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/*
* Copyright (C) 2011 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.dialer;
import android.database.Cursor;
import android.net.Uri;
import android.provider.VoicemailContract.Status;
import android.provider.VoicemailContract.Voicemails;
import android.util.Log;
import com.android.common.io.MoreCloseables;
import com.android.contacts.common.database.NoNullCursorAsyncQueryHandler;
import com.android.dialer.voicemail.VoicemailStatusHelperImpl;
/**
* Class used by {@link CallDetailActivity} to fire async content resolver queries.
*/
public class CallDetailActivityQueryHandler extends NoNullCursorAsyncQueryHandler {
private static final String TAG = "CallDetail";
private static final int QUERY_VOICEMAIL_CONTENT_TOKEN = 101;
private static final int QUERY_VOICEMAIL_STATUS_TOKEN = 102;
private final String[] VOICEMAIL_CONTENT_PROJECTION = new String[] {
Voicemails.SOURCE_PACKAGE,
Voicemails.HAS_CONTENT
};
private static final int SOURCE_PACKAGE_COLUMN_INDEX = 0;
private static final int HAS_CONTENT_COLUMN_INDEX = 1;
private final CallDetailActivity mCallDetailActivity;
public CallDetailActivityQueryHandler(CallDetailActivity callDetailActivity) {
super(callDetailActivity.getContentResolver());
mCallDetailActivity = callDetailActivity;
}
/**
* Fires a query to update voicemail status for the given voicemail record. On completion of the
* query a call to {@link CallDetailActivity#updateVoicemailStatusMessage(Cursor)} is made.
* <p>
* if this is a voicemail record then it makes up to two asynchronous content resolver queries.
* The first one to fetch voicemail content details and check if the voicemail record has audio.
* If the voicemail record does not have an audio yet then it fires the second query to get the
* voicemail status of the associated source.
*/
public void startVoicemailStatusQuery(Uri voicemailUri) {
startQuery(QUERY_VOICEMAIL_CONTENT_TOKEN, null, voicemailUri, VOICEMAIL_CONTENT_PROJECTION,
null, null, null);
}
@Override
protected synchronized void onNotNullableQueryComplete(int token, Object cookie,
Cursor cursor) {
try {
if (token == QUERY_VOICEMAIL_CONTENT_TOKEN) {
// Query voicemail status only if this voicemail record does not have audio.
if (moveToFirst(cursor) && hasNoAudio(cursor)) {
startQuery(QUERY_VOICEMAIL_STATUS_TOKEN, null,
Status.buildSourceUri(getSourcePackage(cursor)),
VoicemailStatusHelperImpl.PROJECTION, null, null, null);
} else {
// nothing to show in status
mCallDetailActivity.updateVoicemailStatusMessage(null);
}
} else if (token == QUERY_VOICEMAIL_STATUS_TOKEN) {
mCallDetailActivity.updateVoicemailStatusMessage(cursor);
} else {
Log.w(TAG, "Unknown query completed: ignoring: " + token);
}
} finally {
MoreCloseables.closeQuietly(cursor);
}
}
/** Check that the cursor is non-null and can be moved to first. */
private boolean moveToFirst(Cursor cursor) {
if (cursor == null || !cursor.moveToFirst()) {
Log.e(TAG, "Cursor not valid, could not move to first");
return false;
}
return true;
}
private boolean hasNoAudio(Cursor voicemailCursor) {
return voicemailCursor.getInt(HAS_CONTENT_COLUMN_INDEX) == 0;
}
private String getSourcePackage(Cursor voicemailCursor) {
return voicemailCursor.getString(SOURCE_PACKAGE_COLUMN_INDEX);
}
}
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