chore: delete unused PrintPreviewMessageHandler (#41841)
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Shelley Vohr
GitHub
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1 changed files with 0 additions and 273 deletions
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// Copyright (c) 2018 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/browser/printing/print_preview_message_handler.h"
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#include <memory>
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#include <utility>
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#include "base/functional/bind.h"
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#include "base/memory/read_only_shared_memory_region.h"
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#include "base/memory/ref_counted.h"
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#include "base/memory/ref_counted_memory.h"
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#include "chrome/browser/browser_process.h"
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#include "chrome/browser/printing/print_job_manager.h"
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#include "chrome/browser/printing/printer_query.h"
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#include "components/printing/browser/print_composite_client.h"
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#include "components/printing/browser/print_manager_utils.h"
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#include "components/services/print_compositor/public/cpp/print_service_mojo_types.h"
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#include "content/public/browser/browser_task_traits.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/public/browser/render_frame_host.h"
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#include "content/public/browser/web_contents.h"
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#include "content/public/browser/web_contents_user_data.h"
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#include "mojo/public/cpp/bindings/callback_helpers.h"
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#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
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#include "shell/common/node_includes.h"
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using content::BrowserThread;
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namespace electron {
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namespace {
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void StopWorker(int document_cookie) {
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if (document_cookie <= 0)
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return;
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scoped_refptr<printing::PrintQueriesQueue> queue =
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g_browser_process->print_job_manager()->queue();
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std::unique_ptr<printing::PrinterQuery> printer_query =
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queue->PopPrinterQuery(document_cookie);
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if (printer_query.get()) {
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content::GetIOThreadTaskRunner({})->PostTask(
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FROM_HERE, base::BindOnce(&printing::PrinterQuery::StopWorker,
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std::move(printer_query)));
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}
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}
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} // namespace
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PrintPreviewMessageHandler::PrintPreviewMessageHandler(
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content::WebContents* web_contents)
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: content::WebContentsUserData<PrintPreviewMessageHandler>(*web_contents),
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web_contents_(web_contents) {
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DCHECK(web_contents);
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}
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PrintPreviewMessageHandler::~PrintPreviewMessageHandler() = default;
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void PrintPreviewMessageHandler::MetafileReadyForPrinting(
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printing::mojom::DidPreviewDocumentParamsPtr params,
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int32_t request_id) {
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// Always try to stop the worker.
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StopWorker(params->document_cookie);
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if (params->expected_pages_count == 0) {
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RejectPromise(request_id);
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return;
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}
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const base::ReadOnlySharedMemoryRegion& metafile =
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params->content->metafile_data_region;
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if (printing::IsOopifEnabled()) {
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auto* client =
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printing::PrintCompositeClient::FromWebContents(web_contents_);
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DCHECK(client);
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auto callback = base::BindOnce(
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&PrintPreviewMessageHandler::OnCompositeDocumentToPdfDone,
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weak_ptr_factory_.GetWeakPtr(), request_id);
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client->DoCompleteDocumentToPdf(
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params->document_cookie, params->expected_pages_count,
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mojo::WrapCallbackWithDefaultInvokeIfNotRun(
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std::move(callback),
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printing::mojom::PrintCompositor::Status::kCompositingFailure,
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base::ReadOnlySharedMemoryRegion()));
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} else {
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ResolvePromise(
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request_id,
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base::RefCountedSharedMemoryMapping::CreateFromWholeRegion(metafile));
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}
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}
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void PrintPreviewMessageHandler::OnPrepareForDocumentToPdfDone(
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int32_t request_id,
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printing::mojom::PrintCompositor::Status status) {
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DCHECK_CURRENTLY_ON(BrowserThread::UI);
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if (status != printing::mojom::PrintCompositor::Status::kSuccess) {
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LOG(ERROR) << "Preparing document for pdf failed with error " << status;
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}
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}
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void PrintPreviewMessageHandler::DidPrepareDocumentForPreview(
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int32_t document_cookie,
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int32_t request_id) {
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if (printing::IsOopifEnabled()) {
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auto* client =
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printing::PrintCompositeClient::FromWebContents(web_contents_);
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DCHECK(client);
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if (client->GetIsDocumentConcurrentlyComposited(document_cookie))
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return;
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auto* focused_frame = web_contents_->GetFocusedFrame();
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auto* rfh = focused_frame && focused_frame->HasSelection()
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? focused_frame
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: web_contents_->GetPrimaryMainFrame();
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client->DoPrepareForDocumentToPdf(
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document_cookie, rfh,
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mojo::WrapCallbackWithDefaultInvokeIfNotRun(
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base::BindOnce(
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&PrintPreviewMessageHandler::OnPrepareForDocumentToPdfDone,
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weak_ptr_factory_.GetWeakPtr(), request_id),
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printing::mojom::PrintCompositor::Status::kCompositingFailure));
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}
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}
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void PrintPreviewMessageHandler::OnCompositeDocumentToPdfDone(
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int32_t request_id,
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printing::mojom::PrintCompositor::Status status,
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base::ReadOnlySharedMemoryRegion region) {
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DCHECK_CURRENTLY_ON(BrowserThread::UI);
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if (status != printing::mojom::PrintCompositor::Status::kSuccess) {
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LOG(ERROR) << "Compositing pdf failed with error " << status;
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RejectPromise(request_id);
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return;
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}
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ResolvePromise(
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request_id,
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base::RefCountedSharedMemoryMapping::CreateFromWholeRegion(region));
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}
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void PrintPreviewMessageHandler::OnCompositePdfPageDone(
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int page_number,
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int document_cookie,
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int32_t request_id,
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printing::mojom::PrintCompositor::Status status,
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base::ReadOnlySharedMemoryRegion region) {
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DCHECK_CURRENTLY_ON(BrowserThread::UI);
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if (status != printing::mojom::PrintCompositor::Status::kSuccess) {
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LOG(ERROR) << "Compositing pdf failed on page: " << page_number
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<< " with error: " << status;
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}
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}
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void PrintPreviewMessageHandler::DidPreviewPage(
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printing::mojom::DidPreviewPageParamsPtr params,
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int32_t request_id) {
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int page_number = params->page_number;
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const printing::mojom::DidPrintContentParams& content = *(params->content);
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if (page_number < printing::FIRST_PAGE_INDEX ||
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!content.metafile_data_region.IsValid()) {
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RejectPromise(request_id);
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return;
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}
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if (printing::IsOopifEnabled()) {
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auto* client =
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printing::PrintCompositeClient::FromWebContents(web_contents_);
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DCHECK(client);
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auto* focused_frame = web_contents_->GetFocusedFrame();
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auto* rfh = focused_frame && focused_frame->HasSelection()
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? focused_frame
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: web_contents_->GetPrimaryMainFrame();
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// Use utility process to convert skia metafile to pdf.
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client->DoCompositePageToPdf(
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params->document_cookie, rfh, content,
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mojo::WrapCallbackWithDefaultInvokeIfNotRun(
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base::BindOnce(&PrintPreviewMessageHandler::OnCompositePdfPageDone,
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weak_ptr_factory_.GetWeakPtr(), page_number,
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params->document_cookie, request_id),
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printing::mojom::PrintCompositor::Status::kCompositingFailure,
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base::ReadOnlySharedMemoryRegion()));
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}
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}
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void PrintPreviewMessageHandler::PrintPreviewFailed(int32_t document_cookie,
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int32_t request_id) {
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StopWorker(document_cookie);
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RejectPromise(request_id);
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}
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void PrintPreviewMessageHandler::PrintPreviewCancelled(int32_t document_cookie,
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int32_t request_id) {
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StopWorker(document_cookie);
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RejectPromise(request_id);
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}
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void PrintPreviewMessageHandler::PrintToPDF(
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base::Value::Dict options,
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gin_helper::Promise<v8::Local<v8::Value>> promise) {
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int request_id;
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options.Get(printing::kPreviewRequestID, &request_id);
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promise_map_.emplace(request_id, std::move(promise));
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auto* focused_frame = web_contents_->GetFocusedFrame();
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auto* rfh = focused_frame && focused_frame->HasSelection()
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? focused_frame
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: web_contents_->GetPrimaryMainFrame();
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if (!print_render_frame_.is_bound()) {
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rfh->GetRemoteAssociatedInterfaces()->GetInterface(&print_render_frame_);
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}
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if (!receiver_.is_bound()) {
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print_render_frame_->SetPrintPreviewUI(
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receiver_.BindNewEndpointAndPassRemote());
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}
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print_render_frame_->PrintPreview(options.GetDict().Clone());
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}
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gin_helper::Promise<v8::Local<v8::Value>>
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PrintPreviewMessageHandler::GetPromise(int request_id) {
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auto it = promise_map_.find(request_id);
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DCHECK(it != promise_map_.end());
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gin_helper::Promise<v8::Local<v8::Value>> promise = std::move(it->second);
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promise_map_.erase(it);
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return promise;
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}
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void PrintPreviewMessageHandler::ResolvePromise(
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int request_id,
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scoped_refptr<base::RefCountedMemory> data_bytes) {
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DCHECK_CURRENTLY_ON(BrowserThread::UI);
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gin_helper::Promise<v8::Local<v8::Value>> promise = GetPromise(request_id);
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v8::Isolate* isolate = promise.isolate();
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v8::HandleScope handle_scope(isolate);
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v8::Context::Scope context_scope(
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v8::Local<v8::Context>::New(isolate, promise.GetContext()));
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v8::Local<v8::Value> buffer =
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node::Buffer::Copy(isolate,
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reinterpret_cast<const char*>(data_bytes->front()),
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data_bytes->size())
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.ToLocalChecked();
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promise.Resolve(buffer);
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}
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void PrintPreviewMessageHandler::RejectPromise(int request_id) {
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DCHECK_CURRENTLY_ON(BrowserThread::UI);
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gin_helper::Promise<v8::Local<v8::Value>> promise = GetPromise(request_id);
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promise.RejectWithErrorMessage("Failed to generate PDF");
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}
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WEB_CONTENTS_USER_DATA_KEY_IMPL(PrintPreviewMessageHandler);
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} // namespace electron
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