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// Copyright 2017 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/ui/webui/print_preview/pdf_printer_handler.h"
#include <windows.h> // Must be in front of other Windows header files.
#include <commdlg.h>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/ref_counted.h"
#include "base/memory/ref_counted_memory.h"
#include "base/run_loop.h"
#include "chrome/browser/platform_util.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "ui/shell_dialogs/select_file_dialog_win.h"
#include "ui/shell_dialogs/select_file_policy.h"
using content::WebContents;
namespace printing {
namespace {
void ExecuteCancelledSelectFileDialog(
ui::SelectFileDialog::Type type,
const std::u16string& title,
const base::FilePath& default_path,
const std::vector<ui::FileFilterSpec>& filter,
int file_type_index,
const std::wstring& default_extension,
HWND owner,
ui::OnSelectFileExecutedCallback on_select_file_executed_callback) {
// Send an empty result to simulate a cancelled dialog.
std::move(on_select_file_executed_callback).Run({}, 0);
}
class FakePdfPrinterHandler : public PdfPrinterHandler {
public:
FakePdfPrinterHandler(Profile* profile,
content::WebContents* contents,
PrintPreviewStickySettings* sticky_settings)
: PdfPrinterHandler(profile, contents, sticky_settings),
save_failed_(false) {}
void FileSelected(const ui::SelectedFileInfo& file, int index) override {
// Since we always cancel the dialog as soon as it is initialized, this
// should never be called.
NOTREACHED();
}
void FileSelectionCanceled() override {
save_failed_ = true;
run_loop_.Quit();
}
void StartPrintToPdf(const std::u16string& job_title) {
StartPrint(job_title, /*settings=*/base::Value::Dict(),
/*print_data=*/nullptr, base::DoNothing());
run_loop_.Run();
}
bool save_failed() const { return save_failed_; }
private:
// Simplified version of select file to avoid checking preferences and sticky
// settings in the test.
void SelectFile(const base::FilePath& default_filename,
content::WebContents* /* initiator */,
bool prompt_user) override {
ui::SelectFileDialog::FileTypeInfo file_type_info;
file_type_info.extensions.resize(1);
file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("pdf"));
select_file_dialog_ = ui::CreateWinSelectFileDialog(
this, nullptr /*policy already checked*/,
base::BindRepeating(&ExecuteCancelledSelectFileDialog));
select_file_dialog_->SelectFile(
ui::SelectFileDialog::SELECT_SAVEAS_FILE, std::u16string(),
default_filename, &file_type_info, 0, base::FilePath::StringType(),
platform_util::GetTopLevel(preview_web_contents_->GetNativeView()));
}
bool save_failed_;
base::RunLoop run_loop_;
};
} // namespace
class PdfPrinterHandlerWinTest : public InProcessBrowserTest {
public:
PdfPrinterHandlerWinTest() = default;
PdfPrinterHandlerWinTest(const PdfPrinterHandlerWinTest&) = delete;
PdfPrinterHandlerWinTest& operator=(const PdfPrinterHandlerWinTest&) = delete;
~PdfPrinterHandlerWinTest() override = default;
void SetUpOnMainThread() override {
InProcessBrowserTest::SetUpOnMainThread();
// Create a new tab and navigate to chrome://print.
ui_test_utils::NavigateToURLWithDisposition(
browser(), GURL("chrome://print"),
WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
// Create the PDF printer.
pdf_printer_ = std::make_unique<FakePdfPrinterHandler>(
GetProfile(), browser()->tab_strip_model()->GetWebContentsAt(0),
nullptr);
}
protected:
std::unique_ptr<FakePdfPrinterHandler> pdf_printer_;
};
IN_PROC_BROWSER_TEST_F(PdfPrinterHandlerWinTest, TestSaveAsPdf) {
pdf_printer_->StartPrintToPdf(u"111111111111111111111.html");
EXPECT_TRUE(pdf_printer_->save_failed());
}
IN_PROC_BROWSER_TEST_F(PdfPrinterHandlerWinTest, TestSaveAsPdfLongFileName) {
pdf_printer_->StartPrintToPdf(
u"11111111111111111111111111111111111111111111111111111111111111111111111"
u"11111111111111111111111111111111111111111111111111111111111111111111111"
u"11111111111111111111111111111111111111111111111111111111111111111111111"
u"11111111111111111111111111111111111111111111111111111111111111111111111"
u"1111111111111111111111111111111111111111111111111.html");
EXPECT_TRUE(pdf_printer_->save_failed());
}
} // namespace printing
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