Fix URI and metadata handling for PDF documents

 * Don't load the Document plugin for PDF files; Annotator's PDF plugin
   provides the fuctionality (uri+metadata extraction) in these cases.
   Use async metadata extraction for PDF

 * Updated PDF plugin to fcdf1eac (pdf-update branch)

h/static/scripts/guest.coffee

@@ -31,6 +31,9 @@ class Annotator.Guest extends Annotator
     super
     delete @options.noScan
 
+    if window.PDFJS
+      delete @options.Document
+
     @frame = $('<div></div>')
     .appendTo(@wrapper)
     .addClass('annotator-frame annotator-outer annotator-collapsed')
@@ -40,8 +43,7 @@ class Annotator.Guest extends Annotator
     this.addPlugin 'Bridge',
       formatter: (annotation) =>
         formatted = {}
-        if annotation.document?
-          formatted['uri'] = @plugins.Document.uri()
+        formatted['uri'] = @getHref()
         for k, v of annotation when k isnt 'anchors'
           formatted[k] = v
         # Work around issue in jschannel where a repeated object is considered
@@ -113,6 +115,10 @@ class Annotator.Guest extends Annotator
       # Announce the new positions, so that the sidebar knows
       this.plugins.Bridge.sync([highlight.annotation])
 
+  # Utility function to get the decoded form of the document URI
+  getHref: =>
+    @plugins.PDF?.uri() ? @plugins.Document.uri() ? super
+
   _setupXDM: (options) ->
     # jschannel chokes FF and Chrome extension origins.
     if (options.origin.match /^chrome-extension:\/\//) or
@@ -160,11 +166,21 @@ class Annotator.Guest extends Annotator
           return
     )
 
-    .bind('getDocumentInfo', =>
-      return {
-        uri: @plugins.Document.uri()
-        metadata: @plugins.Document.metadata
-      }
+    .bind('getDocumentInfo', (trans) =>
+      (@plugins.PDF?.getMetaData() ? Promise.reject())
+        .then (md) =>
+           # console.log "Returning PDF metadata", md
+           trans.complete
+             uri: @getHref()
+             metadata: md
+        .catch (problem) =>
+           # console.log "Returning standard metadata, because"
+           # console.log problem.stack ? problem
+           trans.complete
+             uri: @getHref()
+             metadata: @plugins.Document?.metadata
+
+      trans.delayReturn(true)
     )
 
     .bind('setTool', (ctx, name) =>

h/static/scripts/vendor/annotator.pdf.js

 // Generated by CoffeeScript 1.6.3
 /*
-** Annotator 1.2.6-dev-9e0eff3
+** Annotator 1.2.6-dev-fcdf1ea
 ** https://github.com/okfn/annotator/
 **
 ** Copyright 2012 Aron Carroll, Rufus Pollock, and Nick Stenning.
 ** Dual licensed under the MIT and GPLv3 licenses.
 ** https://github.com/okfn/annotator/blob/master/LICENSE
 **
-** Built at: 2014-09-25 22:41:02Z
+** Built at: 2014-10-23 22:40:29Z
 */
 
 
@@ -27,8 +27,7 @@
     __extends(PDFTextMapper, _super);
 
     PDFTextMapper.applicable = function() {
-      var _ref;
-      return (_ref = typeof PDFView !== "undefined" && PDFView !== null ? PDFView.initialized : void 0) != null ? _ref : false;
+      return typeof PDFView !== "undefined" && PDFView !== null;
     };
 
     PDFTextMapper.prototype.requiresSmartStringPadding = true;
@@ -106,20 +105,24 @@
     };
 
     PDFTextMapper.prototype._waitForInit = function() {
-      var tryIt;
+      var tryIt,
+        _this = this;
       tryIt = function(resolve) {
         var _this = this;
-        if (PDFView.documentFingerprint) {
+        if (PDFView.documentFingerprint && PDFView.documentInfo) {
           return resolve();
         } else {
           return setTimeout((function() {
-            console.log("OK, let's try again");
             return tryIt(resolve);
           }), 100);
         }
       };
       return new Promise(function(resolve, reject) {
+        if (typeof PDFView !== "undefined" && PDFView !== null) {
           return tryIt(resolve);
+        } else {
+          return reject("Not a PDF.js document");
+        }
       });
     };
 
@@ -199,6 +202,7 @@
 
     function PDF() {
       this.beforeAnnotationCreated = __bind(this.beforeAnnotationCreated, this);
+      this.getMetaData = __bind(this.getMetaData, this);
       _ref = PDF.__super__.constructor.apply(this, arguments);
       return _ref;
     }
@@ -221,9 +225,15 @@
     };
 
     PDF.prototype._getDocumentURI = function() {
-      var uri, _ref1, _ref2;
+      var match, matches, uri;
       uri = window.location.href;
-      return (_ref1 = (_ref2 = uri.match('chrome-extension://[a-z]{32}/(.*)')) != null ? _ref2[1] : void 0) != null ? _ref1 : uri;
+      matches = uri.match('chrome-extension://[a-z]{32}/(content/web/viewer.html\\?file=)?(.*)');
+      match = matches != null ? matches[matches.length - 1] : void 0;
+      if (match) {
+        return decodeURIComponent(match);
+      } else {
+        return uri;
+      }
     };
 
     PDF.prototype._getFingerPrintURI = function() {
@@ -249,10 +259,7 @@
       }
     };
 
-    PDF.prototype.metadata = function() {
-      if (!this._isPDF()) {
-        return null;
-      }
+    PDF.prototype._metadata = function() {
       return {
         link: [
           {
@@ -265,12 +272,30 @@
       };
     };
 
+    PDF.prototype.getMetaData = function() {
+      var _this = this;
+      return new Promise(function(resolve, reject) {
+        var init;
+        init = _this.annotator.domMapper._waitForInit;
+        if (init != null) {
+          return init().then(function() {
+            return resolve(_this._metadata());
+          });
+        } else {
+          return reject("Not a PDF dom mapper.");
+        }
+      });
+    };
+
     PDF.prototype.events = {
       'beforeAnnotationCreated': 'beforeAnnotationCreated'
     };
 
     PDF.prototype.beforeAnnotationCreated = function(annotation) {
-      return annotation.document = this.metadata();
+      if (!this._isPDF()) {
+        return;
+      }
+      return annotation.document = this._metadata();
     };
 
     return PDF;
@@ -278,3 +303,6 @@
   })(Annotator.Plugin);
 
 }).call(this);
+
+//
+//# sourceMappingURL=annotator.pdf.map
\ No newline at end of file