| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTIONS_CLIENT_H_ |
| #define COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTIONS_CLIENT_H_ |
| |
| #include <jni.h> |
| #include <list> |
| #include <map> |
| #include <string> |
| |
| #include "base/android/jni_android.h" |
| #include "base/android/scoped_java_ref.h" |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/sequenced_task_runner.h" |
| #include "base/single_thread_task_runner.h" |
| #include "url/gurl.h" |
| |
| namespace web_restrictions { |
| |
| enum UrlAccess { ALLOW, DISALLOW, PENDING }; |
| |
| class WebRestrictionsClient { |
| public: |
| // An instance of this class is expected to live through the lifetime of a |
| // browser and uses raw pointers in callbacks. |
| // Any changes to the class, enable/disable/change should be done through the |
| // SetAuthority(...) method. |
| WebRestrictionsClient(); |
| ~WebRestrictionsClient(); |
| |
| // Register JNI methods. |
| static bool Register(JNIEnv* env); |
| |
| // Verify the content provider and query it for basic information like does it |
| // support handling requests. This should be called everytime the provider |
| // changes. An empty authority can be used to disable this class. |
| void SetAuthority(const std::string& content_provider_authority); |
| |
| // WebRestrictionsProvider: |
| UrlAccess ShouldProceed(bool is_main_frame, |
| const GURL& url, |
| const base::Callback<void(bool)>& callback); |
| |
| bool SupportsRequest() const; |
| |
| int GetResultColumnCount(const GURL& url) const; |
| |
| std::string GetResultColumnName(const GURL& url, int column) const; |
| |
| int GetResultIntValue(const GURL& url, int column) const; |
| |
| std::string GetResultStringValue(const GURL& url, int column) const; |
| |
| void RequestPermission(const GURL& url, |
| const base::Callback<void(bool)>& callback); |
| |
| void OnWebRestrictionsChanged(); |
| |
| private: |
| |
| void RecordURLAccess(const GURL& url); |
| |
| void UpdateCache(std::string provider_authority, |
| GURL url, |
| base::android::ScopedJavaGlobalRef<jobject> result); |
| |
| void RequestSupportKnown(std::string provider_authority, |
| bool supports_request); |
| |
| void ClearCache(); |
| |
| static base::android::ScopedJavaGlobalRef<jobject> ShouldProceedTask( |
| const GURL& url, |
| const base::android::JavaRef<jobject>& java_provider); |
| |
| void OnShouldProceedComplete( |
| std::string provider_authority, |
| const GURL& url, |
| const base::Callback<void(bool)>& callback, |
| const base::android::ScopedJavaGlobalRef<jobject>& result); |
| |
| // Set up after SetAuthority(). |
| bool initialized_; |
| bool supports_request_; |
| base::android::ScopedJavaGlobalRef<jobject> java_provider_; |
| std::string provider_authority_; |
| |
| scoped_refptr<base::SequencedTaskRunner> background_task_runner_; |
| scoped_refptr<base::SingleThreadTaskRunner> single_thread_task_runner_; |
| |
| std::map<GURL, base::android::ScopedJavaGlobalRef<jobject>> cache_; |
| std::list<GURL> recent_urls_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebRestrictionsClient); |
| }; |
| |
| } // namespace web_restrictions |
| |
| #endif // COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTIONS_CLIENT_H_ |