1 files changed, 35 insertions, 0 deletions
diff --git a/www/wiki/extensions/UploadWizard/resources/mw.fileApi.js b/www/wiki/extensions/UploadWizard/resources/mw.fileApi.js
new file mode 100644
index 00000000..86e1af04
--- /dev/null
+++ b/www/wiki/extensions/UploadWizard/resources/mw.fileApi.js
@@ -0,0 +1,35 @@
+/* miscellaneous fileApi routines -- partially copied from mediawiki.special.upload.js, must refactor... */
+
+( function ( mw, $ ) {
+
+	mw.fileApi = {
+
+		/**
+		 * Check if this is a recognizable image type...
+		 * Also excludes files over 10M to avoid going insane on memory usage.
+		 *
+		 * TODO is there a way we can ask the browser what's supported in <img>s?
+		 * TODO put SVG back after working around Firefox 7 bug <https://bugzilla.wikimedia.org/show_bug.cgi?id=31643>
+		 *
+		 * @param {File} file
+		 * @return {boolean}
+		 */
+		isPreviewableFile: function ( file ) {
+			var	known = [ 'image/png', 'image/gif', 'image/jpeg' ],
+				tooHuge = 10 * 1024 * 1024;
+			return this.isPreviewableVideo( file ) || ( $.inArray( file.type, known ) !== -1 ) && file.size > 0 && file.size < tooHuge;
+		},
+
+		/**
+		 * Check if this is a recognizable video type...
+		 *
+		 * @param {File} file
+		 * @return {boolean}
+		 */
+		isPreviewableVideo: function ( file ) {
+			var video = document.createElement( 'video' );
+			return video.canPlayType && video.canPlayType( file.type ).replace( 'no', '' ) !== '';
+		}
+
+	};
+}( mediaWiki, jQuery ) );