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/*
* Copyright (C) 2017 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.preferredsim.suggestion;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.annotation.WorkerThread;
import android.telecom.PhoneAccountHandle;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.google.common.base.Optional;
import java.util.ArrayList;
import java.util.List;
/** Provides hints to the user when selecting a SIM to make a call. */
public interface SuggestionProvider {
String EXTRA_SIM_SUGGESTION_REASON = "sim_suggestion_reason";
/** The reason the suggestion is made. */
enum Reason {
UNKNOWN,
// The SIM has the same carrier as the callee.
INTRA_CARRIER,
// The user has selected the SIM for the callee multiple times.
FREQUENT,
// The user has select the SIM for this category of calls (contacts from certain accounts,
// etc.).
USER_SET,
// The user has selected the SIM for all contacts on the account.
ACCOUNT,
// Unspecified reason.
OTHER,
}
/** The suggestion. */
class Suggestion {
@NonNull public final PhoneAccountHandle phoneAccountHandle;
@NonNull public final Reason reason;
public final boolean shouldAutoSelect;
public Suggestion(
@NonNull PhoneAccountHandle phoneAccountHandle,
@NonNull Reason reason,
boolean shouldAutoSelect) {
this.phoneAccountHandle = Assert.isNotNull(phoneAccountHandle);
this.reason = Assert.isNotNull(reason);
this.shouldAutoSelect = shouldAutoSelect;
}
}
@WorkerThread
@NonNull
Optional<Suggestion> getSuggestion(@NonNull Context context, @NonNull String number);
@WorkerThread
void reportUserSelection(
@NonNull Context context,
@NonNull String number,
@NonNull PhoneAccountHandle phoneAccountHandle,
boolean rememberSelection);
@WorkerThread
void reportIncorrectSuggestion(
@NonNull Context context, @NonNull String number, @NonNull PhoneAccountHandle newAccount);
/**
* Return a list of suggestion strings matching the list position of the {@code
* phoneAccountHandles}. The list will contain {@code null} if the PhoneAccountHandle does not
* have suggestions.
*/
@Nullable
static List<String> buildHint(
Context context,
List<PhoneAccountHandle> phoneAccountHandles,
@Nullable Suggestion suggestion) {
if (suggestion == null) {
return null;
}
List<String> hints = new ArrayList<>();
for (PhoneAccountHandle phoneAccountHandle : phoneAccountHandles) {
if (!phoneAccountHandle.equals(suggestion.phoneAccountHandle)) {
hints.add(null);
continue;
}
switch (suggestion.reason) {
case INTRA_CARRIER:
hints.add(context.getString(R.string.pre_call_select_phone_account_hint_intra_carrier));
break;
case FREQUENT:
hints.add(context.getString(R.string.pre_call_select_phone_account_hint_frequent));
break;
default:
LogUtil.w("CallingAccountSelector.buildHint", "unhandled reason " + suggestion.reason);
}
}
return hints;
}
}
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