WallpaperPicker/src/com/android/launcher3/ThirdPartyWallpaperPickerListAdapter.java

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