Bug 872143 - Make InputWidgetHelper use async prompts. r=mfinkle

mobile/android/chrome/content/InputWidgetHelper.js

@@ -23,44 +23,41 @@ var InputWidgetHelper = {
 
   show: function(aElement) {
     let type = aElement.getAttribute('type');
-    let msg = {
+    let p = new Prompt({
-      type: "Prompt:Show",
+      window: aElement.ownerDocument.defaultView,
       title: Strings.browser.GetStringFromName("inputWidgetHelper." + aElement.getAttribute('type')),
       buttons: [
         Strings.browser.GetStringFromName("inputWidgetHelper.set"),
         Strings.browser.GetStringFromName("inputWidgetHelper.clear"),
         Strings.browser.GetStringFromName("inputWidgetHelper.cancel")
       ],
-      inputs: [
+    }).addDatePicker({
-        { type: type, value: aElement.value }
+      value: aElement.value,
-      ]
+      type: type,
-    };
+    }).show((function(data) {
-
+      let changed = false;
-    let data = JSON.parse(sendMessageToJava(msg));
+      if (data.button == -1) {
-
+        // This type is not supported with this android version.
-    let changed = false;
+        return;
-    if (data.button == -1) {
-      // This type is not supported with this android version.
-      return;
-    }
-    if (data.button == 1) {
-      // The user cleared the value.
-      if (aElement.value != "") {
-        aElement.value = "";
-        changed = true;
       }
-    } else if (data.button == 0) {
+      if (data.button == 1) {
-      // Commit the new value.
+        // The user cleared the value.
-      if (aElement.value != data[type]) {
+        if (aElement.value != "") {
-        aElement.value = data[type];
+          aElement.value = "";
-        changed = true;
+          changed = true;
+        }
+      } else if (data.button == 0) {
+        // Commit the new value.
+        if (aElement.value != data[type]) {
+          aElement.value = data[type + "0"];
+          changed = true;
+        }
       }
-    }
+      // Else the user canceled the input.
-    // Else the user canceled the input.
-
-    if (changed)
-      this.fireOnChange(aElement);
 
+      if (changed)
+        this.fireOnChange(aElement);
+    }).bind(this));
   },
 
   _isValidInput: function(aElement) {

mobile/android/modules/Prompt.jsm

@@ -48,6 +48,8 @@ Prompt.prototype = {
     obj.id = aOptions.id || (aOptions.type + this[aOptions.type + "_count"]);
     this[aOptions.type + "_count"]++;
 
+    if (!this.msg.inputs)
+      this.msg.inputs = [];
     this.msg.inputs.push(obj);
     return this;
   },
@@ -81,6 +83,13 @@ Prompt.prototype = {
     });
   },
 
+  addDatePicker: function(aOptions) {
+    return this._addInput({
+      type: aOptions.type || "date",
+      value: aOptions.value,
+    });
+  },
+
   addMenulist: function(aOptions) {
     return this._addInput({
       type: "menulist",