/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ #ifndef nsComboboxControlFrame_h___ #define nsComboboxControlFrame_h___ #include "nsAreaFrame.h" #include "nsIFormControlFrame.h" #include "nsIComboboxControlFrame.h" #include "nsIDOMMouseListener.h" #include "nsVoidArray.h" #include "nsIAnonymousContentCreator.h" #include "nsISelectControlFrame.h" #include "nsIStatefulFrame.h" #include "nsIRollupListener.h" class nsButtonControlFrame; class nsTextControlFrame; class nsFormFrame; class nsIView; class nsStyleContext; class nsIHTMLContent; class nsIListControlFrame; /** * Child list name indices * @see #GetAdditionalChildListName() */ #define NS_COMBO_FRAME_POPUP_LIST_INDEX (NS_AREA_FRAME_ABSOLUTE_LIST_INDEX + 1) class nsComboboxControlFrame : public nsAreaFrame, public nsIFormControlFrame, public nsIComboboxControlFrame, public nsIDOMMouseListener, public nsIAnonymousContentCreator, public nsISelectControlFrame, public nsIStatefulFrame, public nsIRollupListener { public: nsComboboxControlFrame(); ~nsComboboxControlFrame(); // nsISupports NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr); // nsIAnonymousContentCreator NS_IMETHOD CreateAnonymousContent(nsISupportsArray& aChildList); // nsIFrame NS_IMETHOD Init(nsIPresContext& aPresContext, nsIContent* aContent, nsIFrame* aParent, nsIStyleContext* aContext, nsIFrame* aPrevInFlow); NS_IMETHOD Reflow(nsIPresContext& aCX, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus); NS_IMETHOD HandleEvent(nsIPresContext& aPresContext, nsGUIEvent* aEvent, nsEventStatus& aEventStatus); #ifdef NS_DEBUG NS_IMETHOD GetFrameName(nsString& aResult) const; #endif NS_IMETHOD Destroy(nsIPresContext& aPresContext); NS_IMETHOD FirstChild(nsIAtom* aListName, nsIFrame** aFirstChild) const; NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext, nsIAtom* aListName, nsIFrame* aChildList); NS_IMETHOD GetAdditionalChildListName(PRInt32 aIndex, nsIAtom** aListName) const; NS_IMETHOD GetFrameForPoint(nsIPresContext* aPresContext, const nsPoint& aPoint, nsIFrame** aFrame); // nsIFormControlFrame NS_IMETHOD SetSuggestedSize(nscoord aWidth, nscoord aHeight); NS_IMETHOD GetName(nsString* aName); NS_IMETHOD GetType(PRInt32* aType) const; NS_IMETHOD SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsString& aValue); NS_IMETHOD GetProperty(nsIAtom* aName, nsString& aValue); void SetFocus(PRBool aOn, PRBool aRepaint); void ScrollIntoView(nsIPresContext* aPresContext); virtual void PostCreateWidget(nsIPresContext* aPresContext, nscoord& aWidth, nscoord& aHeight); virtual PRBool IsSuccessful(nsIFormControlFrame* aSubmitter); virtual void SetFormFrame(nsFormFrame* aFormFrame) { mFormFrame = aFormFrame; } virtual void Reset(nsIPresContext* aPresContext); virtual PRInt32 GetMaxNumValues(); virtual PRBool GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues, nsString* aValues, nsString* aNames); NS_IMETHOD GetFont(nsIPresContext* aPresContext, nsFont& aFont); NS_IMETHOD GetFormContent(nsIContent*& aContent) const; virtual nscoord GetVerticalBorderWidth(float aPixToTwip) const; virtual nscoord GetHorizontalBorderWidth(float aPixToTwip) const; virtual nscoord GetVerticalInsidePadding(nsIPresContext& aPresContext, float aPixToTwip, nscoord aInnerHeight) const; virtual nscoord GetHorizontalInsidePadding(nsIPresContext& aPresContext, float aPixToTwip, nscoord aInnerWidth, nscoord aCharWidth) const; virtual nsresult RequiresWidget(PRBool &aRequiresWidget); NS_IMETHOD SelectionChanged();// Called when the selection has changed. // If the the same item in the list is selected // it is NOT called. // nsIFormMouseListener virtual void MouseClicked(nsIPresContext* aPresContext); //nsIComboboxControlFrame NS_IMETHOD IsDroppedDown(PRBool * aDoDropDown) { *aDoDropDown = mDroppedDown; return NS_OK; } NS_IMETHOD ShowDropDown(PRBool aDoDropDown); NS_IMETHOD GetDropDown(nsIFrame** aDropDownFrame); NS_IMETHOD SetDropDown(nsIFrame* aDropDownFrame); NS_IMETHOD ListWasSelected(nsIPresContext* aPresContext); NS_IMETHOD UpdateSelection(PRBool aDoDispatchEvent, PRBool aForceUpdate, PRInt32 aNewIndex); NS_IMETHOD AbsolutelyPositionDropDown(); NS_IMETHOD GetAbsoluteRect(nsRect* aRect); // nsISelectControlFrame NS_IMETHOD AddOption(nsIPresContext* aPresContext, PRInt32 index); NS_IMETHOD RemoveOption(nsIPresContext* aPresContext, PRInt32 index); NS_IMETHOD SetOptionSelected(PRInt32 aIndex, PRBool aValue); NS_IMETHOD GetOptionSelected(PRInt32 aIndex, PRBool* aValue); //nsIDOMEventListener virtual nsresult MouseDown(nsIDOMEvent* aMouseEvent); virtual nsresult MouseUp(nsIDOMEvent* aMouseEvent) { return NS_OK; } virtual nsresult MouseClick(nsIDOMEvent* aMouseEvent) { return NS_OK; } virtual nsresult MouseDblClick(nsIDOMEvent* aMouseEvent) { return NS_OK; } virtual nsresult MouseOver(nsIDOMEvent* aMouseEvent) { return NS_OK; } virtual nsresult MouseOut(nsIDOMEvent* aMouseEvent) { return NS_OK; } virtual nsresult HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; } //nsIStatefulFrame NS_IMETHOD GetStateType(nsIPresContext* aPresContext, nsIStatefulFrame::StateType* aStateType); NS_IMETHOD SaveState(nsIPresContext* aPresContext, nsISupports** aState); NS_IMETHOD RestoreState(nsIPresContext* aPresContext, nsISupports* aState); //nsIRollupListener NS_IMETHOD Rollup(); protected: // nsHTMLContainerFrame virtual PRIntn GetSkipSides() const; // Utilities nsresult ReflowComboChildFrame(nsIFrame* aFrame, nsIPresContext& aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus, nscoord aAvailableWidth, nscoord aAvailableHeight); nsresult GetScreenHeight(nsIPresContext& aPresContext, nscoord& aHeight); public: nsresult PositionDropdown(nsIPresContext& aPresContext, nscoord aHeight, nsRect aAbsoluteTwipsRect, nsRect aAbsolutePixelRect); nsresult GetAbsoluteFramePosition(nsIPresContext& aPresContext, nsIFrame *aFrame, nsRect& aAbsoluteTwipsRect, nsRect& aAbsolutePixelRect); nsIFrame* GetDisplayFrame(nsIPresContext& aPresContext); protected: void ShowPopup(PRBool aShowPopup); void ShowList(nsIPresContext* aPresContext, PRBool aShowList); void SetChildFrameSize(nsIFrame* aFrame, nscoord aWidth, nscoord aHeight); void InitTextStr(nsIPresContext* aPresContext, PRBool aUpdate); nsresult GetPrimaryComboFrame(nsIPresContext& aPresContext, nsIContent* aContent, nsIFrame** aFrame); nsIFrame* GetButtonFrame(nsIPresContext& aPresContext); nsIFrame* GetDropdownFrame(); NS_IMETHOD ToggleList(nsIPresContext* aPresContext); nsresult MakeSureSomethingIsSelected(nsIPresContext* aPresContext); // Default to option 0 nsFrameList mPopupFrames; // additional named child list nsIPresContext* mPresContext; // XXX: Remove the need to cache the pres context. nsFormFrame* mFormFrame; // Parent Form Frame nsString mTextStr; // Current Combo box selection PRInt32 mSelectedIndex; // current selected index nsIHTMLContent* mDisplayContent; // Anonymous content used to display the current selection nsIHTMLContent* mButtonContent; // Anonymous content used to popup the dropdown list PRBool mDroppedDown; // Current state of the dropdown list, PR_TRUE is dropped down nsIFrame* mDisplayFrame; // frame to display selection nsIFrame* mButtonFrame; // button frame nsIFrame* mDropdownFrame; // dropdown list frame nsIListControlFrame * mListControlFrame; // ListControl Interface for the dropdown frame PRBool mIgnoreFocus; // Tells the combo to ignore all focus notifications private: NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; } NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; } }; #endif