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gecko/tools/relic/test/relicense_inputs/need_to_relicense.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Original Author: Daniel Glazman <glazman@netscape.com>
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsHTMLCSSUtils_h__
#define nsHTMLCSSUtils_h__
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsIDOMViewCSS.h"
#include "nsIDOMNode.h"
#include "nsIDOMElement.h"
#include "nsIHTMLEditor.h"
#include "ChangeCSSInlineStyleTxn.h"
#include "nsEditProperty.h"
#include "nsIDOMCSSStyleDeclaration.h"
#include "nsTArray.h"
#define SPECIFIED_STYLE_TYPE 1
#define COMPUTED_STYLE_TYPE 2
class nsHTMLEditor;
typedef void (*nsProcessValueFunc)(const nsAString * aInputString, nsAString & aOutputString,
const char * aDefaultValueString,
const char * aPrependString, const char* aAppendString);
class nsHTMLCSSUtils
{
public:
nsHTMLCSSUtils();
~nsHTMLCSSUtils();
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
};
struct CSSEquivTable {
nsCSSEditableProperty cssProperty;
nsProcessValueFunc processValueFunctor;
const char * defaultValue;
const char * prependValue;
const char * appendValue;
PRBool gettable;
PRBool caseSensitiveValue;
};
public:
nsresult Init(nsHTMLEditor * aEditor);
/** answers true if the given combination element_name/attribute_name
* has a CSS equivalence in this implementation
*
* @return a boolean saying if the tag/attribute has a css equiv
* @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
*/
PRBool IsCSSEditableProperty(nsIDOMNode * 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(nsIDOMElement * aElement, nsIAtom * aProperty,
const nsAString & aValue,
PRBool aSuppressTransaction);
nsresult RemoveCSSProperty(nsIDOMElement * aElement, nsIAtom * aProperty,
const nsAString & aPropertyValue, PRBool aSuppressTransaction);
/** directly adds/remove a CSS declaration to the STYLE atrribute carried by
* a given element without going through the txn 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 RemoveCSSProperty(nsIDOMElement * aElement,
const nsAString & aProperty);
/** 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(nsIDOMNode *aNode, nsIAtom *aProperty,
nsAString & aValue);
nsresult GetComputedProperty(nsIDOMNode *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 rremove 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
*
* @return a boolean saying if the property can be remove by setting a "none" value
* @param aProperty [IN] an atom containing a CSS property
* @param aAttribute [IN] pointer to an attribute name or null if this information is irrelevant
*/
PRBool IsCSSInvertable(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
*/
nsresult 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
*/
nsresult GetDefaultLengthUnit(nsAString & aLengthUnit);
/** asnwers true if the element aElement carries an ID or a class
*
* @param aElement [IN] a DOM element
* @param aReturn [OUT] the boolean answer
*/
nsresult HasClassOrID(nsIDOMElement * aElement, PRBool & aReturn);
/** 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 nsnull if irrelevant
* @param aValueString [OUT] the list of css values
* @param aStyleType [IN] SPECIFIED_STYLE_TYPE to query the specified style values
COMPUTED_STYLE_TYPE to query the computed style values
*/
nsresult GetCSSEquivalentToHTMLInlineStyleSet(nsIDOMNode * aNode,
nsIAtom * aHTMLProperty,
const nsAString * aAttribute,
nsAString & aValueString,
PRUint8 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 nsnull 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] SPECIFIED_STYLE_TYPE to query the specified style values
COMPUTED_STYLE_TYPE to query the computed style values
*/
nsresult IsCSSEquivalentToHTMLInlineStyleSet(nsIDOMNode * aNode,
nsIAtom * aHTMLProperty,
const nsAString * aAttribute,
PRBool & aIsSet,
nsAString & aValueString,
PRUint8 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 nsnull 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
*/
nsresult SetCSSEquivalentToHTMLStyle(nsIDOMNode * aNode,
nsIAtom * aHTMLProperty,
const nsAString * aAttribute,
const nsAString * aValue,
PRInt32 * aCount,
PRBool 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 nsnull 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,
PRBool 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
*/
nsresult SetCSSEnabled(PRBool 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
*/
PRBool 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
*
* @return true if the two elements are considered to have same styles
* @param aFirstNode [IN] a DOM node
* @param aSecondNode [IN] a DOM node
*/
PRBool 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 attr
* @param aLength [OUT] the number of declarations in aCssDecl
*/
nsresult GetInlineStyles(nsIDOMElement * aElement, nsIDOMCSSStyleDeclaration ** aCssDecl,
PRUint32 * aLength);
/** 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)
*/
nsresult GetElementContainerOrSelf(nsIDOMNode * aNode, nsIDOMElement ** aElement);
/** Gets the default DOMView for a given node
*
* @param aNode the node we want the default DOMView for
* @param aViewCSS [OUT] the default DOMViewCSS
*/
nsresult GetDefaultViewCSS(nsIDOMNode * aNode, nsIDOMViewCSS ** aViewCSS);
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(nsVoidArray & aPropertyArray,
nsTArray<nsString> & cssValueArray,
const CSSEquivTable * aEquivTable,
const nsAString * aValue,
PRBool 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 nsnull 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(nsIDOMNode * aNode,
nsIAtom * aHTMLProperty,
const nsAString *aAttribute,
const nsAString *aValue,
nsVoidArray & aPropertyArray,
nsTArray<nsString> & aValueArray,
PRBool aGetOrRemoveRequest);
/** creates a Transaction for setting or removing a css property
*
* @param aElement [IN] a DOM element
* @param aProperty [IN] a CSS property
* @param aValue [IN] the value to remove for this CSS property or the empty string if irrelevant
* @param aTxn [OUT] the created transaction
* @param aRemoveProperty [IN] true if we create a "remove" transaction, false for a "set"
*/
nsresult CreateCSSPropertyTxn(nsIDOMElement * aElement,
nsIAtom * aProperty,
const nsAString & aValue,
ChangeCSSInlineStyleTxn ** aTxn,
PRBool aRemoveProperty);
/** 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 aViewCSS [IN] the ViewCSS we need in case we query computed styles
* @param aStyleType [IN] SPECIFIED_STYLE_TYPE to query the specified style values
COMPUTED_STYLE_TYPE to query the computed style values
*/
nsresult GetCSSInlinePropertyBase(nsIDOMNode * aNode, nsIAtom * aProperty,
nsAString & aValue,
nsIDOMViewCSS * aViewCSS,
PRUint8 aStyleType);
private:
nsHTMLEditor *mHTMLEditor;
PRBool mIsCSSPrefChecked;
};
nsresult NS_NewHTMLCSSUtils(nsHTMLCSSUtils** aInstancePtrResult);
#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
#endif /* nsHTMLCSSUtils_h__ */
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