Remote assistance on Chrome OS Part V - It2MeHost Continue Window

remoting/host/chromeos/message_box.cc

+// 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.
+
+#include "remoting/host/chromeos/message_box.h"
+
+#include "base/callback_helpers.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/views/widget/widget.h"
+
+namespace remoting {
+
+MessageBox::MessageBox(const base::string16& message_label,
+                       const base::string16& ok_label,
+                       const base::string16& cancel_label,
+                       ResultCallback result_callback)
+    : message_label_(message_label),
+      ok_label_(ok_label),
+      cancel_label_(cancel_label),
+      result_callback_(result_callback) {
+}
+
+MessageBox::~MessageBox() {
+}
+
+void MessageBox::Show() {
+  // The widget is owned by the NativeWidget.  See class comments for ownership.

[Wez, 2014/10/31 21:22:24]

Which class comments?

[kelvinp, 2014/11/01 00:42:00]

The comments in Widget.h

+  views::Widget* widget =
+      CreateDialogWidget(this, /* delegate */
+                         nullptr /* parent window*/, nullptr /* parent view */);

[Wez, 2014/10/31 21:22:24]

put these one-per-line so that the comments are more readable.

[kelvinp, 2014/11/01 00:42:00]

Done.

+
+  if (widget) {
+    AddRef();
+    widget->Show();
+  }
+}
+
+void MessageBox::Hide() {
+  if (GetWidget()) {
+    GetWidget()->Close();
+  }
+}
+
+bool MessageBox::Accept() {
+  DCHECK(!result_callback_.is_null());
+  base::ResetAndReturn(&result_callback_).Run(OK);
+  return true /* close the window*/;
+}
+
+bool MessageBox::Cancel() {
+  if (result_callback_.is_null()) {
+    return false;
+  }
+  base::ResetAndReturn(&result_callback_).Run(CANCEL);
+  return true /* close the window*/;
+}
+
+ui::ModalType MessageBox::GetModalType() const {
+  return ui::MODAL_TYPE_SYSTEM;
+}
+
+base::string16 MessageBox::GetWindowTitle() const {
+  return message_label_;
+}
+
+base::string16 MessageBox::GetDialogButtonLabel(ui::DialogButton button) const {
+  switch (button) {
+    case ui::DIALOG_BUTTON_OK:
+      return ok_label_;
+    case ui::DIALOG_BUTTON_CANCEL:
+      return cancel_label_;
+    default:
+      NOTREACHED();
+      return base::string16();
+  }
+}
+
+void MessageBox::DeleteDelegate() {
+  Release();
+}
+
+}  // namespace remoting