diff options
Diffstat (limited to 'src/com/android/launcher3/LiveWallpaperListAdapter.java')
| -rw-r--r-- | src/com/android/launcher3/LiveWallpaperListAdapter.java | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/com/android/launcher3/LiveWallpaperListAdapter.java b/src/com/android/launcher3/LiveWallpaperListAdapter.java new file mode 100644 index 000000000..a6facaa02 --- /dev/null +++ b/src/com/android/launcher3/LiveWallpaperListAdapter.java @@ -0,0 +1,237 @@ +/* + * 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.launcher3; + +import android.app.WallpaperInfo; +import android.content.Context; +import android.content.Intent; +import android.content.pm.ApplicationInfo; +import android.content.pm.PackageInfo; +import android.content.pm.PackageManager; +import android.content.pm.PackageManager.NameNotFoundException; +import android.content.pm.ResolveInfo; +import android.graphics.drawable.Drawable; +import android.os.AsyncTask; +import android.service.wallpaper.WallpaperService; +import android.util.Log; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.BaseAdapter; +import android.widget.FrameLayout; +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; + + @SuppressWarnings("unchecked") + public LiveWallpaperListAdapter(Context context) { + mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); + mPackageManager = context.getPackageManager(); + + List<ResolveInfo> list = mPackageManager.queryIntentServices( + new Intent(WallpaperService.SERVICE_INTERFACE), + PackageManager.GET_META_DATA); + + mWallpapers = generatePlaceholderViews(list.size()); + + new LiveWallpaperEnumerator(context).execute(list); + } + + private List<LiveWallpaperInfo> generatePlaceholderViews(int amount) { + ArrayList<LiveWallpaperInfo> list = new ArrayList<LiveWallpaperInfo>(amount); + for (int i = 0; i < amount; i++) { + LiveWallpaperInfo info = new LiveWallpaperInfo(); + list.add(info); + } + return list; + } + + 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) { + View view; + + if (convertView == null) { + view = mInflater.inflate(R.layout.live_wallpaper_picker_item, parent, false); + } else { + view = convertView; + } + + WallpaperPickerActivity.setWallpaperItemPaddingToZero((FrameLayout) view); + + LiveWallpaperInfo wallpaperInfo = mWallpapers.get(position); + ImageView image = (ImageView) view.findViewById(R.id.wallpaper_image); + ImageView icon = (ImageView) view.findViewById(R.id.wallpaper_icon); + if (wallpaperInfo.thumbnail != null) { + image.setImageDrawable(wallpaperInfo.thumbnail); + icon.setVisibility(View.GONE); + } else { + icon.setImageDrawable(wallpaperInfo.info.loadIcon(mPackageManager)); + icon.setVisibility(View.VISIBLE); + } + + TextView label = (TextView) view.findViewById(R.id.wallpaper_item_label); + label.setText(wallpaperInfo.info.loadLabel(mPackageManager)); + + return view; + } + + public class LiveWallpaperInfo { + public Drawable thumbnail; + public WallpaperInfo info; + public Intent intent; + } + + private class LiveWallpaperEnumerator extends + AsyncTask<List<ResolveInfo>, LiveWallpaperInfo, Void> { + private Context mContext; + private int mWallpaperPosition; + + public LiveWallpaperEnumerator(Context context) { + super(); + mContext = context; + mWallpaperPosition = 0; + } + + @Override + protected Void doInBackground(List<ResolveInfo>... params) { + final PackageManager packageManager = mContext.getPackageManager(); + + List<ResolveInfo> list = params[0]; + + 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); + // TODO: generate a default thumb + /* + final Resources res = mContext.getResources(); + Canvas canvas = new Canvas(); + Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG); + paint.setTextAlign(Paint.Align.CENTER); + BitmapDrawable galleryIcon = (BitmapDrawable) res.getDrawable( + R.drawable.livewallpaper_placeholder); + 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); + }*/ + wallpaper.thumbnail = thumb; + publishProgress(wallpaper); + } + + return null; + } + + @Override + protected void onProgressUpdate(LiveWallpaperInfo...infos) { + for (LiveWallpaperInfo info : infos) { + info.thumbnail.setDither(true); + if (mWallpaperPosition < mWallpapers.size()) { + mWallpapers.set(mWallpaperPosition, info); + } else { + mWallpapers.add(info); + } + mWallpaperPosition++; + if (mWallpaperPosition == getCount()) { + LiveWallpaperListAdapter.this.notifyDataSetChanged(); + } + } + } + } +} |