tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

nsICSSDeclaration.h (5061B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 /*
      8 * interface for accessing style declarations using enums instead of strings,
      9 * for internal use
     10 */
     11 
     12 #ifndef nsICSSDeclaration_h__
     13 #define nsICSSDeclaration_h__
     14 
     15 /**
     16 * This interface provides access to methods analogous to those of
     17 * CSSStyleDeclaration; the difference is that these use NonCustomCSSPropertyId
     18 * enums for the prop names instead of using strings.
     19 */
     20 
     21 #include "NonCustomCSSPropertyId.h"
     22 #include "mozilla/ErrorResult.h"
     23 #include "mozilla/dom/CSSValue.h"
     24 #include "nsCOMPtr.h"
     25 #include "nsStringFwd.h"
     26 #include "nsWrapperCache.h"
     27 
     28 class nsINode;
     29 class nsIPrincipal;
     30 namespace mozilla {
     31 class ErrorResult;
     32 
     33 namespace css {
     34 class Rule;
     35 }  // namespace css
     36 namespace dom {
     37 class DocGroup;
     38 }  // namespace dom
     39 }  // namespace mozilla
     40 
     41 // dbeabbfa-6cb3-4f5c-aec2-dd558d9d681f
     42 #define NS_ICSSDECLARATION_IID \
     43  {0xdbeabbfa, 0x6cb3, 0x4f5c, {0xae, 0xc2, 0xdd, 0x55, 0x8d, 0x9d, 0x68, 0x1f}}
     44 
     45 class nsICSSDeclaration : public nsISupports, public nsWrapperCache {
     46 public:
     47  NS_INLINE_DECL_STATIC_IID(NS_ICSSDECLARATION_IID)
     48 
     49  virtual nsINode* GetAssociatedNode() const = 0;
     50  virtual nsISupports* GetParentObject() const = 0;
     51 
     52  mozilla::dom::DocGroup* GetDocGroup();
     53 
     54  virtual void GetPropertyValue(const nsACString& aPropName,
     55                                nsACString& aValue) = 0;
     56  virtual void RemoveProperty(const nsACString& aPropertyName,
     57                              nsACString& aValue,
     58                              mozilla::ErrorResult& aRv) = 0;
     59  virtual void SetProperty(const nsACString& aPropertyName,
     60                           const nsACString& aValue,
     61                           const nsACString& aPriority,
     62                           nsIPrincipal* aSubjectPrincipal,
     63                           mozilla::ErrorResult& aRv) = 0;
     64  // For C++ callers.
     65  void SetProperty(const nsACString& aPropertyName, const nsACString& aValue,
     66                   const nsACString& aPriority, mozilla::ErrorResult& aRv) {
     67    SetProperty(aPropertyName, aValue, aPriority, nullptr, aRv);
     68  }
     69 
     70  void Item(uint32_t aIndex, nsACString& aReturn) {
     71    bool found;
     72    IndexedGetter(aIndex, found, aReturn);
     73    if (!found) {
     74      aReturn.Truncate();
     75    }
     76  }
     77 
     78  virtual void GetCSSImageURLs(const nsACString& aPropertyName,
     79                               nsTArray<nsCString>& aImageURLs,
     80                               mozilla::ErrorResult& aRv) {
     81    aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
     82  }
     83 
     84  // [Chrome only]
     85  // Used font-size (taking account of the min-font-size prefs), if available;
     86  // returns -1.0 on failure to retrieve a value.
     87  virtual float UsedFontSize() { return -1.0; }
     88 
     89  // WebIDL interface for CSSStyleDeclaration
     90  virtual void SetCssText(const nsACString& aString,
     91                          nsIPrincipal* aSubjectPrincipal,
     92                          mozilla::ErrorResult& rv) = 0;
     93  virtual void GetCssText(nsACString& aString) = 0;
     94  virtual uint32_t Length() = 0;
     95 
     96  // The actual implementation of the Item method and the WebIDL indexed getter
     97  virtual void IndexedGetter(uint32_t aIndex, bool& aFound,
     98                             nsACString& aPropName) = 0;
     99 
    100  virtual void GetPropertyPriority(const nsACString& aPropName,
    101                                   nsACString& aPriority) = 0;
    102  virtual mozilla::css::Rule* GetParentRule() = 0;
    103 
    104  // [Chrome only]
    105  virtual bool HasLonghandProperty(const nsACString& aPropName) {
    106    return false;
    107  };
    108 
    109 protected:
    110  bool IsReadOnly();
    111 };
    112 
    113 #define NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER                               \
    114  void GetCssText(nsACString& aCssText) override;                              \
    115  void SetCssText(const nsACString& aCssText, nsIPrincipal* aSubjectPrincipal, \
    116                  mozilla::ErrorResult& aRv) override;                         \
    117  void GetPropertyValue(const nsACString& aPropertyName, nsACString& aValue)   \
    118      override;                                                                \
    119  void RemoveProperty(const nsACString& aPropertyName, nsACString& aValue,     \
    120                      mozilla::ErrorResult& aRv) override;                     \
    121  void GetPropertyPriority(const nsACString& aPropertyName,                    \
    122                           nsACString& aPriority) override;                    \
    123  void SetProperty(const nsACString& aPropertyName, const nsACString& aValue,  \
    124                   const nsACString& aPriority,                                \
    125                   nsIPrincipal* aSubjectPrincipal, mozilla::ErrorResult& aRv) \
    126      override;                                                                \
    127  uint32_t Length() override;                                                  \
    128  mozilla::css::Rule* GetParentRule() override;
    129 
    130 #endif  // nsICSSDeclaration_h__