cef/libcef/browser/printing/print_view_manager.h
2018-06-19 15:49:32 -04:00

73 lines
2.5 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 "libcef/browser/printing/print_view_manager_base.h"
#include "base/macros.h"
#include "content/public/browser/web_contents_user_data.h"
namespace content {
class RenderFrameHost;
class RenderProcessHost;
} // namespace content
struct PrintHostMsg_DidPreviewDocument_Params;
struct PrintHostMsg_PreviewIds;
struct PrintHostMsg_RequestPrintPreview_Params;
namespace printing {
// Manages the print commands for a WebContents.
class CefPrintViewManager
: public CefPrintViewManagerBase,
public content::WebContentsUserData<CefPrintViewManager> {
public:
~CefPrintViewManager() override;
// Callback executed on PDF printing completion.
typedef base::Callback<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,
const PdfPrintCallback& callback);
// content::WebContentsObserver implementation.
void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
void NavigationStopped() override;
void RenderProcessGone(base::TerminationStatus status) override;
bool OnMessageReceived(const IPC::Message& message,
content::RenderFrameHost* render_frame_host) override;
private:
explicit CefPrintViewManager(content::WebContents* web_contents);
friend class content::WebContentsUserData<CefPrintViewManager>;
// IPC Message handlers.
void OnDidShowPrintDialog(content::RenderFrameHost* rfh);
void OnRequestPrintPreview(const PrintHostMsg_RequestPrintPreview_Params&);
void OnMetafileReadyForPrinting(
content::RenderFrameHost* render_frame_host,
const PrintHostMsg_DidPreviewDocument_Params& params,
const PrintHostMsg_PreviewIds& ids);
void TerminatePdfPrintJob();
// Used for printing to PDF. Only accessed on the browser process UI thread.
int next_pdf_request_id_ = -1;
struct PdfPrintState;
std::unique_ptr<PdfPrintState> pdf_print_state_;
DISALLOW_COPY_AND_ASSIGN(CefPrintViewManager);
};
} // namespace printing
#endif // CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_