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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_PRINTING_TEST_PRINT_VIEW_MANAGER_FOR_REQUEST_PREVIEW_H_
#define CHROME_BROWSER_PRINTING_TEST_PRINT_VIEW_MANAGER_FOR_REQUEST_PREVIEW_H_
#include "base/functional/callback_forward.h"
#include "chrome/browser/printing/print_view_manager.h"
#include "components/printing/common/print.mojom.h"
namespace content {
class WebContents;
}
namespace printing {
// A helper class for testing PrintViewManager::RequestPrintPreview().
// When printing::StartPrint is called in a browser test, the browser process
// communicates with a renderer process using mojo API. The rendered should call
// PrintViewManager::RequestPrintPreview(). However, due to asynchronous
// execution, it is possible that the test fixture will end before this call
// happens. TestPrintViewManagerForRequestPreview helps to set up
// synchronisation using base::RunLoop.
class TestPrintViewManagerForRequestPreview : public PrintViewManager {
public:
// Create TestPrintViewManagerForRequestPreview with
// PrintViewManager::UserDataKey() so that PrintViewManager::FromWebContents()
// in printing path returns TestPrintViewManagerForRequestPreview*.
static void CreateForWebContents(content::WebContents* web_contents);
explicit TestPrintViewManagerForRequestPreview(
content::WebContents* web_contents);
TestPrintViewManagerForRequestPreview(
const TestPrintViewManagerForRequestPreview&) = delete;
TestPrintViewManagerForRequestPreview& operator=(
const TestPrintViewManagerForRequestPreview&) = delete;
~TestPrintViewManagerForRequestPreview() override;
static TestPrintViewManagerForRequestPreview* FromWebContents(
content::WebContents* web_contents);
void set_quit_closure(base::OnceClosure quit_closure);
private:
// printing::mojom::PrintManagerHost:
void RequestPrintPreview(mojom::RequestPrintPreviewParamsPtr params) override;
base::OnceClosure quit_closure_;
};
} // namespace printing
#endif // CHROME_BROWSER_PRINTING_TEST_PRINT_VIEW_MANAGER_FOR_REQUEST_PREVIEW_H_
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