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| 1 // Copyright 2016 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/android/ntp_snippets_bridge.h" | |
| 6 | |
| 7 #include <jni.h> | |
| 8 | |
| 9 #include "base/android/jni_android.h" | |
| 10 #include "base/android/jni_array.h" | |
| 11 #include "base/android/scoped_java_ref.h" | |
| 12 #include "chrome/browser/ntp_snippets/ntp_snippets_service_factory.h" | |
| 13 #include "chrome/browser/profiles/profile.h" | |
| 14 #include "chrome/browser/profiles/profile_android.h" | |
| 15 #include "components/ntp_snippets/ntp_snippet.h" | |
| 16 #include "components/ntp_snippets/ntp_snippets_service.h" | |
| 17 #include "jni/SnippetsBridge_jni.h" | |
| 18 | |
| 19 using base::android::JavaParamRef; | |
| 20 using base::android::ToJavaArrayOfStrings; | |
| 21 using ntp_snippets::NTPSnippetsService; | |
| 22 using ntp_snippets::NTPSnippetsServiceObserver; | |
| 23 | |
| 24 static jlong Init(JNIEnv* env, | |
| 25 const JavaParamRef<jobject>& obj, | |
| 26 const JavaParamRef<jobject>& j_profile) { | |
| 27 NTPSnippetsBridge* snippets_bridge = new NTPSnippetsBridge(env, j_profile); | |
| 28 return reinterpret_cast<intptr_t>(snippets_bridge); | |
| 29 } | |
| 30 | |
| 31 NTPSnippetsBridge::NTPSnippetsBridge(JNIEnv* env, | |
| 32 const JavaParamRef<jobject>& j_profile) | |
| 33 : snippet_service_observer_(this) { | |
| 34 Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile); | |
| 35 ntp_snippets_service_ = NTPSnippetsServiceFactory::GetForProfile(profile); | |
| 36 snippet_service_observer_.Add(ntp_snippets_service_); | |
| 37 } | |
| 38 | |
| 39 void NTPSnippetsBridge::SetObserver(JNIEnv* env, | |
| 40 const JavaParamRef<jobject>& obj, | |
| 41 const JavaParamRef<jobject>& j_observer) { | |
| 42 observer_.Reset(env, j_observer); | |
| 43 | |
| 44 if (ntp_snippets_service_->is_loaded()) | |
| 45 NTPSnippetsServiceLoaded(ntp_snippets_service_); | |
| 46 } | |
| 47 | |
| 48 NTPSnippetsBridge::~NTPSnippetsBridge() {} | |
| 49 | |
| 50 void NTPSnippetsBridge::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) { | |
| 51 delete this; | |
| 52 } | |
| 53 | |
| 54 void NTPSnippetsBridge::NTPSnippetsServiceLoaded(NTPSnippetsService* service) { | |
| 55 if (observer_.is_null()) | |
| 56 return; | |
| 57 | |
| 58 std::vector<std::string> titles; | |
| 59 std::vector<std::string> urls; | |
| 60 std::vector<std::string> thumbnail_urls; | |
| 61 std::vector<std::string> snippets; | |
| 62 for (const ntp_snippets::NTPSnippet& snippet : *service) { | |
| 63 titles.push_back(snippet.title()); | |
| 64 urls.push_back(snippet.url().spec()); | |
| 65 thumbnail_urls.push_back(snippet.salient_image_url().spec()); | |
| 66 snippets.push_back(snippet.snippet()); | |
| 67 } | |
| 68 | |
| 69 JNIEnv* env = base::android::AttachCurrentThread(); | |
| 70 Java_SnippetsObserver_onSnippetsAvailable( | |
| 71 env, observer_.obj(), ToJavaArrayOfStrings(env, titles).obj(), | |
| 72 ToJavaArrayOfStrings(env, urls).obj(), | |
| 73 ToJavaArrayOfStrings(env, thumbnail_urls).obj(), | |
| 74 ToJavaArrayOfStrings(env, snippets).obj()); | |
| 75 } | |
| 76 | |
| 77 void NTPSnippetsBridge::NTPSnippetsServiceShutdown( | |
| 78 NTPSnippetsService* service) { | |
| 79 observer_.Reset(); | |
| 80 snippet_service_observer_.Remove(ntp_snippets_service_); | |
| 81 } | |
| 82 | |
| 83 // static | |
| 84 bool NTPSnippetsBridge::Register(JNIEnv* env) { | |
| 85 return RegisterNativesImpl(env); | |
| 86 } | |
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