Create and show the virtual keyboard.

chrome/browser/ui/ash/ash_keyboard_controller_proxy.cc

+// Copyright (c) 2013 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.
+
+#include "chrome/browser/ui/ash/ash_keyboard_controller_proxy.h"
+
+#include "chrome/browser/extensions/extension_function_dispatcher.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/extensions/extension_messages.h"
+#include "content/public/browser/site_instance.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
+#include "ipc/ipc_message_macros.h"
+#include "ui/aura/window.h"
+#include "ui/keyboard/keyboard_controller.h"
+
+AshKeyboardControllerProxy::AshKeyboardControllerProxy() {}
+
+AshKeyboardControllerProxy::~AshKeyboardControllerProxy() {}
+
+aura::Window* AshKeyboardControllerProxy::GetKeyboardWindow() {
+  if (!web_contents_) {
+    Profile* profile = ProfileManager::GetDefaultProfile();
+
+    extension_function_dispatcher_.reset(
+        new ExtensionFunctionDispatcher(profile, this));
+
+    GURL keyboard_url("chrome://keyboard/");
+    web_contents_.reset(content::WebContents::Create(
+        content::WebContents::CreateParams(
+            profile,
+            content::SiteInstance::CreateForURL(profile, keyboard_url))));
+
+    content::WebContentsObserver::Observe(web_contents_.get());
+
+    web_contents_->GetController().LoadURL(
+        keyboard_url,
+        content::Referrer(),
+        content::PAGE_TRANSITION_AUTO_TOPLEVEL,
+        std::string());
+  }
+  return web_contents_->GetView()->GetNativeView();
+}
+
+extensions::WindowController*
+    AshKeyboardControllerProxy::GetExtensionWindowController() const {
+  // The keyboard doesn't have a window controller.
+  return NULL;
+}
+
+content::WebContents*
+    AshKeyboardControllerProxy::GetAssociatedWebContents() const {
+  return web_contents_.get();
+}
+
+void AshKeyboardControllerProxy::OnRequest(
+    const ExtensionHostMsg_Request_Params& params) {
+  extension_function_dispatcher_->Dispatch(
+      params, web_contents_->GetRenderViewHost());
+}
+
+bool AshKeyboardControllerProxy::OnMessageReceived(
+    const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(AshKeyboardControllerProxy, message)
+    IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}