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Diffstat (limited to '')
| -rw-r--r-- | layout/style/nsICSSDeclaration.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/layout/style/nsICSSDeclaration.h b/layout/style/nsICSSDeclaration.h new file mode 100644 index 0000000000..273f53cbaf --- /dev/null +++ b/layout/style/nsICSSDeclaration.h @@ -0,0 +1,131 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +/* + * interface for accessing style declarations using enums instead of strings, + * for internal use + */ + +#ifndef nsICSSDeclaration_h__ +#define nsICSSDeclaration_h__ + +/** + * This interface provides access to methods analogous to those of + * CSSStyleDeclaration; the difference is that these use nsCSSPropertyID + * enums for the prop names instead of using strings. + */ + +#include "mozilla/Attributes.h" +#include "nsCSSPropertyID.h" +#include "mozilla/dom/CSSValue.h" +#include "mozilla/ErrorResult.h" +#include "nsWrapperCache.h" +#include "nsStringFwd.h" +#include "nsCOMPtr.h" + +class nsINode; +class nsIPrincipal; +namespace mozilla { +class ErrorResult; + +namespace css { +class Rule; +} // namespace css +namespace dom { +class DocGroup; +} // namespace dom +} // namespace mozilla + +// dbeabbfa-6cb3-4f5c-aec2-dd558d9d681f +#define NS_ICSSDECLARATION_IID \ + { \ + 0xdbeabbfa, 0x6cb3, 0x4f5c, { \ + 0xae, 0xc2, 0xdd, 0x55, 0x8d, 0x9d, 0x68, 0x1f \ + } \ + } + +class nsICSSDeclaration : public nsISupports, public nsWrapperCache { + public: + NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICSSDECLARATION_IID) + + virtual nsINode* GetAssociatedNode() const = 0; + virtual nsISupports* GetParentObject() const = 0; + + mozilla::dom::DocGroup* GetDocGroup(); + + NS_IMETHOD GetPropertyValue(const nsACString& aPropName, + nsACString& aValue) = 0; + virtual void RemoveProperty(const nsACString& aPropertyName, + nsACString& aReturn, + mozilla::ErrorResult& aRv) = 0; + virtual void SetProperty(const nsACString& aPropertyName, + const nsACString& aValue, + const nsACString& aPriority, + nsIPrincipal* aSubjectPrincipal, + mozilla::ErrorResult& aRv) = 0; + // For C++ callers. + void SetProperty(const nsACString& aPropertyName, const nsACString& aValue, + const nsACString& aPriority, mozilla::ErrorResult& aRv) { + SetProperty(aPropertyName, aValue, aPriority, nullptr, aRv); + } + + void Item(uint32_t aIndex, nsACString& aReturn) { + bool found; + IndexedGetter(aIndex, found, aReturn); + if (!found) { + aReturn.Truncate(); + } + } + + virtual void GetCSSImageURLs(const nsACString& aPropertyName, + nsTArray<nsCString>& aImageURLs, + mozilla::ErrorResult& aRv) { + aRv.Throw(NS_ERROR_NOT_IMPLEMENTED); + } + + // WebIDL interface for CSSStyleDeclaration + virtual void SetCssText(const nsACString& aString, + nsIPrincipal* aSubjectPrincipal, + mozilla::ErrorResult& rv) = 0; + virtual void GetCssText(nsACString& aString) = 0; + virtual uint32_t Length() = 0; + + // The actual implementation of the Item method and the WebIDL indexed getter + virtual void IndexedGetter(uint32_t aIndex, bool& aFound, + nsACString& aPropName) = 0; + + void GetPropertyValue(const nsACString& aPropName, nsACString& aValue, + mozilla::ErrorResult& rv) { + rv = GetPropertyValue(aPropName, aValue); + } + virtual void GetPropertyPriority(const nsACString& aPropName, + nsACString& aPriority) = 0; + virtual mozilla::css::Rule* GetParentRule() = 0; + + protected: + bool IsReadOnly(); +}; + +NS_DEFINE_STATIC_IID_ACCESSOR(nsICSSDeclaration, NS_ICSSDECLARATION_IID) + +#define NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER \ + void GetCssText(nsACString& aCssText) override; \ + void SetCssText(const nsACString& aCssText, nsIPrincipal* aSubjectPrincipal, \ + mozilla::ErrorResult& aRv) override; \ + NS_IMETHOD GetPropertyValue(const nsACString& propertyName, \ + nsACString& _retval) override; \ + void RemoveProperty(const nsACString& propertyName, nsACString& _retval, \ + mozilla::ErrorResult& aRv) override; \ + void GetPropertyPriority(const nsACString& propertyName, \ + nsACString& aPriority) override; \ + void SetProperty(const nsACString& propertyName, const nsACString& value, \ + const nsACString& priority, \ + nsIPrincipal* aSubjectPrincipal, mozilla::ErrorResult& aRv) \ + override; \ + uint32_t Length() override; \ + mozilla::css::Rule* GetParentRule() override; + +#endif // nsICSSDeclaration_h__ |