Enable Widevine CDM

Enable loading Google Chrome's Widevine pepper plugin.

Flash and Widevine plugins will now also be searched for in
the plugins/ppapi directory.

Task-number: QTBUG-50132
Change-Id: I28fb56bb08d7e81629e34420be626621a7981181
Reviewed-by: Michael Brüning <michael.bruning@theqtcompany.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/src/core/browser_message_filter_qt.cpp b/src/core/browser_message_filter_qt.cpp
new file mode 100644
index 000000000..a91e41faa
--- /dev/null
+++ b/src/core/browser_message_filter_qt.cpp
@@ -0,0 +1,90 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "browser_message_filter_qt.h"
+
+#include "common/qt_messages.h"
+#include "content/public/browser/plugin_service.h"
+#include "type_conversion.h"
+
+namespace QtWebEngineCore {
+
+BrowserMessageFilterQt::BrowserMessageFilterQt(int /*render_process_id*/)
+    : BrowserMessageFilter(QtMsgStart)
+{
+}
+
+bool BrowserMessageFilterQt::OnMessageReceived(const IPC::Message& message)
+{
+    IPC_BEGIN_MESSAGE_MAP(BrowserMessageFilterQt, message)
+#if defined(ENABLE_PEPPER_CDMS)
+        IPC_MESSAGE_HANDLER(
+            QtWebEngineHostMsg_IsInternalPluginAvailableForMimeType,
+            OnIsInternalPluginAvailableForMimeType)
+#endif
+        IPC_MESSAGE_UNHANDLED(return false)
+    IPC_END_MESSAGE_MAP()
+    return true;
+}
+
+#if defined(ENABLE_PEPPER_CDMS)
+void BrowserMessageFilterQt::OnIsInternalPluginAvailableForMimeType(
+    const std::string& mime_type, bool* is_available,
+    std::vector<base::string16>* additional_param_names,
+    std::vector<base::string16>* additional_param_values)
+{
+    std::vector<content::WebPluginInfo> plugins;
+    content::PluginService::GetInstance()->GetInternalPlugins(&plugins);
+
+    for (size_t i = 0; i < plugins.size(); ++i) {
+        const content::WebPluginInfo& plugin = plugins[i];
+        const std::vector<content::WebPluginMimeType>& mime_types = plugin.mime_types;
+        for (size_t j = 0; j < mime_types.size(); ++j) {
+            if (mime_types[j].mime_type == mime_type) {
+                *is_available = true;
+                *additional_param_names = mime_types[j].additional_param_names;
+                *additional_param_values = mime_types[j].additional_param_values;
+                return;
+            }
+        }
+    }
+
+    *is_available = false;
+}
+
+#endif // defined(ENABLE_PEPPER_CDMS)
+
+} // namespace QtWebEngineCore