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/*
* Copyright (C) 2016 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.server.telecom;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Handler;
import android.os.Looper;
import android.text.TextUtils;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.telephony.CallerInfo;
import com.android.internal.telephony.CallerInfoAsyncQuery;
import java.io.InputStream;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
public class CallerInfoLookupHelper {
public interface OnQueryCompleteListener {
/**
* Called when the query returns with the caller info
* @param info
* @return true if the value should be cached, false otherwise.
*/
void onCallerInfoQueryComplete(Uri handle, CallerInfo info);
void onContactPhotoQueryComplete(Uri handle, CallerInfo info);
}
private static class CallerInfoQueryInfo {
public CallerInfo callerInfo;
public List<OnQueryCompleteListener> listeners;
public boolean imageQueryPending = false;
public CallerInfoQueryInfo() {
listeners = new LinkedList<>();
}
}
private final Map<Uri, CallerInfoQueryInfo> mQueryEntries = new HashMap<>();
private final CallerInfoAsyncQueryFactory mCallerInfoAsyncQueryFactory;
private final ContactsAsyncHelper mContactsAsyncHelper;
private final Context mContext;
private final TelecomSystem.SyncRoot mLock;
private final Handler mHandler = new Handler(Looper.getMainLooper());
public CallerInfoLookupHelper(Context context,
CallerInfoAsyncQueryFactory callerInfoAsyncQueryFactory,
ContactsAsyncHelper contactsAsyncHelper,
TelecomSystem.SyncRoot lock) {
mCallerInfoAsyncQueryFactory = callerInfoAsyncQueryFactory;
mContactsAsyncHelper = contactsAsyncHelper;
mContext = context;
mLock = lock;
}
public void startLookup(final Uri handle, OnQueryCompleteListener listener) {
if (handle == null) {
return;
}
final String number = handle.getSchemeSpecificPart();
if (TextUtils.isEmpty(number)) {
return;
}
synchronized (mLock) {
if (mQueryEntries.containsKey(handle)) {
CallerInfoQueryInfo info = mQueryEntries.get(handle);
if (info.callerInfo != null) {
Log.i(this, "Caller info already exists for handle %s; using cached value",
Log.piiHandle(handle));
listener.onCallerInfoQueryComplete(handle, info.callerInfo);
if (!info.imageQueryPending && (info.callerInfo.cachedPhoto != null ||
info.callerInfo.cachedPhotoIcon != null)) {
listener.onContactPhotoQueryComplete(handle, info.callerInfo);
} else if (info.imageQueryPending) {
Log.i(this, "There is a previously incomplete query for handle %s. " +
"Adding to listeners for this query.", Log.piiHandle(handle));
info.listeners.add(listener);
}
} else {
Log.i(this, "There is a previously incomplete query for handle %s. Adding to " +
"listeners for this query.", Log.piiHandle(handle));
info.listeners.add(listener);
return;
}
} else {
CallerInfoQueryInfo info = new CallerInfoQueryInfo();
info.listeners.add(listener);
mQueryEntries.put(handle, info);
}
}
mHandler.post(new Runnable("CILH.sL", mLock) {
@Override
public void loggedRun() {
Session continuedSession = Log.createSubsession();
try {
CallerInfoAsyncQuery query = mCallerInfoAsyncQueryFactory.startQuery(
0, mContext, number,
makeCallerInfoQueryListener(handle), continuedSession);
if (query == null) {
Log.w(this, "Lookup failed for %s.", Log.piiHandle(handle));
Log.cancelSubsession(continuedSession);
}
} catch (Throwable t) {
Log.cancelSubsession(continuedSession);
throw t;
}
}
}.prepare());
}
private CallerInfoAsyncQuery.OnQueryCompleteListener makeCallerInfoQueryListener(
final Uri handle) {
return (token, cookie, ci) -> {
synchronized (mLock) {
Log.continueSession((Session) cookie, "CILH.oQC");
try {
if (mQueryEntries.containsKey(handle)) {
CallerInfoQueryInfo info = mQueryEntries.get(handle);
for (OnQueryCompleteListener l : info.listeners) {
l.onCallerInfoQueryComplete(handle, ci);
}
if (ci.contactDisplayPhotoUri == null) {
mQueryEntries.remove(handle);
} else {
info.callerInfo = ci;
info.imageQueryPending = true;
startPhotoLookup(handle, ci.contactDisplayPhotoUri);
}
} else {
Log.i(CallerInfoLookupHelper.this, "CI query for handle %s has completed," +
" but there are no listeners left.", Log.piiHandle(handle));
}
} finally {
Log.endSession();
}
}
};
}
private void startPhotoLookup(final Uri handle, final Uri contactPhotoUri) {
mHandler.post(new Runnable("CILH.sPL", mLock) {
@Override
public void loggedRun() {
Session continuedSession = Log.createSubsession();
try {
mContactsAsyncHelper.startObtainPhotoAsync(
0, mContext, contactPhotoUri,
makeContactPhotoListener(handle), continuedSession);
} catch (Throwable t) {
Log.cancelSubsession(continuedSession);
throw t;
}
}
}.prepare());
}
private ContactsAsyncHelper.OnImageLoadCompleteListener makeContactPhotoListener(
final Uri handle) {
return (token, photo, photoIcon, cookie) -> {
synchronized (mLock) {
Log.continueSession((Session) cookie, "CLIH.oILC");
try {
if (mQueryEntries.containsKey(handle)) {
CallerInfoQueryInfo info = mQueryEntries.get(handle);
if (info.callerInfo == null) {
Log.w(CallerInfoLookupHelper.this, "Photo query finished, but the " +
"CallerInfo object previously looked up was not cached.");
return;
}
info.callerInfo.cachedPhoto = photo;
info.callerInfo.cachedPhotoIcon = photoIcon;
for (OnQueryCompleteListener l : info.listeners) {
l.onContactPhotoQueryComplete(handle, info.callerInfo);
}
mQueryEntries.remove(handle);
} else {
Log.i(CallerInfoLookupHelper.this, "Photo query for handle %s has" +
" completed, but there are no listeners left.",
Log.piiHandle(handle));
}
} finally {
Log.endSession();
}
}
};
}
@VisibleForTesting
public Map<Uri, CallerInfoQueryInfo> getCallerInfoEntries() {
return mQueryEntries;
}
@VisibleForTesting
public Handler getHandler() {
return mHandler;
}
}
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