mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
gecko-dev/dom/xul/nsXULElement.h

818 строки
26 KiB
C++
Исходник Ответственный История

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
/*
The base XUL element class and associates.
*/
#ifndef nsXULElement_h__
#define nsXULElement_h__
#include "js/TracingAPI.h"
#include "mozilla/Attributes.h"
#include "nsIDOMEvent.h"
#include "nsIServiceManager.h"
#include "nsIAtom.h"
#include "mozilla/dom/NodeInfo.h"
#include "nsIControllers.h"
#include "nsIDOMElement.h"
#include "nsIDOMXULElement.h"
#include "nsIDOMXULMultSelectCntrlEl.h"
#include "nsIRDFCompositeDataSource.h"
#include "nsIRDFResource.h"
#include "nsIURI.h"
#include "nsIXULTemplateBuilder.h"
#include "nsLayoutCID.h"
#include "nsAttrAndChildArray.h"
#include "nsGkAtoms.h"
#include "nsStringFwd.h"
#include "nsStyledElement.h"
#include "nsIFrameLoader.h"
#include "nsFrameLoader.h" // Needed because we return an
// already_AddRefed<nsFrameLoader> where bindings
// want an already_AddRefed<nsIFrameLoader> and hence
// bindings need to know that the former can cast to
// the latter.
#include "mozilla/dom/DOMRect.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/DOMString.h"
class nsIDocument;
class nsXULPrototypeDocument;
class nsIObjectInputStream;
class nsIObjectOutputStream;
class nsIOffThreadScriptReceiver;
class nsXULPrototypeNode;
typedef nsTArray<RefPtr<nsXULPrototypeNode> > nsPrototypeArray;
namespace mozilla {
class EventChainPreVisitor;
class EventListenerManager;
namespace css {
class StyleRule;
} // namespace css
namespace dom {
class BoxObject;
class HTMLIFrameElement;
enum class CallerType : uint32_t;
} // namespace dom
} // namespace mozilla
namespace JS {
class SourceBufferHolder;
} // namespace JS
////////////////////////////////////////////////////////////////////////
#ifdef XUL_PROTOTYPE_ATTRIBUTE_METERING
#define XUL_PROTOTYPE_ATTRIBUTE_METER(counter) (nsXULPrototypeAttribute::counter++)
#else
#define XUL_PROTOTYPE_ATTRIBUTE_METER(counter) ((void) 0)
#endif
/**
A prototype attribute for an nsXULPrototypeElement.
*/
class nsXULPrototypeAttribute
{
public:
nsXULPrototypeAttribute()
: mName(nsGkAtoms::id) // XXX this is a hack, but names have to have a value
{
XUL_PROTOTYPE_ATTRIBUTE_METER(gNumAttributes);
MOZ_COUNT_CTOR(nsXULPrototypeAttribute);
}
~nsXULPrototypeAttribute();
nsAttrName mName;
nsAttrValue mValue;
#ifdef XUL_PROTOTYPE_ATTRIBUTE_METERING
static uint32_t gNumElements;
static uint32_t gNumAttributes;
static uint32_t gNumCacheTests;
static uint32_t gNumCacheHits;
static uint32_t gNumCacheSets;
static uint32_t gNumCacheFills;
#endif /* !XUL_PROTOTYPE_ATTRIBUTE_METERING */
};
/**
A prototype content model element that holds the "primordial" values
that have been parsed from the original XUL document.
*/
class nsXULPrototypeNode
{
public:
enum Type { eType_Element, eType_Script, eType_Text, eType_PI };
Type mType;
virtual nsresult Serialize(nsIObjectOutputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) = 0;
virtual nsresult Deserialize(nsIObjectInputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
nsIURI* aDocumentURI,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) = 0;
/**
* The prototype document must call ReleaseSubtree when it is going
* away. This makes the parents through the tree stop owning their
* children, whether or not the parent's reference count is zero.
* Individual elements may still own individual prototypes, but
* those prototypes no longer remember their children to allow them
* to be constructed.
*/
virtual void ReleaseSubtree() { }
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(nsXULPrototypeNode)
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(nsXULPrototypeNode)
protected:
explicit nsXULPrototypeNode(Type aType)
: mType(aType) {}
virtual ~nsXULPrototypeNode() {}
};
class nsXULPrototypeElement : public nsXULPrototypeNode
{
public:
nsXULPrototypeElement()
: nsXULPrototypeNode(eType_Element),
mNumAttributes(0),
mHasIdAttribute(false),
mHasClassAttribute(false),
mHasStyleAttribute(false),
mAttributes(nullptr)
{
}
virtual ~nsXULPrototypeElement()
{
Unlink();
}
virtual void ReleaseSubtree() override
{
for (int32_t i = mChildren.Length() - 1; i >= 0; i--) {
if (mChildren[i].get())
mChildren[i]->ReleaseSubtree();
}
mChildren.Clear();
nsXULPrototypeNode::ReleaseSubtree();
}
virtual nsresult Serialize(nsIObjectOutputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) override;
virtual nsresult Deserialize(nsIObjectInputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
nsIURI* aDocumentURI,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) override;
nsresult SetAttrAt(uint32_t aPos, const nsAString& aValue, nsIURI* aDocumentURI);
void Unlink();
// Trace all scripts held by this element and its children.
void TraceAllScripts(JSTracer* aTrc);
nsPrototypeArray mChildren;
RefPtr<mozilla::dom::NodeInfo> mNodeInfo;
uint32_t mNumAttributes:29;
uint32_t mHasIdAttribute:1;
uint32_t mHasClassAttribute:1;
uint32_t mHasStyleAttribute:1;
nsXULPrototypeAttribute* mAttributes; // [OWNER]
};
namespace mozilla {
namespace dom {
class XULDocument;
} // namespace dom
} // namespace mozilla
class nsXULPrototypeScript : public nsXULPrototypeNode
{
public:
nsXULPrototypeScript(uint32_t aLineNo, uint32_t version);
virtual ~nsXULPrototypeScript();
virtual nsresult Serialize(nsIObjectOutputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) override;
nsresult SerializeOutOfLine(nsIObjectOutputStream* aStream,
nsXULPrototypeDocument* aProtoDoc);
virtual nsresult Deserialize(nsIObjectInputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
nsIURI* aDocumentURI,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) override;
nsresult DeserializeOutOfLine(nsIObjectInputStream* aInput,
nsXULPrototypeDocument* aProtoDoc);
nsresult Compile(JS::SourceBufferHolder& aSrcBuf,
nsIURI* aURI, uint32_t aLineNo,
nsIDocument* aDocument,
nsIOffThreadScriptReceiver *aOffThreadReceiver = nullptr);
nsresult Compile(const char16_t* aText, int32_t aTextLength,
nsIURI* aURI, uint32_t aLineNo,
nsIDocument* aDocument,
nsIOffThreadScriptReceiver *aOffThreadReceiver = nullptr);
void UnlinkJSObjects();
void Set(JSScript* aObject);
bool HasScriptObject()
{
// Conversion to bool doesn't trigger mScriptObject's read barrier.
return mScriptObject;
}
JSScript* GetScriptObject()
{
return mScriptObject;
}
void TraceScriptObject(JSTracer* aTrc)
{
JS::TraceEdge(aTrc, &mScriptObject, "active window XUL prototype script");
}
void Trace(const TraceCallbacks& aCallbacks, void* aClosure)
{
if (mScriptObject) {
aCallbacks.Trace(&mScriptObject, "mScriptObject", aClosure);
}
}
nsCOMPtr<nsIURI> mSrcURI;
uint32_t mLineNo;
bool mSrcLoading;
bool mOutOfLine;
mozilla::dom::XULDocument* mSrcLoadWaiters; // [OWNER] but not COMPtr
uint32_t mLangVersion;
private:
JS::Heap<JSScript*> mScriptObject;
};
class nsXULPrototypeText : public nsXULPrototypeNode
{
public:
nsXULPrototypeText()
: nsXULPrototypeNode(eType_Text)
{
}
virtual ~nsXULPrototypeText()
{
}
virtual nsresult Serialize(nsIObjectOutputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) override;
virtual nsresult Deserialize(nsIObjectInputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
nsIURI* aDocumentURI,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) override;
nsString mValue;
};
class nsXULPrototypePI : public nsXULPrototypeNode
{
public:
nsXULPrototypePI()
: nsXULPrototypeNode(eType_PI)
{
}
virtual ~nsXULPrototypePI()
{
}
virtual nsresult Serialize(nsIObjectOutputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) override;
virtual nsresult Deserialize(nsIObjectInputStream* aStream,
nsXULPrototypeDocument* aProtoDoc,
nsIURI* aDocumentURI,
const nsTArray<RefPtr<mozilla::dom::NodeInfo>> *aNodeInfos) override;
nsString mTarget;
nsString mData;
};
////////////////////////////////////////////////////////////////////////
/**
The XUL element.
*/
#define XUL_ELEMENT_FLAG_BIT(n_) NODE_FLAG_BIT(ELEMENT_TYPE_SPECIFIC_BITS_OFFSET + (n_))
// XUL element specific bits
enum {
XUL_ELEMENT_TEMPLATE_GENERATED = XUL_ELEMENT_FLAG_BIT(0),
XUL_ELEMENT_HAS_CONTENTMENU_LISTENER = XUL_ELEMENT_FLAG_BIT(1),
XUL_ELEMENT_HAS_POPUP_LISTENER = XUL_ELEMENT_FLAG_BIT(2)
};
ASSERT_NODE_FLAGS_SPACE(ELEMENT_TYPE_SPECIFIC_BITS_OFFSET + 3);
#undef XUL_ELEMENT_FLAG_BIT
class nsXULElement final : public nsStyledElement,
public nsIDOMXULElement
{
public:
using Element::Blur;
using Element::Focus;
explicit nsXULElement(already_AddRefed<mozilla::dom::NodeInfo> aNodeInfo);
static nsresult
Create(nsXULPrototypeElement* aPrototype, nsIDocument* aDocument,
bool aIsScriptable, bool aIsRoot, mozilla::dom::Element** aResult);
NS_IMPL_FROMCONTENT(nsXULElement, kNameSpaceID_XUL)
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsXULElement, nsStyledElement)
// nsINode
virtual nsresult GetEventTargetParent(
mozilla::EventChainPreVisitor& aVisitor) override;
virtual nsresult PreHandleEvent(
mozilla::EventChainVisitor& aVisitor) override;
// nsIContent
virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers) override;
virtual void UnbindFromTree(bool aDeep, bool aNullParent) override;
virtual void RemoveChildAt(uint32_t aIndex, bool aNotify) override;
virtual void DestroyContent() override;
#ifdef DEBUG
virtual void List(FILE* out, int32_t aIndent) const override;
virtual void DumpContent(FILE* out, int32_t aIndent,bool aDumpAll) const override
{
}
#endif
virtual bool PerformAccesskey(bool aKeyCausesActivation,
bool aIsTrustedEvent) override;
void ClickWithInputSource(uint16_t aInputSource, bool aIsTrustedEvent);
virtual nsIContent *GetBindingParent() const override;
virtual bool IsNodeOfType(uint32_t aFlags) const override;
virtual bool IsFocusableInternal(int32_t* aTabIndex, bool aWithMouse) override;
NS_IMETHOD WalkContentStyleRules(nsRuleWalker* aRuleWalker) override;
virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
int32_t aModType) const override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const override;
// XUL element methods
/**
* The template-generated flag is used to indicate that a
* template-generated element has already had its children generated.
*/
void SetTemplateGenerated() { SetFlags(XUL_ELEMENT_TEMPLATE_GENERATED); }
void ClearTemplateGenerated() { UnsetFlags(XUL_ELEMENT_TEMPLATE_GENERATED); }
bool GetTemplateGenerated() { return HasFlag(XUL_ELEMENT_TEMPLATE_GENERATED); }
// nsIDOMNode
NS_FORWARD_NSIDOMNODE_TO_NSINODE
// And since that shadowed GetParentElement with the XPCOM
// signature, pull in the one we care about.
using nsStyledElement::GetParentElement;
// nsIDOMElement
NS_FORWARD_NSIDOMELEMENT_TO_GENERIC
// nsIDOMXULElement
NS_DECL_NSIDOMXULELEMENT
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
bool aPreallocateChildren) const override;
virtual mozilla::EventStates IntrinsicState() const override;
nsresult GetFrameLoaderXPCOM(nsIFrameLoader** aFrameLoader);
void PresetOpenerWindow(mozIDOMWindowProxy* aWindow, ErrorResult& aRv);
nsresult SetIsPrerendered();
virtual void RecompileScriptEventListeners() override;
// This function should ONLY be used by BindToTree implementations.
// The function exists solely because XUL elements store the binding
// parent as a member instead of in the slots, as Element does.
void SetXULBindingParent(nsIContent* aBindingParent)
{
mBindingParent = aBindingParent;
}
virtual nsIDOMNode* AsDOMNode() override { return this; }
virtual bool IsEventAttributeNameInternal(nsIAtom* aName) override;
typedef mozilla::dom::DOMString DOMString;
void GetXULAttr(nsIAtom* aName, DOMString& aResult) const
{
GetAttr(kNameSpaceID_None, aName, aResult);
}
void SetXULAttr(nsIAtom* aName, const nsAString& aValue,
mozilla::ErrorResult& aError)
{
SetAttr(aName, aValue, aError);
}
void SetXULBoolAttr(nsIAtom* aName, bool aValue)
{
if (aValue) {
SetAttr(kNameSpaceID_None, aName, NS_LITERAL_STRING("true"), true);
} else {
UnsetAttr(kNameSpaceID_None, aName, true);
}
}
// WebIDL API
void GetAlign(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::align, aValue);
}
void SetAlign(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::align, aValue, rv);
}
void GetDir(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::dir, aValue);
}
void SetDir(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::dir, aValue, rv);
}
void GetFlex(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::flex, aValue);
}
void SetFlex(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::flex, aValue, rv);
}
void GetFlexGroup(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::flexgroup, aValue);
}
void SetFlexGroup(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::flexgroup, aValue, rv);
}
void GetOrdinal(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::ordinal, aValue);
}
void SetOrdinal(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::ordinal, aValue, rv);
}
void GetOrient(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::orient, aValue);
}
void SetOrient(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::orient, aValue, rv);
}
void GetPack(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::pack, aValue);
}
void SetPack(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::pack, aValue, rv);
}
bool Hidden() const
{
return BoolAttrIsTrue(nsGkAtoms::hidden);
}
void SetHidden(bool aHidden)
{
SetXULBoolAttr(nsGkAtoms::hidden, aHidden);
}
bool Collapsed() const
{
return BoolAttrIsTrue(nsGkAtoms::collapsed);
}
void SetCollapsed(bool aCollapsed)
{
SetXULBoolAttr(nsGkAtoms::collapsed, aCollapsed);
}
void GetObserves(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::observes, aValue);
}
void SetObserves(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::observes, aValue, rv);
}
void GetMenu(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::menu, aValue);
}
void SetMenu(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::menu, aValue, rv);
}
void GetContextMenu(DOMString& aValue)
{
GetXULAttr(nsGkAtoms::contextmenu, aValue);
}
void SetContextMenu(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::contextmenu, aValue, rv);
}
void GetTooltip(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::tooltip, aValue);
}
void SetTooltip(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::tooltip, aValue, rv);
}
void GetWidth(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::width, aValue);
}
void SetWidth(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::width, aValue, rv);
}
void GetHeight(DOMString& aValue)
{
GetXULAttr(nsGkAtoms::height, aValue);
}
void SetHeight(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::height, aValue, rv);
}
void GetMinWidth(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::minwidth, aValue);
}
void SetMinWidth(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::minwidth, aValue, rv);
}
void GetMinHeight(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::minheight, aValue);
}
void SetMinHeight(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::minheight, aValue, rv);
}
void GetMaxWidth(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::maxwidth, aValue);
}
void SetMaxWidth(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::maxwidth, aValue, rv);
}
void GetMaxHeight(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::maxheight, aValue);
}
void SetMaxHeight(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::maxheight, aValue, rv);
}
void GetPersist(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::persist, aValue);
}
void SetPersist(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::persist, aValue, rv);
}
void GetLeft(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::left, aValue);
}
void SetLeft(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::left, aValue, rv);
}
void GetTop(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::top, aValue);
}
void SetTop(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::top, aValue, rv);
}
void GetDatasources(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::datasources, aValue);
}
void SetDatasources(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::datasources, aValue, rv);
}
void GetRef(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::ref, aValue);
}
void SetRef(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::ref, aValue, rv);
}
void GetTooltipText(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::tooltiptext, aValue);
}
void SetTooltipText(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::tooltiptext, aValue, rv);
}
void GetStatusText(DOMString& aValue) const
{
GetXULAttr(nsGkAtoms::statustext, aValue);
}
void SetStatusText(const nsAString& aValue, mozilla::ErrorResult& rv)
{
SetXULAttr(nsGkAtoms::statustext, aValue, rv);
}
bool AllowEvents() const
{
return BoolAttrIsTrue(nsGkAtoms::allowevents);
}
void SetAllowEvents(bool aAllowEvents)
{
SetXULBoolAttr(nsGkAtoms::allowevents, aAllowEvents);
}
already_AddRefed<nsIRDFCompositeDataSource> GetDatabase();
already_AddRefed<nsIXULTemplateBuilder> GetBuilder();
already_AddRefed<nsIRDFResource> GetResource(mozilla::ErrorResult& rv);
nsIControllers* GetControllers(mozilla::ErrorResult& rv);
// Note: this can only fail if the do_CreateInstance for the boxobject
// contact fails for some reason.
already_AddRefed<mozilla::dom::BoxObject> GetBoxObject(mozilla::ErrorResult& rv);
void Click(mozilla::dom::CallerType aCallerType);
void DoCommand();
already_AddRefed<nsINodeList>
GetElementsByAttribute(const nsAString& aAttribute,
const nsAString& aValue);
already_AddRefed<nsINodeList>
GetElementsByAttributeNS(const nsAString& aNamespaceURI,
const nsAString& aAttribute,
const nsAString& aValue,
mozilla::ErrorResult& rv);
// Style() inherited from nsStyledElement
already_AddRefed<nsFrameLoader> GetFrameLoader();
void InternalSetFrameLoader(nsIFrameLoader* aNewFrameLoader);
void SwapFrameLoaders(mozilla::dom::HTMLIFrameElement& aOtherLoaderOwner,
mozilla::ErrorResult& rv);
void SwapFrameLoaders(nsXULElement& aOtherLoaderOwner,
mozilla::ErrorResult& rv);
void SwapFrameLoaders(nsIFrameLoaderOwner* aOtherLoaderOwner,
mozilla::ErrorResult& rv);
nsINode* GetScopeChainParent() const override
{
// For XUL, the parent is the parent element, if any
Element* parent = GetParentElement();
return parent ? parent : nsStyledElement::GetScopeChainParent();
}
protected:
~nsXULElement();
// This can be removed if EnsureContentsGenerated dies.
friend class nsNSElementTearoff;
// Implementation methods
nsresult EnsureContentsGenerated(void) const;
nsresult ExecuteOnBroadcastHandler(nsIDOMElement* anElement, const nsAString& attrName);
static nsresult
ExecuteJSCode(nsIDOMElement* anElement, mozilla::WidgetEvent* aEvent);
// Helper routine that crawls a parent chain looking for a tree element.
NS_IMETHOD GetParentTree(nsIDOMXULMultiSelectControlElement** aTreeElement);
nsresult AddPopupListener(nsIAtom* aName);
nsresult LoadSrc();
/**
* The nearest enclosing content node with a binding
* that created us. [Weak]
*/
nsIContent* mBindingParent;
/**
* Abandon our prototype linkage, and copy all attributes locally
*/
nsresult MakeHeavyweight(nsXULPrototypeElement* aPrototype);
virtual nsresult BeforeSetAttr(int32_t aNamespaceID, nsIAtom* aName,
const nsAttrValueOrString* aValue,
bool aNotify) override;
virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
bool aNotify) override;
virtual void UpdateEditableState(bool aNotify) override;
virtual bool ParseAttribute(int32_t aNamespaceID,
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult) override;
virtual mozilla::EventListenerManager*
GetEventListenerManagerForAttr(nsIAtom* aAttrName,
bool* aDefer) override;
/**
* Add a listener for the specified attribute, if appropriate.
*/
void AddListenerFor(const nsAttrName& aName,
bool aCompileEventHandlers);
void MaybeAddPopupListener(nsIAtom* aLocalName);
nsIWidget* GetWindowWidget();
// attribute setters for widget
nsresult HideWindowChrome(bool aShouldHide);
void SetChromeMargins(const nsAttrValue* aValue);
void ResetChromeMargins();
void SetTitlebarColor(nscolor aColor, bool aActive);
void SetDrawsInTitlebar(bool aState);
void SetDrawsTitle(bool aState);
void UpdateBrightTitlebarForeground(nsIDocument* aDocument);
void RemoveBroadcaster(const nsAString & broadcasterId);
protected:
// Internal accessor. This shadows the 'Slots', and returns
// appropriate value.
nsIControllers *Controllers() {
nsExtendedDOMSlots* slots = GetExistingExtendedDOMSlots();
return slots ? slots->mControllers.get() : nullptr;
}
void UnregisterAccessKey(const nsAString& aOldValue);
bool BoolAttrIsTrue(nsIAtom* aName) const;
friend nsresult
NS_NewXULElement(mozilla::dom::Element** aResult, mozilla::dom::NodeInfo *aNodeInfo);
friend void
NS_TrustedNewXULElement(nsIContent** aResult, mozilla::dom::NodeInfo *aNodeInfo);
static already_AddRefed<nsXULElement>
Create(nsXULPrototypeElement* aPrototype, mozilla::dom::NodeInfo *aNodeInfo,
bool aIsScriptable, bool aIsRoot);
bool IsReadWriteTextElement() const
{
return IsAnyOfXULElements(nsGkAtoms::textbox, nsGkAtoms::textarea) &&
!HasAttr(kNameSpaceID_None, nsGkAtoms::readonly);
}
virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
void MaybeUpdatePrivateLifetime();
bool IsEventStoppedFromAnonymousScrollbar(mozilla::EventMessage aMessage);
nsresult DispatchXULCommand(const mozilla::EventChainVisitor& aVisitor,
nsAutoString& aCommand);
};
#endif // nsXULElement_h__
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку