[vr] Clicking on the security icon should prompt the user to bail out of VR

chrome/browser/android/vr_shell/ui_scene_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_UI_SCENE_MANAGER_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_UI_SCENE_MANAGER_H_
 
+#include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
 #include "base/values.h"
 #include "chrome/browser/android/vr_shell/color_scheme.h"
 #include "chrome/browser/android/vr_shell/ui_interface.h"
 #include "chrome/browser/android/vr_shell/ui_unsupported_mode.h"
 #include "device/vr/vr_types.h"
 
 namespace vr_shell {
@@ skipping 27 matching lines @@
   void SetScreenCapturingIndicator(bool enabled);
   void SetAudioCapturingIndicator(bool enabled);
 
   // These methods are currently stubbed.
   void SetHistoryButtonsEnabled(bool can_go_back, bool can_go_forward);
 
   void OnAppButtonClicked();
   void OnAppButtonGesturePerformed(UiInterface::Direction direction);
 
  private:
+  FRIEND_TEST_ALL_PREFIXES(UiSceneManagerTest, UiUpdatesExitPrompt);
+
   void CreateScreenDimmer();
   void CreateSecurityWarnings();
   void CreateSystemIndicators();
   void CreateContentQuad();
   void CreateBackground();
   void CreateUrlBar();
   void CreateCloseButton();
-  void CreateExitWarning();
 
   void ConfigureScene();
   void ConfigureSecurityWarnings();
   void UpdateBackgroundColor();
   void OnSecurityWarningTimer();
   void OnBackButtonClicked();
+  void OnSecurityIconClicked();
+  void OnExitPromptPrimaryButtonClicked();
+  void OnExitPromptSecondaryButtonClicked();
   void OnCloseButtonClicked();
   void OnUnsupportedMode(UiUnsupportedMode mode);
   int AllocateId();
   ColorScheme::Mode mode() const;
   const ColorScheme& color_scheme() const;
 
   UiBrowserInterface* browser_;
   UiScene* scene_;
 
   // UI element pointers (not owned by the scene manager).
   UiElement* permanent_security_warning_ = nullptr;
   UiElement* transient_security_warning_ = nullptr;
+  UiElement* exit_prompt_ = nullptr;
   UiElement* exit_warning_ = nullptr;
   UiElement* main_content_ = nullptr;
+  UiElement* main_content_backplane_ = nullptr;
   UiElement* audio_capture_indicator_ = nullptr;
   UiElement* video_capture_indicator_ = nullptr;
   UiElement* screen_capture_indicator_ = nullptr;
   UiElement* screen_dimmer_ = nullptr;
   UiElement* ceiling_ = nullptr;
   UiElement* floor_ = nullptr;
   UiElement* close_button_ = nullptr;
   UrlBar* url_bar_ = nullptr;
   LoadingIndicator* loading_indicator_ = nullptr;
 
   bool in_cct_;
   bool web_vr_mode_;
   bool secure_origin_ = false;
   bool fullscreen_ = false;
   bool incognito_ = false;
-  bool is_exiting_ = false;
   bool audio_capturing_ = false;
   bool video_capturing_ = false;
   bool screen_capturing_ = false;
 
   int next_available_id_ = 1;
 
   std::vector<UiElement*> content_elements_;
+  std::vector<UiElement*> background_elements_;
   std::vector<UiElement*> control_elements_;
 
   base::OneShotTimer security_warning_timer_;
 
   base::WeakPtrFactory<UiSceneManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UiSceneManager);
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_UI_SCENE_MANAGER_H_