[third_party] add polymer 1.2.3

polymer_1.2.3/iron-behaviors/iron-button-state.html

Index: polymer_1.2.3/iron-behaviors/iron-button-state.html
diff --git a/polymer_1.0.4/bower_components/iron-behaviors/iron-button-state.html b/polymer_1.2.3/iron-behaviors/iron-button-state.html
similarity index 72%
copy from polymer_1.0.4/bower_components/iron-behaviors/iron-button-state.html
copy to polymer_1.2.3/iron-behaviors/iron-button-state.html
index fc52e172f920d899737e5800564b8730cff3764e..8114e2ddea8de7bfbe069304e56e7aef6640d425 100644
--- a/polymer_1.0.4/bower_components/iron-behaviors/iron-button-state.html
+++ b/polymer_1.2.3/iron-behaviors/iron-button-state.html
@@ -50,8 +50,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
         type: Boolean,
         value: false,
         notify: true,
-        reflectToAttribute: true,
-        observer: '_activeChanged'
+        reflectToAttribute: true
       },
 
       /**
@@ -72,6 +71,16 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       receivedFocusFromKeyboard: {
         type: Boolean,
         readOnly: true
+      },
+
+      /**
+       * The aria attribute to be set if the button is a toggle and in the
+       * active state.
+       */
+      ariaActiveAttribute: {
+        type: String,
+        value: 'aria-pressed',
+        observer: '_ariaActiveAttributeChanged'
       }
     },
 
@@ -82,7 +91,8 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
     },
 
     observers: [
-      '_detectKeyboardFocus(focused)'
+      '_detectKeyboardFocus(focused)',
+      '_activeChanged(active, ariaActiveAttribute)'
     ],
 
     keyBindings: {
@@ -91,6 +101,8 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       'space:keyup': '_spaceKeyUpHandler',
     },
 
+    _mouseEventRe: /^mouse/,
+
     _tapHandler: function() {
       if (this.toggles) {
        // a tap is needed to toggle the active state
@@ -107,11 +119,13 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
     // to emulate native checkbox, (de-)activations from a user interaction fire
     // 'change' events
     _userActivate: function(active) {
-      this.active = active;
-      this.fire('change');
+      if (this.active !== active) {
+        this.active = active;
+        this.fire('change');
+      }
     },
 
-    _downHandler: function() {
+    _downHandler: function(event) {
       this._setPointerDown(true);
       this._setPressed(true);
       this._setReceivedFocusFromKeyboard(false);
@@ -122,14 +136,35 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       this._setPressed(false);
     },
 
+    /**
+     * @param {!KeyboardEvent} event .
+     */
     _spaceKeyDownHandler: function(event) {
       var keyboardEvent = event.detail.keyboardEvent;
+      var target = Polymer.dom(keyboardEvent).localTarget;
+
+      // Ignore the event if this is coming from a focused light child, since that
+      // element will deal with it.
+      if (this.isLightDescendant(/** @type {Node} */(target)))
+        return;
+
       keyboardEvent.preventDefault();
       keyboardEvent.stopImmediatePropagation();
       this._setPressed(true);
     },
 
-    _spaceKeyUpHandler: function() {
+    /**
+     * @param {!KeyboardEvent} event .
+     */
+    _spaceKeyUpHandler: function(event) {
+      var keyboardEvent = event.detail.keyboardEvent;
+      var target = Polymer.dom(keyboardEvent).localTarget;
+
+      // Ignore the event if this is coming from a focused light child, since that
+      // element will deal with it.
+      if (this.isLightDescendant(/** @type {Node} */(target)))
+        return;
+
       if (this.pressed) {
         this._asyncClick();
       }
@@ -150,11 +185,18 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       this._changedButtonState();
     },
 
-    _activeChanged: function(active) {
+    _ariaActiveAttributeChanged: function(value, oldValue) {
+      if (oldValue && oldValue != value && this.hasAttribute(oldValue)) {
+        this.removeAttribute(oldValue);
+      }
+    },
+
+    _activeChanged: function(active, ariaActiveAttribute) {
       if (this.toggles) {
-        this.setAttribute('aria-pressed', active ? 'true' : 'false');
+        this.setAttribute(this.ariaActiveAttribute,
+                          active ? 'true' : 'false');
       } else {
-        this.removeAttribute('aria-pressed');
+        this.removeAttribute(this.ariaActiveAttribute);
       }
       this._changedButtonState();
     },