| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_FILE_SYSTEM_CALLBACKS_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_FILE_SYSTEM_CALLBACKS_H_ |
| |
| #include <memory> |
| |
| #include "third_party/blink/public/mojom/filesystem/file_system.mojom-blink-forward.h" |
| #include "third_party/blink/renderer/bindings/core/v8/v8_void_callback.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_entry_callback.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_error_callback.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_file_callback.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_file_system_callback.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_file_writer_callback.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_metadata_callback.h" |
| #include "third_party/blink/renderer/core/fileapi/file_error.h" |
| #include "third_party/blink/renderer/modules/filesystem/entry_heap_vector.h" |
| #include "third_party/blink/renderer/platform/blob/blob_data.h" |
| #include "third_party/blink/renderer/platform/file_metadata.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| class DOMFileSystem; |
| class DOMFileSystemBase; |
| class DirectoryReaderBase; |
| class Entry; |
| class ExecutionContext; |
| class File; |
| class FileMetadata; |
| class FileWriterBase; |
| class Metadata; |
| |
| class FileSystemCallbacksBase { |
| public: |
| virtual ~FileSystemCallbacksBase(); |
| |
| protected: |
| FileSystemCallbacksBase(DOMFileSystemBase*, ExecutionContext*); |
| |
| Persistent<DOMFileSystemBase> file_system_; |
| Persistent<ExecutionContext> execution_context_; |
| int async_operation_id_; |
| }; |
| |
| // This is a base class for the SnapshotFileCallback and CreateFileHelper. |
| // Both implement snapshot file operations. |
| class SnapshotFileCallbackBase { |
| public: |
| virtual ~SnapshotFileCallbackBase() = default; |
| |
| // Called when a snapshot file is created successfully. |
| virtual void DidCreateSnapshotFile(const FileMetadata&) = 0; |
| |
| virtual void DidFail(base::File::Error error) = 0; |
| }; |
| |
| // Subclasses ---------------------------------------------------------------- |
| |
| class EntryCallbacks final : public FileSystemCallbacksBase { |
| public: |
| using SuccessCallback = base::OnceCallback<void(Entry*)>; |
| using ErrorCallback = base::OnceCallback<void(base::File::Error)>; |
| |
| EntryCallbacks(SuccessCallback, |
| ErrorCallback, |
| ExecutionContext*, |
| DOMFileSystemBase*, |
| const String& expected_path, |
| bool is_directory); |
| |
| // Called when a requested operation is completed successfully. |
| void DidSucceed(); |
| |
| // Called when a request operation has failed. |
| void DidFail(base::File::Error error); |
| |
| private: |
| SuccessCallback success_callback_; |
| ErrorCallback error_callback_; |
| String expected_path_; |
| bool is_directory_; |
| }; |
| |
| class EntriesCallbacks final : public FileSystemCallbacksBase { |
| public: |
| using SuccessCallback = base::RepeatingCallback<void(EntryHeapVector*)>; |
| using ErrorCallback = base::OnceCallback<void(base::File::Error)>; |
| |
| EntriesCallbacks(const SuccessCallback&, |
| ErrorCallback, |
| ExecutionContext*, |
| DirectoryReaderBase*, |
| const String& base_path); |
| |
| // Called when a directory entry is read. |
| void DidReadDirectoryEntry(const String& name, bool is_directory); |
| |
| // Called after a chunk of directory entries have been read (i.e. indicates |
| // it's good time to call back to the application). If hasMore is true there |
| // can be more chunks. |
| void DidReadDirectoryEntries(bool has_more); |
| |
| // Called when a request operation has failed. |
| void DidFail(base::File::Error error); |
| |
| private: |
| SuccessCallback success_callback_; |
| ErrorCallback error_callback_; |
| Persistent<DirectoryReaderBase> directory_reader_; |
| String base_path_; |
| Persistent<HeapVector<Member<Entry>>> entries_; |
| }; |
| |
| class FileSystemCallbacks final : public FileSystemCallbacksBase { |
| public: |
| using SuccessCallback = base::OnceCallback<void(DOMFileSystem*)>; |
| using ErrorCallback = base::OnceCallback<void(base::File::Error)>; |
| |
| FileSystemCallbacks(SuccessCallback, |
| ErrorCallback, |
| ExecutionContext*, |
| mojom::blink::FileSystemType); |
| |
| // Called when a requested file system is opened. |
| void DidOpenFileSystem(const String& name, const KURL& root_url); |
| |
| // Called when a request operation has failed. |
| void DidFail(base::File::Error error); |
| |
| private: |
| SuccessCallback success_callback_; |
| ErrorCallback error_callback_; |
| mojom::blink::FileSystemType type_; |
| }; |
| |
| class ResolveURICallbacks final : public FileSystemCallbacksBase { |
| public: |
| using SuccessCallback = EntryCallbacks::SuccessCallback; |
| using ErrorCallback = EntryCallbacks::ErrorCallback; |
| |
| ResolveURICallbacks(SuccessCallback, ErrorCallback, ExecutionContext*); |
| |
| // Called when a filesystem URL is resolved. |
| void DidResolveURL(const String& name, |
| const KURL& root_url, |
| mojom::blink::FileSystemType, |
| const String& file_path, |
| bool is_directry); |
| |
| // Called when a request operation has failed. |
| void DidFail(base::File::Error error); |
| |
| private: |
| SuccessCallback success_callback_; |
| ErrorCallback error_callback_; |
| }; |
| |
| class MetadataCallbacks final : public FileSystemCallbacksBase { |
| public: |
| using SuccessCallback = base::OnceCallback<void(Metadata* metadata)>; |
| using ErrorCallback = base::OnceCallback<void(base::File::Error error)>; |
| |
| MetadataCallbacks(SuccessCallback, |
| ErrorCallback, |
| ExecutionContext*, |
| DOMFileSystemBase*); |
| |
| // Called when a file metadata is read successfully. |
| void DidReadMetadata(const FileMetadata&); |
| |
| // Called when a request operation has failed. |
| void DidFail(base::File::Error error); |
| |
| private: |
| SuccessCallback success_callback_; |
| ErrorCallback error_callback_; |
| }; |
| |
| class FileWriterCallbacks final : public FileSystemCallbacksBase { |
| public: |
| using SuccessCallback = base::OnceCallback<void(FileWriterBase* file_writer)>; |
| using ErrorCallback = base::OnceCallback<void(base::File::Error error)>; |
| |
| FileWriterCallbacks(FileWriterBase*, |
| SuccessCallback, |
| ErrorCallback, |
| ExecutionContext*); |
| |
| // Called when an AsyncFileWrter has been created successfully. |
| void DidCreateFileWriter(const KURL& path, int64_t length); |
| |
| // Called when a request operation has failed. |
| void DidFail(base::File::Error error); |
| |
| private: |
| Persistent<FileWriterBase> file_writer_; |
| SuccessCallback success_callback_; |
| ErrorCallback error_callback_; |
| }; |
| |
| class SnapshotFileCallback final : public SnapshotFileCallbackBase, |
| public FileSystemCallbacksBase { |
| public: |
| using SuccessCallback = base::OnceCallback<void(File* file)>; |
| using ErrorCallback = base::OnceCallback<void(base::File::Error error)>; |
| |
| SnapshotFileCallback(DOMFileSystemBase*, |
| const String& name, |
| const KURL&, |
| SuccessCallback, |
| ErrorCallback, |
| ExecutionContext*); |
| |
| // Called when a snapshot file is created successfully. |
| void DidCreateSnapshotFile(const FileMetadata&) override; |
| |
| // Called when a request operation has failed. |
| void DidFail(base::File::Error error) override; |
| |
| private: |
| String name_; |
| KURL url_; |
| SuccessCallback success_callback_; |
| ErrorCallback error_callback_; |
| }; |
| |
| class VoidCallbacks final : public FileSystemCallbacksBase { |
| public: |
| using SuccessCallback = base::OnceCallback<void()>; |
| using ErrorCallback = base::OnceCallback<void(base::File::Error error)>; |
| |
| VoidCallbacks(SuccessCallback, |
| ErrorCallback, |
| ExecutionContext*, |
| DOMFileSystemBase*); |
| |
| // Called when a requested operation is completed successfully. |
| void DidSucceed(); |
| |
| // Called when a request operation has failed. |
| void DidFail(base::File::Error error); |
| |
| private: |
| SuccessCallback success_callback_; |
| ErrorCallback error_callback_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_FILE_SYSTEM_CALLBACKS_H_ |