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>

3 files changed, 151 insertions, 0 deletions

diff --git a/src/core/renderer/content_renderer_client_qt.cpp b/src/core/renderer/content_renderer_client_qt.cpp
index 36e4f83f1..77d93226c 100644
--- a/src/core/renderer/content_renderer_client_qt.cpp
+++ b/src/core/renderer/content_renderer_client_qt.cpp
@@ -50,6 +50,9 @@
 #endif
 #include "components/cdm/renderer/widevine_key_systems.h"
 #include "components/error_page/common/error_page_params.h"
+#if defined (ENABLE_BASIC_PRINTING)
+#include "components/printing/renderer/print_web_view_helper.h"
+#endif // if defined(ENABLE_BASIC_PRINTING)
 #include "components/visitedlink/renderer/visitedlink_slave.h"
 #include "components/web_cache/renderer/web_cache_render_process_observer.h"
 #include "content/public/renderer/render_frame.h"
@@ -65,6 +68,10 @@
 #include "content/public/common/web_preferences.h"
 
 #include "renderer/web_channel_ipc_transport.h"
+#if defined (ENABLE_BASIC_PRINTING)
+#include "renderer/print_web_view_helper_delegate_qt.h"
+#endif // if defined(ENABLE_BASIC_PRINTING)
+
 #include "renderer/render_frame_observer_qt.h"
 #include "renderer/render_view_observer_qt.h"
 #include "renderer/user_script_controller.h"
@@ -112,6 +119,13 @@ void ContentRendererClientQt::RenderViewCreated(content::RenderView* render_view
 #if defined(ENABLE_SPELLCHECK)
     new SpellCheckProvider(render_view, m_spellCheck.data());
 #endif
+
+#if defined(ENABLE_BASIC_PRINTING)
+    new printing::PrintWebViewHelper(
+        render_view,
+        scoped_ptr<printing::PrintWebViewHelper::Delegate>(
+            new PrintWebViewHelperDelegateQt()));
+#endif // defined(ENABLE_BASIC_PRINTING)
 }
 
 void ContentRendererClientQt::RenderFrameCreated(content::RenderFrame* render_frame)
diff --git a/src/core/renderer/print_web_view_helper_delegate_qt.cpp b/src/core/renderer/print_web_view_helper_delegate_qt.cpp
new file mode 100644
index 000000000..6d74685fe
--- /dev/null
+++ b/src/core/renderer/print_web_view_helper_delegate_qt.cpp
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** 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 2015 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.
+
+#include "print_web_view_helper_delegate_qt.h"
+
+#include "third_party/WebKit/public/web/WebElement.h"
+
+namespace QtWebEngineCore {
+PrintWebViewHelperDelegateQt::~PrintWebViewHelperDelegateQt()
+{
+
+}
+
+bool PrintWebViewHelperDelegateQt::CancelPrerender(content::RenderView* render_view,
+                                                   int routing_id)
+{
+    return true;
+}
+
+blink::WebElement PrintWebViewHelperDelegateQt::GetPdfElement(blink::WebLocalFrame* frame)
+{
+    return blink::WebElement();
+}
+
+bool PrintWebViewHelperDelegateQt::IsPrintPreviewEnabled()
+{
+    return false;
+}
+
+bool PrintWebViewHelperDelegateQt::OverridePrint(blink::WebLocalFrame* frame)
+{
+    return false;
+}
+
+}
diff --git a/src/core/renderer/print_web_view_helper_delegate_qt.h b/src/core/renderer/print_web_view_helper_delegate_qt.h
new file mode 100644
index 000000000..a854242ba
--- /dev/null
+++ b/src/core/renderer/print_web_view_helper_delegate_qt.h
@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** 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 2015 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_WEB_VIEW_HELPER_DELEGATE_QT_H
+#define PRINT_WEB_VIEW_HELPER_DELEGATE_QT_H
+
+#include "components/printing/renderer/print_web_view_helper.h"
+
+namespace QtWebEngineCore {
+
+class PrintWebViewHelperDelegateQt : public printing::PrintWebViewHelper::Delegate
+{
+public:
+    ~PrintWebViewHelperDelegateQt() override;
+
+    bool CancelPrerender(content::RenderView* render_view,
+                         int routing_id) override;
+
+    blink::WebElement GetPdfElement(blink::WebLocalFrame* frame) override;
+
+    bool IsPrintPreviewEnabled() override;
+
+    bool OverridePrint(blink::WebLocalFrame* frame) override;
+};  // class PrintWebViewHelperDelegateQt
+}
+
+#endif // PRINT_WEB_VIEW_HELPER_DELEGATE_QT_H
+