gecko-dev/dom/xbl/nsXBLEventHandler.h

118 строки
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsXBLEventHandler_h__
#define nsXBLEventHandler_h__
#include "mozilla/Attributes.h"
#include "nsCOMPtr.h"
#include "nsIDOMEventListener.h"
#include "nsTArray.h"
class nsIAtom;
class nsIDOMKeyEvent;
class nsXBLPrototypeHandler;
class nsXBLEventHandler : public nsIDOMEventListener
{
public:
nsXBLEventHandler(nsXBLPrototypeHandler* aHandler);
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
protected:
virtual ~nsXBLEventHandler();
nsXBLPrototypeHandler* mProtoHandler;
private:
nsXBLEventHandler();
virtual bool EventMatched(nsIDOMEvent* aEvent)
{
return true;
}
};
class nsXBLMouseEventHandler : public nsXBLEventHandler
{
public:
nsXBLMouseEventHandler(nsXBLPrototypeHandler* aHandler);
virtual ~nsXBLMouseEventHandler();
private:
bool EventMatched(nsIDOMEvent* aEvent) MOZ_OVERRIDE;
};
class nsXBLKeyEventHandler : public nsIDOMEventListener
{
public:
nsXBLKeyEventHandler(nsIAtom* aEventType, uint8_t aPhase, uint8_t aType);
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
void AddProtoHandler(nsXBLPrototypeHandler* aProtoHandler)
{
mProtoHandlers.AppendElement(aProtoHandler);
}
bool Matches(nsIAtom* aEventType, uint8_t aPhase, uint8_t aType) const
{
return (mEventType == aEventType && mPhase == aPhase && mType == aType);
}
void GetEventName(nsAString& aString) const
{
mEventType->ToString(aString);
}
uint8_t GetPhase() const
{
return mPhase;
}
uint8_t GetType() const
{
return mType;
}
void SetIsBoundToChrome(bool aIsBoundToChrome)
{
mIsBoundToChrome = aIsBoundToChrome;
}
void SetUsingContentXBLScope(bool aUsingContentXBLScope)
{
mUsingContentXBLScope = aUsingContentXBLScope;
}
private:
nsXBLKeyEventHandler();
virtual ~nsXBLKeyEventHandler();
bool ExecuteMatchedHandlers(nsIDOMKeyEvent* aEvent, uint32_t aCharCode,
bool aIgnoreShiftKey);
nsTArray<nsXBLPrototypeHandler*> mProtoHandlers;
nsCOMPtr<nsIAtom> mEventType;
uint8_t mPhase;
uint8_t mType;
bool mIsBoundToChrome;
bool mUsingContentXBLScope;
};
nsresult
NS_NewXBLEventHandler(nsXBLPrototypeHandler* aHandler,
nsIAtom* aEventType,
nsXBLEventHandler** aResult);
nsresult
NS_NewXBLKeyEventHandler(nsIAtom* aEventType, uint8_t aPhase,
uint8_t aType, nsXBLKeyEventHandler** aResult);
#endif