use new clipboard api when available

plugins/c9.ide.ace/ace.js

@@ -2631,10 +2631,10 @@
             });
             plugin.on("paste", function(e) {
                 if (e.native) return; // Ace handles this herself
-                
-                var data = e.clipboardData.getData("text/plain");
-                if (data !== false)
-                    ace.onPaste(data);
+                e.clipboardData.getData("text/plain", function(err, data) {
+                    if (!err && data && data !== false)
+                        ace.onPaste(data);
+                });
             });
             plugin.on("blur", function() {
                 blur();

plugins/c9.ide.clipboard/clipboard.js

@@ -124,6 +124,15 @@ define(function(require, exports, module) {
             getData: function(type, callback) {
                 var data = provider.get(type);
                 
+                if (callback && data && data.then) {
+                    return data.then(function(text) {
+                        callback(null, text);
+                    }, function(err) {
+                        showAlert(null, true);
+                        callback(err || new Error("rejected"));
+                    });
+                }
+                
                 // If `data` is false the provider was not able to fetch data from the clipboard.
                 // This is usually because the browser does not allow this for security reasons.
                 // The browser (chrome) does allow this when the cloud9 plugin is installed.
@@ -255,9 +264,8 @@ define(function(require, exports, module) {
                 + "textarea below. <textarea style='width:100%;' rows='4'>" 
                 + data 
                 + "</textarea><br /><br />")
-                + "To enable the native keyboard either use "
-                + "Command-C on Mac or Ctrl-C on Windows or for Chrome install "
-                + "the Cloud9 App at <a target='_blank' href='http://bit.ly/K5XNzK'>the Chrome store</a>.", 
+                + "To enable the native keyboard use Command-C on Mac or Ctrl-C on Windows<br />"
+                + (navigator.clipboard ? " or grant clipboard access to the page" : ""), 
                 function() {
                     if (alert.dontShow)
                         settings.set("user/clipboard/@dontshow", true);

plugins/c9.ide.clipboard/html5.js

@@ -84,6 +84,9 @@ define(function(require, exports, module) {
             if (!full && nativeObject)
                 return handleClipboardData(nativeObject, type);
             
+            if (navigator.clipboard && navigator.clipboard.readText)
+                return navigator.clipboard.readText();
+            
             var data;
             var getData = function(e) {
                 data = full

plugins/c9.ide.terminal/terminal.js

@@ -1167,9 +1167,10 @@ define(function(require, exports, module) {
             plugin.on("paste", function(e) {
                 if (e.native) return; // Ace handles this herself
                 
-                var data = e.clipboardData.getData("text/plain");
-                if (data !== false)
-                    aceterm.onPaste(data);
+                e.clipboardData.getData("text/plain", function(err, data) {
+                    if (!err && data && data !== false)
+                        aceterm.onPaste(data);
+                });
             });
             
             plugin.on("focus", function(e) {