mirror of
https://github.com/mozilla/gecko-dev.git
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c543ccf234
now it changes it value before the DOM call (script) and then if the event is cancelled it sets the value back (which doesn't happen very often) r=pollmann,jst sr=buster b=57137,57239,58460
148 lines
5.6 KiB
C++
148 lines
5.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsGfxCheckboxControlFrame_h___
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#define nsGfxCheckboxControlFrame_h___
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#include "nsFormControlFrame.h"
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#include "nsIStatefulFrame.h"
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#include "nsICheckboxControlFrame.h"
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#define NS_GFX_CHECKBOX_CONTROL_FRAME_FACE_CONTEXT_INDEX 0 // for additional style contexts
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#define NS_GFX_CHECKBOX_CONTROL_FRAME_LAST_CONTEXT_INDEX 0
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class nsGfxCheckboxControlFrame : public nsFormControlFrame,
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public nsIStatefulFrame,
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public nsICheckboxControlFrame
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{
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public:
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nsGfxCheckboxControlFrame();
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virtual ~nsGfxCheckboxControlFrame();
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsString& aResult) const {
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return MakeFrameName("CheckboxControl", aResult);
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}
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#endif
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// this should be protected, but VC6 is lame.
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enum CheckState { eOff, eOn, eMixed } ;
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NS_IMETHOD Init(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aContext,
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nsIFrame* aPrevInFlow) ;
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NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aHint) ;
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NS_IMETHOD Paint(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer);
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//nsICheckboxControlFrame methods
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NS_IMETHOD SetCheckboxFaceStyleContext(nsIStyleContext *aCheckboxFaceStyleContext);
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void InitializeControl(nsIPresContext* aPresContext);
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NS_IMETHOD GetAdditionalStyleContext(PRInt32 aIndex,
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nsIStyleContext** aStyleContext) const;
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NS_IMETHOD SetAdditionalStyleContext(PRInt32 aIndex,
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nsIStyleContext* aStyleContext);
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// nsIFormControlFrame
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NS_IMETHOD SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsAReadableString& aValue);
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NS_IMETHOD GetProperty(nsIAtom* aName, nsAWritableString& aValue);
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virtual void Reset(nsIPresContext* aPresContext);
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virtual PRInt32 GetMaxNumValues();
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virtual PRBool GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames);
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// nsIStatefulFrame
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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NS_IMETHOD GetStateType(nsIPresContext* aPresContext, nsIStatefulFrame::StateType* aStateType);
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NS_IMETHOD SaveState(nsIPresContext* aPresContext, nsIPresState** aState);
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NS_IMETHOD RestoreState(nsIPresContext* aPresContext, nsIPresState* aState);
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#ifdef DEBUG_rodsXXX
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NS_IMETHOD Reflow(nsIPresContext* aCX,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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#endif
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protected:
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// native/gfx implementations need to implement needs.
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CheckState GetCheckboxState();
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void SetCheckboxState(nsIPresContext* aPresContext, CheckState aValue);
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// Utility methods for implementing SetProperty/GetProperty
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void SetCheckboxControlFrameState(nsIPresContext* aPresContext,
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const nsAReadableString& aValue);
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void GetCheckboxControlFrameState(nsAWritableString& aValue);
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// utility routine for converting from DOM values to internal enum
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void CheckStateToString ( CheckState inState, nsAWritableString& outStateAsString ) ;
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CheckState StringToCheckState ( const nsAReadableString & aStateAsString ) ;
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// figure out if we're a tri-state checkbox.
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PRBool IsTristateCheckbox ( ) const { return mIsTristate; }
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// we just became a tri-state, or we just lost tri-state status. fix up
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// the attributes for the new mode.
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void SwitchModesWithEmergencyBrake ( nsIPresContext* aPresContext,
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PRBool inIsNowTristate ) ;
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// for tri-state checkbox. meaningless for normal HTML
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PRBool mIsTristate;
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static nsIAtom* GetTristateAtom() ;
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static nsIAtom* GetTristateValueAtom() ;
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protected:
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virtual void PaintCheckBox(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer);
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virtual void PaintMixedMark(nsIRenderingContext& aRenderingContext,
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float aPixelsToTwips, const nsRect& aRect) ;
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//GFX-rendered state variables
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PRBool mInClickEvent;
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CheckState mChecked;
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nsIStyleContext* mCheckButtonFaceStyle;
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private:
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NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }
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NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; }
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};
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#endif
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