| // Copyright 2019 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 CHROME_BROWSER_NATIVE_FILE_SYSTEM_NATIVE_FILE_SYSTEM_PERMISSION_REQUEST_MANAGER_H_ |
| #define CHROME_BROWSER_NATIVE_FILE_SYSTEM_NATIVE_FILE_SYSTEM_PERMISSION_REQUEST_MANAGER_H_ |
| |
| #include "base/containers/circular_deque.h" |
| #include "base/files/file_path.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| #include "url/origin.h" |
| |
| enum class PermissionAction; |
| |
| // This class manages native file system permission requests for a particular |
| // WebContents. It is very similar to the generic PermissionRequestManager |
| // class, and as such deals with throttling, coallescing and/or completely |
| // denying permission requests, depending on the situation and policy. |
| // |
| // Native File System code doesn't just use PermissionRequestManager directly |
| // because the permission requests use different UI, and as such can't easily |
| // be supported by PermissionRequestManager. |
| // |
| // The NativeFileSystemPermissionRequestManager should be used on the UI thread. |
| class NativeFileSystemPermissionRequestManager |
| : public content::WebContentsObserver, |
| public content::WebContentsUserData< |
| NativeFileSystemPermissionRequestManager> { |
| public: |
| ~NativeFileSystemPermissionRequestManager() override; |
| |
| struct RequestData { |
| RequestData(const url::Origin& origin, |
| const base::FilePath& path, |
| bool is_directory) |
| : origin(origin), path(path), is_directory(is_directory) {} |
| RequestData(RequestData&&) = default; |
| RequestData& operator=(RequestData&&) = default; |
| |
| url::Origin origin; |
| base::FilePath path; |
| bool is_directory; |
| }; |
| |
| void AddRequest(RequestData request, |
| base::OnceCallback<void(PermissionAction result)> callback); |
| |
| // Do NOT use this method in production code. Use this method in browser |
| // tests that need to accept or deny permissions when requested in |
| // JavaScript. Your test needs to call this before permission is requested, |
| // and then the bubble will proceed as desired as soon as it would have been |
| // shown. |
| void set_auto_response_for_test(base::Optional<PermissionAction> response) { |
| auto_response_for_test_ = response; |
| } |
| |
| private: |
| friend class content::WebContentsUserData< |
| NativeFileSystemPermissionRequestManager>; |
| |
| explicit NativeFileSystemPermissionRequestManager( |
| content::WebContents* web_contents); |
| |
| bool IsShowingRequest() const { return current_request_ != nullptr; } |
| bool CanShowRequest() const; |
| void ScheduleShowRequest(); |
| void DequeueAndShowRequest(); |
| |
| // WebContentsObserver |
| void DocumentOnLoadCompletedInMainFrame() override; |
| |
| void OnPermissionDialogResult(PermissionAction result); |
| |
| struct Request; |
| // Request currently being shown in prompt. |
| std::unique_ptr<Request> current_request_; |
| // Queued up requests. |
| base::circular_deque<std::unique_ptr<Request>> queued_requests_; |
| |
| // We only show new prompts when this is true. |
| bool main_frame_has_fully_loaded_ = false; |
| |
| base::Optional<PermissionAction> auto_response_for_test_; |
| |
| base::WeakPtrFactory<NativeFileSystemPermissionRequestManager> weak_factory_{ |
| this}; |
| WEB_CONTENTS_USER_DATA_KEY_DECL(); |
| }; |
| |
| #endif // CHROME_BROWSER_NATIVE_FILE_SYSTEM_NATIVE_FILE_SYSTEM_PERMISSION_REQUEST_MANAGER_H_ |