Romain Guy | 2f26cce | 2009-11-08 13:51:50 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 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.wallpaper.livepicker; |
| 18 | |
| 19 | import android.app.ListActivity; |
| 20 | import android.app.WallpaperInfo; |
| 21 | import android.os.Bundle; |
| 22 | import android.content.pm.PackageManager; |
| 23 | import android.content.pm.ResolveInfo; |
| 24 | import android.content.pm.ComponentInfo; |
| 25 | import android.content.Intent; |
| 26 | import android.content.res.Resources; |
| 27 | import android.graphics.drawable.Drawable; |
| 28 | import android.graphics.drawable.BitmapDrawable; |
| 29 | import android.graphics.Paint; |
| 30 | import android.graphics.Canvas; |
| 31 | import android.graphics.Bitmap; |
| 32 | import android.util.Log; |
| 33 | import android.view.Gravity; |
| 34 | import android.view.View; |
| 35 | import android.view.ViewGroup; |
| 36 | import android.view.LayoutInflater; |
| 37 | import android.service.wallpaper.WallpaperService; |
| 38 | import android.widget.BaseAdapter; |
| 39 | import android.widget.TextView; |
| 40 | import android.widget.ImageView; |
| 41 | import android.widget.AdapterView; |
| 42 | import android.text.Html; |
| 43 | |
| 44 | import java.util.ArrayList; |
| 45 | import java.util.List; |
Romain Guy | 8cfd0d2 | 2009-11-08 17:21:15 -0800 | [diff] [blame] | 46 | import java.util.Collections; |
| 47 | import java.util.Comparator; |
Romain Guy | 2f26cce | 2009-11-08 13:51:50 -0800 | [diff] [blame] | 48 | import java.io.IOException; |
Romain Guy | 8cfd0d2 | 2009-11-08 17:21:15 -0800 | [diff] [blame] | 49 | import java.text.Collator; |
Romain Guy | 2f26cce | 2009-11-08 13:51:50 -0800 | [diff] [blame] | 50 | |
| 51 | import org.xmlpull.v1.XmlPullParserException; |
| 52 | |
| 53 | public class LiveWallpaperListActivity extends ListActivity implements AdapterView.OnItemClickListener { |
| 54 | private static final String LOG_TAG = "LiveWallpapersPicker"; |
| 55 | |
| 56 | private static final int REQUEST_PREVIEW = 100; |
| 57 | |
| 58 | private PackageManager mPackageManager; |
| 59 | |
| 60 | private ArrayList<Drawable> mThumbnails; |
| 61 | private ArrayList<WallpaperInfo> mWallpaperInfos; |
| 62 | private ArrayList<Intent> mWallpaperIntents; |
| 63 | |
| 64 | @Override |
| 65 | protected void onCreate(Bundle savedInstanceState) { |
| 66 | super.onCreate(savedInstanceState); |
| 67 | setContentView(R.layout.live_wallpaper_list); |
| 68 | |
| 69 | mPackageManager = getPackageManager(); |
| 70 | |
| 71 | findLiveWallpapers(); |
| 72 | |
| 73 | setListAdapter(new LiveWallpapersAdapter()); |
| 74 | getListView().setOnItemClickListener(this); |
| 75 | } |
| 76 | |
Romain Guy | 90e5569 | 2009-11-09 13:16:39 -0800 | [diff] [blame^] | 77 | // TODO: THIS SHOULD HAPPEN IN AN ASYNCTASK |
Romain Guy | 2f26cce | 2009-11-08 13:51:50 -0800 | [diff] [blame] | 78 | private void findLiveWallpapers() { |
| 79 | List<ResolveInfo> list = mPackageManager.queryIntentServices( |
| 80 | new Intent(WallpaperService.SERVICE_INTERFACE), |
| 81 | PackageManager.GET_META_DATA); |
| 82 | |
| 83 | int listSize = list.size(); |
| 84 | |
| 85 | mThumbnails = new ArrayList<Drawable>(listSize); |
| 86 | mWallpaperIntents = new ArrayList<Intent>(listSize); |
| 87 | mWallpaperInfos = new ArrayList<WallpaperInfo>(listSize); |
| 88 | |
| 89 | Resources res = getResources(); |
| 90 | Drawable galleryIcon = res.getDrawable(R.drawable.livewallpaper_placeholder); |
| 91 | |
| 92 | Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG); |
| 93 | paint.setTextAlign(Paint.Align.CENTER); |
| 94 | |
| 95 | Canvas canvas = new Canvas(); |
| 96 | |
Romain Guy | 8cfd0d2 | 2009-11-08 17:21:15 -0800 | [diff] [blame] | 97 | Collections.sort(list, new Comparator<ResolveInfo>() { |
| 98 | final Collator mCollator; |
| 99 | |
| 100 | { |
| 101 | mCollator = Collator.getInstance(); |
| 102 | } |
| 103 | |
| 104 | public int compare(ResolveInfo info1, ResolveInfo info2) { |
| 105 | return mCollator.compare(info1.loadLabel(mPackageManager), |
| 106 | info2.loadLabel(mPackageManager)); |
| 107 | } |
| 108 | }); |
| 109 | |
Romain Guy | 2f26cce | 2009-11-08 13:51:50 -0800 | [diff] [blame] | 110 | for (int i = 0; i < listSize; i++) { |
| 111 | ResolveInfo resolveInfo = list.get(i); |
| 112 | ComponentInfo ci = resolveInfo.serviceInfo; |
| 113 | WallpaperInfo info; |
| 114 | try { |
| 115 | info = new WallpaperInfo(this, resolveInfo); |
| 116 | } catch (XmlPullParserException e) { |
| 117 | Log.w(LOG_TAG, "Skipping wallpaper " + ci, e); |
| 118 | continue; |
| 119 | } catch (IOException e) { |
| 120 | Log.w(LOG_TAG, "Skipping wallpaper " + ci, e); |
| 121 | continue; |
| 122 | } |
| 123 | |
| 124 | String packageName = info.getPackageName(); |
| 125 | String className = info.getServiceName(); |
| 126 | |
| 127 | Intent intent = new Intent(WallpaperService.SERVICE_INTERFACE); |
| 128 | intent.setClassName(packageName, className); |
| 129 | |
| 130 | mWallpaperIntents.add(intent); |
| 131 | mWallpaperInfos.add(info); |
| 132 | |
| 133 | Drawable thumb = info.loadThumbnail(mPackageManager); |
| 134 | if (thumb == null) { |
| 135 | int thumbWidth = res.getDimensionPixelSize(R.dimen.live_wallpaper_thumbnail_width); |
| 136 | int thumbHeight = res.getDimensionPixelSize(R.dimen.live_wallpaper_thumbnail_height); |
| 137 | |
| 138 | Bitmap thumbnail = Bitmap.createBitmap(thumbWidth, thumbHeight, |
| 139 | Bitmap.Config.ARGB_8888); |
| 140 | |
| 141 | paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_background)); |
| 142 | canvas.setBitmap(thumbnail); |
| 143 | canvas.drawPaint(paint); |
| 144 | |
| 145 | galleryIcon.setBounds(0, 0, thumbWidth, thumbHeight); |
| 146 | ((BitmapDrawable) galleryIcon).setGravity(Gravity.CENTER); |
| 147 | galleryIcon.draw(canvas); |
| 148 | |
| 149 | String title = info.loadLabel(mPackageManager).toString(); |
| 150 | |
| 151 | paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_text_color)); |
| 152 | paint.setTextSize( |
| 153 | res.getDimensionPixelSize(R.dimen.live_wallpaper_thumbnail_text_size)); |
| 154 | |
| 155 | canvas.drawText(title, (int) (thumbWidth * 0.5), |
| 156 | thumbHeight - res.getDimensionPixelSize( |
| 157 | R.dimen.live_wallpaper_thumbnail_text_offset), paint); |
| 158 | |
| 159 | thumb = new BitmapDrawable(res, thumbnail); |
| 160 | } |
| 161 | |
| 162 | thumb.setDither(true); |
| 163 | mThumbnails.add(thumb); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | protected void onActivityResult(int requestCode, int resultCode, Intent data) { |
| 169 | super.onActivityResult(requestCode, resultCode, data); |
| 170 | |
| 171 | if (requestCode == REQUEST_PREVIEW) { |
| 172 | if (resultCode == RESULT_OK) finish(); |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
| 177 | final Intent intent = mWallpaperIntents.get(position); |
| 178 | final WallpaperInfo info = mWallpaperInfos.get(position); |
| 179 | LiveWallpaperPreview.showPreview(this, REQUEST_PREVIEW, intent, info); |
| 180 | } |
| 181 | |
| 182 | static class ViewHolder { |
| 183 | TextView titleAuthor; |
| 184 | TextView description; |
| 185 | ImageView thumbnail; |
| 186 | } |
| 187 | |
| 188 | private class LiveWallpapersAdapter extends BaseAdapter { |
| 189 | private final LayoutInflater mInflater; |
| 190 | |
| 191 | LiveWallpapersAdapter() { |
| 192 | mInflater = LayoutInflater.from(LiveWallpaperListActivity.this); |
| 193 | } |
| 194 | |
| 195 | public int getCount() { |
| 196 | return mWallpaperInfos.size(); |
| 197 | } |
| 198 | |
| 199 | public Object getItem(int position) { |
| 200 | return mWallpaperInfos.get(position); |
| 201 | } |
| 202 | |
| 203 | public long getItemId(int position) { |
| 204 | return position; |
| 205 | } |
| 206 | |
| 207 | public View getView(int position, View convertView, ViewGroup parent) { |
| 208 | ViewHolder holder; |
| 209 | if (convertView == null) { |
| 210 | convertView = mInflater.inflate(R.layout.live_wallpaper_entry, parent, false); |
| 211 | |
| 212 | holder = new ViewHolder(); |
| 213 | holder.titleAuthor = (TextView) convertView.findViewById(R.id.title_author); |
| 214 | holder.description = (TextView) convertView.findViewById(R.id.description); |
| 215 | holder.thumbnail = (ImageView) convertView.findViewById(R.id.thumbnail); |
| 216 | convertView.setTag(holder); |
| 217 | } else { |
| 218 | holder = (ViewHolder) convertView.getTag(); |
| 219 | } |
| 220 | |
| 221 | WallpaperInfo info = mWallpaperInfos.get(position); |
| 222 | holder.thumbnail.setImageDrawable(mThumbnails.get(position)); |
| 223 | holder.titleAuthor.setText(getString(R.string.wallpaper_title_and_author, |
| 224 | info.loadLabel(mPackageManager), info.loadAuthor(mPackageManager))); |
| 225 | holder.description.setText(Html.fromHtml( |
| 226 | info.loadDescription(mPackageManager).toString())); |
| 227 | |
| 228 | return convertView; |
| 229 | } |
| 230 | } |
| 231 | } |