mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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221 lines
9.0 KiB
C++
221 lines
9.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIEventStateManager_h__
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#define nsIEventStateManager_h__
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#include "nsEvent.h"
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#include "nsISupports.h"
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class nsIContent;
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class nsIDocument;
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class nsPresContext;
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class nsIDOMEvent;
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class nsIFrame;
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class nsIView;
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class nsIWidget;
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class imgIContainer;
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/*
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* Event state manager interface.
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*/
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// {92EDD580-062E-4471-ADEB-68329B0EC2E4}
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#define NS_IEVENTSTATEMANAGER_IID \
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{ 0x92edd580, 0x062e, 0x4471, \
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{ 0xad, 0xeb, 0x68, 0x32, 0x9b, 0x0e, 0xc2, 0xe4 } }
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#define NS_EVENT_NEEDS_FRAME(event) (!NS_IS_ACTIVATION_EVENT(event))
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class nsIEventStateManager : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IEVENTSTATEMANAGER_IID)
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NS_IMETHOD Init() = 0;
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NS_IMETHOD PreHandleEvent(nsPresContext* aPresContext,
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nsEvent *aEvent,
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nsIFrame* aTargetFrame,
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nsEventStatus* aStatus,
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nsIView* aView) = 0;
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NS_IMETHOD PostHandleEvent(nsPresContext* aPresContext,
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nsEvent *aEvent,
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nsIFrame* aTargetFrame,
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nsEventStatus* aStatus,
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nsIView* aView) = 0;
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NS_IMETHOD SetPresContext(nsPresContext* aPresContext) = 0;
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NS_IMETHOD ClearFrameRefs(nsIFrame* aFrame) = 0;
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NS_IMETHOD GetEventTarget(nsIFrame **aFrame) = 0;
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NS_IMETHOD GetEventTargetContent(nsEvent* aEvent, nsIContent** aContent) = 0;
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/**
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* Returns the content state of aContent.
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* @param aContent The control whose state is requested.
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* @param aFollowLabels Whether to reflect a label's content state on its
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* associated control. If aFollowLabels is true and
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* aContent is a control which has a label that has the
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* hover or active content state set, GetContentState
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* will pretend that those states are also set on aContent.
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* @return The content state.
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*/
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virtual PRInt32 GetContentState(nsIContent *aContent,
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PRBool aFollowLabels = PR_FALSE) = 0;
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/**
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* Notify that the given NS_EVENT_STATE_* bit has changed for this content.
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* @param aContent Content which has changed states
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* @param aState Corresponding state flags such as NS_EVENT_STATE_FOCUS
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* defined in the nsIEventStateManager interface
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* @return Whether the content was able to change all states. Returns PR_FALSE
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* if a resulting DOM event causes the content node passed in
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* to not change states. Note, the frame for the content may
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* change as a result of the content state change, because of
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* frame reconstructions that may occur, but this does not
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* affect the return value.
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*/
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virtual PRBool SetContentState(nsIContent *aContent, PRInt32 aState) = 0;
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NS_IMETHOD ContentRemoved(nsIDocument* aDocument, nsIContent* aContent) = 0;
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NS_IMETHOD EventStatusOK(nsGUIEvent* aEvent, PRBool *aOK) = 0;
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// Access Key Registration
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/**
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* Register accesskey on the given element. When accesskey is activated then
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* the element will be notified via nsIContent::PerformAccesskey() method.
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*
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* @param aContent the given element
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* @param aKey accesskey
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*/
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NS_IMETHOD RegisterAccessKey(nsIContent* aContent, PRUint32 aKey) = 0;
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/**
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* Unregister accesskey for the given element.
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*
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* @param aContent the given element
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* @param aKey accesskey
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*/
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NS_IMETHOD UnregisterAccessKey(nsIContent* aContent, PRUint32 aKey) = 0;
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/**
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* Get accesskey registered on the given element or 0 if there is none.
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*
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* @param aContent the given element
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* @param aKey registered accesskey
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* @return NS_OK
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*/
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NS_IMETHOD GetRegisteredAccessKey(nsIContent* aContent, PRUint32* aKey) = 0;
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NS_IMETHOD SetCursor(PRInt32 aCursor, imgIContainer* aContainer,
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PRBool aHaveHotspot, float aHotspotX, float aHotspotY,
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nsIWidget* aWidget, PRBool aLockCursor) = 0;
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NS_IMETHOD NotifyDestroyPresContext(nsPresContext* aPresContext) = 0;
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/**
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* Returns true if the current code is being executed as a result of user input.
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* This includes timers or anything else that is initiated from user input.
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* However, mouse hover events are not counted as user input, nor are
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* page load events. If this method is called from asynchronously executed code,
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* such as during layout reflows, it will return false.
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*/
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NS_IMETHOD_(PRBool) IsHandlingUserInputExternal() = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIEventStateManager, NS_IEVENTSTATEMANAGER_IID)
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#define NS_EVENT_STATE_ACTIVE (1 << 0) // mouse is down on content
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#define NS_EVENT_STATE_FOCUS (1 << 1) // content has focus
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#define NS_EVENT_STATE_HOVER (1 << 2) // mouse is hovering over content
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#define NS_EVENT_STATE_DRAGOVER (1 << 3) // drag is hovering over content
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#define NS_EVENT_STATE_URLTARGET (1 << 4) // content is URL's target (ref)
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// The following states are used only for ContentStatesChanged
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#define NS_EVENT_STATE_CHECKED (1 << 5) // CSS3-Selectors
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#define NS_EVENT_STATE_ENABLED (1 << 6) // CSS3-Selectors
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#define NS_EVENT_STATE_DISABLED (1 << 7) // CSS3-Selectors
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#define NS_EVENT_STATE_REQUIRED (1 << 8) // CSS3-UI
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#define NS_EVENT_STATE_OPTIONAL (1 << 9) // CSS3-UI
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#define NS_EVENT_STATE_VISITED (1 << 10) // CSS2
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#define NS_EVENT_STATE_UNVISITED (1 << 11)
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#define NS_EVENT_STATE_VALID (1 << 12) // CSS3-UI
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#define NS_EVENT_STATE_INVALID (1 << 13) // CSS3-UI
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#define NS_EVENT_STATE_INRANGE (1 << 14) // CSS3-UI
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#define NS_EVENT_STATE_OUTOFRANGE (1 << 15) // CSS3-UI
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// these two are temporary (see bug 302188)
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#define NS_EVENT_STATE_MOZ_READONLY (1 << 16) // CSS3-UI
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#define NS_EVENT_STATE_MOZ_READWRITE (1 << 17) // CSS3-UI
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#define NS_EVENT_STATE_DEFAULT (1 << 18) // CSS3-UI
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// Content could not be rendered (image/object/etc).
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#define NS_EVENT_STATE_BROKEN (1 << 19)
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// Content disabled by the user (images turned off, say)
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#define NS_EVENT_STATE_USERDISABLED (1 << 20)
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// Content suppressed by the user (ad blocking, etc)
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#define NS_EVENT_STATE_SUPPRESSED (1 << 21)
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// Content is still loading such that there is nothing to show the
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// user (eg an image which hasn't started coming in yet)
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#define NS_EVENT_STATE_LOADING (1 << 22)
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// Content is of a type that gecko can't handle
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#define NS_EVENT_STATE_TYPE_UNSUPPORTED \
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(1 << 23)
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#ifdef MOZ_MATHML
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#define NS_EVENT_STATE_INCREMENT_SCRIPT_LEVEL \
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(1 << 24)
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#endif
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// Handler for the content has been blocked
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#define NS_EVENT_STATE_HANDLER_BLOCKED \
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(1 << 25)
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// Handler for the content has been disabled
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#define NS_EVENT_STATE_HANDLER_DISABLED \
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(1 << 26)
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#define NS_EVENT_STATE_INDETERMINATE (1 << 27) // CSS3-Selectors
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// Handler for the content has crashed
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#define NS_EVENT_STATE_HANDLER_CRASHED \
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(1 << 28)
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// content has focus and should show a ring
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#define NS_EVENT_STATE_FOCUSRING (1 << 29)
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#endif // nsIEventStateManager_h__
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