1 // Copyright 2018 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_FEED_FEED_CONTENT_BRIDGE_H_ 6 #define CHROME_BROWSER_ANDROID_FEED_FEED_CONTENT_BRIDGE_H_ 7 8 #include <memory> 9 #include <string> 10 #include <vector> 11 12 #include "base/android/scoped_java_ref.h" 13 #include "base/memory/weak_ptr.h" 14 #include "components/feed/core/feed_content_database.h" 15 16 namespace feed { 17 18 class FeedContentDatabase; 19 20 // Native counterpart of FeedContentBridge.java. Holds non-owning pointers 21 // to native implementation to which operations are delegated. Results are 22 // passed back by a single argument callback so 23 // base::android::RunBooleanCallbackAndroid() and 24 // base::android::RunObjectCallbackAndroid() can be used. This bridge is 25 // instantiated, owned, and destroyed from Java. 26 class FeedContentBridge { 27 public: 28 explicit FeedContentBridge(FeedContentDatabase* feed_Storage_database); 29 ~FeedContentBridge(); 30 31 void Destroy(JNIEnv* j_env, const base::android::JavaRef<jobject>& j_this); 32 33 void LoadContent(JNIEnv* j_env, 34 const base::android::JavaRef<jobject>& j_this, 35 const base::android::JavaRef<jobjectArray>& j_keys, 36 const base::android::JavaRef<jobject>& j_success_callback, 37 const base::android::JavaRef<jobject>& j_failure_callback); 38 void LoadContentByPrefix( 39 JNIEnv* j_env, 40 const base::android::JavaRef<jobject>& j_this, 41 const base::android::JavaRef<jstring>& j_prefix, 42 const base::android::JavaRef<jobject>& j_success_callback, 43 const base::android::JavaRef<jobject>& j_failure_callback); 44 void LoadAllContentKeys( 45 JNIEnv* j_env, 46 const base::android::JavaRef<jobject>& j_this, 47 const base::android::JavaRef<jobject>& j_success_callback, 48 const base::android::JavaRef<jobject>& j_failure_callback); 49 void CommitContentMutation(JNIEnv* j_env, 50 const base::android::JavaRef<jobject>& j_this, 51 const base::android::JavaRef<jobject>& j_callback); 52 53 void CreateContentMutation(JNIEnv* j_env, 54 const base::android::JavaRef<jobject>& j_this); 55 void DeleteContentMutation(JNIEnv* j_env, 56 const base::android::JavaRef<jobject>& j_this); 57 void AppendDeleteOperation(JNIEnv* j_env, 58 const base::android::JavaRef<jobject>& j_this, 59 const base::android::JavaRef<jstring>& j_key); 60 void AppendDeleteByPrefixOperation( 61 JNIEnv* j_env, 62 const base::android::JavaRef<jobject>& j_this, 63 const base::android::JavaRef<jstring>& j_prefix); 64 void AppendUpsertOperation(JNIEnv* j_env, 65 const base::android::JavaRef<jobject>& j_this, 66 const base::android::JavaRef<jstring>& j_key, 67 const base::android::JavaRef<jbyteArray>& j_data); 68 void AppendDeleteAllOperation(JNIEnv* j_env, 69 const base::android::JavaRef<jobject>& j_this); 70 71 private: 72 void OnLoadContentDone( 73 base::android::ScopedJavaGlobalRef<jobject> success_callback, 74 base::android::ScopedJavaGlobalRef<jobject> failure_callback, 75 bool success, 76 std::vector<FeedContentDatabase::KeyAndData> pairs); 77 void OnLoadAllContentKeysDone( 78 base::android::ScopedJavaGlobalRef<jobject> success_callback, 79 base::android::ScopedJavaGlobalRef<jobject> failure_callback, 80 bool success, 81 std::vector<std::string> keys); 82 void OnStorageCommitDone(base::android::ScopedJavaGlobalRef<jobject> callback, 83 bool success); 84 85 // This unique_ptr will hold a list of ContentOperations which are not 86 // committed yet. After commit to database, this unique_ptr will be reset. 87 std::unique_ptr<ContentMutation> content_mutation_; 88 89 FeedContentDatabase* feed_content_database_; 90 91 base::WeakPtrFactory<FeedContentBridge> weak_ptr_factory_{this}; 92 93 DISALLOW_COPY_AND_ASSIGN(FeedContentBridge); 94 }; 95 96 } // namespace feed 97 98 #endif // CHROME_BROWSER_ANDROID_FEED_FEED_CONTENT_BRIDGE_H_ 99