mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-04 11:26:09 +00:00
09763b1ac3
Differential Revision: https://phabricator.services.mozilla.com/D22427 --HG-- extra : moz-landing-system : lando
257 lines
11 KiB
C++
257 lines
11 KiB
C++
/* -*- 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/.
|
|
*/
|
|
|
|
#ifndef mozilla_dom_InspectorUtils_h
|
|
#define mozilla_dom_InspectorUtils_h
|
|
|
|
#include "mozilla/dom/InspectorUtilsBinding.h"
|
|
|
|
class nsAtom;
|
|
class nsINode;
|
|
class ComputedStyle;
|
|
|
|
namespace mozilla {
|
|
class StyleSheet;
|
|
namespace css {
|
|
class Rule;
|
|
} // namespace css
|
|
namespace dom {
|
|
class CharacterData;
|
|
class Element;
|
|
class InspectorFontFace;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
/**
|
|
* A collection of utility methods for use by devtools.
|
|
*/
|
|
class InspectorUtils {
|
|
public:
|
|
static void GetAllStyleSheets(GlobalObject& aGlobal, Document& aDocument,
|
|
bool aDocumentOnly,
|
|
nsTArray<RefPtr<StyleSheet>>& aResult);
|
|
static void GetCSSStyleRules(GlobalObject& aGlobal, Element& aElement,
|
|
const nsAString& aPseudo,
|
|
nsTArray<RefPtr<BindingStyleRule>>& aResult);
|
|
|
|
/**
|
|
* Get the line number of a rule.
|
|
*
|
|
* @param aRule The rule.
|
|
* @return The rule's line number. Line numbers are 1-based.
|
|
*/
|
|
static uint32_t GetRuleLine(GlobalObject& aGlobal, css::Rule& aRule);
|
|
|
|
/**
|
|
* Get the column number of a rule.
|
|
*
|
|
* @param aRule The rule.
|
|
* @return The rule's column number. Column numbers are 1-based.
|
|
*/
|
|
static uint32_t GetRuleColumn(GlobalObject& aGlobal, css::Rule& aRule);
|
|
|
|
/**
|
|
* Like getRuleLine, but if the rule is in a <style> element,
|
|
* returns a line number relative to the start of the element.
|
|
*
|
|
* @param aRule the rule to examine
|
|
* @return the line number of the rule, possibly relative to the
|
|
* <style> element
|
|
*/
|
|
static uint32_t GetRelativeRuleLine(GlobalObject& aGlobal, css::Rule& aRule);
|
|
|
|
static bool HasRulesModifiedByCSSOM(GlobalObject& aGlobal,
|
|
StyleSheet& aSheet);
|
|
|
|
// Utilities for working with selectors. We don't have a JS OM representation
|
|
// of a single selector or a selector list yet, but given a rule we can index
|
|
// into the selector list.
|
|
//
|
|
// These methods would probably make more sense being [ChromeOnly] APIs on
|
|
// CSSStyleRule itself (bug 1428245).
|
|
static uint32_t GetSelectorCount(GlobalObject& aGlobal,
|
|
BindingStyleRule& aRule);
|
|
|
|
// For all three functions below, aSelectorIndex is 0-based
|
|
static void GetSelectorText(GlobalObject& aGlobal, BindingStyleRule& aRule,
|
|
uint32_t aSelectorIndex, nsString& aText,
|
|
ErrorResult& aRv);
|
|
static uint64_t GetSpecificity(GlobalObject& aGlobal, BindingStyleRule& aRule,
|
|
uint32_t aSelectorIndex, ErrorResult& aRv);
|
|
// Note: This does not handle scoped selectors correctly, because it has no
|
|
// idea what the right scope is.
|
|
static bool SelectorMatchesElement(GlobalObject& aGlobal, Element& aElement,
|
|
BindingStyleRule& aRule,
|
|
uint32_t aSelectorIndex,
|
|
const nsAString& aPseudo,
|
|
ErrorResult& aRv);
|
|
|
|
// Utilities for working with CSS properties
|
|
//
|
|
// Returns true if the string names a property that is inherited by default.
|
|
static bool IsInheritedProperty(GlobalObject& aGlobal,
|
|
const nsAString& aPropertyName);
|
|
|
|
// Get a list of all our supported property names. Optionally
|
|
// property aliases included.
|
|
static void GetCSSPropertyNames(GlobalObject& aGlobal,
|
|
const PropertyNamesOptions& aOptions,
|
|
nsTArray<nsString>& aResult);
|
|
|
|
// Get a list of all properties controlled by preference, as well as
|
|
// their corresponding preference names.
|
|
static void GetCSSPropertyPrefs(GlobalObject& aGlobal,
|
|
nsTArray<PropertyPref>& aResult);
|
|
|
|
// Get a list of all valid keywords and colors for aProperty.
|
|
static void GetCSSValuesForProperty(GlobalObject& aGlobal,
|
|
const nsAString& aPropertyName,
|
|
nsTArray<nsString>& aResult,
|
|
ErrorResult& aRv);
|
|
|
|
// Utilities for working with CSS colors
|
|
static void RgbToColorName(GlobalObject& aGlobal, uint8_t aR, uint8_t aG,
|
|
uint8_t aB, nsAString& aResult, ErrorResult& aRv);
|
|
|
|
// Convert a given CSS color string to rgba. Returns null on failure or an
|
|
// InspectorRGBATuple on success.
|
|
//
|
|
// NOTE: Converting a color to RGBA may be lossy when converting from some
|
|
// formats e.g. CMYK.
|
|
static void ColorToRGBA(GlobalObject& aGlobal, const nsAString& aColorString,
|
|
Nullable<InspectorRGBATuple>& aResult);
|
|
|
|
// Check whether a given color is a valid CSS color.
|
|
static bool IsValidCSSColor(GlobalObject& aGlobal,
|
|
const nsAString& aColorString);
|
|
|
|
// Utilities for obtaining information about a CSS property.
|
|
|
|
// Get a list of the longhands corresponding to the given CSS property. If
|
|
// the property is a longhand already, just returns the property itself.
|
|
// Throws on unsupported property names.
|
|
static void GetSubpropertiesForCSSProperty(GlobalObject& aGlobal,
|
|
const nsAString& aProperty,
|
|
nsTArray<nsString>& aResult,
|
|
ErrorResult& aRv);
|
|
|
|
// Check whether a given CSS property is a shorthand. Throws on unsupported
|
|
// property names.
|
|
static bool CssPropertyIsShorthand(GlobalObject& aGlobal,
|
|
const nsAString& aProperty,
|
|
ErrorResult& aRv);
|
|
|
|
// Check whether values of the given type are valid values for the property.
|
|
// For shorthands, checks whether there's a corresponding longhand property
|
|
// that accepts values of this type. Throws on unsupported properties or
|
|
// unknown types.
|
|
static bool CssPropertySupportsType(GlobalObject& aGlobal,
|
|
const nsAString& aProperty,
|
|
InspectorPropertyType, ErrorResult& aRv);
|
|
|
|
static bool IsIgnorableWhitespace(GlobalObject& aGlobalObject,
|
|
CharacterData& aDataNode) {
|
|
return IsIgnorableWhitespace(aDataNode);
|
|
}
|
|
static bool IsIgnorableWhitespace(CharacterData& aDataNode);
|
|
|
|
// Returns the "parent" of a node. The parent of a document node is the
|
|
// frame/iframe containing that document. aShowingAnonymousContent says
|
|
// whether we are showing anonymous content.
|
|
static nsINode* GetParentForNode(nsINode& aNode,
|
|
bool aShowingAnonymousContent);
|
|
static nsINode* GetParentForNode(GlobalObject& aGlobalObject, nsINode& aNode,
|
|
bool aShowingAnonymousContent) {
|
|
return GetParentForNode(aNode, aShowingAnonymousContent);
|
|
}
|
|
|
|
static already_AddRefed<nsINodeList> GetChildrenForNode(
|
|
GlobalObject& aGlobalObject, nsINode& aNode,
|
|
bool aShowingAnonymousContent) {
|
|
return GetChildrenForNode(aNode, aShowingAnonymousContent);
|
|
}
|
|
static already_AddRefed<nsINodeList> GetChildrenForNode(
|
|
nsINode& aNode, bool aShowingAnonymousContent);
|
|
|
|
static void GetBindingURLs(GlobalObject& aGlobal, Element& aElement,
|
|
nsTArray<nsString>& aResult);
|
|
|
|
/**
|
|
* Setting and removing content state on an element. Both these functions
|
|
* call EventStateManager::SetContentState internally; the difference is
|
|
* that for the remove case we simply pass in nullptr for the element.
|
|
* Use them accordingly.
|
|
*
|
|
* When removing the active state, you may optionally also clear the active
|
|
* document as well by setting aClearActiveDocument
|
|
*
|
|
* @return Returns true if the state was set successfully. See more details
|
|
* in EventStateManager.h SetContentState.
|
|
*/
|
|
static bool SetContentState(GlobalObject& aGlobal, Element& aElement,
|
|
uint64_t aState, ErrorResult& aRv);
|
|
static bool RemoveContentState(GlobalObject& aGlobal, Element& aElement,
|
|
uint64_t aState, bool aClearActiveDocument,
|
|
ErrorResult& aRv);
|
|
static uint64_t GetContentState(GlobalObject& aGlobal, Element& aElement);
|
|
|
|
static void GetUsedFontFaces(GlobalObject& aGlobal, nsRange& aRange,
|
|
uint32_t aMaxRanges, // max number of ranges to
|
|
// record for each face
|
|
bool aSkipCollapsedWhitespace,
|
|
nsTArray<nsAutoPtr<InspectorFontFace>>& aResult,
|
|
ErrorResult& aRv);
|
|
|
|
/**
|
|
* Get the names of all the supported pseudo-elements.
|
|
* Pseudo-elements which are only accepted in UA style sheets are
|
|
* not included.
|
|
*/
|
|
static void GetCSSPseudoElementNames(GlobalObject& aGlobal,
|
|
nsTArray<nsString>& aResult);
|
|
|
|
// pseudo-class style locking methods. aPseudoClass must be a valid
|
|
// pseudo-class selector string, e.g. ":hover". ":any-link" and
|
|
// non-event-state pseudo-classes are ignored. aEnabled sets whether the
|
|
// psuedo-class should be locked to on or off.
|
|
static void AddPseudoClassLock(GlobalObject& aGlobal, Element& aElement,
|
|
const nsAString& aPseudoClass, bool aEnabled);
|
|
static void RemovePseudoClassLock(GlobalObject& aGlobal, Element& aElement,
|
|
const nsAString& aPseudoClass);
|
|
static bool HasPseudoClassLock(GlobalObject& aGlobal, Element& aElement,
|
|
const nsAString& aPseudoClass);
|
|
static void ClearPseudoClassLocks(GlobalObject& aGlobal, Element& aElement);
|
|
|
|
/**
|
|
* Parse CSS and update the style sheet in place.
|
|
*
|
|
* @param DOMCSSStyleSheet aSheet
|
|
* @param DOMString aInput
|
|
* The new source string for the style sheet.
|
|
*/
|
|
static void ParseStyleSheet(GlobalObject& aGlobal, StyleSheet& aSheet,
|
|
const nsAString& aInput, ErrorResult& aRv);
|
|
|
|
/**
|
|
* Check if the provided name can be custom element name.
|
|
*/
|
|
static bool IsCustomElementName(GlobalObject&, const nsAString& aName,
|
|
const nsAString& aNamespaceURI);
|
|
|
|
private:
|
|
static already_AddRefed<ComputedStyle> GetCleanComputedStyleForElement(
|
|
Element* aElement, nsAtom* aPseudo);
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_dom_InspectorUtils_h
|