| /* |
| * 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.contacts.common.list; |
| |
| import android.content.AsyncTaskLoader; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.database.ContentObserver; |
| import android.database.Cursor; |
| import android.database.MatrixCursor; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.provider.ContactsContract; |
| import android.provider.ContactsContract.Directory; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.contacts.common.ContactsUtils; |
| import com.android.contacts.common.R; |
| import com.android.contacts.common.compat.DirectoryCompat; |
| |
| /** |
| * A specialized loader for the list of directories, see {@link Directory}. |
| */ |
| public class DirectoryListLoader extends AsyncTaskLoader<Cursor> { |
| |
| private static final String TAG = "ContactEntryListAdapter"; |
| |
| public static final int SEARCH_MODE_NONE = 0; |
| public static final int SEARCH_MODE_DEFAULT = 1; |
| public static final int SEARCH_MODE_CONTACT_SHORTCUT = 2; |
| public static final int SEARCH_MODE_DATA_SHORTCUT = 3; |
| |
| private static final class DirectoryQuery { |
| public static final String ORDER_BY = Directory._ID; |
| |
| public static final String[] PROJECTION = { |
| Directory._ID, |
| Directory.PACKAGE_NAME, |
| Directory.TYPE_RESOURCE_ID, |
| Directory.DISPLAY_NAME, |
| Directory.PHOTO_SUPPORT, |
| }; |
| |
| public static final int ID = 0; |
| public static final int PACKAGE_NAME = 1; |
| public static final int TYPE_RESOURCE_ID = 2; |
| public static final int DISPLAY_NAME = 3; |
| public static final int PHOTO_SUPPORT = 4; |
| |
| public static Uri getDirectoryUri(int mode) { |
| if (mode == SEARCH_MODE_DATA_SHORTCUT || mode == SEARCH_MODE_CONTACT_SHORTCUT) { |
| return Directory.CONTENT_URI; |
| } else { |
| return DirectoryCompat.getContentUri(); |
| } |
| } |
| } |
| |
| // This is a virtual column created for a MatrixCursor. |
| public static final String DIRECTORY_TYPE = "directoryType"; |
| |
| private static final String[] RESULT_PROJECTION = { |
| Directory._ID, |
| DIRECTORY_TYPE, |
| Directory.DISPLAY_NAME, |
| Directory.PHOTO_SUPPORT, |
| }; |
| |
| private final ContentObserver mObserver = new ContentObserver(new Handler()) { |
| @Override |
| public void onChange(boolean selfChange) { |
| forceLoad(); |
| } |
| }; |
| |
| private int mDirectorySearchMode; |
| private boolean mLocalInvisibleDirectoryEnabled; |
| |
| private MatrixCursor mDefaultDirectoryList; |
| |
| public DirectoryListLoader(Context context) { |
| super(context); |
| } |
| |
| public void setDirectorySearchMode(int mode) { |
| mDirectorySearchMode = mode; |
| } |
| |
| /** |
| * A flag that indicates whether the {@link Directory#LOCAL_INVISIBLE} directory should |
| * be included in the results. |
| */ |
| public void setLocalInvisibleDirectoryEnabled(boolean flag) { |
| this.mLocalInvisibleDirectoryEnabled = flag; |
| } |
| |
| @Override |
| protected void onStartLoading() { |
| getContext().getContentResolver(). |
| registerContentObserver(DirectoryQuery.getDirectoryUri(mDirectorySearchMode), |
| false, mObserver); |
| forceLoad(); |
| } |
| |
| @Override |
| protected void onStopLoading() { |
| getContext().getContentResolver().unregisterContentObserver(mObserver); |
| } |
| |
| @Override |
| public Cursor loadInBackground() { |
| if (mDirectorySearchMode == SEARCH_MODE_NONE) { |
| return getDefaultDirectories(); |
| } |
| |
| MatrixCursor result = new MatrixCursor(RESULT_PROJECTION); |
| Context context = getContext(); |
| PackageManager pm = context.getPackageManager(); |
| String selection; |
| switch (mDirectorySearchMode) { |
| case SEARCH_MODE_DEFAULT: |
| selection = null; |
| break; |
| |
| case SEARCH_MODE_CONTACT_SHORTCUT: |
| selection = Directory.SHORTCUT_SUPPORT + "=" + Directory.SHORTCUT_SUPPORT_FULL; |
| break; |
| |
| case SEARCH_MODE_DATA_SHORTCUT: |
| selection = Directory.SHORTCUT_SUPPORT + " IN (" |
| + Directory.SHORTCUT_SUPPORT_FULL + ", " |
| + Directory.SHORTCUT_SUPPORT_DATA_ITEMS_ONLY + ")"; |
| break; |
| |
| default: |
| throw new RuntimeException( |
| "Unsupported directory search mode: " + mDirectorySearchMode); |
| } |
| Cursor cursor = null; |
| try { |
| cursor = context.getContentResolver().query( |
| DirectoryQuery.getDirectoryUri(mDirectorySearchMode), |
| DirectoryQuery.PROJECTION, selection, null, DirectoryQuery.ORDER_BY); |
| |
| if (cursor == null) { |
| return result; |
| } |
| |
| while(cursor.moveToNext()) { |
| long directoryId = cursor.getLong(DirectoryQuery.ID); |
| if (!mLocalInvisibleDirectoryEnabled |
| && DirectoryCompat.isInvisibleDirectory(directoryId)) { |
| continue; |
| } |
| String directoryType = null; |
| |
| String packageName = cursor.getString(DirectoryQuery.PACKAGE_NAME); |
| int typeResourceId = cursor.getInt(DirectoryQuery.TYPE_RESOURCE_ID); |
| if (!TextUtils.isEmpty(packageName) && typeResourceId != 0) { |
| try { |
| directoryType = pm.getResourcesForApplication(packageName) |
| .getString(typeResourceId); |
| } catch (Exception e) { |
| Log.e(TAG, "Cannot obtain directory type from package: " + packageName); |
| } |
| } |
| String displayName = cursor.getString(DirectoryQuery.DISPLAY_NAME); |
| int photoSupport = cursor.getInt(DirectoryQuery.PHOTO_SUPPORT); |
| result.addRow(new Object[]{directoryId, directoryType, displayName, photoSupport}); |
| } |
| } catch (RuntimeException e) { |
| Log.w(TAG, "Runtime Exception when querying directory"); |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| } |
| |
| return result; |
| } |
| |
| private Cursor getDefaultDirectories() { |
| if (mDefaultDirectoryList == null) { |
| mDefaultDirectoryList = new MatrixCursor(RESULT_PROJECTION); |
| mDefaultDirectoryList.addRow(new Object[] { |
| Directory.DEFAULT, |
| getContext().getString(R.string.contactsList), |
| null, |
| null |
| }); |
| mDefaultDirectoryList.addRow(new Object[] { |
| Directory.LOCAL_INVISIBLE, |
| getContext().getString(R.string.local_invisible_directory), |
| null, |
| null |
| }); |
| } |
| return mDefaultDirectoryList; |
| } |
| |
| @Override |
| protected void onReset() { |
| stopLoading(); |
| } |
| } |