Add a download button in case the extension is not enough

diff --git a/extensions/firefox/components/pdfContentHandler.js b/extensions/firefox/components/pdfContentHandler.js
index eda0ec92c73509c9953262479453aff48840f434..a04b717a2d5659e8fa90560bb26f36036110d018 100644 (file)
--- a/extensions/firefox/components/pdfContentHandler.js
+++ b/extensions/firefox/components/pdfContentHandler.js
@@ -20,16 +20,17 @@ function log(aMsg) {
   dump(msg + '\n');
 }
 
+const NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001;
 function pdfContentHandler() {
 }
 
 pdfContentHandler.prototype = {
   handleContent: function handleContent(aMimetype, aContext, aRequest) {
     if (aMimetype != PDF_CONTENT_TYPE)
-      throw Cr.NS_ERROR_WONT_HANDLE_CONTENT;
+      throw NS_ERROR_WONT_HANDLE_CONTENT;
 
     if (!(aRequest instanceof Ci.nsIChannel))
-      throw Cr.NS_ERROR_WONT_HANDLE_CONTENT;
+      throw NS_ERROR_WONT_HANDLE_CONTENT;
 
     let window = null;
     let callbacks = aRequest.notificationCallbacks ||
@@ -37,18 +38,26 @@ pdfContentHandler.prototype = {
     if (!callbacks)
       return;
 
-    aRequest.cancel(Cr.NS_BINDING_ABORTED);
-    let uri = aRequest.URI;
+    window = callbacks.getInterface(Ci.nsIDOMWindow);
 
+    let url = null;
     try {
-      let url = Services.prefs.getCharPref('extensions.pdf.js.url');
-      url = url.replace('%s', uri.spec);
-
-      window = callbacks.getInterface(Ci.nsIDOMWindow);
-      window.location = url;
-    } catch (e) {
+      url = Services.prefs.getCharPref('extensions.pdf.js.url');
+    } catch(e) {
       log('Error retrieving the pdf.js base url - ' + e);
+      throw NS_ERROR_WONT_HANDLE_CONTENT;
     }
+
+    // To allow a Download feature we need to ensure pdf.js
+    // is not opened again if the request for opening an
+    // application/pdf document has been done by itself.
+    let location = window.location.toString();
+    if (location.indexOf(url.replace('%s', '')) == 0)
+      throw NS_ERROR_WONT_HANDLE_CONTENT;
+
+    aRequest.cancel(Cr.NS_BINDING_ABORTED);
+    let uri = aRequest.URI;
+    window.location = url.replace('%s', uri.spec);
   },
 
   classID: Components.ID('{2278dfd0-b75c-11e0-8257-1ba3d93c9f1a}'),

diff --git a/web/images/download.svg b/web/images/download.svg
new file mode 100644 (file)
index 0000000..2922c43
--- /dev/null
+++ b/web/images/download.svg
@@ -0,0 +1,619 @@
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+     id="metadata4">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title>Save</dc:title>
+        <dc:creator>
+          <cc:Agent>
+            <dc:title>Jakub Steiner</dc:title>
+          </cc:Agent>
+        </dc:creator>
+        <dc:subject>
+          <rdf:Bag>
+            <rdf:li>hdd</rdf:li>
+            <rdf:li>hard drive</rdf:li>
+            <rdf:li>save</rdf:li>
+            <rdf:li>io</rdf:li>
+            <rdf:li>store</rdf:li>
+          </rdf:Bag>
+        </dc:subject>
+        <cc:license
+           rdf:resource="http://creativecommons.org/licenses/publicdomain/" />
+        <dc:identifier />
+        <dc:source>http://jimmac.musichall.cz</dc:source>
+      </cc:Work>
+      <cc:License
+         rdf:about="http://creativecommons.org/licenses/publicdomain/">
+        <cc:permits
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+        <cc:permits
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+</svg>

diff --git a/web/viewer.html b/web/viewer.html
index 4175d29fc6a3184a7102d6126a1dbf7abe2e2fba..f348b6c58cd2a120dc51d99bfc1d11444bf5a1b5 100644 (file)
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -64,6 +64,11 @@
         Print
       </button>
 
+      <button id="download" title="Download" onclick="PDFView.download();" oncontextmenu="return false;">
+        <img src="images/download.svg" align="top" height="32"/>
+        Download
+      </button>
+
       <div class="separator"></div>
 
       <input id="fileInput" type="file" oncontextmenu="return false;"/>

diff --git a/web/viewer.js b/web/viewer.js
index e40697a26274b894d728e825e21d14004bc37460..27211ce1c67bdbe61a668cfca690aeeca1d9b69d 100644 (file)
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -85,6 +85,10 @@ var PDFView = {
     this.setScale(newScale, true);
   },
 
+  download: function pdfViewDownload() {
+    window.open(document.title, '_parent', 'pdf=yes');
+  },
+
   set page(val) {
     var pages = this.pages;
     var input = document.getElementById('pageNumber');
@@ -661,8 +665,9 @@ window.addEventListener('change', function webViewerChange(evt) {
 
   document.title = file.name;
 
-  // URL does not reflect proper document location - hiding bookmark icon.
+  // URL does not reflect proper document location - hiding some icons.
   document.getElementById('viewBookmark').setAttribute('hidden', 'true');
+  document.getElementById('download').setAttribute('hidden', 'true');
 }, true);
 
 window.addEventListener('transitionend', function webViewerTransitionend(evt) {