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/*
* 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.launcher2;
import com.android.launcher.R;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProviderInfo;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.Region.Op;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import java.util.List;
public class WidgetListAdapter extends BaseAdapter {
private final Launcher mLauncher;
private List<AppWidgetProviderInfo> mWidgets;
private final Canvas mCanvas = new Canvas();
private final int[] mTempSize = new int[2];
private final Rect mTempRect = new Rect();
private static final String TAG = "Launcher.WidgetGalleryAdapter";
WidgetListAdapter(Launcher launcher) {
mLauncher = launcher;
mWidgets = AppWidgetManager.getInstance(launcher).getInstalledProviders();
}
public int getCount() {
return mWidgets.size();
}
public Object getItem(int position) {
return mWidgets.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
TextView textView;
if (convertView == null) {
LayoutInflater inflater =
(LayoutInflater)mLauncher.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
textView = (TextView) inflater.inflate(
R.layout.home_customization_drawer_item, parent, false);
} else {
textView = (TextView) convertView;
}
AppWidgetProviderInfo info = mWidgets.get(position);
PackageManager packageManager = mLauncher.getPackageManager();
String packageName = info.provider.getPackageName();
Drawable drawable = null;
if (info.previewImage != 0) {
drawable = packageManager.getDrawable(packageName, info.previewImage, null);
if (drawable == null) {
Log.w(TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon)
+ " for provider: " + info.provider);
}
}
// If we don't have a preview image, create a default one
if (drawable == null) {
Resources resources = mLauncher.getResources();
// Determine the size the widget will take in the layout
mLauncher.getWorkspace().estimateChildSize(info.minWidth, info.minHeight, mTempSize);
// Create a new bitmap to hold the widget preview
final int width = mTempSize[0];
final int height = mTempSize[1];
Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
mCanvas.setBitmap(bitmap);
// For some reason, we must re-set the clip rect here, otherwise it will be wrong
mCanvas.clipRect(0, 0, width, height, Op.REPLACE);
Drawable background = resources.getDrawable(R.drawable.default_widget_preview);
background.setBounds(0, 0, width, height);
background.draw(mCanvas);
// Draw the icon vertically centered, flush left
Drawable icon = packageManager.getDrawable(packageName, info.icon, null);
background.getPadding(mTempRect);
final int left = mTempRect.left;
final int top = (height - icon.getIntrinsicHeight()) / 2;
icon.setBounds(
left, top, left + icon.getIntrinsicWidth(), top + icon.getIntrinsicHeight());
icon.draw(mCanvas);
drawable = new BitmapDrawable(resources, bitmap);
}
drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
textView.setCompoundDrawables(null, drawable, null, null);
textView.setText(info.label);
// Store the widget info on the associated view so we can easily fetch it later
textView.setTag(info);
return textView;
}
}
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