зеркало из https://github.com/mozilla/gecko-dev.git
311 строки
11 KiB
C++
311 строки
11 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 nsTextControlFrame_h___
|
|
#define nsTextControlFrame_h___
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsContainerFrame.h"
|
|
#include "nsIAnonymousContentCreator.h"
|
|
#include "nsITextControlFrame.h"
|
|
#include "nsITextControlElement.h"
|
|
#include "nsIStatefulFrame.h"
|
|
|
|
class nsISelectionController;
|
|
class EditorInitializerEntryTracker;
|
|
class nsTextEditorState;
|
|
class nsIEditor;
|
|
namespace mozilla {
|
|
namespace dom {
|
|
class Element;
|
|
}
|
|
}
|
|
|
|
class nsTextControlFrame : public nsContainerFrame,
|
|
public nsIAnonymousContentCreator,
|
|
public nsITextControlFrame,
|
|
public nsIStatefulFrame
|
|
{
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
NS_DECLARE_FRAME_PROPERTY(ContentScrollPos, DestroyPoint)
|
|
|
|
nsTextControlFrame(nsIPresShell* aShell, nsStyleContext* aContext);
|
|
virtual ~nsTextControlFrame();
|
|
|
|
virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
|
|
|
|
virtual nsIScrollableFrame* GetScrollTargetFrame() MOZ_OVERRIDE {
|
|
return do_QueryFrame(GetFirstPrincipalChild());
|
|
}
|
|
|
|
virtual nscoord GetMinWidth(nsRenderingContext* aRenderingContext) MOZ_OVERRIDE;
|
|
virtual nscoord GetPrefWidth(nsRenderingContext* aRenderingContext) MOZ_OVERRIDE;
|
|
|
|
virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder,
|
|
nsSize aPadding, bool aShrinkWrap) MOZ_OVERRIDE;
|
|
|
|
virtual void Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus) MOZ_OVERRIDE;
|
|
|
|
virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
|
|
virtual bool IsCollapsed() MOZ_OVERRIDE;
|
|
|
|
virtual bool IsLeaf() const MOZ_OVERRIDE;
|
|
|
|
#ifdef ACCESSIBILITY
|
|
virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
|
|
#endif
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
|
|
{
|
|
aResult.AssignLiteral("nsTextControlFrame");
|
|
return NS_OK;
|
|
}
|
|
#endif
|
|
|
|
virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
|
|
{
|
|
// nsStackFrame is already both of these, but that's somewhat bogus,
|
|
// and we really mean it.
|
|
return nsContainerFrame::IsFrameOfType(aFlags &
|
|
~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
|
|
}
|
|
|
|
// nsIAnonymousContentCreator
|
|
virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
|
|
virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
|
|
uint32_t aFilter) MOZ_OVERRIDE;
|
|
|
|
virtual void SetInitialChildList(ChildListID aListID,
|
|
nsFrameList& aChildList) MOZ_OVERRIDE;
|
|
|
|
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
|
|
|
|
virtual mozilla::dom::Element* GetPseudoElement(nsCSSPseudoElements::Type aType) MOZ_OVERRIDE;
|
|
|
|
//==== BEGIN NSIFORMCONTROLFRAME
|
|
virtual void SetFocus(bool aOn , bool aRepaint) MOZ_OVERRIDE;
|
|
virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE;
|
|
|
|
//==== END NSIFORMCONTROLFRAME
|
|
|
|
//==== NSITEXTCONTROLFRAME
|
|
|
|
NS_IMETHOD GetEditor(nsIEditor **aEditor) MOZ_OVERRIDE;
|
|
NS_IMETHOD SetSelectionStart(int32_t aSelectionStart) MOZ_OVERRIDE;
|
|
NS_IMETHOD SetSelectionEnd(int32_t aSelectionEnd) MOZ_OVERRIDE;
|
|
NS_IMETHOD SetSelectionRange(int32_t aSelectionStart,
|
|
int32_t aSelectionEnd,
|
|
SelectionDirection aDirection = eNone) MOZ_OVERRIDE;
|
|
NS_IMETHOD GetSelectionRange(int32_t* aSelectionStart,
|
|
int32_t* aSelectionEnd,
|
|
SelectionDirection* aDirection = nullptr) MOZ_OVERRIDE;
|
|
NS_IMETHOD GetOwnedSelectionController(nsISelectionController** aSelCon) MOZ_OVERRIDE;
|
|
virtual nsFrameSelection* GetOwnedFrameSelection() MOZ_OVERRIDE;
|
|
|
|
nsresult GetPhonetic(nsAString& aPhonetic) MOZ_OVERRIDE;
|
|
|
|
/**
|
|
* Ensure mEditor is initialized with the proper flags and the default value.
|
|
* @throws NS_ERROR_NOT_INITIALIZED if mEditor has not been created
|
|
* @throws various and sundry other things
|
|
*/
|
|
virtual nsresult EnsureEditorInitialized() MOZ_OVERRIDE;
|
|
|
|
//==== END NSITEXTCONTROLFRAME
|
|
|
|
//==== NSISTATEFULFRAME
|
|
|
|
NS_IMETHOD SaveState(nsPresState** aState) MOZ_OVERRIDE;
|
|
NS_IMETHOD RestoreState(nsPresState* aState) MOZ_OVERRIDE;
|
|
|
|
//=== END NSISTATEFULFRAME
|
|
|
|
//==== OVERLOAD of nsIFrame
|
|
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
|
|
|
|
/** handler for attribute changes to mContent */
|
|
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType) MOZ_OVERRIDE;
|
|
|
|
nsresult GetText(nsString& aText);
|
|
|
|
virtual nsresult PeekOffset(nsPeekOffsetStruct *aPos) MOZ_OVERRIDE;
|
|
|
|
NS_DECL_QUERYFRAME
|
|
|
|
// Temp reference to scriptrunner
|
|
// We could make these auto-Revoking via the "delete" entry for safety
|
|
NS_DECLARE_FRAME_PROPERTY(TextControlInitializer, nullptr)
|
|
|
|
protected:
|
|
/**
|
|
* Launch the reflow on the child frames - see nsTextControlFrame::Reflow()
|
|
*/
|
|
void ReflowTextControlChild(nsIFrame* aFrame,
|
|
nsPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus,
|
|
nsHTMLReflowMetrics& aParentDesiredSize);
|
|
|
|
public: //for methods who access nsTextControlFrame directly
|
|
void SetValueChanged(bool aValueChanged);
|
|
|
|
// called by the focus listener
|
|
nsresult MaybeBeginSecureKeyboardInput();
|
|
void MaybeEndSecureKeyboardInput();
|
|
|
|
#define DEFINE_TEXTCTRL_FORWARDER(type, name) \
|
|
type name() { \
|
|
nsCOMPtr<nsITextControlElement> txtCtrl = do_QueryInterface(GetContent()); \
|
|
NS_ASSERTION(txtCtrl, "Content not a text control element"); \
|
|
return txtCtrl->name(); \
|
|
}
|
|
#define DEFINE_TEXTCTRL_CONST_FORWARDER(type, name) \
|
|
type name() const { \
|
|
nsCOMPtr<nsITextControlElement> txtCtrl = do_QueryInterface(GetContent()); \
|
|
NS_ASSERTION(txtCtrl, "Content not a text control element"); \
|
|
return txtCtrl->name(); \
|
|
}
|
|
|
|
DEFINE_TEXTCTRL_CONST_FORWARDER(bool, IsSingleLineTextControl)
|
|
DEFINE_TEXTCTRL_CONST_FORWARDER(bool, IsTextArea)
|
|
DEFINE_TEXTCTRL_CONST_FORWARDER(bool, IsPlainTextControl)
|
|
DEFINE_TEXTCTRL_CONST_FORWARDER(bool, IsPasswordTextControl)
|
|
DEFINE_TEXTCTRL_FORWARDER(int32_t, GetCols)
|
|
DEFINE_TEXTCTRL_FORWARDER(int32_t, GetWrapCols)
|
|
DEFINE_TEXTCTRL_FORWARDER(int32_t, GetRows)
|
|
|
|
#undef DEFINE_TEXTCTRL_CONST_FORWARDER
|
|
#undef DEFINE_TEXTCTRL_FORWARDER
|
|
|
|
protected:
|
|
class EditorInitializer;
|
|
friend class EditorInitializer;
|
|
friend class nsTextEditorState; // needs access to UpdateValueDisplay
|
|
|
|
class EditorInitializer : public nsRunnable {
|
|
public:
|
|
EditorInitializer(nsTextControlFrame* aFrame) :
|
|
mFrame(aFrame) {}
|
|
|
|
NS_IMETHOD Run() MOZ_OVERRIDE;
|
|
|
|
// avoids use of nsWeakFrame
|
|
void Revoke() {
|
|
mFrame = nullptr;
|
|
}
|
|
|
|
private:
|
|
nsTextControlFrame* mFrame;
|
|
};
|
|
|
|
class ScrollOnFocusEvent;
|
|
friend class ScrollOnFocusEvent;
|
|
|
|
class ScrollOnFocusEvent : public nsRunnable {
|
|
public:
|
|
ScrollOnFocusEvent(nsTextControlFrame* aFrame) :
|
|
mFrame(aFrame) {}
|
|
|
|
NS_DECL_NSIRUNNABLE
|
|
|
|
void Revoke() {
|
|
mFrame = nullptr;
|
|
}
|
|
|
|
private:
|
|
nsTextControlFrame* mFrame;
|
|
};
|
|
|
|
nsresult OffsetToDOMPoint(int32_t aOffset, nsIDOMNode** aResult, int32_t* aPosition);
|
|
|
|
/**
|
|
* Update the textnode under our anonymous div to show the new
|
|
* value. This should only be called when we have no editor yet.
|
|
* @throws NS_ERROR_UNEXPECTED if the div has no text content
|
|
*/
|
|
nsresult UpdateValueDisplay(bool aNotify,
|
|
bool aBeforeEditorInit = false,
|
|
const nsAString *aValue = nullptr);
|
|
|
|
/**
|
|
* Get the maxlength attribute
|
|
* @param aMaxLength the value of the max length attr
|
|
* @returns false if attr not defined
|
|
*/
|
|
bool GetMaxLength(int32_t* aMaxLength);
|
|
|
|
/**
|
|
* Find out whether an attribute exists on the content or not.
|
|
* @param aAtt the attribute to determine the existence of
|
|
* @returns false if it does not exist
|
|
*/
|
|
bool AttributeExists(nsIAtom *aAtt) const
|
|
{ return mContent && mContent->HasAttr(kNameSpaceID_None, aAtt); }
|
|
|
|
/**
|
|
* We call this when we are being destroyed or removed from the PFM.
|
|
* @param aPresContext the current pres context
|
|
*/
|
|
void PreDestroy();
|
|
|
|
// Compute our intrinsic size. This does not include any borders, paddings,
|
|
// etc. Just the size of our actual area for the text (and the scrollbars,
|
|
// for <textarea>).
|
|
nsresult CalcIntrinsicSize(nsRenderingContext* aRenderingContext,
|
|
nsSize& aIntrinsicSize,
|
|
float aFontSizeInflation);
|
|
|
|
nsresult ScrollSelectionIntoView() MOZ_OVERRIDE;
|
|
|
|
private:
|
|
//helper methods
|
|
nsresult SetSelectionInternal(nsIDOMNode *aStartNode, int32_t aStartOffset,
|
|
nsIDOMNode *aEndNode, int32_t aEndOffset,
|
|
SelectionDirection aDirection = eNone);
|
|
nsresult SelectAllOrCollapseToEndOfText(bool aSelect);
|
|
nsresult SetSelectionEndPoints(int32_t aSelStart, int32_t aSelEnd,
|
|
SelectionDirection aDirection = eNone);
|
|
|
|
/**
|
|
* Return the root DOM element, and implicitly initialize the editor if needed.
|
|
*/
|
|
mozilla::dom::Element* GetRootNodeAndInitializeEditor();
|
|
nsresult GetRootNodeAndInitializeEditor(nsIDOMElement **aRootElement);
|
|
|
|
void FinishedInitializer() {
|
|
Properties().Delete(TextControlInitializer());
|
|
}
|
|
|
|
private:
|
|
// these packed bools could instead use the high order bits on mState, saving 4 bytes
|
|
bool mEditorHasBeenInitialized;
|
|
bool mIsProcessing;
|
|
// Keep track if we have asked a placeholder node creation.
|
|
bool mUsePlaceholder;
|
|
|
|
#ifdef DEBUG
|
|
bool mInEditorInitialization;
|
|
friend class EditorInitializerEntryTracker;
|
|
#endif
|
|
|
|
nsRevocableEventPtr<ScrollOnFocusEvent> mScrollEvent;
|
|
};
|
|
|
|
#endif
|
|
|
|
|