Move CallerInfo lookup into a utility class
In preparation for parallelizing the three call-blocking lookup
operations, move the caller info/contact photo lookup out of the call
class.
Bug: 26883888
Change-Id: I9e00b21a3c5ce5c725fa91ec229f104e7c65c81e
diff --git a/src/com/android/server/telecom/CallerInfoLookupHelper.java b/src/com/android/server/telecom/CallerInfoLookupHelper.java
new file mode 100644
index 0000000..263f859
--- /dev/null
+++ b/src/com/android/server/telecom/CallerInfoLookupHelper.java
@@ -0,0 +1,216 @@
+/*
+ * 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 Object mLock = new Object();
+ private final Handler mHandler = new Handler(Looper.getMainLooper());
+
+ public CallerInfoLookupHelper(Context context,
+ CallerInfoAsyncQueryFactory callerInfoAsyncQueryFactory,
+ ContactsAsyncHelper contactsAsyncHelper) {
+ mCallerInfoAsyncQueryFactory = callerInfoAsyncQueryFactory;
+ mContactsAsyncHelper = contactsAsyncHelper;
+ mContext = context;
+ }
+
+ 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") {
+ @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.", handle);
+ }
+ } finally {
+ Log.endSession();
+ }
+ }
+ };
+ }
+
+ private void startPhotoLookup(final Uri handle, final Uri contactPhotoUri) {
+ mHandler.post(new Runnable("CILH.sPL") {
+ @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.", handle);
+ }
+ } finally {
+ Log.endSession();
+ }
+ }
+ };
+ }
+
+ @VisibleForTesting
+ public Map<Uri, CallerInfoQueryInfo> getCallerInfoEntries() {
+ return mQueryEntries;
+ }
+
+ @VisibleForTesting
+ public Handler getHandler() {
+ return mHandler;
+ }
+}