blob: b49481848e35a8c3fb770038c7adab9febfe52bd [file] [log] [blame]
// 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.
#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 {
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 GetByteRange(int* start, int* end) 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);
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_;
} // namespace chrome_pdf