* @singleton
*/
-/* eslint-disable no-use-before-define */
/* global Uint8Array */
( function ( mw, $ ) {
return mw.msg( sizeMsgs[ 0 ], Math.round( s ) );
}
+ /**
+ * Start loading a file into memory; when complete, pass it as a
+ * data URL to the callback function. If the callbackBinary is set it will
+ * first be read as binary and afterwards as data URL. Useful if you want
+ * to do preprocessing on the binary data first.
+ *
+ * @param {File} file
+ * @param {Function} callback
+ * @param {Function} callbackBinary
+ */
+ function fetchPreview( file, callback, callbackBinary ) {
+ var reader = new FileReader();
+ if ( callbackBinary && 'readAsBinaryString' in reader ) {
+ // To fetch JPEG metadata we need a binary string; start there.
+ // TODO
+ reader.onload = function () {
+ callbackBinary( reader.result );
+
+ // Now run back through the regular code path.
+ fetchPreview( file, callback );
+ };
+ reader.readAsBinaryString( file );
+ } else if ( callbackBinary && 'readAsArrayBuffer' in reader ) {
+ // readAsArrayBuffer replaces readAsBinaryString
+ // However, our JPEG metadata library wants a string.
+ // So, this is going to be an ugly conversion.
+ reader.onload = function () {
+ var i,
+ buffer = new Uint8Array( reader.result ),
+ string = '';
+ for ( i = 0; i < buffer.byteLength; i++ ) {
+ string += String.fromCharCode( buffer[ i ] );
+ }
+ callbackBinary( string );
+
+ // Now run back through the regular code path.
+ fetchPreview( file, callback );
+ };
+ reader.readAsArrayBuffer( file );
+ } else if ( 'URL' in window && 'createObjectURL' in window.URL ) {
+ // Supported in Firefox 4.0 and above <https://developer.mozilla.org/en/DOM/window.URL.createObjectURL>
+ // WebKit has it in a namespace for now but that's ok. ;)
+ //
+ // Lifetime of this URL is until document close, which is fine
+ // for Special:Upload -- if this code gets used on longer-running
+ // pages, add a revokeObjectURL() when it's no longer needed.
+ //
+ // Prefer this over readAsDataURL for Firefox 7 due to bug reading
+ // some SVG files from data URIs <https://bugzilla.mozilla.org/show_bug.cgi?id=694165>
+ callback( window.URL.createObjectURL( file ) );
+ } else {
+ // This ends up decoding the file to base-64 and back again, which
+ // feels horribly inefficient.
+ reader.onload = function () {
+ callback( reader.result );
+ };
+ reader.readAsDataURL( file );
+ }
+ }
+
+ /**
+ * Clear the file upload preview area.
+ */
+ function clearPreview() {
+ $( '#mw-upload-thumbnail' ).remove();
+ }
+
/**
* Show a thumbnail preview of PNG, JPEG, GIF, and SVG files prior to upload
* in browsers supporting HTML5 FileAPI.
} : null );
}
- /**
- * Start loading a file into memory; when complete, pass it as a
- * data URL to the callback function. If the callbackBinary is set it will
- * first be read as binary and afterwards as data URL. Useful if you want
- * to do preprocessing on the binary data first.
- *
- * @param {File} file
- * @param {Function} callback
- * @param {Function} callbackBinary
- */
- function fetchPreview( file, callback, callbackBinary ) {
- var reader = new FileReader();
- if ( callbackBinary && 'readAsBinaryString' in reader ) {
- // To fetch JPEG metadata we need a binary string; start there.
- // TODO
- reader.onload = function () {
- callbackBinary( reader.result );
-
- // Now run back through the regular code path.
- fetchPreview( file, callback );
- };
- reader.readAsBinaryString( file );
- } else if ( callbackBinary && 'readAsArrayBuffer' in reader ) {
- // readAsArrayBuffer replaces readAsBinaryString
- // However, our JPEG metadata library wants a string.
- // So, this is going to be an ugly conversion.
- reader.onload = function () {
- var i,
- buffer = new Uint8Array( reader.result ),
- string = '';
- for ( i = 0; i < buffer.byteLength; i++ ) {
- string += String.fromCharCode( buffer[ i ] );
- }
- callbackBinary( string );
-
- // Now run back through the regular code path.
- fetchPreview( file, callback );
- };
- reader.readAsArrayBuffer( file );
- } else if ( 'URL' in window && 'createObjectURL' in window.URL ) {
- // Supported in Firefox 4.0 and above <https://developer.mozilla.org/en/DOM/window.URL.createObjectURL>
- // WebKit has it in a namespace for now but that's ok. ;)
- //
- // Lifetime of this URL is until document close, which is fine
- // for Special:Upload -- if this code gets used on longer-running
- // pages, add a revokeObjectURL() when it's no longer needed.
- //
- // Prefer this over readAsDataURL for Firefox 7 due to bug reading
- // some SVG files from data URIs <https://bugzilla.mozilla.org/show_bug.cgi?id=694165>
- callback( window.URL.createObjectURL( file ) );
- } else {
- // This ends up decoding the file to base-64 and back again, which
- // feels horribly inefficient.
- reader.onload = function () {
- callback( reader.result );
- };
- reader.readAsDataURL( file );
- }
- }
-
- /**
- * Clear the file upload preview area.
- */
- function clearPreview() {
- $( '#mw-upload-thumbnail' ).remove();
- }
-
/**
* Check if the file does not exceed the maximum size
*
dépôts / lhc / web / wiklou.git / commitdiff