cef/libcef/browser/printing/print_view_manager.h

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4.4 KiB
C++

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_
#define CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_
#include "include/internal/cef_types_wrappers.h"
#include "base/callback_forward.h"
#include "base/macros.h"
#include "chrome/browser/printing/print_view_manager.h"
#include "components/printing/common/print.mojom-forward.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#include "printing/mojom/print.mojom.h"
namespace content {
class RenderFrameHost;
class RenderProcessHost;
class WebContentsObserver;
} // namespace content
class CefBrowserInfo;
namespace printing {
// CEF handler for print commands.
class CefPrintViewManager : public PrintViewManager,
public mojom::PrintPreviewUI {
public:
~CefPrintViewManager() override;
static void BindPrintManagerHost(
mojo::PendingAssociatedReceiver<mojom::PrintManagerHost> receiver,
content::RenderFrameHost* rfh);
// Callback executed on PDF printing completion.
typedef base::OnceCallback<void(bool /*ok*/)> PdfPrintCallback;
// Print the current document to a PDF file. Execute |callback| on completion.
bool PrintToPDF(content::RenderFrameHost* rfh,
const base::FilePath& path,
const CefPdfPrintSettings& settings,
PdfPrintCallback callback);
// mojom::PrintManagerHost methods:
void GetDefaultPrintSettings(
GetDefaultPrintSettingsCallback callback) override;
void DidShowPrintDialog() override;
void RequestPrintPreview(mojom::RequestPrintPreviewParamsPtr params) override;
void CheckForCancel(int32_t preview_ui_id,
int32_t request_id,
CheckForCancelCallback callback) override;
// printing::mojo::PrintPreviewUI methods:
void SetOptionsFromDocument(const mojom::OptionsFromDocumentParamsPtr params,
int32_t request_id) override {}
void DidPrepareDocumentForPreview(int32_t document_cookie,
int32_t request_id) override {}
void DidPreviewPage(mojom::DidPreviewPageParamsPtr params,
int32_t request_id) override {}
void MetafileReadyForPrinting(mojom::DidPreviewDocumentParamsPtr params,
int32_t request_id) override;
void PrintPreviewFailed(int32_t document_cookie, int32_t request_id) override;
void PrintPreviewCancelled(int32_t document_cookie,
int32_t request_id) override;
void PrinterSettingsInvalid(int32_t document_cookie,
int32_t request_id) override {}
void DidGetDefaultPageLayout(mojom::PageSizeMarginsPtr page_layout_in_points,
const gfx::Rect& printable_area_in_points,
bool has_custom_page_size_style,
int32_t request_id) override {}
void DidStartPreview(mojom::DidStartPreviewParamsPtr params,
int32_t request_id) override {}
// content::WebContentsObserver methods:
void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
void NavigationStopped() override;
void RenderProcessGone(base::TerminationStatus status) override;
// Inline versions of the content::WebContentsUserData methods to avoid
// ambiguous warnings due to the PrintViewManager base class also extending
// WebContentsUserData.
static void CreateForWebContents(content::WebContents* contents);
static CefPrintViewManager* FromWebContents(content::WebContents* contents);
static const CefPrintViewManager* FromWebContents(
const content::WebContents* contents);
private:
explicit CefPrintViewManager(content::WebContents* web_contents);
void TerminatePdfPrintJob();
// Used for printing to PDF. Only accessed on the browser process UI thread.
int next_pdf_request_id_ = content::RenderFrameHost::kNoFrameTreeNodeId;
struct PdfPrintState;
std::unique_ptr<PdfPrintState> pdf_print_state_;
mojo::AssociatedReceiver<mojom::PrintPreviewUI> pdf_print_receiver_{this};
DISALLOW_COPY_AND_ASSIGN(CefPrintViewManager);
};
} // namespace printing
#endif // CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_