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* VisualEditor Initialization Platform class.
*
* @copyright See AUTHORS.txt
*/
/**
* Generic Initialization platform.
*
* @abstract
* @mixins OO.EventEmitter
*
* @constructor
*/
ve.init.Platform = function VeInitPlatform() {
// Mixin constructors
OO.EventEmitter.call( this );
this.localStorage = this.createLocalStorage();
this.sessionStorage = this.createSessionStorage();
// Register
ve.init.platform = this;
// Provide messages to OOUI
OO.ui.getUserLanguages = this.getUserLanguages.bind( this );
OO.ui.msg = this.getMessage.bind( this );
// Notify those waiting for a platform that they can finish initialization
setTimeout( function () {
ve.init.Platform.static.deferredPlatform.resolve( ve.init.platform );
} );
};
/* Inheritance */
OO.mixinClass( ve.init.Platform, OO.EventEmitter );
/* Static Properties */
/**
* A jQuery.Deferred that tracks when the platform has been created.
*
* @private
*/
ve.init.Platform.static.deferredPlatform = ve.createDeferred();
/**
* A promise that tracks when ve.init.platform is ready for use. When
* this promise is resolved the platform will have been created and
* initialized.
*
* This promise is safe to access early in VE startup before
* `ve.init.platform` has been set.
*
* @property {jQuery.Promise}
*/
ve.init.Platform.static.initializedPromise = ve.init.Platform.static.deferredPlatform.promise().then( function ( platform ) {
return platform.getInitializedPromise();
} );
/* Static Methods */
/**
* Get client platform string from browser.
*
* @static
* @inheritable
* @return {string} Client platform string
*/
ve.init.Platform.static.getSystemPlatform = function () {
return $.client.profile().platform;
};
/**
* Check whether we are running in Edge.
*
* @static
* @inheritable
* @return {boolean} We are in Edge
*/
ve.init.Platform.static.isEdge = function () {
return $.client.profile().name === 'edge';
};
/**
* Check whether we are running on iOS
*
* @static
* @inheritable
* @return {boolean} We are running on iOS
*/
ve.init.Platform.static.isIos = function () {
return /ipad|iphone|ipod/i.test( navigator.userAgent );
};
/* Methods */
/**
* Get an anchored regular expression that matches allowed external link URLs
* starting at the beginning of an input string.
*
* @abstract
* @return {RegExp} Regular expression object
*/
ve.init.Platform.prototype.getExternalLinkUrlProtocolsRegExp = null;
/**
* Get an unanchored regular expression that matches allowed external link URLs
* anywhere in an input string.
*
* @abstract
* @return {RegExp} Regular expression object
*/
ve.init.Platform.prototype.getUnanchoredExternalLinkUrlProtocolsRegExp = null;
/**
* Get a regular expression that matches IDs used only for linking document
* data to metadata. Use null if your document format does not have such IDs.
*
* @return {RegExp|null} Regular expression object
*/
ve.init.Platform.prototype.getMetadataIdRegExp = function () {
return null;
};
/**
* Show a read-only notification to the user.
*
* @abstract
* @param {jQuery|string} message
* @param {jQuery|string} [title]
*/
ve.init.Platform.prototype.notify = null;
/**
* Get a platform config value
*
* @abstract
* @param {string|string[]} key Config key, or list of keys
* @return {Mixed|Object} Config value, or keyed object of config values if list of keys provided
*/
ve.init.Platform.prototype.getConfig = null;
/**
* Get a user config value
*
* @abstract
* @param {string|string[]} key Config key, or list of keys
* @return {Mixed|Object} Config value, or keyed object of config values if list of keys provided
*/
ve.init.Platform.prototype.getUserConfig = null;
/**
* Set a user config value
*
* @abstract
* @param {string|Object} keyOrValueMap Key to set value for, or object mapping keys to values
* @param {Mixed} [value] Value to set (optional, only in use when key is a string)
*/
ve.init.Platform.prototype.setUserConfig = null;
/**
* Create a safe storage object
*
* @abstract
* @return {ve.init.SafeStorage}
*/
ve.init.Platform.prototype.createSafeStorage = null;
/**
* Create a list storage object from a safe storage object
*
* @param {ve.init.SafeStorage} safeStorage
* @return {ve.init.ConflictableStorage}
*/
ve.init.Platform.prototype.createConflictableStorage = function ( safeStorage ) {
return ve.init.createConflictableStorage( safeStorage );
};
ve.init.Platform.prototype.createLocalStorage = function () {
var localStorage;
try {
localStorage = window.localStorage;
} catch ( e ) {}
return this.createConflictableStorage( this.createSafeStorage( localStorage ) );
};
ve.init.Platform.prototype.createSessionStorage = function () {
var sessionStorage;
try {
sessionStorage = window.sessionStorage;
} catch ( e ) {}
return this.createConflictableStorage( this.createSafeStorage( sessionStorage ) );
};
/**
* Add multiple messages to the localization system.
*
* @abstract
* @param {Object} messages Containing plain message values
*/
ve.init.Platform.prototype.addMessages = null;
/**
* Get a message from the localization system.
*
* @abstract
* @param {string} key Message key
* @param {...Mixed} [args] List of arguments which will be injected at $1, $2, etc. in the message
* @return {string} Localized message, or key or '<' + key + '>' if message not found
*/
ve.init.Platform.prototype.getMessage = null;
/**
* Get the current user's name, if the platform supports it
*
* @return {string|null} User name, or null if not applicable
*/
ve.init.Platform.prototype.getUserName = function () {
return null;
};
/**
* Parse a string into a number
*
* @abstract
* @param {string} value String to be converted
* @return {number} Number value, NaN if not a number
*/
ve.init.Platform.prototype.parseNumber = null;
/**
* For a number as a string
*
* @abstract
* @param {number} number Number to be formatted
* @return {string} Formatted number
*/
ve.init.Platform.prototype.formatNumber = null;
/**
* Get an HTML message from the localization system, with HTML or DOM arguments
*
* @abstract
* @param {string} key Message key
* @param {...Mixed} [args] List of arguments which will be injected at $1, $2, etc. in the message
* @return {Node[]} Localized message, or key or '<' + key + '>' if message not found
*/
ve.init.Platform.prototype.getHtmlMessage = null;
/**
* Add multiple parsed messages to the localization system.
*
* @abstract
* @param {Object} messages Map of message-key/html pairs
*/
ve.init.Platform.prototype.addParsedMessages = null;
/**
* Get a parsed message as HTML string.
*
* Does not support $# replacements.
*
* @abstract
* @param {string} key Message key
* @return {string} Parsed localized message as HTML string
*/
ve.init.Platform.prototype.getParsedMessage = null;
/**
* Get the user language and any fallback languages.
*
* @abstract
* @return {string[]} User language strings
*/
ve.init.Platform.prototype.getUserLanguages = null;
/**
* Get a list of URL entry points where media can be found.
*
* @abstract
* @return {string[]} API URLs
*/
ve.init.Platform.prototype.getMediaSources = null;
/**
* Get a list of all language codes.
*
* @abstract
* @return {string[]} Language codes
*/
ve.init.Platform.prototype.getLanguageCodes = null;
/**
* Check if a language code is known to this platform.
*
* @param {string} code Language code
* @return {boolean} Language code is known
*/
ve.init.Platform.prototype.hasLanguageCode = function ( code ) {
return this.getLanguageCodes().indexOf( code ) !== -1;
};
/**
* Get a language's name from its code, in the current user language if possible.
*
* @abstract
* @param {string} code Language code
* @return {string} Language name
*/
ve.init.Platform.prototype.getLanguageName = null;
/**
* Get a language's autonym from its code.
*
* @abstract
* @param {string} code Language code
* @return {string} Language autonym
*/
ve.init.Platform.prototype.getLanguageAutonym = null;
/**
* Get a language's direction from its code.
*
* @abstract
* @param {string} code Language code
* @return {string} Language direction
*/
ve.init.Platform.prototype.getLanguageDirection = null;
/**
* Initialize the platform. The default implementation is to do nothing and return a resolved
* promise. Subclasses should override this if they have asynchronous initialization work to do.
* The promise rejects if the platform is incompatible.
*
* External callers should not call this. Instead, call #getInitializedPromise.
*
* @private
* @return {jQuery.Promise} Promise that will be resolved once initialization is done
*/
ve.init.Platform.prototype.initialize = function () {
Iif ( !VisualEditorSupportCheck() ) {
return ve.createDeferred().reject().promise();
}
return ve.createDeferred().resolve().promise();
};
/**
* Get a promise to track when the platform has initialized. The platform won't be ready for use
* until this promise is resolved.
*
* Since the initialization only happens once, and the same (resolved) promise
* is returned when called again, and since the Platform instance is global
* (shared between different Target instances) it is important not to rely
* on this promise being asynchronous.
*
* @return {jQuery.Promise} Promise that will be resolved once the platform is ready
*/
ve.init.Platform.prototype.getInitializedPromise = function () {
if ( !this.initialized ) {
this.initialized = this.initialize();
}
return this.initialized;
};
/**
* Post-process the symbol list.
*
* If a keyed object format is used, it is coverted to an array,
* and the label property is set from the key when required.
*
* For individual symbols, turns the `source` property into a CSS class.
*
* @param {Object|Array} symbols Symbol data
* @return {Object[]}
*/
ve.init.Platform.prototype.processSpecialCharSymbols = function ( symbols ) {
var symbolList;
if ( Array.isArray( symbols ) ) {
symbolList = ve.copy( symbols );
} else {
symbolList = [];
Object.keys( symbols ).forEach( function ( key ) {
var val = symbols[ key ];
if ( typeof val === 'object' ) {
var symbolData = ve.copy( val );
if ( !Object.prototype.hasOwnProperty.call( symbolData, 'label' ) ) {
symbolData.label = key;
}
symbolList.push( symbolData );
} else if ( key !== val ) {
symbolList.push( {
label: key,
string: val
} );
} else {
// Plain string
symbolList.push( val );
}
} );
}
symbolList.forEach( function ( symbol ) {
if ( symbol.source ) {
symbol.classes = symbol.classes || [];
symbol.classes.push( 've-ui-specialCharacterDialog-source' );
}
} );
return symbolList;
};
/**
* Fetch the special character list object
*
* Returns a promise which resolves with the character list
*
* @return {jQuery.Promise}
*/
ve.init.Platform.prototype.fetchSpecialCharList = function () {
function tryParseJSON( json ) {
try {
return JSON.parse( json );
} catch ( err ) {
// There was no character list found, or the character list message is
// invalid json string.
ve.log( 've.init.Platform: Could not parse the special character list ' + json );
ve.log( err.message );
}
return null;
}
var charsObj = {},
groups = [ 'accents', 'mathematical', 'symbols' ];
var platform = this;
groups.forEach( function ( group ) {
// The following messages are used here:
// * visualeditor-specialcharacter-group-set-accents
// * visualeditor-specialcharacter-group-set-mathematical
// * visualeditor-specialcharacter-group-set-symbols
var symbols = tryParseJSON( ve.msg( 'visualeditor-specialcharacter-group-set-' + group ) );
if ( symbols ) {
charsObj[ group ] = {
// The following messages are used here:
// * visualeditor-specialcharacter-group-label-accents
// * visualeditor-specialcharacter-group-label-mathematical
// * visualeditor-specialcharacter-group-label-symbols
label: ve.msg( 'visualeditor-specialcharacter-group-label-' + group ),
symbols: platform.processSpecialCharSymbols( symbols )
};
}
} );
// This implementation always resolves instantly
return ve.createDeferred().resolve( charsObj ).promise();
};
/**
* Decode HTML entities for insertion into the document
*
* @method
* @param {string} html HTML string
* @return {string}
*/
ve.init.Platform.prototype.decodeEntities = ve.safeDecodeEntities;
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