
    135         icon.setBounds(new Rect(0, 0, mIconSize, mIconSize));
    136         label.setCompoundDrawables(null, icon, null, null);
    137         return view;
    138     }
    139 }
    140