Include printing sources and enable printing for desktop platforms.

Also adds Qt specific core classes for printing as well as adding
printing related objects to the web engine context and including
the printing sources in the builds for the desktop platforms.

Also updates src/3rdparty submodule SHA-1.

Change-Id: I9c2631c59f63571c0840d838077e66122bacc741
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>

1 files changed, 138 insertions, 0 deletions

diff --git a/src/core/printing_message_filter_qt.h b/src/core/printing_message_filter_qt.h
new file mode 100644
index 000000000..004e5b86a
--- /dev/null
+++ b/src/core/printing_message_filter_qt.h
@@ -0,0 +1,138 @@
+/****************************************************************************
+**
+** 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 (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 PRINTING_PRINTING_MESSAGE_FILTER_QT_H_
+#define PRINTING_PRINTING_MESSAGE_FILTER_QT_H_
+
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "base/prefs/pref_member.h"
+#include "content/public/browser/browser_message_filter.h"
+
+#if defined(OS_WIN)
+#include "base/memory/shared_memory.h"
+#endif
+
+struct PrintHostMsg_ScriptedPrint_Params;
+
+namespace base {
+class DictionaryValue;
+class FilePath;
+}
+
+namespace content {
+class WebContents;
+}
+
+namespace printing {
+
+class PrintJobManager;
+class PrintQueriesQueue;
+class PrinterQuery;
+}
+
+namespace QtWebEngineCore {
+// This class filters out incoming printing related IPC messages for the
+// renderer process on the IPC thread.
+class PrintingMessageFilterQt : public content::BrowserMessageFilter {
+ public:
+  PrintingMessageFilterQt(int render_process_id);
+
+  // content::BrowserMessageFilter methods.
+  void OverrideThreadForMessage(const IPC::Message& message,
+                                content::BrowserThread::ID* thread) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
+
+ private:
+  ~PrintingMessageFilterQt() override;
+
+#if defined(OS_WIN)
+  // Used to pass resulting EMF from renderer to browser in printing.
+  void OnDuplicateSection(base::SharedMemoryHandle renderer_handle,
+                          base::SharedMemoryHandle* browser_handle);
+#endif
+
+  // GetPrintSettingsForRenderView must be called via PostTask and
+  // base::Bind.  Collapse the settings-specific params into a
+  // struct to avoid running into issues with too many params
+  // to base::Bind.
+  struct GetPrintSettingsForRenderViewParams;
+
+  // Checks if printing is enabled.
+  void OnIsPrintingEnabled(bool* is_enabled);
+
+  // Get the default print setting.
+  void OnGetDefaultPrintSettings(IPC::Message* reply_msg);
+  void OnGetDefaultPrintSettingsReply(scoped_refptr<printing::PrinterQuery> printer_query,
+                                      IPC::Message* reply_msg);
+
+  // The renderer host have to show to the user the print dialog and returns
+  // the selected print settings. The task is handled by the print worker
+  // thread and the UI thread. The reply occurs on the IO thread.
+  void OnScriptedPrint(const PrintHostMsg_ScriptedPrint_Params& params,
+                       IPC::Message* reply_msg);
+  void OnScriptedPrintReply(scoped_refptr<printing::PrinterQuery> printer_query,
+                            IPC::Message* reply_msg);
+
+  // Modify the current print settings based on |job_settings|. The task is
+  // handled by the print worker thread and the UI thread. The reply occurs on
+  // the IO thread.
+  void OnUpdatePrintSettings(int document_cookie,
+                             const base::DictionaryValue& job_settings,
+                             IPC::Message* reply_msg);
+  void OnUpdatePrintSettingsReply(scoped_refptr<printing::PrinterQuery> printer_query,
+                                  IPC::Message* reply_msg);
+
+  // Check to see if print preview has been cancelled.
+  void OnCheckForCancel(int32 preview_ui_id,
+                        int preview_request_id,
+                        bool* cancel);
+
+  const int render_process_id_;
+
+  scoped_refptr<printing::PrintQueriesQueue> queue_;
+
+  DISALLOW_COPY_AND_ASSIGN(PrintingMessageFilterQt);
+};
+
+}  // namespace printing
+
+#endif  // PRINTING_PRINTING_MESSAGE_FILTER_QT_H_