chromium/chrome/browser/pdf/chrome_pdf_stream_delegate.cc

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/pdf/chrome_pdf_stream_delegate.h"

#include <optional>
#include <string>
#include <utility>

#include "base/check_op.h"
#include "base/feature_list.h"
#include "base/memory/weak_ptr.h"
#include "base/no_destructor.h"
#include "base/numerics/safe_conversions.h"
#include "chrome/browser/pdf/pdf_pref_names.h"
#include "chrome/browser/pdf/pdf_viewer_stream_manager.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/grit/pdf_resources.h"
#include "components/pdf/browser/pdf_stream_delegate.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/document_user_data.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
#include "extensions/common/api/mime_handler.mojom.h"
#include "extensions/common/constants.h"
#include "net/http/http_response_headers.h"
#include "pdf/pdf_features.h"
#include "printing/buildflags/buildflags.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/color_palette.h"
#include "url/gurl.h"

#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
#include "chrome/common/webui_url_constants.h"
#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)

namespace …  // namespace

ChromePdfStreamDelegate::ChromePdfStreamDelegate() = default;
ChromePdfStreamDelegate::~ChromePdfStreamDelegate() = default;

std::optional<GURL> ChromePdfStreamDelegate::MapToOriginalUrl(
    content::NavigationHandle& navigation_handle) { … }

std::optional<pdf::PdfStreamDelegate::StreamInfo>
ChromePdfStreamDelegate::GetStreamInfo(
    content::RenderFrameHost* embedder_frame) { … }

void ChromePdfStreamDelegate::OnPdfEmbedderSandboxed(int frame_tree_node_id) { … }

bool ChromePdfStreamDelegate::ShouldAllowPdfFrameNavigation(
    content::NavigationHandle* navigation_handle) { … }