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- // 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 <stdint.h>
- #include <memory>
- #include <string>
- #include "base/callback_forward.h"
- #include "base/memory/raw_ptr.h"
- #include "base/memory/weak_ptr.h"
- #include "base/timer/timer.h"
- #include "pdf/url_loader_wrapper.h"
- #include "ui/gfx/range/range.h"
- namespace chrome_pdf {
- class UrlLoader;
- class URLLoaderWrapperImpl : public URLLoaderWrapper {
- public:
- explicit URLLoaderWrapperImpl(std::unique_ptr<UrlLoader> url_loader);
- URLLoaderWrapperImpl(const URLLoaderWrapperImpl&) = delete;
- URLLoaderWrapperImpl& operator=(const URLLoaderWrapperImpl&) = delete;
- ~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;
- void Close() override;
- void OpenRange(const std::string& url,
- const std::string& referrer_url,
- uint32_t position,
- uint32_t size,
- base::OnceCallback<void(int)> callback) override;
- void ReadResponseBody(char* buffer,
- int buffer_size,
- base::OnceCallback<void(int)> callback) override;
- private:
- void SetHeadersFromLoader();
- void ParseHeaders(const std::string& response_headers);
- void DidOpen(base::OnceCallback<void(int)> callback, int32_t result);
- void DidRead(base::OnceCallback<void(int)> callback, int32_t result);
- void ReadResponseBodyImpl(base::OnceCallback<void(int)> callback);
- std::unique_ptr<UrlLoader> url_loader_;
- 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;
- raw_ptr<char> buffer_ = nullptr;
- uint32_t buffer_size_ = 0;
- bool multi_part_processed_ = false;
- base::OneShotTimer read_starter_;
- base::WeakPtrFactory<URLLoaderWrapperImpl> weak_factory_{this};
- };
- } // namespace chrome_pdf
- #endif // PDF_URL_LOADER_WRAPPER_IMPL_H_
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