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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/prefs/android/pref_change_registrar_android.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/functional/bind.h"
#include "components/prefs/android/pref_service_android.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "components/prefs/android/jni_headers/PrefChangeRegistrar_jni.h"
using base::android::AttachCurrentThread;
using base::android::ConvertJavaStringToUTF8;
using base::android::ConvertUTF8ToJavaString;
PrefChangeRegistrarAndroid::PrefChangeRegistrarAndroid(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
PrefService* prefs) {
pref_change_registrar_.Init(prefs);
pref_change_registrar_jobject_.Reset(env, obj);
}
PrefChangeRegistrarAndroid::~PrefChangeRegistrarAndroid() = default;
void PrefChangeRegistrarAndroid::Destroy(JNIEnv*,
const JavaParamRef<jobject>&) {
delete this;
}
void PrefChangeRegistrarAndroid::Add(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jstring>& j_preference) {
std::string preference =
base::android::ConvertJavaStringToUTF8(env, j_preference);
pref_change_registrar_.Add(
preference,
base::BindRepeating(&PrefChangeRegistrarAndroid::OnPreferenceChange,
base::Unretained(this), preference));
}
void PrefChangeRegistrarAndroid::Remove(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jstring>& j_preference) {
pref_change_registrar_.Remove(
base::android::ConvertJavaStringToUTF8(env, j_preference));
}
void PrefChangeRegistrarAndroid::OnPreferenceChange(std::string preference) {
JNIEnv* env = AttachCurrentThread();
Java_PrefChangeRegistrar_onPreferenceChange(
env, pref_change_registrar_jobject_,
base::android::ConvertUTF8ToJavaString(env, preference));
}
jlong JNI_PrefChangeRegistrar_Init(JNIEnv* env,
const JavaParamRef<jobject>& obj,
PrefService* prefs) {
return reinterpret_cast<intptr_t>(
new PrefChangeRegistrarAndroid(env, obj, prefs));
}
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