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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.incallui.answer.impl.hint;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.support.annotation.NonNull;
import android.support.annotation.VisibleForTesting;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.android.dialer.configprovider.ConfigProviderBindings;
import com.android.dialer.util.DialerUtils;
import com.android.incallui.util.AccessibilityUtil;
/**
* Selects a AnswerHint to show. If there's no suitable hints {@link EmptyAnswerHint} will be used,
* which does nothing.
*/
public class AnswerHintFactory {
@VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
static final String CONFIG_ANSWER_HINT_ANSWERED_THRESHOLD_KEY = "answer_hint_answered_threshold";
@VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
static final String CONFIG_ANSWER_HINT_WHITELISTED_DEVICES_KEY =
"answer_hint_whitelisted_devices";
// Most popular devices released before NDR1 is whitelisted. Their user are likely to have seen
// the legacy UI.
private static final String DEFAULT_WHITELISTED_DEVICES_CSV =
"/hammerhead//bullhead//angler//shamu//gm4g//gm4g_s//AQ4501//gce_x86_phone//gm4gtkc_s/"
+ "/Sparkle_V//Mi-498//AQ4502//imobileiq2//A65//H940//m8_google//m0xx//A10//ctih220/"
+ "/Mi438S//bacon/";
@VisibleForTesting
static final String ANSWERED_COUNT_PREFERENCE_KEY = "answer_hint_answered_count";
private final PawImageLoader pawImageLoader;
public AnswerHintFactory(@NonNull PawImageLoader pawImageLoader) {
this.pawImageLoader = Assert.isNotNull(pawImageLoader);
}
@NonNull
public AnswerHint create(Context context, long puckUpDuration, long puckUpDelay) {
if (shouldShowAnswerHint(context, Build.PRODUCT)) {
return new DotAnswerHint(context, puckUpDuration, puckUpDelay);
}
// Display the event answer hint if the payload is available.
Drawable eventPayload = pawImageLoader.loadPayload(context);
if (eventPayload != null) {
return new PawAnswerHint(context, eventPayload, puckUpDuration, puckUpDelay);
}
return new EmptyAnswerHint();
}
public static void increaseAnsweredCount(Context context) {
SharedPreferences sharedPreferences =
DialerUtils.getDefaultSharedPreferenceForDeviceProtectedStorageContext(context);
int answeredCount = sharedPreferences.getInt(ANSWERED_COUNT_PREFERENCE_KEY, 0);
sharedPreferences.edit().putInt(ANSWERED_COUNT_PREFERENCE_KEY, answeredCount + 1).apply();
}
@VisibleForTesting
static boolean shouldShowAnswerHint(Context context, String device) {
if (AccessibilityUtil.isTouchExplorationEnabled(context)) {
return false;
}
// Devices that has the legacy dialer installed are whitelisted as they are likely to go through
// a UX change during updates.
if (!isDeviceWhitelisted(context, device)) {
return false;
}
// If the user has gone through the process a few times we can assume they have learnt the
// method.
int answeredCount =
DialerUtils.getDefaultSharedPreferenceForDeviceProtectedStorageContext(context)
.getInt(ANSWERED_COUNT_PREFERENCE_KEY, 0);
long threshold =
ConfigProviderBindings.get(context).getLong(CONFIG_ANSWER_HINT_ANSWERED_THRESHOLD_KEY, 3);
LogUtil.i(
"AnswerHintFactory.shouldShowAnswerHint",
"answerCount: %d, threshold: %d",
answeredCount,
threshold);
return answeredCount < threshold;
}
/**
* @param device should be the value of{@link Build#PRODUCT}.
* @param configProvider should provide a list of devices quoted with '/' concatenated to a
* string.
*/
private static boolean isDeviceWhitelisted(Context context, String device) {
return ConfigProviderBindings.get(context)
.getString(CONFIG_ANSWER_HINT_WHITELISTED_DEVICES_KEY, DEFAULT_WHITELISTED_DEVICES_CSV)
.contains("/" + device + "/");
}
}
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