gecko-dev/dom/plugins/PluginIdentifierChild.h

141 lines
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et :
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Plugins.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ben Turner <bent.mozilla@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef dom_plugins_PluginIdentifierChild_h
#define dom_plugins_PluginIdentifierChild_h
#include "mozilla/plugins/PPluginIdentifierChild.h"
#include "mozilla/plugins/PluginModuleChild.h"
#include "nsStringGlue.h"
namespace mozilla {
namespace plugins {
class PluginIdentifierChild : public PPluginIdentifierChild
{
friend class PluginModuleChild;
public:
bool IsString()
{
return reinterpret_cast<intptr_t>(mCanonicalIdentifier) & 1;
}
NPIdentifier ToNPIdentifier()
{
return reinterpret_cast<PluginIdentifierChild*>(
reinterpret_cast<intptr_t>(mCanonicalIdentifier) & ~1);
}
protected:
PluginIdentifierChild(bool aIsString)
: ALLOW_THIS_IN_INITIALIZER_LIST(mCanonicalIdentifier(this))
{
MOZ_COUNT_CTOR(PluginIdentifierChild);
if (aIsString) {
SetIsString();
}
}
virtual ~PluginIdentifierChild()
{
MOZ_COUNT_DTOR(PluginIdentifierChild);
}
void SetCanonicalIdentifier(PluginIdentifierChild* aIdentifier)
{
NS_ASSERTION(ToNPIdentifier() == this, "Already got one!");
bool isString = IsString();
mCanonicalIdentifier = aIdentifier;
if (isString) {
SetIsString();
}
}
private:
void SetIsString()
{
mCanonicalIdentifier = reinterpret_cast<PluginIdentifierChild*>(
reinterpret_cast<intptr_t>(mCanonicalIdentifier) | 1);
}
PluginIdentifierChild* mCanonicalIdentifier;
};
class PluginIdentifierChildString : public PluginIdentifierChild
{
friend class PluginModuleChild;
public:
NPUTF8* ToString()
{
return ToNewCString(mString);
}
protected:
PluginIdentifierChildString(const nsCString& aString)
: PluginIdentifierChild(true),
mString(aString)
{ }
nsCString mString;
};
class PluginIdentifierChildInt : public PluginIdentifierChild
{
friend class PluginModuleChild;
public:
int32_t ToInt()
{
return mInt;
}
protected:
PluginIdentifierChildInt(int32_t aInt)
: PluginIdentifierChild(false),
mInt(aInt)
{ }
int32_t mInt;
};
} // namespace plugins
} // namespace mozilla
#endif // dom_plugins_PluginIdentifierChild_h