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// Copyright 2023 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/printing/test_print_view_manager.h"
#include <functional>
#include <memory>
#include <utility>
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "build/build_config.h"
#include "chrome/browser/printing/print_job.h"
#include "chrome/browser/printing/print_job_manager.h"
#include "chrome/browser/printing/print_view_manager_common.h"
#include "chrome/browser/printing/printer_query.h"
#include "components/printing/browser/print_manager_utils.h"
#include "components/printing/common/print.mojom.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_frame_host.h"
#include "printing/mojom/print.mojom.h"
#include "printing/print_settings.h"
#if BUILDFLAG(IS_WIN)
#include "printing/metafile.h"
#include "printing/print_job_constants.h"
#endif
namespace printing {
namespace {
void OnDidUpdatePrintSettings(
mojom::PrintPagesParamsPtr& snooped_params,
mojom::PrintManagerHost::UpdatePrintSettingsCallback callback,
mojom::PrintPagesParamsPtr settings) {
snooped_params = mojom::PrintPagesParams::New();
auto params = mojom::PrintParams::New();
// Copy over any relevant fields that we want to snoop.
if (settings) {
params->dpi = settings->params->dpi;
params->page_size = settings->params->page_size;
params->content_size = settings->params->content_size;
params->printable_area = settings->params->printable_area;
}
snooped_params->params = std::move(params);
std::move(callback).Run(std::move(settings));
}
class TestPrintJob : public PrintJob {
public:
explicit TestPrintJob(PrintJobManager* print_job_manager)
: PrintJob(print_job_manager) {}
#if BUILDFLAG(IS_WIN)
void set_simulate_pdf_conversion_error_on_page_index(uint32_t page_index) {
simulate_pdf_conversion_error_on_page_index_ = page_index;
}
#endif
private:
~TestPrintJob() override = default;
#if BUILDFLAG(IS_WIN)
// `PrintJob` overrides:
void OnPdfPageConverted(uint32_t page_index,
float scale_factor,
std::unique_ptr<MetafilePlayer> metafile) override {
if (simulate_pdf_conversion_error_on_page_index_.has_value() &&
page_index == *simulate_pdf_conversion_error_on_page_index_) {
// Override the page index to simulate an error.
page_index = kInvalidPageIndex;
}
PrintJob::OnPdfPageConverted(page_index, scale_factor, std::move(metafile));
}
std::optional<uint32_t> simulate_pdf_conversion_error_on_page_index_;
#endif // BUILDFLAG(IS_WIN)
};
} // namespace
TestPrintViewManager::TestPrintViewManager(content::WebContents* web_contents)
: PrintViewManager(web_contents) {}
TestPrintViewManager::TestPrintViewManager(content::WebContents* web_contents,
OnDidCreatePrintJobCallback callback)
: PrintViewManager(web_contents),
on_did_create_print_job_(std::move(callback)) {}
TestPrintViewManager::~TestPrintViewManager() = default;
bool TestPrintViewManager::StartPrinting(content::WebContents* contents) {
auto* print_view_manager = TestPrintViewManager::FromWebContents(contents);
if (!print_view_manager) {
return false;
}
content::RenderFrameHost* rfh_to_use = GetFrameToPrint(contents);
if (!rfh_to_use) {
return false;
}
return print_view_manager->PrintNow(rfh_to_use);
}
void TestPrintViewManager::WaitUntilPreviewIsShownOrCancelled() {
base::RunLoop run_loop;
quit_closure_ = run_loop.QuitClosure();
run_loop.Run();
}
// static
TestPrintViewManager* TestPrintViewManager::CreateForWebContents(
content::WebContents* web_contents) {
auto manager = std::make_unique<TestPrintViewManager>(web_contents);
auto* manager_ptr = manager.get();
web_contents->SetUserData(PrintViewManager::UserDataKey(),
std::move(manager));
return manager_ptr;
}
bool TestPrintViewManager::PrintNow(content::RenderFrameHost* rfh) {
print_now_result_ = PrintViewManager::PrintNow(rfh);
return *print_now_result_;
}
scoped_refptr<PrintJob> TestPrintViewManager::CreatePrintJob(
PrintJobManager* print_job_manager) {
auto print_job = base::MakeRefCounted<TestPrintJob>(print_job_manager);
#if BUILDFLAG(IS_WIN)
if (simulate_pdf_conversion_error_on_page_index_.has_value()) {
print_job->set_simulate_pdf_conversion_error_on_page_index(
*simulate_pdf_conversion_error_on_page_index_);
}
#endif
if (on_did_create_print_job_) {
on_did_create_print_job_.Run(print_job.get());
}
return print_job;
}
void TestPrintViewManager::PrintPreviewRejectedForTesting() {
if (quit_closure_) {
std::move(quit_closure_).Run();
}
}
void TestPrintViewManager::PrintPreviewAllowedForTesting() {
if (quit_closure_) {
std::move(quit_closure_).Run();
}
}
void TestPrintViewManager::UpdatePrintSettings(
base::Value::Dict job_settings,
UpdatePrintSettingsCallback callback) {
PrintViewManagerBase::UpdatePrintSettings(
std::move(job_settings),
base::BindOnce(&OnDidUpdatePrintSettings, std::ref(snooped_params_),
std::move(callback)));
}
} // namespace printing
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