If force-sign-in policy is enabled, popup warning dialog before window closing if auth token becom…

chrome/browser/ui/views/profiles/force_signout_dialog.cc

+// Copyright 2017 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/views/profiles/force_signout_dialog.h"
+
+#include <memory>
+#include <string>
+#include <utility>
+
+#include "base/strings/string16.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/ui/views/profiles/force_signout_dialog_view.h"
+#include "chrome/grit/generated_resources.h"
+#include "components/signin/core/browser/signin_manager.h"
+
+namespace {
+
+void Signout(SigninManager* signin_manager) {
+  signin_manager->SignOut(
+      signin_metrics::AUTHENTICATION_FAILED_WITH_FORCE_SIGNIN,
+      signin_metrics::SignoutDelete::KEEPING);
+}
+
+bool IsMatchingBrowser(Browser* browser, Profile* profile) {
+  return browser->profile()->GetOriginalProfile() ==
+             profile->GetOriginalProfile() &&
+         !browser->tab_strip_model()->empty() &&
+         BrowserView::GetBrowserViewForBrowser(browser)->frame()->IsVisible();
+}
+
+// Find a browser that is assoicated with |profile| to show the dialog for
+// Sign out warning.
+Browser* FindBrowserWithProfile(Profile* profile) {
+  Browser* browser = BrowserList::GetInstance()->GetLastActive();
+  if (browser && IsMatchingBrowser(browser, profile))
+    return browser;
+  for (auto* browser : *BrowserList::GetInstance()) {
+    if (IsMatchingBrowser(browser, profile)) {
+      return browser;
+    }
+  }
+  return nullptr;
+}
+
+}  // namespace
+
+ForceSignoutDialog::ForceSignoutDialog(Browser* browser,
+                                       SigninManager* signin_manager,
+                                       const base::Closure& signout_timer)
+    : BrowserModalDialog(),
+      browser_(browser),
+      signin_manager_(signin_manager),
+      signout_timer_(signout_timer),
+      dialog_view_(nullptr) {}
+
+ForceSignoutDialog::~ForceSignoutDialog() {
+  BrowserList::RemoveObserver(this);
+}
+
+// static
+ForceSignoutDialog* ForceSignoutDialog::ShowDialog(
+    Profile* profile,
+    SigninManager* signin_manager,
+    const base::Closure& signout_timer) {
+  Browser* browser = FindBrowserWithProfile(profile);
+  if (browser == nullptr) {  // If there is no browser, we can just sign
+                             // out profile directly.
+    Signout(signin_manager);
+    return nullptr;
+  }
+
+  std::unique_ptr<ForceSignoutDialog> dialog =
+      base::MakeUnique<ForceSignoutDialog>(browser, signin_manager,
+                                           signout_timer);
+  ForceSignoutDialog* dialog_ptr = dialog.get();
+  ForceSignoutDialogView* dialog_view =
+      new ForceSignoutDialogView(browser, std::move(dialog));
+  dialog_ptr->dialog_view_ = dialog_view;
+  BrowserList::AddObserver(dialog_ptr);
+
+  return dialog_ptr;
+}
+
+void ForceSignoutDialog::ActivateModalDialog(Browser* other_browser) {
+  if (dialog_view_) {
+    if (browser_ && browser_ != other_browser) {
+      browser_->window()->FlashFrame(true);
+      browser_->window()->Activate();
+    }
+    dialog_view_->ActivateModalDialog();
+  }
+}
+
+bool ForceSignoutDialog::IsShowing() {
+  return dialog_view_ && dialog_view_->IsShowing();
+}
+
+void ForceSignoutDialog::OnBrowserRemoved(Browser* browser) {
+  if (browser_ == browser)
+    browser_ = nullptr;
+}
+
+void ForceSignoutDialog::OnAccept() {
+  Signout(signin_manager_);
+}
+
+void ForceSignoutDialog::OnCancel() {
+  if (!signout_timer_.is_null())
+    signout_timer_.Run();
+}
+
+std::string ForceSignoutDialog::GetEmail() {
+  return signin_manager_->GetAuthenticatedAccountInfo().email;
+}
+
+bool ForceSignoutDialog::IsDelayAllowed() {
+  return !signout_timer_.is_null();
+}
+
+void ForceSignoutDialog::OnViewClosing() {
+  dialog_view_ = nullptr;
+}
+
+ForceSignoutDialogView* ForceSignoutDialog::GetDialogViewForTesting() {
+  return dialog_view_;
+}