1 files changed, 214 insertions, 0 deletions
diff --git a/src/com/android/wallpaper/livepicker/LiveWallpaperListActivity.java b/src/com/android/wallpaper/livepicker/LiveWallpaperListActivity.java
new file mode 100644
index 0000000..44493ee
--- /dev/null
+++ b/src/com/android/wallpaper/livepicker/LiveWallpaperListActivity.java
@@ -0,0 +1,214 @@
+/*
+ * Copyright (C) 2009 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.ListActivity;
+import android.app.WallpaperInfo;
+import android.os.Bundle;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ComponentInfo;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.Paint;
+import android.graphics.Canvas;
+import android.graphics.Bitmap;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.LayoutInflater;
+import android.service.wallpaper.WallpaperService;
+import android.widget.BaseAdapter;
+import android.widget.TextView;
+import android.widget.ImageView;
+import android.widget.AdapterView;
+import android.text.Html;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.io.IOException;
+
+import org.xmlpull.v1.XmlPullParserException;
+
+public class LiveWallpaperListActivity extends ListActivity implements AdapterView.OnItemClickListener {
+    private static final String LOG_TAG = "LiveWallpapersPicker";
+
+    private static final int REQUEST_PREVIEW = 100;
+    
+    private PackageManager mPackageManager;
+
+    private ArrayList<Drawable> mThumbnails;
+    private ArrayList<WallpaperInfo> mWallpaperInfos;
+    private ArrayList<Intent> mWallpaperIntents;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.live_wallpaper_list);
+
+        mPackageManager = getPackageManager();
+
+        findLiveWallpapers();
+
+        setListAdapter(new LiveWallpapersAdapter());
+        getListView().setOnItemClickListener(this);
+    }
+
+    private void findLiveWallpapers() {
+        List<ResolveInfo> list = mPackageManager.queryIntentServices(
+                new Intent(WallpaperService.SERVICE_INTERFACE),
+                PackageManager.GET_META_DATA);
+        
+        int listSize = list.size();
+
+        mThumbnails = new ArrayList<Drawable>(listSize);
+        mWallpaperIntents = new ArrayList<Intent>(listSize);
+        mWallpaperInfos = new ArrayList<WallpaperInfo>(listSize);
+
+        Resources res = getResources();
+        Drawable galleryIcon = 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();
+
+        for (int i = 0; i < listSize; i++) {
+            ResolveInfo resolveInfo = list.get(i);
+            ComponentInfo ci = resolveInfo.serviceInfo;
+            WallpaperInfo info;
+            try {
+                info = new WallpaperInfo(this, resolveInfo);
+            } catch (XmlPullParserException e) {
+                Log.w(LOG_TAG, "Skipping wallpaper " + ci, e);
+                continue;
+            } catch (IOException e) {
+                Log.w(LOG_TAG, "Skipping wallpaper " + ci, e);
+                continue;
+            }
+
+            String packageName = info.getPackageName();
+            String className = info.getServiceName();
+
+            Intent intent = new Intent(WallpaperService.SERVICE_INTERFACE);
+            intent.setClassName(packageName, className);
+
+            mWallpaperIntents.add(intent);
+            mWallpaperInfos.add(info);
+
+            Drawable thumb = info.loadThumbnail(mPackageManager);
+            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);
+                ((BitmapDrawable) galleryIcon).setGravity(Gravity.CENTER);
+                galleryIcon.draw(canvas);
+
+                String title = info.loadLabel(mPackageManager).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);
+            mThumbnails.add(thumb);
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        if (requestCode == REQUEST_PREVIEW) {
+            if (resultCode == RESULT_OK) finish();
+        }
+    }
+
+    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        final Intent intent = mWallpaperIntents.get(position);
+        final WallpaperInfo info = mWallpaperInfos.get(position);
+        LiveWallpaperPreview.showPreview(this, REQUEST_PREVIEW, intent, info);
+    }
+
+    static class ViewHolder {
+        TextView titleAuthor;
+        TextView description;
+        ImageView thumbnail;
+    }
+
+    private class LiveWallpapersAdapter extends BaseAdapter {
+        private final LayoutInflater mInflater;
+
+        LiveWallpapersAdapter() {
+            mInflater = LayoutInflater.from(LiveWallpaperListActivity.this);
+        }
+
+        public int getCount() {
+            return mWallpaperInfos.size();
+        }
+
+        public Object getItem(int position) {
+            return mWallpaperInfos.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.titleAuthor = (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();
+            }
+
+            WallpaperInfo info = mWallpaperInfos.get(position);
+            holder.thumbnail.setImageDrawable(mThumbnails.get(position));
+            holder.titleAuthor.setText(getString(R.string.wallpaper_title_and_author,
+                    info.loadLabel(mPackageManager), info.loadAuthor(mPackageManager)));
+            holder.description.setText(Html.fromHtml(
+                    info.loadDescription(mPackageManager).toString()));
+
+            return convertView;
+        }
+    }
+}