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https://github.com/LawnchairLauncher/lawnchair.git
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Code drop from //branches/cupcake/...@124589
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The Android Open Source Project
205
src/com/android/launcher/LiveFolderAdapter.java
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205
src/com/android/launcher/LiveFolderAdapter.java
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher;
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import android.widget.CursorAdapter;
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import android.widget.TextView;
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import android.widget.ImageView;
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import android.content.Context;
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import android.content.Intent;
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import android.content.res.Resources;
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import android.content.pm.PackageManager;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.LayoutInflater;
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import android.database.Cursor;
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import android.provider.LiveFolders;
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import android.graphics.drawable.Drawable;
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import android.graphics.BitmapFactory;
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import android.graphics.Bitmap;
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import java.net.URISyntaxException;
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import java.util.HashMap;
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import java.lang.ref.SoftReference;
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class LiveFolderAdapter extends CursorAdapter {
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private boolean mIsList;
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private LayoutInflater mInflater;
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private final HashMap<String, Drawable> mIcons = new HashMap<String, Drawable>();
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private final HashMap<Long, SoftReference<Drawable>> mCustomIcons =
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new HashMap<Long, SoftReference<Drawable>>();
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private final Launcher mLauncher;
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LiveFolderAdapter(Launcher launcher, LiveFolderInfo info) {
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super(launcher, query(launcher, info), true);
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mIsList = info.displayMode == LiveFolders.DISPLAY_MODE_LIST;
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mInflater = LayoutInflater.from(launcher);
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mLauncher = launcher;
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mLauncher.startManagingCursor(getCursor());
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}
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private static Cursor query(Context context, LiveFolderInfo info) {
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return context.getContentResolver().query(info.uri, null, null, null, LiveFolders.NAME + " ASC");
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}
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public View newView(Context context, Cursor cursor, ViewGroup parent) {
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View view;
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final ViewHolder holder = new ViewHolder();
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if (!mIsList) {
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view = mInflater.inflate(R.layout.application_boxed, parent, false);
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} else {
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view = mInflater.inflate(R.layout.application_list, parent, false);
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holder.description = (TextView) view.findViewById(R.id.description);
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holder.icon = (ImageView) view.findViewById(R.id.icon);
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}
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holder.name = (TextView) view.findViewById(R.id.name);
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holder.idIndex = cursor.getColumnIndexOrThrow(LiveFolders._ID);
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holder.nameIndex = cursor.getColumnIndexOrThrow(LiveFolders.NAME);
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holder.descriptionIndex = cursor.getColumnIndex(LiveFolders.DESCRIPTION);
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holder.intentIndex = cursor.getColumnIndex(LiveFolders.INTENT);
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holder.iconBitmapIndex = cursor.getColumnIndex(LiveFolders.ICON_BITMAP);
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holder.iconResourceIndex = cursor.getColumnIndex(LiveFolders.ICON_RESOURCE);
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holder.iconPackageIndex = cursor.getColumnIndex(LiveFolders.ICON_PACKAGE);
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view.setTag(holder);
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return view;
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}
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public void bindView(View view, Context context, Cursor cursor) {
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final ViewHolder holder = (ViewHolder) view.getTag();
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holder.id = cursor.getLong(holder.idIndex);
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final Drawable icon = loadIcon(context, cursor, holder);
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holder.name.setText(cursor.getString(holder.nameIndex));
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if (!mIsList) {
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holder.name.setCompoundDrawablesWithIntrinsicBounds(null, icon, null, null);
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} else {
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final boolean hasIcon = icon != null;
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holder.icon.setVisibility(hasIcon ? View.VISIBLE : View.GONE);
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if (hasIcon) holder.icon.setImageDrawable(icon);
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if (holder.descriptionIndex != -1) {
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final String description = cursor.getString(holder.descriptionIndex);
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if (description != null) {
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holder.description.setText(description);
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holder.description.setVisibility(View.VISIBLE);
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} else {
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holder.description.setVisibility(View.GONE);
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}
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} else {
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holder.description.setVisibility(View.GONE);
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}
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}
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if (holder.intentIndex != -1) {
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try {
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holder.intent = Intent.getIntent(cursor.getString(holder.intentIndex));
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} catch (URISyntaxException e) {
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// Ignore
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}
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} else {
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holder.useBaseIntent = true;
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}
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}
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private Drawable loadIcon(Context context, Cursor cursor, ViewHolder holder) {
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Drawable icon = null;
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byte[] data = null;
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if (holder.iconBitmapIndex != -1) {
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data = cursor.getBlob(holder.iconBitmapIndex);
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}
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if (data != null) {
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final SoftReference<Drawable> reference = mCustomIcons.get(holder.id);
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if (reference != null) {
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icon = reference.get();
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}
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if (icon == null) {
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final Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
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icon = new FastBitmapDrawable(Utilities.createBitmapThumbnail(bitmap, mContext));
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mCustomIcons.put(holder.id, new SoftReference<Drawable>(icon));
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}
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} else if (holder.iconResourceIndex != -1 && holder.iconPackageIndex != -1) {
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final String resource = cursor.getString(holder.iconResourceIndex);
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icon = mIcons.get(resource);
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if (icon == null) {
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try {
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final PackageManager packageManager = context.getPackageManager();
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Resources resources = packageManager.getResourcesForApplication(
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cursor.getString(holder.iconPackageIndex));
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final int id = resources.getIdentifier(resource,
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null, null);
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icon = Utilities.createIconThumbnail(resources.getDrawable(id), mContext);
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mIcons.put(resource, icon);
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} catch (Exception e) {
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// Ignore
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}
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}
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}
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return icon;
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}
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void cleanup() {
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for (Drawable icon : mIcons.values()) {
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icon.setCallback(null);
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}
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mIcons.clear();
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for (SoftReference<Drawable> icon : mCustomIcons.values()) {
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final Drawable drawable = icon.get();
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if (drawable != null) {
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drawable.setCallback(null);
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}
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}
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mCustomIcons.clear();
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try {
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getCursor().close();
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} finally {
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mLauncher.stopManagingCursor(getCursor());
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}
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}
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static class ViewHolder {
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TextView name;
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TextView description;
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ImageView icon;
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Intent intent;
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long id;
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boolean useBaseIntent;
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int idIndex;
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int nameIndex;
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int descriptionIndex = -1;
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int intentIndex = -1;
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int iconBitmapIndex = -1;
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int iconResourceIndex = -1;
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int iconPackageIndex = -1;
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}
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}
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