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https://gitlab.winehq.org/wine/wine-gecko.git
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4bfe3c39fd
Backed out changeset e2ab653f688a (bug 1008917) Backed out changeset b52154d8d900 (bug 1008917) Backed out changeset 2ab5b01da4de (bug 1008917) Backed out changeset f7a38df1d44f (bug 1008917) Backed out changeset 80304bb9a572 (bug 1008917) Backed out changeset 10ed89a302e9 (bug 1008917) Backed out changeset 161c41991d46 (bug 1008917) Backed out changeset 25b2475d2368 (bug 1008917) Backed out changeset b8000b31277c (bug 1008917) Backed out changeset 9afa5e7715e1 (bug 1008917) Backed out changeset 5c380c21351f (bug 1008917)
301 lines
11 KiB
C++
301 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsComboboxControlFrame_h___
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#define nsComboboxControlFrame_h___
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#ifdef DEBUG_evaughan
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//#define DEBUG_rods
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#endif
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#ifdef DEBUG_rods
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//#define DO_REFLOW_DEBUG
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//#define DO_REFLOW_COUNTER
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//#define DO_UNCONSTRAINED_CHECK
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//#define DO_PIXELS
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//#define DO_NEW_REFLOW
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#endif
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//Mark used to indicate when onchange has been fired for current combobox item
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#define NS_SKIP_NOTIFY_INDEX -2
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#include "mozilla/Attributes.h"
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#include "nsBlockFrame.h"
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#include "nsIFormControlFrame.h"
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#include "nsIComboboxControlFrame.h"
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#include "nsIAnonymousContentCreator.h"
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#include "nsISelectControlFrame.h"
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#include "nsIRollupListener.h"
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#include "nsIStatefulFrame.h"
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#include "nsThreadUtils.h"
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class nsStyleContext;
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class nsIListControlFrame;
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class nsComboboxDisplayFrame;
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class nsIDOMEventListener;
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class nsIScrollableFrame;
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class nsComboboxControlFrame : public nsBlockFrame,
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public nsIFormControlFrame,
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public nsIComboboxControlFrame,
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public nsIAnonymousContentCreator,
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public nsISelectControlFrame,
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public nsIRollupListener,
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public nsIStatefulFrame
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{
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public:
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friend nsIFrame* NS_NewComboboxControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, nsFrameState aFlags);
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friend class nsComboboxDisplayFrame;
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nsComboboxControlFrame(nsStyleContext* aContext);
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~nsComboboxControlFrame();
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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// nsIAnonymousContentCreator
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virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
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virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
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uint32_t aFilter) MOZ_OVERRIDE;
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virtual nsIFrame* CreateFrameFor(nsIContent* aContent) MOZ_OVERRIDE;
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#ifdef ACCESSIBILITY
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virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
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#endif
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virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
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virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
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virtual nsresult Reflow(nsPresContext* aCX,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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virtual nsresult HandleEvent(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus) MOZ_OVERRIDE;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE;
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void PaintFocus(nsRenderingContext& aRenderingContext, nsPoint aPt);
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// XXXbz this is only needed to prevent the quirk percent height stuff from
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// leaking out of the combobox. We may be able to get rid of this as more
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// things move to IsFrameOfType.
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virtual nsIAtom* GetType() const MOZ_OVERRIDE;
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virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
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{
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return nsBlockFrame::IsFrameOfType(aFlags &
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~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
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}
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virtual nsIScrollableFrame* GetScrollTargetFrame() MOZ_OVERRIDE {
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return do_QueryFrame(mDropdownFrame);
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}
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
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#endif
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virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
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virtual nsresult SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList) MOZ_OVERRIDE;
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virtual const nsFrameList& GetChildList(ChildListID aListID) const MOZ_OVERRIDE;
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virtual void GetChildLists(nsTArray<ChildList>* aLists) const MOZ_OVERRIDE;
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virtual nsIFrame* GetContentInsertionFrame() MOZ_OVERRIDE;
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// nsIFormControlFrame
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virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE;
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/**
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* Inform the control that it got (or lost) focus.
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* If it lost focus, the dropdown menu will be rolled up if needed,
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* and FireOnChange() will be called.
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* @param aOn true if got focus, false if lost focus.
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* @param aRepaint if true then force repaint (NOTE: we always force repaint currently)
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* @note This method might destroy |this|.
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*/
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virtual void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE;
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//nsIComboboxControlFrame
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virtual bool IsDroppedDown() MOZ_OVERRIDE { return mDroppedDown; }
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/**
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* @note This method might destroy |this|.
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*/
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virtual void ShowDropDown(bool aDoDropDown) MOZ_OVERRIDE;
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virtual nsIFrame* GetDropDown() MOZ_OVERRIDE;
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virtual void SetDropDown(nsIFrame* aDropDownFrame) MOZ_OVERRIDE;
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/**
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* @note This method might destroy |this|.
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*/
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virtual void RollupFromList() MOZ_OVERRIDE;
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/**
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* Return the available space above and below this frame for
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* placing the drop-down list, and the current 2D translation.
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* Note that either or both can be less than or equal to zero,
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* if both are then the drop-down should be closed.
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*/
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void GetAvailableDropdownSpace(nscoord* aAbove,
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nscoord* aBelow,
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nsPoint* aTranslation);
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virtual int32_t GetIndexOfDisplayArea() MOZ_OVERRIDE;
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/**
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* @note This method might destroy |this|.
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*/
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NS_IMETHOD RedisplaySelectedText() MOZ_OVERRIDE;
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virtual int32_t UpdateRecentIndex(int32_t aIndex) MOZ_OVERRIDE;
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virtual void OnContentReset() MOZ_OVERRIDE;
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// nsISelectControlFrame
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NS_IMETHOD AddOption(int32_t index) MOZ_OVERRIDE;
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NS_IMETHOD RemoveOption(int32_t index) MOZ_OVERRIDE;
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NS_IMETHOD DoneAddingChildren(bool aIsDone) MOZ_OVERRIDE;
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NS_IMETHOD OnOptionSelected(int32_t aIndex, bool aSelected) MOZ_OVERRIDE;
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NS_IMETHOD OnSetSelectedIndex(int32_t aOldIndex, int32_t aNewIndex) MOZ_OVERRIDE;
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//nsIRollupListener
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/**
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* Hide the dropdown menu and stop capturing mouse events.
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* @note This method might destroy |this|.
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*/
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virtual bool Rollup(uint32_t aCount, const nsIntPoint* pos, nsIContent** aLastRolledUp) MOZ_OVERRIDE;
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virtual void NotifyGeometryChange() MOZ_OVERRIDE;
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/**
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* A combobox should roll up if a mousewheel event happens outside of
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* the popup area.
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*/
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virtual bool ShouldRollupOnMouseWheelEvent() MOZ_OVERRIDE
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{ return true; }
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virtual bool ShouldConsumeOnMouseWheelEvent() MOZ_OVERRIDE
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{ return false; }
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/**
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* A combobox should not roll up if activated by a mouse activate message
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* (eg. X-mouse).
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*/
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virtual bool ShouldRollupOnMouseActivate() MOZ_OVERRIDE
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{ return false; }
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virtual uint32_t GetSubmenuWidgetChain(nsTArray<nsIWidget*> *aWidgetChain) MOZ_OVERRIDE
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{ return 0; }
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virtual nsIWidget* GetRollupWidget() MOZ_OVERRIDE;
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//nsIStatefulFrame
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NS_IMETHOD SaveState(nsPresState** aState) MOZ_OVERRIDE;
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NS_IMETHOD RestoreState(nsPresState* aState) MOZ_OVERRIDE;
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static bool ToolkitHasNativePopup();
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protected:
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friend class RedisplayTextEvent;
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friend class nsAsyncResize;
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friend class nsResizeDropdownAtFinalPosition;
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// Utilities
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nsresult ReflowDropdown(nsPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState);
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enum DropDownPositionState {
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// can't show the dropdown at its current position
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eDropDownPositionSuppressed,
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// a resize reflow is pending, don't show it yet
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eDropDownPositionPendingResize,
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// the dropdown has its final size and position and can be displayed here
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eDropDownPositionFinal
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};
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DropDownPositionState AbsolutelyPositionDropDown();
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// Helper for GetMinWidth/GetPrefWidth
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nscoord GetIntrinsicWidth(nsRenderingContext* aRenderingContext,
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nsLayoutUtils::IntrinsicWidthType aType);
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class RedisplayTextEvent : public nsRunnable {
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public:
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NS_DECL_NSIRUNNABLE
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RedisplayTextEvent(nsComboboxControlFrame *c) : mControlFrame(c) {}
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void Revoke() { mControlFrame = nullptr; }
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private:
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nsComboboxControlFrame *mControlFrame;
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};
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/**
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* Show or hide the dropdown list.
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* @note This method might destroy |this|.
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*/
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void ShowPopup(bool aShowPopup);
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/**
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* Show or hide the dropdown list.
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* @param aShowList true to show, false to hide the dropdown.
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* @note This method might destroy |this|.
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* @return false if this frame is destroyed, true if still alive.
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*/
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bool ShowList(bool aShowList);
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void CheckFireOnChange();
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void FireValueChangeEvent();
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nsresult RedisplayText(int32_t aIndex);
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void HandleRedisplayTextEvent();
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void ActuallyDisplayText(bool aNotify);
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private:
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// If our total transform to the root frame of the root document is only a 2d
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// translation then return that translation, otherwise returns (0,0).
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nsPoint GetCSSTransformTranslation();
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protected:
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nsFrameList mPopupFrames; // additional named child list
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nsCOMPtr<nsIContent> mDisplayContent; // Anonymous content used to display the current selection
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nsCOMPtr<nsIContent> mButtonContent; // Anonymous content for the button
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nsIFrame* mDisplayFrame; // frame to display selection
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nsIFrame* mButtonFrame; // button frame
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nsIFrame* mDropdownFrame; // dropdown list frame
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nsIListControlFrame * mListControlFrame; // ListControl Interface for the dropdown frame
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// The width of our display area. Used by that frame's reflow to
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// size to the full width except the drop-marker.
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nscoord mDisplayWidth;
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nsRevocableEventPtr<RedisplayTextEvent> mRedisplayTextEvent;
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int32_t mRecentSelectedIndex;
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int32_t mDisplayedIndex;
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nsString mDisplayedOptionText;
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// make someone to listen to the button. If its programmatically pressed by someone like Accessibility
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// then open or close the combo box.
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nsCOMPtr<nsIDOMEventListener> mButtonListener;
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// The last y-positions used for estimating available space above and
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// below for the dropdown list in GetAvailableDropdownSpace. These are
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// reset to nscoord_MIN in AbsolutelyPositionDropDown when placing the
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// dropdown at its actual position. The GetAvailableDropdownSpace call
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// from nsListControlFrame::ReflowAsDropdown use the last position.
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nscoord mLastDropDownAboveScreenY;
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nscoord mLastDropDownBelowScreenY;
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// Current state of the dropdown list, true is dropped down.
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bool mDroppedDown;
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// See comment in HandleRedisplayTextEvent().
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bool mInRedisplayText;
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// Acting on ShowDropDown(true) is delayed until we're focused.
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bool mDelayedShowDropDown;
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// static class data member for Bug 32920
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// only one control can be focused at a time
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static nsComboboxControlFrame* sFocused;
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#ifdef DO_REFLOW_COUNTER
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int32_t mReflowId;
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#endif
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};
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#endif
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