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eb09a50905
We define a new flag CSS_PROPERTY_LOGICAL to be used for logical longhand properties and a new CSS_PROP_LOGICAL macro in nsCSSPropList.h to define them. When using CSS_PROP to capture all properties, includers must now explicitly indicate whether logical properties are included or not, by defining CSS_PROP_LIST_EXCLUDE_LOGICAL (to exclude them), CSS_PROP_LIST_INCLUDE_LOGICAL (to include them), or CSS_PROP_LOGICAL (to capture them separately from other properties).
164 lines
6.7 KiB
C++
164 lines
6.7 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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/* base class for DOM objects for element.style and cssStyleRule.style */
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#ifndef nsDOMCSSDeclaration_h___
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#define nsDOMCSSDeclaration_h___
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#include "nsICSSDeclaration.h"
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#include "mozilla/Attributes.h"
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#include "nsIURI.h"
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#include "nsCOMPtr.h"
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class nsIPrincipal;
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class nsIDocument;
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struct JSContext;
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class JSObject;
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namespace mozilla {
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namespace css {
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class Declaration;
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class Loader;
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class Rule;
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}
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}
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class nsDOMCSSDeclaration : public nsICSSDeclaration
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{
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public:
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// Only implement QueryInterface; subclasses have the responsibility
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// of implementing AddRef/Release.
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) MOZ_OVERRIDE;
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// Declare addref and release so they can be called on us, but don't
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// implement them. Our subclasses must handle their own
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// refcounting.
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NS_IMETHOD_(MozExternalRefCountType) AddRef() MOZ_OVERRIDE = 0;
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NS_IMETHOD_(MozExternalRefCountType) Release() MOZ_OVERRIDE = 0;
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NS_DECL_NSICSSDECLARATION
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using nsICSSDeclaration::GetLength;
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// Require subclasses to implement |GetParentRule|.
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//NS_DECL_NSIDOMCSSSTYLEDECLARATION
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NS_IMETHOD GetCssText(nsAString & aCssText) MOZ_OVERRIDE;
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NS_IMETHOD SetCssText(const nsAString & aCssText) MOZ_OVERRIDE;
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NS_IMETHOD GetPropertyValue(const nsAString & propertyName,
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nsAString & _retval) MOZ_OVERRIDE;
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virtual already_AddRefed<mozilla::dom::CSSValue>
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GetPropertyCSSValue(const nsAString & propertyName,
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mozilla::ErrorResult& aRv) MOZ_OVERRIDE;
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using nsICSSDeclaration::GetPropertyCSSValue;
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NS_IMETHOD RemoveProperty(const nsAString & propertyName,
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nsAString & _retval) MOZ_OVERRIDE;
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NS_IMETHOD GetPropertyPriority(const nsAString & propertyName,
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nsAString & _retval) MOZ_OVERRIDE;
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NS_IMETHOD SetProperty(const nsAString & propertyName,
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const nsAString & value, const nsAString & priority) MOZ_OVERRIDE;
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NS_IMETHOD GetLength(uint32_t *aLength) MOZ_OVERRIDE;
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NS_IMETHOD GetParentRule(nsIDOMCSSRule * *aParentRule) MOZ_OVERRIDE = 0;
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// WebIDL interface for CSS2Properties
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#define CSS_PROP_PUBLIC_OR_PRIVATE(publicname_, privatename_) publicname_
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#define CSS_PROP(name_, id_, method_, flags_, pref_, parsevariant_, \
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kwtable_, stylestruct_, stylestructoffset_, animtype_) \
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void \
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Get##method_(nsAString& aValue, mozilla::ErrorResult& rv) \
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{ \
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rv = GetPropertyValue(eCSSProperty_##id_, aValue); \
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} \
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\
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void \
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Set##method_(const nsAString& aValue, mozilla::ErrorResult& rv) \
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{ \
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rv = SetPropertyValue(eCSSProperty_##id_, aValue); \
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}
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#define CSS_PROP_LIST_EXCLUDE_INTERNAL
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#define CSS_PROP_LIST_INCLUDE_LOGICAL
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#define CSS_PROP_SHORTHAND(name_, id_, method_, flags_, pref_) \
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CSS_PROP(name_, id_, method_, flags_, pref_, X, X, X, X, X)
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#include "nsCSSPropList.h"
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#define CSS_PROP_ALIAS(aliasname_, propid_, aliasmethod_, pref_) \
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CSS_PROP(X, propid_, aliasmethod_, X, pref_, X, X, X, X, X)
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#include "nsCSSPropAliasList.h"
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#undef CSS_PROP_ALIAS
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#undef CSS_PROP_SHORTHAND
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#undef CSS_PROP_LIST_INCLUDE_LOGICAL
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#undef CSS_PROP_LIST_EXCLUDE_INTERNAL
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#undef CSS_PROP
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#undef CSS_PROP_PUBLIC_OR_PRIVATE
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virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) MOZ_OVERRIDE;
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virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
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protected:
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// This method can return null regardless of the value of aAllocate;
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// however, a null return should only be considered a failure
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// if aAllocate is true.
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virtual mozilla::css::Declaration* GetCSSDeclaration(bool aAllocate) = 0;
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virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl) = 0;
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// Document that we must call BeginUpdate/EndUpdate on around the
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// calls to SetCSSDeclaration and the style rule mutation that leads
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// to it.
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virtual nsIDocument* DocToUpdate() = 0;
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// Information neded to parse a declaration. We need the mSheetURI
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// for error reporting, mBaseURI to resolve relative URIs,
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// mPrincipal for subresource loads, and mCSSLoader for determining
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// whether we're in quirks mode. mBaseURI needs to be a strong
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// pointer because of xml:base possibly creating base URIs on the
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// fly. This is why we don't use CSSParsingEnvironment as a return
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// value, to avoid multiple-refcounting of mBaseURI.
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struct CSSParsingEnvironment {
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nsIURI* mSheetURI;
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nsCOMPtr<nsIURI> mBaseURI;
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nsIPrincipal* mPrincipal;
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mozilla::css::Loader* mCSSLoader;
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};
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// On failure, mPrincipal should be set to null in aCSSParseEnv.
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// If mPrincipal is null, the other members may not be set to
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// anything meaningful.
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virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) = 0;
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// An implementation for GetCSSParsingEnvironment for callers wrapping
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// an css::Rule.
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static void GetCSSParsingEnvironmentForRule(mozilla::css::Rule* aRule,
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CSSParsingEnvironment& aCSSParseEnv);
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nsresult ParsePropertyValue(const nsCSSProperty aPropID,
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const nsAString& aPropValue,
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bool aIsImportant);
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// Prop-id based version of RemoveProperty. Note that this does not
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// return the old value; it just does a straight removal.
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nsresult RemoveProperty(const nsCSSProperty aPropID);
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void GetCustomPropertyValue(const nsAString& aPropertyName, nsAString& aValue);
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nsresult RemoveCustomProperty(const nsAString& aPropertyName);
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nsresult ParseCustomPropertyValue(const nsAString& aPropertyName,
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const nsAString& aPropValue,
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bool aIsImportant);
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protected:
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virtual ~nsDOMCSSDeclaration();
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};
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bool IsCSSPropertyExposedToJS(nsCSSProperty aProperty, JSContext* cx, JSObject* obj);
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template <nsCSSProperty Property>
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MOZ_ALWAYS_INLINE bool IsCSSPropertyExposedToJS(JSContext* cx, JSObject* obj)
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{
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return IsCSSPropertyExposedToJS(Property, cx, obj);
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}
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#endif // nsDOMCSSDeclaration_h___
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