gecko-dev/layout/base/nsIPresState.h

40 строки
1.2 KiB
C++

#ifndef _nsIPresState_h
#define _nsIPresState_h
#include "nsISupports.h"
#include "nsString.h"
// {98DABCE1-C9D7-11d3-BF87-00105A1B0627}
#define NS_IPRESSTATE_IID \
{ 0x98dabce1, 0xc9d7, 0x11d3, { 0xbf, 0x87, 0x0, 0x10, 0x5a, 0x1b, 0x6, 0x27 } }
class nsIPresState : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IPRESSTATE_IID)
NS_IMETHOD GetStatePropertyAsSupports(const nsAString& aName,
nsISupports** aResult) = 0;
NS_IMETHOD SetStatePropertyAsSupports(const nsAString& aName,
nsISupports* aValue) = 0;
/**
* Get the current value of a property.
*
* @param aName the name of the property.
* @param aResult the value (may legitimately be the empty string) [OUT]
* @throws NS_STATE_PROPERTY_NOT_THERE if the property is not set
* @throws NS_STATE_PROPERTY_EXISTS if the attribute exists (==NS_OK)
*/
NS_IMETHOD GetStateProperty(const nsAString& aName,
nsAString& aResult) = 0;
NS_IMETHOD SetStateProperty(const nsAString& aProperty,
const nsAString& aValue) = 0;
NS_IMETHOD RemoveStateProperty(const nsAString& aName) = 0;
};
nsresult
NS_NewPresState(nsIPresState** aResult);
#endif /* _nsIPresState_h */