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https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
473
editor/libeditor/CSSEditUtils.h
Normal file
473
editor/libeditor/CSSEditUtils.h
Normal file
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@ -0,0 +1,473 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/* 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_CSSEditUtils_h
|
||||
#define mozilla_CSSEditUtils_h
|
||||
|
||||
#include "mozilla/ChangeStyleTransaction.h" // for ChangeStyleTransaction
|
||||
#include "nsCOMPtr.h" // for already_AddRefed
|
||||
#include "nsTArray.h" // for nsTArray
|
||||
#include "nscore.h" // for nsAString, nsresult, nullptr
|
||||
|
||||
class nsComputedDOMStyle;
|
||||
class nsIAtom;
|
||||
class nsIContent;
|
||||
class nsIDOMCSSStyleDeclaration;
|
||||
class nsIDOMElement;
|
||||
class nsIDOMNode;
|
||||
class nsINode;
|
||||
class nsString;
|
||||
|
||||
namespace mozilla {
|
||||
|
||||
class HTMLEditor;
|
||||
namespace dom {
|
||||
class Element;
|
||||
} // namespace dom
|
||||
|
||||
typedef void (*nsProcessValueFunc)(const nsAString* aInputString,
|
||||
nsAString& aOutputString,
|
||||
const char* aDefaultValueString,
|
||||
const char* aPrependString,
|
||||
const char* aAppendString);
|
||||
|
||||
class CSSEditUtils final
|
||||
{
|
||||
public:
|
||||
explicit CSSEditUtils(HTMLEditor* aEditor);
|
||||
~CSSEditUtils();
|
||||
|
||||
enum nsCSSEditableProperty
|
||||
{
|
||||
eCSSEditableProperty_NONE=0,
|
||||
eCSSEditableProperty_background_color,
|
||||
eCSSEditableProperty_background_image,
|
||||
eCSSEditableProperty_border,
|
||||
eCSSEditableProperty_caption_side,
|
||||
eCSSEditableProperty_color,
|
||||
eCSSEditableProperty_float,
|
||||
eCSSEditableProperty_font_family,
|
||||
eCSSEditableProperty_font_size,
|
||||
eCSSEditableProperty_font_style,
|
||||
eCSSEditableProperty_font_weight,
|
||||
eCSSEditableProperty_height,
|
||||
eCSSEditableProperty_list_style_type,
|
||||
eCSSEditableProperty_margin_left,
|
||||
eCSSEditableProperty_margin_right,
|
||||
eCSSEditableProperty_text_align,
|
||||
eCSSEditableProperty_text_decoration,
|
||||
eCSSEditableProperty_vertical_align,
|
||||
eCSSEditableProperty_whitespace,
|
||||
eCSSEditableProperty_width
|
||||
};
|
||||
|
||||
enum StyleType { eSpecified, eComputed };
|
||||
|
||||
|
||||
struct CSSEquivTable
|
||||
{
|
||||
nsCSSEditableProperty cssProperty;
|
||||
nsProcessValueFunc processValueFunctor;
|
||||
const char* defaultValue;
|
||||
const char* prependValue;
|
||||
const char* appendValue;
|
||||
bool gettable;
|
||||
bool caseSensitiveValue;
|
||||
};
|
||||
|
||||
/**
|
||||
* Answers true if the given combination element_name/attribute_name
|
||||
* has a CSS equivalence in this implementation.
|
||||
*
|
||||
* @param aNode [IN] A DOM node.
|
||||
* @param aProperty [IN] An atom containing a HTML tag name.
|
||||
* @param aAttribute [IN] A string containing the name of a HTML
|
||||
* attribute carried by the element above.
|
||||
* @return A boolean saying if the tag/attribute has a CSS
|
||||
* equiv.
|
||||
*/
|
||||
bool IsCSSEditableProperty(nsINode* aNode, nsIAtom* aProperty,
|
||||
const nsAString* aAttribute);
|
||||
|
||||
/**
|
||||
* Adds/remove a CSS declaration to the STYLE atrribute carried by a given
|
||||
* element.
|
||||
*
|
||||
* @param aElement [IN] A DOM element.
|
||||
* @param aProperty [IN] An atom containing the CSS property to set.
|
||||
* @param aValue [IN] A string containing the value of the CSS
|
||||
* property.
|
||||
* @param aSuppressTransaction [IN] A boolean indicating, when true,
|
||||
* that no transaction should be recorded.
|
||||
*/
|
||||
nsresult SetCSSProperty(dom::Element& aElement, nsIAtom& aProperty,
|
||||
const nsAString& aValue, bool aSuppressTxn = false);
|
||||
nsresult SetCSSPropertyPixels(dom::Element& aElement,
|
||||
nsIAtom& aProperty, int32_t aIntValue);
|
||||
nsresult RemoveCSSProperty(dom::Element& aElement,
|
||||
nsIAtom& aProperty,
|
||||
const nsAString& aPropertyValue,
|
||||
bool aSuppressTxn = false);
|
||||
|
||||
/**
|
||||
* Directly adds/remove a CSS declaration to the STYLE atrribute carried by
|
||||
* a given element without going through the transaction manager.
|
||||
*
|
||||
* @param aElement [IN] A DOM element.
|
||||
* @param aProperty [IN] A string containing the CSS property to
|
||||
* set/remove.
|
||||
* @param aValue [IN] A string containing the new value of the CSS
|
||||
* property.
|
||||
*/
|
||||
nsresult SetCSSProperty(nsIDOMElement* aElement,
|
||||
const nsAString& aProperty,
|
||||
const nsAString& aValue);
|
||||
nsresult SetCSSPropertyPixels(nsIDOMElement* aElement,
|
||||
const nsAString& aProperty,
|
||||
int32_t aIntValue);
|
||||
|
||||
/**
|
||||
* Gets the specified/computed style value of a CSS property for a given
|
||||
* node (or its element ancestor if it is not an element).
|
||||
*
|
||||
* @param aNode [IN] A DOM node.
|
||||
* @param aProperty [IN] An atom containing the CSS property to get.
|
||||
* @param aPropertyValue [OUT] The retrieved value of the property.
|
||||
*/
|
||||
nsresult GetSpecifiedProperty(nsINode& aNode, nsIAtom& aProperty,
|
||||
nsAString& aValue);
|
||||
nsresult GetComputedProperty(nsINode& aNode, nsIAtom& aProperty,
|
||||
nsAString& aValue);
|
||||
|
||||
/**
|
||||
* Removes a CSS property from the specified declarations in STYLE attribute
|
||||
* and removes the node if it is an useless span.
|
||||
*
|
||||
* @param aNode [IN] The specific node we want to remove a style
|
||||
* from.
|
||||
* @param aProperty [IN] The CSS property atom to remove.
|
||||
* @param aPropertyValue [IN] The value of the property we have to remove
|
||||
* if the property accepts more than one value.
|
||||
*/
|
||||
nsresult RemoveCSSInlineStyle(nsIDOMNode* aNode, nsIAtom* aProperty,
|
||||
const nsAString& aPropertyValue);
|
||||
|
||||
/**
|
||||
* Answers true is the property can be removed by setting a "none" CSS value
|
||||
* on a node.
|
||||
*
|
||||
* @param aProperty [IN] An atom containing a CSS property.
|
||||
* @param aAttribute [IN] Pointer to an attribute name or null if this
|
||||
* information is irrelevant.
|
||||
* @return A boolean saying if the property can be remove by
|
||||
* setting a "none" value.
|
||||
*/
|
||||
bool IsCSSInvertible(nsIAtom& aProperty, const nsAString* aAttribute);
|
||||
|
||||
/**
|
||||
* Get the default browser background color if we need it for
|
||||
* GetCSSBackgroundColorState().
|
||||
*
|
||||
* @param aColor [OUT] The default color as it is defined in prefs.
|
||||
*/
|
||||
void GetDefaultBackgroundColor(nsAString& aColor);
|
||||
|
||||
/**
|
||||
* Get the default length unit used for CSS Indent/Outdent.
|
||||
*
|
||||
* @param aLengthUnit [OUT] The default length unit as it is defined in
|
||||
* prefs.
|
||||
*/
|
||||
void GetDefaultLengthUnit(nsAString & aLengthUnit);
|
||||
|
||||
/**
|
||||
* Returns the list of values for the CSS equivalences to
|
||||
* the passed HTML style for the passed node.
|
||||
*
|
||||
* @param aNode [IN] A DOM node.
|
||||
* @param aHTMLProperty [IN] An atom containing an HTML property.
|
||||
* @param aAttribute [IN] A pointer to an attribute name or nullptr if
|
||||
* irrelevant.
|
||||
* @param aValueString [OUT] The list of CSS values.
|
||||
* @param aStyleType [IN] eSpecified or eComputed.
|
||||
*/
|
||||
nsresult GetCSSEquivalentToHTMLInlineStyleSet(nsINode* aNode,
|
||||
nsIAtom* aHTMLProperty,
|
||||
const nsAString* aAttribute,
|
||||
nsAString& aValueString,
|
||||
StyleType aStyleType);
|
||||
|
||||
/**
|
||||
* Does the node aNode (or his parent if it is not an element node) carries
|
||||
* the CSS equivalent styles to the HTML style for this node ?
|
||||
*
|
||||
* @param aNode [IN] A DOM node.
|
||||
* @param aHTMLProperty [IN] An atom containing an HTML property.
|
||||
* @param aAttribute [IN] A pointer to an attribute name or nullptr if
|
||||
* irrelevant.
|
||||
* @param aIsSet [OUT] A boolean being true if the css properties are
|
||||
* set.
|
||||
* @param aValueString [IN/OUT] The attribute value (in) the list of CSS
|
||||
* values (out).
|
||||
* @param aStyleType [IN] eSpecified or eComputed.
|
||||
*
|
||||
* The nsIContent variant returns aIsSet instead of using an out parameter.
|
||||
*/
|
||||
bool IsCSSEquivalentToHTMLInlineStyleSet(nsINode* aContent,
|
||||
nsIAtom* aProperty,
|
||||
const nsAString* aAttribute,
|
||||
const nsAString& aValue,
|
||||
StyleType aStyleType);
|
||||
|
||||
bool IsCSSEquivalentToHTMLInlineStyleSet(nsINode* aContent,
|
||||
nsIAtom* aProperty,
|
||||
const nsAString* aAttribute,
|
||||
nsAString& aValue,
|
||||
StyleType aStyleType);
|
||||
|
||||
nsresult IsCSSEquivalentToHTMLInlineStyleSet(nsIDOMNode* aNode,
|
||||
nsIAtom* aHTMLProperty,
|
||||
const nsAString* aAttribute,
|
||||
bool& aIsSet,
|
||||
nsAString& aValueString,
|
||||
StyleType aStyleType);
|
||||
|
||||
/**
|
||||
* Adds to the node the CSS inline styles equivalent to the HTML style
|
||||
* and return the number of CSS properties set by the call.
|
||||
*
|
||||
* @param aNode [IN] A DOM node.
|
||||
* @param aHTMLProperty [IN] An atom containing an HTML property.
|
||||
* @param aAttribute [IN] A pointer to an attribute name or nullptr if
|
||||
* irrelevant.
|
||||
* @param aValue [IN] The attribute value.
|
||||
* @param aCount [OUT] The number of CSS properties set by the call.
|
||||
* @param aSuppressTransaction [IN] A boolean indicating, when true,
|
||||
* that no transaction should be recorded.
|
||||
*
|
||||
* aCount is returned by the dom::Element variant instead of being an out
|
||||
* parameter.
|
||||
*/
|
||||
int32_t SetCSSEquivalentToHTMLStyle(dom::Element* aElement,
|
||||
nsIAtom* aProperty,
|
||||
const nsAString* aAttribute,
|
||||
const nsAString* aValue,
|
||||
bool aSuppressTransaction);
|
||||
nsresult SetCSSEquivalentToHTMLStyle(nsIDOMNode* aNode,
|
||||
nsIAtom* aHTMLProperty,
|
||||
const nsAString* aAttribute,
|
||||
const nsAString* aValue,
|
||||
int32_t* aCount,
|
||||
bool aSuppressTransaction);
|
||||
|
||||
/**
|
||||
* Removes from the node the CSS inline styles equivalent to the HTML style.
|
||||
*
|
||||
* @param aNode [IN] A DOM node.
|
||||
* @param aHTMLProperty [IN] An atom containing an HTML property.
|
||||
* @param aAttribute [IN] A pointer to an attribute name or nullptr if
|
||||
* irrelevant.
|
||||
* @param aValue [IN] The attribute value.
|
||||
* @param aSuppressTransaction [IN] A boolean indicating, when true,
|
||||
* that no transaction should be recorded.
|
||||
*/
|
||||
nsresult RemoveCSSEquivalentToHTMLStyle(nsIDOMNode* aNode,
|
||||
nsIAtom* aHTMLProperty,
|
||||
const nsAString* aAttribute,
|
||||
const nsAString* aValue,
|
||||
bool aSuppressTransaction);
|
||||
|
||||
/**
|
||||
* Removes from the node the CSS inline styles equivalent to the HTML style.
|
||||
*
|
||||
* @param aElement [IN] A DOM Element (must not be null).
|
||||
* @param aHTMLProperty [IN] An atom containing an HTML property.
|
||||
* @param aAttribute [IN] A pointer to an attribute name or nullptr if
|
||||
* irrelevant.
|
||||
* @param aValue [IN] The attribute value.
|
||||
* @param aSuppressTransaction [IN] A boolean indicating, when true,
|
||||
* that no transaction should be recorded.
|
||||
*/
|
||||
nsresult RemoveCSSEquivalentToHTMLStyle(dom::Element* aElement,
|
||||
nsIAtom* aHTMLProperty,
|
||||
const nsAString* aAttribute,
|
||||
const nsAString* aValue,
|
||||
bool aSuppressTransaction);
|
||||
|
||||
/**
|
||||
* Parses a "xxxx.xxxxxuuu" string where x is a digit and u an alpha char
|
||||
* we need such a parser because
|
||||
* nsIDOMCSSStyleDeclaration::GetPropertyCSSValue() is not implemented.
|
||||
*
|
||||
* @param aString [IN] Input string to parse.
|
||||
* @param aValue [OUT] Numeric part.
|
||||
* @param aUnit [OUT] Unit part.
|
||||
*/
|
||||
void ParseLength(const nsAString& aString, float* aValue, nsIAtom** aUnit);
|
||||
|
||||
/**
|
||||
* Sets the mIsCSSPrefChecked private member; used as callback from observer
|
||||
* when the CSS pref state is changed.
|
||||
*
|
||||
* @param aIsCSSPrefChecked [IN] The new boolean state for the pref.
|
||||
*/
|
||||
void SetCSSEnabled(bool aIsCSSPrefChecked);
|
||||
|
||||
/**
|
||||
* Retrieves the mIsCSSPrefChecked private member, true if the CSS pref is
|
||||
* checked, false if it is not.
|
||||
*
|
||||
* @return the boolean value of the CSS pref.
|
||||
*/
|
||||
bool IsCSSPrefChecked();
|
||||
|
||||
/**
|
||||
* ElementsSameStyle compares two elements and checks if they have the same
|
||||
* specified CSS declarations in the STYLE attribute.
|
||||
* The answer is always false if at least one of them carries an ID or a
|
||||
* class.
|
||||
*
|
||||
* @param aFirstNode [IN] A DOM node.
|
||||
* @param aSecondNode [IN] A DOM node.
|
||||
* @return true if the two elements are considered to
|
||||
* have same styles.
|
||||
*/
|
||||
bool ElementsSameStyle(dom::Element* aFirstNode,
|
||||
dom::Element* aSecondNode);
|
||||
bool ElementsSameStyle(nsIDOMNode* aFirstNode, nsIDOMNode* aSecondNode);
|
||||
|
||||
/**
|
||||
* Get the specified inline styles (style attribute) for an element.
|
||||
*
|
||||
* @param aElement [IN] The element node.
|
||||
* @param aCssDecl [OUT] The CSS declaration corresponding to the
|
||||
* style attribute.
|
||||
* @param aLength [OUT] The number of declarations in aCssDecl.
|
||||
*/
|
||||
nsresult GetInlineStyles(dom::Element* aElement,
|
||||
nsIDOMCSSStyleDeclaration** aCssDecl,
|
||||
uint32_t* aLength);
|
||||
nsresult GetInlineStyles(nsIDOMElement* aElement,
|
||||
nsIDOMCSSStyleDeclaration** aCssDecl,
|
||||
uint32_t* aLength);
|
||||
private:
|
||||
nsresult GetInlineStyles(nsISupports* aElement,
|
||||
nsIDOMCSSStyleDeclaration** aCssDecl,
|
||||
uint32_t* aLength);
|
||||
|
||||
public:
|
||||
/**
|
||||
* Returns aNode itself if it is an element node, or the first ancestors
|
||||
* being an element node if aNode is not one itself.
|
||||
*
|
||||
* @param aNode [IN] A node
|
||||
* @param aElement [OUT] The deepest element node containing aNode
|
||||
* (possibly aNode itself)
|
||||
*/
|
||||
dom::Element* GetElementContainerOrSelf(nsINode* aNode);
|
||||
already_AddRefed<nsIDOMElement> GetElementContainerOrSelf(nsIDOMNode* aNode);
|
||||
|
||||
/**
|
||||
* Gets the computed style for a given element. Can return null.
|
||||
*/
|
||||
already_AddRefed<nsComputedDOMStyle> GetComputedStyle(dom::Element* aElement);
|
||||
|
||||
private:
|
||||
/**
|
||||
* Retrieves the CSS property atom from an enum.
|
||||
*
|
||||
* @param aProperty [IN] The enum value for the property.
|
||||
* @param aAtom [OUT] The corresponding atom.
|
||||
*/
|
||||
void GetCSSPropertyAtom(nsCSSEditableProperty aProperty, nsIAtom** aAtom);
|
||||
|
||||
/**
|
||||
* Retrieves the CSS declarations equivalent to a HTML style value for
|
||||
* a given equivalence table.
|
||||
*
|
||||
* @param aPropertyArray [OUT] The array of css properties.
|
||||
* @param aValueArray [OUT] The array of values for the CSS properties
|
||||
* above.
|
||||
* @param aEquivTable [IN] The equivalence table.
|
||||
* @param aValue [IN] The HTML style value.
|
||||
* @param aGetOrRemoveRequest [IN] A boolean value being true if the call to
|
||||
* the current method is made for
|
||||
* GetCSSEquivalentToHTMLInlineStyleSet() or
|
||||
* RemoveCSSEquivalentToHTMLInlineStyleSet().
|
||||
*/
|
||||
void BuildCSSDeclarations(nsTArray<nsIAtom*>& aPropertyArray,
|
||||
nsTArray<nsString>& cssValueArray,
|
||||
const CSSEquivTable* aEquivTable,
|
||||
const nsAString* aValue,
|
||||
bool aGetOrRemoveRequest);
|
||||
|
||||
/**
|
||||
* Retrieves the CSS declarations equivalent to the given HTML
|
||||
* property/attribute/value for a given node.
|
||||
*
|
||||
* @param aNode [IN] The DOM node.
|
||||
* @param aHTMLProperty [IN] An atom containing an HTML property.
|
||||
* @param aAttribute [IN] A pointer to an attribute name or nullptr
|
||||
* if irrelevant
|
||||
* @param aValue [IN] The attribute value.
|
||||
* @param aPropertyArray [OUT] The array of CSS properties.
|
||||
* @param aValueArray [OUT] The array of values for the CSS properties
|
||||
* above.
|
||||
* @param aGetOrRemoveRequest [IN] A boolean value being true if the call to
|
||||
* the current method is made for
|
||||
* GetCSSEquivalentToHTMLInlineStyleSet() or
|
||||
* RemoveCSSEquivalentToHTMLInlineStyleSet().
|
||||
*/
|
||||
void GenerateCSSDeclarationsFromHTMLStyle(dom::Element* aNode,
|
||||
nsIAtom* aHTMLProperty,
|
||||
const nsAString* aAttribute,
|
||||
const nsAString* aValue,
|
||||
nsTArray<nsIAtom*>& aPropertyArray,
|
||||
nsTArray<nsString>& aValueArray,
|
||||
bool aGetOrRemoveRequest);
|
||||
|
||||
/**
|
||||
* Creates a Transaction for setting or removing a CSS property. Never
|
||||
* returns null.
|
||||
*
|
||||
* @param aElement [IN] A DOM element.
|
||||
* @param aProperty [IN] A CSS property.
|
||||
* @param aValue [IN] The value to set for this CSS property.
|
||||
* @param aChangeType [IN] eSet to set, eRemove to remove.
|
||||
*/
|
||||
already_AddRefed<ChangeStyleTransaction>
|
||||
CreateCSSPropertyTxn(dom::Element& aElement,
|
||||
nsIAtom& aProperty, const nsAString& aValue,
|
||||
ChangeStyleTransaction::EChangeType aChangeType);
|
||||
|
||||
/**
|
||||
* Back-end for GetSpecifiedProperty and GetComputedProperty.
|
||||
*
|
||||
* @param aNode [IN] A DOM node.
|
||||
* @param aProperty [IN] A CSS property.
|
||||
* @param aValue [OUT] The retrieved value for this property.
|
||||
* @param aStyleType [IN] eSpecified or eComputed.
|
||||
*/
|
||||
nsresult GetCSSInlinePropertyBase(nsINode* aNode, nsIAtom* aProperty,
|
||||
nsAString& aValue, StyleType aStyleType);
|
||||
|
||||
private:
|
||||
HTMLEditor* mHTMLEditor;
|
||||
bool mIsCSSPrefChecked;
|
||||
};
|
||||
|
||||
#define NS_EDITOR_INDENT_INCREMENT_IN 0.4134f
|
||||
#define NS_EDITOR_INDENT_INCREMENT_CM 1.05f
|
||||
#define NS_EDITOR_INDENT_INCREMENT_MM 10.5f
|
||||
#define NS_EDITOR_INDENT_INCREMENT_PT 29.76f
|
||||
#define NS_EDITOR_INDENT_INCREMENT_PC 2.48f
|
||||
#define NS_EDITOR_INDENT_INCREMENT_EM 3
|
||||
#define NS_EDITOR_INDENT_INCREMENT_EX 6
|
||||
#define NS_EDITOR_INDENT_INCREMENT_PX 40
|
||||
#define NS_EDITOR_INDENT_INCREMENT_PERCENT 4
|
||||
|
||||
} // namespace mozilla
|
||||
|
||||
#endif // #ifndef mozilla_CSSEditUtils_h
|
||||
Loading…
Add table
Add a link
Reference in a new issue