athena: Use mojo to provide the bindings for the virtual keyboard.

ui/keyboard/resources/keyboard_mojo.js

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+var connection;
+var mojo_api;
+var input_focused_event;
+
+if (!chrome.virtualKeyboardPrivate) {
+  define('main', [
+      'mojo/public/js/bindings/connection',
+      'ui/keyboard/webui/keyboard.mojom',

[Sam McNally, 2014/06/26 11:04:40]

You'll need to depend on 'content/public/renderer/service_provider' to get
access to the browser service.

[sadrul, 2014/08/01 22:41:47]

Done.

+  ], function(connector, keyboard) {
+    'use strict';
+    function KeyboardImpl(kbd) {
+      console.log('Creating KeyboardImpl');
+      this.keyboard_ = kbd;
+      mojo_api = this;
+    }
+
+    KeyboardImpl.prototype = Object.create(keyboard.KeyboardAPIStub.prototype);
+
+    KeyboardImpl.prototype.onTextInputTypeChanged = function(input_type) {
+      console.log('Text input changed: ' + input_type);
+      input_focused_event.forEach(function(listener) {
+        listener({type: input_type});
+      });
+    };
+
+    return function(handle) {

[Sam McNally, 2014/06/26 11:04:40]

The caller will no longer pass in the handle. You'll need to use a
serviceProvider to get the handle:
serviceProvider.connectToService(keyboard.KeyboardUIHandlerMojoProxy.NAME_)

[sadrul, 2014/08/01 22:41:47]

Done.

+      connection = connector.Connection(handle, KeyboardImpl,
+                                        keyboard.KeyboardUIHandlerMojoProxy);
+    };
+  });
+
+  chrome.virtualKeyboardPrivate = {};
+  chrome.virtualKeyboardPrivate.sendKeyEvent = function(event) {
+    if (!mojo_api)
+      return;
+    console.log('sending key event: ' + event.type);
+    mojo_api.keyboard_.sendKeyEvent(event.type,
+                               event.charValue,
+                               event.keyCode,
+                               event.keyName,
+                               event.modifiers);
+  };
+  chrome.virtualKeyboardPrivate.hideKeyboard = function() {
+    if (!mojo_api)
+      return;
+    mojo_api.keyboard_.hideKeyboard();
+  };
+  chrome.virtualKeyboardPrivate.moveCursor = function() {};
+  chrome.virtualKeyboardPrivate.lockKeyboard = function() {};
+  chrome.virtualKeyboardPrivate.keyboardLoaded = function() {};
+  chrome.virtualKeyboardPrivate.getKeyboardConfig = function() {};
+
+  function BrowserEvent() {
+    this.listeners_ = [];
+  };
+
+  BrowserEvent.prototype.addListener = function(callback) {
+    this.listeners_.push(callback);
+  };
+
+  BrowserEvent.prototype.forEach = function(callback) {
+    for (var i = 0; i < this.listeners_.length; ++i)
+      callback(this.listeners_[i]);
+  };
+
+  input_focused_event = new BrowserEvent;
+  chrome.virtualKeyboardPrivate.onTextInputBoxFocused = input_focused_event;
+}