electron/shell/browser/printing/print_view_manager_electron.cc

145 lines
4.9 KiB
C++

// Copyright 2020 Microsoft, Inc. All rights reserved.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/printing/print_view_manager_electron.h"
#include <utility>
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "components/printing/browser/print_to_pdf/pdf_print_utils.h"
#include "printing/mojom/print.mojom.h"
#include "printing/page_range.h"
#include "third_party/abseil-cpp/absl/types/variant.h"
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
#include "mojo/public/cpp/bindings/message.h"
#endif
namespace electron {
namespace {
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
constexpr char kInvalidSetupScriptedPrintPreviewCall[] =
"Invalid SetupScriptedPrintPreview Call";
constexpr char kInvalidShowScriptedPrintPreviewCall[] =
"Invalid ShowScriptedPrintPreview Call";
constexpr char kInvalidRequestPrintPreviewCall[] =
"Invalid RequestPrintPreview Call";
#endif
} // namespace
// This file subclasses printing::PrintViewManagerBase
// but the implementations are duplicated from
// components/printing/browser/print_to_pdf/pdf_print_manager.cc.
PrintViewManagerElectron::PrintViewManagerElectron(
content::WebContents* web_contents)
: printing::PrintViewManagerBase(web_contents),
content::WebContentsUserData<PrintViewManagerElectron>(*web_contents) {}
PrintViewManagerElectron::~PrintViewManagerElectron() = default;
// static
void PrintViewManagerElectron::BindPrintManagerHost(
mojo::PendingAssociatedReceiver<printing::mojom::PrintManagerHost> receiver,
content::RenderFrameHost* rfh) {
auto* web_contents = content::WebContents::FromRenderFrameHost(rfh);
if (!web_contents)
return;
auto* print_manager = PrintViewManagerElectron::FromWebContents(web_contents);
if (!print_manager)
return;
print_manager->BindReceiver(std::move(receiver), rfh);
}
void PrintViewManagerElectron::DidPrintToPdf(
int cookie,
PrintToPdfCallback callback,
print_to_pdf::PdfPrintResult result,
scoped_refptr<base::RefCountedMemory> memory) {
std::erase(pdf_jobs_, cookie);
std::move(callback).Run(result, memory);
}
void PrintViewManagerElectron::PrintToPdf(
content::RenderFrameHost* rfh,
const std::string& page_ranges,
printing::mojom::PrintPagesParamsPtr print_pages_params,
PrintToPdfCallback callback) {
// Store cookie in order to track job uniqueness and differentiate
// between regular and headless print jobs.
int cookie = print_pages_params->params->document_cookie;
pdf_jobs_.emplace_back(cookie);
print_to_pdf::PdfPrintJob::StartJob(
web_contents(), rfh, GetPrintRenderFrame(rfh), page_ranges,
std::move(print_pages_params),
base::BindOnce(&PrintViewManagerElectron::DidPrintToPdf,
weak_factory_.GetWeakPtr(), cookie, std::move(callback)));
}
void PrintViewManagerElectron::GetDefaultPrintSettings(
GetDefaultPrintSettingsCallback callback) {
// This isn't ideal, but we're not able to access the document cookie here.
if (pdf_jobs_.size() > 0) {
LOG(ERROR) << "Scripted print is not supported";
std::move(callback).Run(printing::mojom::PrintParams::New());
} else {
PrintViewManagerBase::GetDefaultPrintSettings(std::move(callback));
}
}
void PrintViewManagerElectron::ScriptedPrint(
printing::mojom::ScriptedPrintParamsPtr params,
ScriptedPrintCallback callback) {
if (!base::Contains(pdf_jobs_, params->cookie)) {
PrintViewManagerBase::ScriptedPrint(std::move(params), std::move(callback));
return;
}
auto default_param = printing::mojom::PrintPagesParams::New();
default_param->params = printing::mojom::PrintParams::New();
LOG(ERROR) << "Scripted print is not supported";
std::move(callback).Run(std::move(default_param));
}
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
void PrintViewManagerElectron::SetupScriptedPrintPreview(
SetupScriptedPrintPreviewCallback callback) {
mojo::ReportBadMessage(kInvalidSetupScriptedPrintPreviewCall);
}
void PrintViewManagerElectron::ShowScriptedPrintPreview(
bool source_is_modifiable) {
mojo::ReportBadMessage(kInvalidShowScriptedPrintPreviewCall);
}
void PrintViewManagerElectron::RequestPrintPreview(
printing::mojom::RequestPrintPreviewParamsPtr params) {
mojo::ReportBadMessage(kInvalidRequestPrintPreviewCall);
}
void PrintViewManagerElectron::CheckForCancel(int32_t preview_ui_id,
int32_t request_id,
CheckForCancelCallback callback) {
std::move(callback).Run(false);
}
#endif // BUILDFLAG(ENABLE_PRINT_PREVIEW)
void PrintViewManagerElectron::DidGetPrintedPagesCount(int32_t cookie,
uint32_t number_pages) {
if (!base::Contains(pdf_jobs_, cookie)) {
PrintViewManagerBase::DidGetPrintedPagesCount(cookie, number_pages);
}
}
WEB_CONTENTS_USER_DATA_KEY_IMPL(PrintViewManagerElectron);
} // namespace electron