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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 #ifndef CHROME_BROWSER_ANDROID_NTP_SNIPPETS_BRIDGE_H_ | |
| 6 #define CHROME_BROWSER_ANDROID_NTP_SNIPPETS_BRIDGE_H_ | |
| 7 | |
| 8 #include <jni.h> | |
| 9 | |
| 10 #include "base/android/scoped_java_ref.h" | |
| 11 #include "base/scoped_observer.h" | |
| 12 #include "components/ntp_snippets/ntp_snippets_service.h" | |
| 13 | |
| 14 // The C++ counterpart to NTPSnippetsBridge.java. Enables Java code to access | |
| 15 // the list of snippets to show on the NTP | |
| 16 class NTPSnippetsBridge : public ntp_snippets::NTPSnippetsServiceObserver { | |
| 17 public: | |
| 18 NTPSnippetsBridge(JNIEnv* env, | |
| 19 const base::android::JavaParamRef<jobject>& j_profile); | |
| 20 void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj); | |
| 21 | |
| 22 void SetObserver(JNIEnv* env, | |
| 23 const base::android::JavaParamRef<jobject>& obj, | |
| 24 const base::android::JavaParamRef<jobject>& j_observer); | |
| 25 | |
| 26 static bool Register(JNIEnv* env); | |
| 27 | |
| 28 private: | |
| 29 ~NTPSnippetsBridge() override; | |
| 30 | |
| 31 // NTPSnippetsServiceObserver overrides | |
| 32 void NTPSnippetsServiceLoaded( | |
| 33 ntp_snippets::NTPSnippetsService* service) override; | |
| 34 void NTPSnippetsServiceShutdown( | |
| 35 ntp_snippets::NTPSnippetsService* service) override; | |
| 36 | |
| 37 ntp_snippets::NTPSnippetsService* ntp_snippets_service_; | |
| 38 | |
| 39 base::android::ScopedJavaGlobalRef<jobject> observer_; | |
| 40 ScopedObserver<ntp_snippets::NTPSnippetsService, | |
| 41 ntp_snippets::NTPSnippetsServiceObserver> | |
| 42 snippet_service_observer_; | |
| 43 | |
| 44 DISALLOW_COPY_AND_ASSIGN(NTPSnippetsBridge); | |
| 45 }; | |
| 46 | |
| 47 #endif // CHROME_BROWSER_ANDROID_NTP_SNIPPETS_BRIDGE_H_ | |
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