| // Copyright 2016 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 PDF_URL_LOADER_WRAPPER_IMPL_H_ |
| #define PDF_URL_LOADER_WRAPPER_IMPL_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "pdf/url_loader_wrapper.h" |
| #include "ppapi/cpp/url_loader.h" |
| #include "ppapi/utility/completion_callback_factory.h" |
| #include "ui/gfx/range/range.h" |
| |
| namespace pp { |
| class Instance; |
| }; |
| |
| namespace chrome_pdf { |
| |
| class URLLoaderWrapperImpl : public URLLoaderWrapper { |
| public: |
| URLLoaderWrapperImpl(pp::Instance* plugin_instance, |
| const pp::URLLoader& url_loader); |
| ~URLLoaderWrapperImpl() override; |
| |
| // URLLoaderWrapper overrides: |
| int GetContentLength() const override; |
| bool IsAcceptRangesBytes() const override; |
| bool IsContentEncoded() const override; |
| std::string GetContentType() const override; |
| std::string GetContentDisposition() const override; |
| int GetStatusCode() const override; |
| bool IsMultipart() const override; |
| bool GetByteRangeStart(int* start) const override; |
| bool GetDownloadProgress(int64_t* bytes_received, |
| int64_t* total_bytes_to_be_received) const override; |
| void Close() override; |
| void OpenRange(const std::string& url, |
| const std::string& referrer_url, |
| uint32_t position, |
| uint32_t size, |
| const pp::CompletionCallback& cc) override; |
| void ReadResponseBody(char* buffer, |
| int buffer_size, |
| const pp::CompletionCallback& cc) override; |
| |
| void SetResponseHeaders(const std::string& response_headers); |
| |
| private: |
| class ReadStarter; |
| |
| void SetHeadersFromLoader(); |
| void ParseHeaders(); |
| void DidOpen(int32_t result); |
| void DidRead(int32_t result); |
| |
| void ReadResponseBodyImpl(); |
| |
| pp::Instance* const plugin_instance_; |
| pp::URLLoader url_loader_; |
| std::string response_headers_; |
| |
| int content_length_ = -1; |
| bool accept_ranges_bytes_ = false; |
| bool content_encoded_ = false; |
| std::string content_type_; |
| std::string content_disposition_; |
| std::string multipart_boundary_; |
| gfx::Range byte_range_ = gfx::Range::InvalidRange(); |
| bool is_multipart_ = false; |
| char* buffer_ = nullptr; |
| uint32_t buffer_size_ = 0; |
| bool multi_part_processed_ = false; |
| |
| pp::CompletionCallback did_open_callback_; |
| pp::CompletionCallback did_read_callback_; |
| pp::CompletionCallbackFactory<URLLoaderWrapperImpl> callback_factory_; |
| |
| std::unique_ptr<ReadStarter> read_starter_; |
| |
| DISALLOW_COPY_AND_ASSIGN(URLLoaderWrapperImpl); |
| }; |
| |
| } // namespace chrome_pdf |
| |
| #endif // PDF_URL_LOADER_WRAPPER_IMPL_H_ |