/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of the QtWebEngine module of the Qt Toolkit.
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** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
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#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)
{
}

// The following is based on chrome/browser/plugins/plugin_info_message_filter.cc:
// 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.

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