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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "chrome/browser/interests/android/interests_service.h" |
| 6 |
| 7 #include "base/android/jni_android.h" |
| 8 #include "base/android/jni_array.h" |
| 9 #include "base/android/jni_string.h" |
| 10 #include "base/android/scoped_java_ref.h" |
| 11 #include "chrome/browser/interests/interests_fetcher.h" |
| 12 #include "chrome/browser/profiles/profile.h" |
| 13 #include "chrome/browser/profiles/profile_android.h" |
| 14 #include "jni/InterestsService_jni.h" |
| 15 |
| 16 using base::android::AttachCurrentThread; |
| 17 using base::android::ConvertUTF8ToJavaString; |
| 18 using base::android::ScopedJavaGlobalRef; |
| 19 using base::android::ScopedJavaLocalRef; |
| 20 |
| 21 namespace { |
| 22 |
| 23 ScopedJavaLocalRef<jobjectArray> ConvertInterestsToJava( |
| 24 JNIEnv* env, |
| 25 scoped_ptr<std::vector<InterestsFetcher::Interest>> interests) { |
| 26 if (!interests) |
| 27 return ScopedJavaLocalRef<jobjectArray>(); |
| 28 |
| 29 ScopedJavaLocalRef<jobjectArray> j_interests = |
| 30 Java_InterestsService_createInterestsArray(env, interests->size()); |
| 31 |
| 32 for (size_t i = 0; i != interests->size(); i++) { |
| 33 const InterestsFetcher::Interest& interest = (*interests)[i]; |
| 34 ScopedJavaLocalRef<jobject> j_interest = |
| 35 Java_InterestsService_createInterest( |
| 36 env, |
| 37 ConvertUTF8ToJavaString(env, interest.name).obj(), |
| 38 ConvertUTF8ToJavaString(env, interest.image_url.spec()).obj(), |
| 39 interest.relevance); |
| 40 |
| 41 env->SetObjectArrayElement(j_interests.obj(), i, j_interest.obj()); |
| 42 } |
| 43 |
| 44 return j_interests; |
| 45 } |
| 46 |
| 47 } // namespace |
| 48 |
| 49 InterestsService::InterestsService(Profile* profile) |
| 50 : profile_(profile), weak_ptr_factory_(this) {} |
| 51 |
| 52 InterestsService::~InterestsService() {} |
| 53 |
| 54 void InterestsService::Destroy(JNIEnv* env, jobject obj) { |
| 55 delete this; |
| 56 } |
| 57 |
| 58 void InterestsService::GetInterests(JNIEnv* env, |
| 59 jobject obj, |
| 60 jobject j_callback_obj) { |
| 61 ScopedJavaGlobalRef<jobject> j_callback(env, j_callback_obj); |
| 62 |
| 63 scoped_ptr<InterestsFetcher> fetcher = |
| 64 InterestsFetcher::CreateFromProfile(profile_); |
| 65 InterestsFetcher* fetcher_raw_ptr = fetcher.get(); |
| 66 |
| 67 InterestsFetcher::InterestsCallback callback = base::Bind( |
| 68 &InterestsService::OnObtainedInterests, |
| 69 weak_ptr_factory_.GetWeakPtr(), |
| 70 base::Passed(fetcher.Pass()), |
| 71 j_callback); |
| 72 |
| 73 fetcher_raw_ptr->FetchInterests(callback); |
| 74 } |
| 75 |
| 76 // static |
| 77 bool InterestsService::Register(JNIEnv* env) { |
| 78 return RegisterNativesImpl(env); |
| 79 } |
| 80 |
| 81 void InterestsService::OnObtainedInterests( |
| 82 scoped_ptr<InterestsFetcher> fetcher, |
| 83 const ScopedJavaGlobalRef<jobject>& j_callback, |
| 84 scoped_ptr<std::vector<InterestsFetcher::Interest>> interests) { |
| 85 JNIEnv* env = AttachCurrentThread(); |
| 86 ScopedJavaLocalRef<jobjectArray> j_interests = |
| 87 ConvertInterestsToJava(env, interests.Pass()); |
| 88 Java_GetInterestsCallback_onInterestsAvailableCallback(env, |
| 89 j_callback.obj(), |
| 90 j_interests.obj()); |
| 91 } |
| 92 |
| 93 static jlong Init(JNIEnv* env, |
| 94 const JavaParamRef<jobject>& jobj, |
| 95 const JavaParamRef<jobject>& jprofile) { |
| 96 InterestsService* interests_service = |
| 97 new InterestsService(ProfileAndroid::FromProfileAndroid(jprofile)); |
| 98 return reinterpret_cast<intptr_t>(interests_service); |
| 99 } |
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