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Diffstat (limited to 'src/core/print_view_manager_base_qt.h')
-rw-r--r-- | src/core/print_view_manager_base_qt.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/core/print_view_manager_base_qt.h b/src/core/print_view_manager_base_qt.h new file mode 100644 index 000000000..f1e001eee --- /dev/null +++ b/src/core/print_view_manager_base_qt.h @@ -0,0 +1,150 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtWebEngine module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// Copyright 2013 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 PRINT_VIEW_MANAGER_BASE_QT_H +#define PRINT_VIEW_MANAGER_BASE_QT_H + +#include "base/memory/ref_counted.h" +#include "base/prefs/pref_member.h" +#include "base/strings/string16.h" +#include "components/printing/browser/print_manager.h" +#include "content/public/browser/notification_observer.h" +#include "content/public/browser/notification_registrar.h" +#include "printing/printed_pages_source.h" + +struct PrintHostMsg_DidPrintPage_Params; + +namespace content { +class RenderViewHost; +} + +namespace printing { +class JobEventDetails; +class MetafilePlayer; +class PrintJob; +class PrintJobWorkerOwner; +class PrintQueriesQueue; +} + +namespace QtWebEngineCore { +class PrintViewManagerBaseQt + : public content::NotificationObserver + , public printing::PrintManager + , public printing::PrintedPagesSource +{ +public: + ~PrintViewManagerBaseQt() override; + + // PrintedPagesSource implementation. + base::string16 RenderSourceName() override; + +protected: + explicit PrintViewManagerBaseQt(content::WebContents*); + + // content::WebContentsObserver implementation. + // Cancels the print job. + void NavigationStopped() override; + + // Terminates or cancels the print job if one was pending. + void RenderProcessGone(base::TerminationStatus status) override; + + // content::WebContentsObserver implementation. + bool OnMessageReceived(const IPC::Message& message) override; + + // IPC Message handlers. + void OnDidPrintPage(const PrintHostMsg_DidPrintPage_Params& params); + void OnShowInvalidPrinterSettingsError(); + + // Processes a NOTIFY_PRINT_JOB_EVENT notification. + void OnNotifyPrintJobEvent(const printing::JobEventDetails& event_details); + + int number_pages_; // Number of pages to print in the print job. + int cookie_; + scoped_ptr<base::DictionaryValue> m_printSettings; + + // content::NotificationObserver implementation. + void Observe(int, + const content::NotificationSource&, + const content::NotificationDetails&) override; + void StopWorker(int document_cookie); + + // In the case of Scripted Printing, where the renderer is controlling the + // control flow, print_job_ is initialized whenever possible. No-op is + // print_job_ is initialized. + bool OpportunisticallyCreatePrintJob(int cookie); + + // Requests the RenderView to render all the missing pages for the print job. + // No-op if no print job is pending. Returns true if at least one page has + // been requested to the renderer. + bool RenderAllMissingPagesNow(); + + // Quits the current message loop if these conditions hold true: a document is + // loaded and is complete and waiting_for_pages_to_be_rendered_ is true. This + // function is called in DidPrintPage() or on ALL_PAGES_REQUESTED + // notification. The inner message loop is created was created by + // RenderAllMissingPagesNow(). + void ShouldQuitFromInnerMessageLoop(); + + bool RunInnerMessageLoop(); + + void TerminatePrintJob(bool cancel); + void PrintingDone(bool success); + void DisconnectFromCurrentPrintJob(); + + bool CreateNewPrintJob(printing::PrintJobWorkerOwner* job); + void ReleasePrintJob(); + void ReleasePrinterQuery(); + +private: + content::NotificationRegistrar m_registrar; + scoped_refptr<printing::PrintJob> m_printJob; + + bool m_isInsideInnerMessageLoop; + bool m_isExpectingFirstPage; + bool m_didPrintingSucceed; + scoped_refptr<printing::PrintQueriesQueue> m_printerQueriesQueue; + // content::WebContentsObserver implementation. + void DidStartLoading() override; + DISALLOW_COPY_AND_ASSIGN(PrintViewManagerBaseQt); +}; + +} // namespace QtWebEngineCore +#endif // PRINT_VIEW_MANAGER_BASE_QT_H + |