| /* |
| * Copyright 2015 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef COBALT_DOM_BLOB_H_ |
| #define COBALT_DOM_BLOB_H_ |
| |
| #include <vector> |
| |
| #include "cobalt/dom/array_buffer.h" |
| #include "cobalt/dom/url_registry.h" |
| #include "cobalt/script/environment_settings.h" |
| #include "cobalt/script/wrappable.h" |
| #include "googleurl/src/gurl.h" |
| |
| namespace cobalt { |
| namespace dom { |
| |
| // A Blob object refers to a byte sequence, and has a size attribute which is |
| // the total number of bytes in the byte sequence, and a type attribute, which |
| // is an ASCII-encoded string in lower case representing the media type of the |
| // byte sequence. |
| // https://www.w3.org/TR/2015/WD-FileAPI-20150421/#dfn-Blob |
| // |
| // Note: Cobalt currently does not implement nor need the type attribute. |
| class Blob : public script::Wrappable { |
| public: |
| typedef UrlRegistry<Blob> Registry; |
| |
| Blob(script::EnvironmentSettings* settings, |
| const scoped_refptr<ArrayBuffer>& buffer = NULL) |
| : buffer_( |
| buffer ? buffer->Slice(settings, 0) |
| : scoped_refptr<ArrayBuffer>(new ArrayBuffer(settings, 0))) { |
| } |
| |
| const uint8* data() { return buffer_->data(); } |
| |
| uint64 size() { return static_cast<uint64>(buffer_->byte_length()); } |
| |
| DEFINE_WRAPPABLE_TYPE(Blob); |
| |
| private: |
| scoped_refptr<ArrayBuffer> buffer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Blob); |
| }; |
| |
| } // namespace dom |
| } // namespace cobalt |
| |
| #endif // COBALT_DOM_BLOB_H_ |