Make JavaScript dialogs auto-dismiss on tab switch.

chrome/browser/ui/javascript_dialogs/javascript_dialog_views.cc

+// Copyright 2016 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/javascript_dialogs/javascript_dialog_views.h"
+
+#include "base/memory/ptr_util.h"
+#include "components/constrained_window/constrained_window_views.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/views/controls/message_box_view.h"
+#include "ui/views/controls/textfield/textfield.h"
+#include "ui/views/layout/layout_constants.h"
+
+JavaScriptDialogViews::~JavaScriptDialogViews() {}

[Peter Kasting, 2016/10/18 04:31:03]

Nit: Feel free to use "= default" in header to avoid this

[Avi (use Gerrit), 2016/10/18 16:31:49]

Done.

+
+// static
+base::WeakPtr<JavaScriptDialogViews> JavaScriptDialogViews::Create(
+    content::WebContents* parent_web_contents,
+    content::WebContents* alerting_web_contents,
+    const base::string16& title,
+    content::JavaScriptMessageType message_type,
+    const base::string16& message_text,
+    const base::string16& default_prompt_text,
+    const content::JavaScriptDialogManager::DialogClosedCallback&
+        dialog_callback) {
+  return (new JavaScriptDialogViews(parent_web_contents, alerting_web_contents,
+                                    title, message_type, message_text,
+                                    default_prompt_text, dialog_callback))
+      ->weak_factory_.GetWeakPtr();
+}
+
+void JavaScriptDialogViews::CloseJavaScriptDialog() {
+  dialog_callback_.Reset();
+  GetWidget()->Close();
+}
+
+int JavaScriptDialogViews::GetDefaultDialogButton() const {
+  return ui::DIALOG_BUTTON_OK;
+}
+
+int JavaScriptDialogViews::GetDialogButtons() const {
+  const bool is_alert = message_type_ == content::JAVASCRIPT_MESSAGE_TYPE_ALERT;
+  return ui::DIALOG_BUTTON_OK | (is_alert ? 0 : ui::DIALOG_BUTTON_CANCEL);
+}
+
+base::string16 JavaScriptDialogViews::GetWindowTitle() const {
+  return title_;
+}
+
+bool JavaScriptDialogViews::Cancel() {
+  if (dialog_callback_)
+    dialog_callback_.Run(false, base::string16());
+  return true;
+}
+
+bool JavaScriptDialogViews::Accept() {
+  if (dialog_callback_)
+    dialog_callback_.Run(true, message_box_view_->GetInputText());
+  return true;
+}
+
+bool JavaScriptDialogViews::Close() {
+  if (dialog_callback_)
+    dialog_callback_.Run(false, base::string16());
+  return true;
+}
+
+void JavaScriptDialogViews::DeleteDelegate() {
+  delete this;
+}
+
+views::View* JavaScriptDialogViews::GetContentsView() {
+  return message_box_view_;
+}
+
+views::View* JavaScriptDialogViews::GetInitiallyFocusedView() {
+  auto* text_box = message_box_view_->text_box();
+  return text_box ? text_box : views::DialogDelegate::GetInitiallyFocusedView();
+}
+
+views::Widget* JavaScriptDialogViews::GetWidget() {
+  return message_box_view_->GetWidget();
+}
+
+const views::Widget* JavaScriptDialogViews::GetWidget() const {
+  return message_box_view_->GetWidget();
+}
+
+ui::ModalType JavaScriptDialogViews::GetModalType() const {
+  return ui::MODAL_TYPE_CHILD;
+}
+
+JavaScriptDialogViews::JavaScriptDialogViews(
+    content::WebContents* parent_web_contents,
+    content::WebContents* alerting_web_contents,
+    const base::string16& title,
+    content::JavaScriptMessageType message_type,
+    const base::string16& message_text,
+    const base::string16& default_prompt_text,
+    const content::JavaScriptDialogManager::DialogClosedCallback&
+        dialog_callback)
+    : title_(title),
+      message_type_(message_type),
+      message_text_(message_text),
+      default_prompt_text_(default_prompt_text),
+      dialog_callback_(dialog_callback),
+      weak_factory_(this) {
+  int options = views::MessageBoxView::DETECT_DIRECTIONALITY;
+  if (message_type == content::JAVASCRIPT_MESSAGE_TYPE_PROMPT)
+    options |= views::MessageBoxView::HAS_PROMPT_FIELD;
+
+  views::MessageBoxView::InitParams params(message_text);
+  params.options = options;
+  params.default_prompt = default_prompt_text;
+  message_box_view_ = new views::MessageBoxView(params);
+  DCHECK(message_box_view_);
+
+  constrained_window::ShowWebModalDialogViews(this, parent_web_contents);
+}