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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/readaloud/android/prefs.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/hash/hash.h"
#include "base/rand_util.h"
#include "base/strings/strcat.h"
#include "base/values.h"
#include "chrome/common/pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/android/pref_service_android.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "chrome/browser/readaloud/android/jni_headers/ReadAloudPrefs_jni.h"
using base::android::ConvertJavaStringToUTF8;
using base::android::ConvertUTF8ToJavaString;
using base::android::GetClass;
using base::android::JavaParamRef;
using base::android::MethodID;
using base::android::ScopedJavaLocalRef;
namespace readaloud {
namespace {
inline constexpr char kReadAloudSalt[] = "readaloud.salt";
}
void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterDictionaryPref(
prefs::kReadAloudVoiceSettings,
user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
registry->RegisterDoublePref(prefs::kReadAloudSpeed, 1.,
user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
registry->RegisterBooleanPref(
prefs::kReadAloudHighlightingEnabled, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
registry->RegisterBooleanPref(
prefs::kListenToThisPageEnabled, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
registry->RegisterUint64Pref(kReadAloudSalt, 0);
registry->RegisterIntegerPref(prefs::kReadAloudPlaybackMode, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
}
void RegisterLocalPrefs(PrefRegistrySimple* registry) {
registry->RegisterDictionaryPref(prefs::kReadAloudSyntheticTrials);
}
void JNI_ReadAloudPrefs_GetVoices(JNIEnv* env,
const JavaParamRef<jobject>& j_pref_service,
const JavaParamRef<jobject>& j_output_map) {
PrefService* prefs =
PrefServiceAndroid::FromPrefServiceAndroid(j_pref_service);
ScopedJavaLocalRef<jclass> output_map_class =
GetClass(env, "java/util/HashMap");
// jmethodID is a pointer to an internal struct. We don't own it and should
// not delete it.
jmethodID map_put_id = MethodID::Get<MethodID::Type::TYPE_INSTANCE>(
env, output_map_class.obj(), "put",
"(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
const base::Value::Dict& dict =
prefs->GetDict(prefs::kReadAloudVoiceSettings);
for (auto [language, value] : dict) {
env->CallObjectMethod(
j_output_map, map_put_id, ConvertUTF8ToJavaString(env, language).obj(),
ConvertUTF8ToJavaString(env, value.GetString()).obj());
}
}
void JNI_ReadAloudPrefs_SetVoice(JNIEnv* env,
const JavaParamRef<jobject>& j_pref_service,
const JavaParamRef<jstring>& j_language,
const JavaParamRef<jstring>& j_voice_id) {
ScopedDictPrefUpdate(
PrefServiceAndroid::FromPrefServiceAndroid(j_pref_service),
prefs::kReadAloudVoiceSettings)
->Set(ConvertJavaStringToUTF8(env, j_language),
ConvertJavaStringToUTF8(env, j_voice_id));
}
jlong JNI_ReadAloudPrefs_GetReliabilityLoggingId(
JNIEnv* env,
const JavaParamRef<jobject>& j_pref_service,
const JavaParamRef<jstring>& j_metrics_id) {
PrefService* prefs =
PrefServiceAndroid::FromPrefServiceAndroid(j_pref_service);
if (!prefs) {
return 0L;
}
return GetReliabilityLoggingId(*prefs, ConvertJavaStringToUTF8(j_metrics_id));
}
uint64_t GetReliabilityLoggingId(PrefService& prefs,
const std::string& metrics_id) {
if (metrics_id.empty()) {
return 0L;
}
uint64_t salt;
if (!prefs.HasPrefPath(kReadAloudSalt)) {
salt = base::RandUint64();
prefs.SetUint64(kReadAloudSalt, salt);
} else {
salt = prefs.GetUint64(kReadAloudSalt);
}
return base::FastHash(base::StrCat(
{metrics_id, std::string(reinterpret_cast<char*>(&salt), sizeof(salt))}));
}
} // namespace readaloud
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