Disabled inputs should not respond to clicks in IE

This commit migrates over the disabled property behavior from
ReactDOMButton into a general purpose disabled event filter. It also
applies that behavior to inputs, selects, and textareas.

Author: nhunzaker

src/renderers/dom/client/wrappers/DisabledInputUtils.js

@@ -0,0 +1,50 @@
+/**
+ * Copyright 2013-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @providesModule DisabledInputUtils
+ */
+
+'use strict';
+
+var disableableMouseListenerNames = {
+  onClick: true,
+  onDoubleClick: true,
+  onMouseDown: true,
+  onMouseMove: true,
+  onMouseUp: true,
+
+  onClickCapture: true,
+  onDoubleClickCapture: true,
+  onMouseDownCapture: true,
+  onMouseMoveCapture: true,
+  onMouseUpCapture: true,
+};
+
+/**
+ * Implements a native component that does not receive mouse events
+ * when `disabled` is set.
+ */
+var DisabledInputUtils = {
+  getNativeProps: function(inst, props) {
+    if (!props.disabled) {
+      return props;
+    }
+
+    // Copy the props, except the mouse listeners
+    var nativeProps = {};
+    for (var key in props) {
+      if (props.hasOwnProperty(key) && !disableableMouseListenerNames[key]) {
+        nativeProps[key] = props[key];
+      }
+    }
+
+    return nativeProps;
+  },
+};
+
+module.exports = DisabledInputUtils;

src/renderers/dom/client/wrappers/ReactDOMButton.js

@@ -11,40 +11,14 @@
 
 'use strict';
 
-var mouseListenerNames = {
-  onClick: true,
-  onDoubleClick: true,
-  onMouseDown: true,
-  onMouseMove: true,
-  onMouseUp: true,
-
-  onClickCapture: true,
-  onDoubleClickCapture: true,
-  onMouseDownCapture: true,
-  onMouseMoveCapture: true,
-  onMouseUpCapture: true,
-};
+var DisabledInputUtils = require('DisabledInputUtils');
 
 /**
  * Implements a <button> native component that does not receive mouse events
  * when `disabled` is set.
  */
 var ReactDOMButton = {
-  getNativeProps: function(inst, props) {
-    if (!props.disabled) {
-      return props;
-    }
-
-    // Copy the props, except the mouse listeners
-    var nativeProps = {};
-    for (var key in props) {
-      if (props.hasOwnProperty(key) && !mouseListenerNames[key]) {
-        nativeProps[key] = props[key];
-      }
-    }
-
-    return nativeProps;
-  },
+  getNativeProps: DisabledInputUtils.getNativeProps,
 };
 
 module.exports = ReactDOMButton;

src/renderers/dom/client/wrappers/ReactDOMInput.js

@@ -11,6 +11,7 @@
 
 'use strict';
 
+var DisabledInputUtils = require('DisabledInputUtils');
 var DOMPropertyOperations = require('DOMPropertyOperations');
 var LinkedValueUtils = require('LinkedValueUtils');
 var ReactDOMComponentTree = require('ReactDOMComponentTree');
@@ -81,7 +82,7 @@ var ReactDOMInput = {
       onChange: inst._wrapperState.onChange,
     });
 
-    return nativeProps;
+    return DisabledInputUtils.getNativeProps(inst, nativeProps);
   },
 
   mountWrapper: function(inst, props) {

src/renderers/dom/client/wrappers/ReactDOMSelect.js

@@ -11,6 +11,7 @@
 
 'use strict';
 
+var DisabledInputUtils = require('DisabledInputUtils');
 var LinkedValueUtils = require('LinkedValueUtils');
 var ReactDOMComponentTree = require('ReactDOMComponentTree');
 var ReactUpdates = require('ReactUpdates');
@@ -159,7 +160,7 @@ function updateOptions(inst, multiple, propValue) {
  */
 var ReactDOMSelect = {
   getNativeProps: function(inst, props) {
-    return assign({}, props, {
+    return assign({}, DisabledInputUtils.getNativeProps(inst, props), {
       onChange: inst._wrapperState.onChange,
       value: undefined,
     });

src/renderers/dom/client/wrappers/ReactDOMTextarea.js

@@ -11,6 +11,7 @@
 
 'use strict';
 
+var DisabledInputUtils = require('DisabledInputUtils');
 var DOMPropertyOperations = require('DOMPropertyOperations');
 var LinkedValueUtils = require('LinkedValueUtils');
 var ReactDOMComponentTree = require('ReactDOMComponentTree');
@@ -68,7 +69,7 @@ var ReactDOMTextarea = {
 
     // Always set children to the same thing. In IE9, the selection range will
     // get reset if `textContent` is mutated.
-    var nativeProps = assign({}, props, {
+    var nativeProps = assign({}, DisabledInputUtils.getNativeProps(inst, props), {
       defaultValue: undefined,
       value: undefined,
       children: inst._wrapperState.initialValue,

src/renderers/dom/client/wrappers/__tests__/DisabledInputUtil-test.js

@@ -0,0 +1,108 @@
+/**
+ * Copyright 2013-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+
+describe('DisabledInputUtils', function() {
+  var React;
+  var ReactDOM;
+  var ReactTestUtils;
+
+  var elements = ['button', 'input', 'select', 'textarea'];
+
+  function expectClickThru(element) {
+    onClick.mockClear();
+    ReactTestUtils.Simulate.click(ReactDOM.findDOMNode(element));
+    expect(onClick.mock.calls.length).toBe(1);
+  }
+
+  function expectNoClickThru(element) {
+    onClick.mockClear();
+    ReactTestUtils.Simulate.click(ReactDOM.findDOMNode(element));
+    expect(onClick.mock.calls.length).toBe(0);
+  }
+
+  function mounted(element) {
+    element = ReactTestUtils.renderIntoDocument(element);
+    return element;
+  }
+
+  var onClick = jest.genMockFn();
+
+  elements.forEach(function(tagName) {
+
+    describe(tagName, function() {
+
+      beforeEach(function() {
+        React = require('React');
+        ReactDOM = require('ReactDOM');
+        ReactTestUtils = require('ReactTestUtils');
+      });
+
+      it('should forward clicks when it starts out not disabled', function() {
+        var element = React.createElement(tagName, {
+          onClick: onClick,
+        });
+
+        expectClickThru(mounted(element));
+      });
+
+      it('should not forward clicks when it starts out disabled', function() {
+        var element = React.createElement(tagName, {
+          onClick: onClick,
+          disabled: true,
+        });
+
+        expectNoClickThru(mounted(element));
+      });
+
+      it('should forward clicks when it becomes not disabled', function() {
+        var container = document.createElement('div');
+        var element = ReactDOM.render(
+          React.createElement(tagName, { onClick: onClick, disabled: true }),
+          container
+        );
+        element = ReactDOM.render(
+          React.createElement(tagName, { onClick: onClick }),
+          container
+        );
+        expectClickThru(element);
+      });
+
+      it('should not forward clicks when it becomes disabled', function() {
+        var container = document.createElement('div');
+        var element = ReactDOM.render(
+          React.createElement(tagName, { onClick: onClick }),
+          container
+        );
+        element = ReactDOM.render(
+          React.createElement(tagName, { onClick: onClick, disabled: true }),
+          container
+        );
+        expectNoClickThru(element);
+      });
+
+      it('should work correctly if the listener is changed', function() {
+        var container = document.createElement('div');
+        var element = ReactDOM.render(
+          React.createElement(tagName, { onClick: onClick, disabled: true }),
+          container
+        );
+        element = ReactDOM.render(
+          React.createElement(tagName, { onClick: onClick, disabled: false }),
+          container
+        );
+        expectClickThru(element);
+      });
+    });
+  });
+});