Bug 758672 - Support mozKeyboard.setValue. r=fabrice

--HG--
extra : rebase_source : ab1014d247556d65dceb8c9da45a894ee5266ed4

b2g/chrome/content/forms.js

@@ -13,26 +13,30 @@ Cu.import("resource://gre/modules/Services.jsm");
 
 dump("###################################### forms.js loaded\n");
 
+let HTMLInputElement = Ci.nsIDOMHTMLInputElement;
+let HTMLTextAreaElement = Ci.nsIDOMHTMLTextAreaElement;
 let HTMLSelectElement = Ci.nsIDOMHTMLSelectElement;
 let HTMLOptGroupElement = Ci.nsIDOMHTMLOptGroupElement;
 let HTMLOptionElement = Ci.nsIDOMHTMLOptionElement;
 
 let FormAssistant = {
   init: function fa_init() {
-    addEventListener("focus", this, true, false);
     addEventListener("click", this, true, false);
     addEventListener("blur", this, true, false);
     addMessageListener("Forms:Select:Choice", this);
+    addMessageListener("Forms:Input:Value", this);
     Services.obs.addObserver(this, "xpcom-shutdown", false);
   },
 
   currentTarget: null,
   handleEvent: function fa_handleEvent(evt) {
     switch (evt.type) {
-      case "click":
-      case "focus": {
+      case "click": {
+        let target =
+          Services.fm.getFocusedElementForWindow(content, true, {}) ||
+          evt.target;
+
         content.setTimeout(function(self) {
-          let target = evt.target;
           if (target instanceof HTMLSelectElement) { 
             sendAsyncMessage("Forms:Input", self._getJSON(target));
             self.currentTarget = target;
@@ -41,6 +45,10 @@ let FormAssistant = {
             target = target.parentNode;
             sendAsyncMessage("Forms:Input", self._getJSON(target));
             self.currentTarget = target;
+          } else if (target instanceof HTMLInputElement ||
+                     target instanceof HTMLTextAreaElement) {
+            sendAsyncMessage("Forms:Input", self._getJSON(target));
+            self.currentTarget = target;
           }
         }, 0, this);
         break;
@@ -69,13 +77,18 @@ let FormAssistant = {
   },
 
   receiveMessage: function fa_receiveMessage(msg) {
+    let target = this.currentTarget;
+    if (!target)
+      return;
+
     let json = msg.json;
     switch (msg.name) {
-      case "Forms:Select:Choice":
-        if (!this.currentTarget)
-          return;
+      case "Forms:Input:Value":
+        target.value = json.value;
+        break;
 
-        let options = this.currentTarget.options;
+      case "Forms:Select:Choice":
+        let options = target.options;
         if ("index" in json) {
           options.item(json.index).selected = true;
         } else if ("indexes" in json) {

b2g/chrome/content/webapi.js

@@ -38,7 +38,7 @@ XPCOMUtils.defineLazyServiceGetter(Services, 'fm',
     let type = targetElement.type;
     // FIXME/bug 344616 is input type='number'
     // Until then, let's return 'number' even if the platform returns 'text'
-    let attributeType = targetElement.getAttribute('type');
+    let attributeType = targetElement.getAttribute('type') || '';
     if (attributeType && attributeType.toLowerCase() === 'number')
       type = 'number';
 

b2g/components/MozKeyboard.js

@@ -71,6 +71,12 @@ MozKeyboard.prototype = {
     });
   },
 
+  setValue: function mozKeyboardSetValue(value) {
+    messageManager.sendAsyncMessage("Forms:Input:Value", {
+      "value": value
+    });
+  },
+
   setSelectedOptions: function mozKeyboardSetSelectedOptions(indexes) {
     messageManager.sendAsyncMessage("Forms:Select:Choice", {
       "indexes": indexes || []

b2g/components/b2g.idl

@@ -30,5 +30,12 @@ interface nsIB2GKeyboard : nsISupports
   // selection, then the last index specified in indexes will be selected.
   void setSelectedOptions(in jsval indexes);
 
+  // Set the value on the currently focused element. This has to be used
+  // for special situations where the value had to be chosen amongst a
+  // list (type=month) or a widget (type=date, time, etc.).
+  // If the value passed in parameter isn't valid (in the term of HTML5
+  // Forms Validation), the value will simply be ignored by the element. 
+  void setValue(in jsval value);
+
   attribute nsIDOMEventListener onfocuschange;
 };