mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
138 lines
2.4 KiB
C++
138 lines
2.4 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_dom_workers_dombindingbase_h__
|
|
#define mozilla_dom_workers_dombindingbase_h__
|
|
|
|
#include "mozilla/dom/workers/Workers.h"
|
|
|
|
#include "nsISupportsImpl.h"
|
|
#include "nsWrapperCache.h"
|
|
#include "nsWrapperCacheInlines.h"
|
|
|
|
BEGIN_WORKERS_NAMESPACE
|
|
|
|
#define BINDING_ENSURE_TRUE(_cond, _result, _retval) \
|
|
PR_BEGIN_MACRO \
|
|
if (!(_cond)) { \
|
|
NS_WARNING("BINDING_ENSURE failed!"); \
|
|
aRv = _result; \
|
|
return _retval; \
|
|
} \
|
|
PR_END_MACRO
|
|
|
|
#define BINDING_ENSURE_SUCCESS(_cond, _result, _retval) \
|
|
BINDING_ENSURE_TRUE(NS_SUCCEEDED(_cond), _result, _retval)
|
|
|
|
class DOMBindingBase : public nsWrapperCache,
|
|
public nsISupports
|
|
{
|
|
JSContext* mJSContext;
|
|
|
|
protected:
|
|
DOMBindingBase(JSContext* aCx);
|
|
virtual ~DOMBindingBase();
|
|
|
|
virtual void
|
|
_trace(JSTracer* aTrc);
|
|
|
|
virtual void
|
|
_finalize(JSFreeOp* aFop);
|
|
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
|
|
JSContext*
|
|
GetJSContext() const;
|
|
|
|
void
|
|
TraceJSObject(JSTracer* aTrc, const char* aName)
|
|
{
|
|
if (GetJSObject()) {
|
|
TraceWrapperJSObject(aTrc, aName);
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
JSObject*
|
|
GetJSObject() const;
|
|
|
|
void
|
|
SetJSObject(JSObject* aObject);
|
|
#else
|
|
JSObject*
|
|
GetJSObject() const
|
|
{
|
|
return GetWrapperJSObject();
|
|
}
|
|
|
|
void
|
|
SetJSObject(JSObject* aObject)
|
|
{
|
|
SetWrapperJSObject(aObject);
|
|
}
|
|
#endif
|
|
};
|
|
|
|
template <class T>
|
|
class DOMBindingAnchor
|
|
{
|
|
T* mBinding;
|
|
JS::Anchor<JSObject*> mAnchor;
|
|
|
|
public:
|
|
DOMBindingAnchor()
|
|
: mBinding(nullptr)
|
|
{ }
|
|
|
|
DOMBindingAnchor(T* aBinding)
|
|
{
|
|
*this = aBinding;
|
|
}
|
|
|
|
DOMBindingAnchor&
|
|
operator=(T* aBinding)
|
|
{
|
|
mBinding = aBinding;
|
|
|
|
if (aBinding) {
|
|
JSObject* obj = aBinding->GetJSObject();
|
|
MOZ_ASSERT(obj);
|
|
|
|
mAnchor.set(obj);
|
|
}
|
|
else {
|
|
mAnchor.clear();
|
|
}
|
|
}
|
|
|
|
T*
|
|
get() const
|
|
{
|
|
return const_cast<T*>(mBinding);
|
|
}
|
|
|
|
T*
|
|
operator->() const
|
|
{
|
|
return get();
|
|
}
|
|
|
|
operator T*() const
|
|
{
|
|
return get();
|
|
}
|
|
|
|
private:
|
|
DOMBindingAnchor(const DOMBindingAnchor& aOther) MOZ_DELETE;
|
|
|
|
DOMBindingAnchor&
|
|
operator=(const DOMBindingAnchor& aOther) MOZ_DELETE;
|
|
};
|
|
|
|
END_WORKERS_NAMESPACE
|
|
|
|
#endif // mozilla_dom_workers_dombindingbase_h__
|