diff options
Diffstat (limited to 'src/com/android/wallpaper/livepicker/LiveWallpaperListAdapter.java')
| -rw-r--r-- | src/com/android/wallpaper/livepicker/LiveWallpaperListAdapter.java | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/com/android/wallpaper/livepicker/LiveWallpaperListAdapter.java b/src/com/android/wallpaper/livepicker/LiveWallpaperListAdapter.java new file mode 100644 index 0000000..87e0384 --- /dev/null +++ b/src/com/android/wallpaper/livepicker/LiveWallpaperListAdapter.java @@ -0,0 +1,222 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.wallpaper.livepicker; + +import android.app.WallpaperInfo; +import android.content.Context; +import android.content.Intent; +import android.content.pm.PackageManager; +import android.content.pm.ResolveInfo; +import android.content.res.Resources; +import android.graphics.Bitmap; +import android.graphics.Canvas; +import android.graphics.Paint; +import android.graphics.drawable.BitmapDrawable; +import android.graphics.drawable.Drawable; +import android.os.AsyncTask; +import android.service.wallpaper.WallpaperService; +import android.text.Html; +import android.util.Log; +import android.view.Gravity; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.BaseAdapter; +import android.widget.ImageView; +import android.widget.ListAdapter; +import android.widget.TextView; + +import org.xmlpull.v1.XmlPullParserException; + +import java.io.IOException; +import java.text.Collator; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Comparator; +import java.util.List; + +public class LiveWallpaperListAdapter extends BaseAdapter implements ListAdapter { + private static final String LOG_TAG = "LiveWallpaperListAdapter"; + + private final LayoutInflater mInflater; + private final PackageManager mPackageManager; + + private List<LiveWallpaperInfo> mWallpapers = new ArrayList<LiveWallpaperInfo>(); + + public LiveWallpaperListAdapter(Context context) { + mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); + mPackageManager = context.getPackageManager(); + + new LiveWallpaperEnumerator(context).execute(); + } + + public int getCount() { + if (mWallpapers == null) { + return 0; + } + return mWallpapers.size(); + } + + public Object getItem(int position) { + return mWallpapers.get(position); + } + + public long getItemId(int position) { + return position; + } + + public View getView(int position, View convertView, ViewGroup parent) { + ViewHolder holder; + if (convertView == null) { + convertView = mInflater.inflate(R.layout.live_wallpaper_entry, parent, false); + + holder = new ViewHolder(); + holder.title = (TextView) convertView.findViewById(R.id.title_author); + holder.description = (TextView) convertView.findViewById(R.id.description); + holder.thumbnail = (ImageView) convertView.findViewById(R.id.thumbnail); + convertView.setTag(holder); + } else { + holder = (ViewHolder) convertView.getTag(); + } + + LiveWallpaperInfo wallpaperInfo = mWallpapers.get(position); + holder.thumbnail.setImageDrawable(wallpaperInfo.thumbnail); + holder.title.setText(wallpaperInfo.info.loadLabel(mPackageManager)); + try { + holder.description.setVisibility(View.VISIBLE); + holder.description.setText(Html.fromHtml( + wallpaperInfo.info.loadDescription(mPackageManager).toString())); + } catch (Resources.NotFoundException e) { + holder.description.setVisibility(View.GONE); + } + return convertView; + } + + public class LiveWallpaperInfo { + public Drawable thumbnail; + public WallpaperInfo info; + public Intent intent; + } + + private class ViewHolder { + TextView title; + TextView description; + ImageView thumbnail; + } + + private class LiveWallpaperEnumerator extends AsyncTask<Void, LiveWallpaperInfo, Void> { + private Context mContext; + + public LiveWallpaperEnumerator(Context context) { + super(); + mContext = context; + } + + @Override + protected Void doInBackground(Void... params) { + final PackageManager packageManager = mContext.getPackageManager(); + + List<ResolveInfo> list = packageManager.queryIntentServices( + new Intent(WallpaperService.SERVICE_INTERFACE), + PackageManager.GET_META_DATA); + + final Resources res = mContext.getResources(); + BitmapDrawable galleryIcon = (BitmapDrawable) res.getDrawable( + R.drawable.livewallpaper_placeholder); + Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG); + paint.setTextAlign(Paint.Align.CENTER); + Canvas canvas = new Canvas(); + + Collections.sort(list, new Comparator<ResolveInfo>() { + final Collator mCollator; + + { + mCollator = Collator.getInstance(); + } + + public int compare(ResolveInfo info1, ResolveInfo info2) { + return mCollator.compare(info1.loadLabel(packageManager), + info2.loadLabel(packageManager)); + } + }); + + for (ResolveInfo resolveInfo : list) { + WallpaperInfo info = null; + try { + info = new WallpaperInfo(mContext, resolveInfo); + } catch (XmlPullParserException e) { + Log.w(LOG_TAG, "Skipping wallpaper " + resolveInfo.serviceInfo, e); + continue; + } catch (IOException e) { + Log.w(LOG_TAG, "Skipping wallpaper " + resolveInfo.serviceInfo, e); + continue; + } + + LiveWallpaperInfo wallpaper = new LiveWallpaperInfo(); + wallpaper.intent = new Intent(WallpaperService.SERVICE_INTERFACE); + wallpaper.intent.setClassName(info.getPackageName(), info.getServiceName()); + wallpaper.info = info; + + Drawable thumb = info.loadThumbnail(packageManager); + if (thumb == null) { + int thumbWidth = res.getDimensionPixelSize( + R.dimen.live_wallpaper_thumbnail_width); + int thumbHeight = res.getDimensionPixelSize( + R.dimen.live_wallpaper_thumbnail_height); + + Bitmap thumbnail = Bitmap.createBitmap(thumbWidth, thumbHeight, + Bitmap.Config.ARGB_8888); + + paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_background)); + canvas.setBitmap(thumbnail); + canvas.drawPaint(paint); + + galleryIcon.setBounds(0, 0, thumbWidth, thumbHeight); + galleryIcon.setGravity(Gravity.CENTER); + galleryIcon.draw(canvas); + + String title = info.loadLabel(packageManager).toString(); + + paint.setColor(res.getColor(R.color.live_wallpaper_thumbnail_text_color)); + paint.setTextSize( + res.getDimensionPixelSize(R.dimen.live_wallpaper_thumbnail_text_size)); + + canvas.drawText(title, (int) (thumbWidth * 0.5), + thumbHeight - res.getDimensionPixelSize( + R.dimen.live_wallpaper_thumbnail_text_offset), paint); + + thumb = new BitmapDrawable(res, thumbnail); + } + + thumb.setDither(true); + wallpaper.thumbnail = thumb; + + publishProgress(wallpaper); + } + + return null; + } + + @Override + protected void onProgressUpdate(LiveWallpaperInfo...infos) { + for (LiveWallpaperInfo info : infos) { + mWallpapers.add(info); + LiveWallpaperListAdapter.this.notifyDataSetChanged(); + } + } + } +} |