electron/shell/browser/electron_pdf_document_helper_client.cc
trop[bot] 57aeb9dfc6
fix: ensure SetPluginCanSave updated in PDFs (#43686)
fix: ensure SetPluginCanSave updated in PDFs

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
2024-09-11 17:56:23 +02:00

65 lines
2.6 KiB
C++

// Copyright (c) 2015 Slack Technologies, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/electron_pdf_document_helper_client.h"
#include "chrome/browser/pdf/pdf_viewer_stream_manager.h"
#include "chrome/common/content_restriction.h"
#include "components/pdf/browser/pdf_frame_util.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
#include "pdf/content_restriction.h"
#include "pdf/pdf_features.h"
#include "shell/browser/api/electron_api_web_contents.h"
ElectronPDFDocumentHelperClient::ElectronPDFDocumentHelperClient() = default;
ElectronPDFDocumentHelperClient::~ElectronPDFDocumentHelperClient() = default;
void ElectronPDFDocumentHelperClient::UpdateContentRestrictions(
content::RenderFrameHost* render_frame_host,
int content_restrictions) {
// UpdateContentRestrictions potentially gets called twice from
// pdf/pdf_view_web_plugin.cc. The first time it is potentially called is
// when loading starts and it is called with a restriction on printing. The
// second time it is called is when loading is finished and if printing is
// allowed there won't be a printing restriction passed, so we can use this
// second call to notify that the pdf document is ready to print.
if (!(content_restrictions & chrome_pdf::kContentRestrictionPrint)) {
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(render_frame_host);
electron::api::WebContents* api_web_contents =
electron::api::WebContents::From(
web_contents->GetOutermostWebContents());
if (api_web_contents) {
api_web_contents->PDFReadyToPrint();
}
}
}
void ElectronPDFDocumentHelperClient::SetPluginCanSave(
content::RenderFrameHost* render_frame_host,
bool can_save) {
if (chrome_pdf::features::IsOopifPdfEnabled()) {
auto* pdf_viewer_stream_manager =
pdf::PdfViewerStreamManager::FromWebContents(
content::WebContents::FromRenderFrameHost(render_frame_host));
if (!pdf_viewer_stream_manager) {
return;
}
content::RenderFrameHost* embedder_host =
pdf_frame_util::GetEmbedderHost(render_frame_host);
CHECK(embedder_host);
pdf_viewer_stream_manager->SetPluginCanSave(embedder_host, can_save);
return;
}
auto* guest_view =
extensions::MimeHandlerViewGuest::FromRenderFrameHost(render_frame_host);
if (guest_view) {
guest_view->SetPluginCanSave(can_save);
}
}