cros: Initial structure for views-based lock.

chrome/browser/chromeos/login/lock/webui_screen_locker.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_LOCK_WEBUI_SCREEN_LOCKER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOCK_WEBUI_SCREEN_LOCKER_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
+#include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/signin_screen_controller.h"
 #include "chrome/browser/chromeos/login/signin_specifics.h"
 #include "chrome/browser/chromeos/login/ui/lock_window.h"
 #include "chrome/browser/chromeos/login/ui/login_display.h"
 #include "chrome/browser/chromeos/login/ui/webui_login_view.h"
 #include "chromeos/dbus/power_manager_client.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "ui/display/display_observer.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_observer.h"
@@ skipping 10 matching lines @@
 namespace login {
 class NetworkStateHelper;
 }
 
 namespace test {
 class WebUIScreenLockerTester;
 }
 
 // Displays a WebUI lock screen based on the Oobe account picker screen.
 class WebUIScreenLocker : public WebUILoginView,
+                          public ScreenLocker::Delegate,
                           public LoginDisplay::Delegate,
                           public views::WidgetObserver,
                           public PowerManagerClient::Observer,
                           public display::DisplayObserver,
                           public content::WebContentsObserver {
  public:
-  enum class FingerprintState {
-    kHidden,
-    kDefault,
-    kSignin,
-    kFailed,
-    kRemoved,
-  };
-
   // Request lock screen preload when the user is idle. Does nothing if
   // preloading is disabled or if the preload hueristics return false.
   static void RequestPreload();
 
   explicit WebUIScreenLocker(ScreenLocker* screen_locker);
   ~WebUIScreenLocker() override;
 
   // Begin initializing the widget and views::WebView that show the lock screen.
   // ScreenLockReady is called when all initialization has finished.
   void LockScreen();
 
-  // Enable/disable password input.
-  void SetInputEnabled(bool enabled);
-
-  // Disables all UI needed and shows error bubble with |message|. If
-  // |sign_out_only| is true then all other input except "Sign Out" button is
-  // blocked.
-  void ShowErrorMessage(int error_msg_id,
-                        HelpAppLauncher::HelpTopic help_topic_id);
-
-  // Close message bubble to clear error messages.
-  void ClearErrors();
-
-  // Allows to have visual effects once unlock authentication is successful,
-  // Must call ScreenLocker::UnlockOnLoginSuccess() once all effects are done.
-  void AnimateAuthenticationSuccess();
-
-  // Called when the webui lock screen is ready. This gets invoked by a
-  // chrome.send from the embedded webui.
-  void OnLockWebUIReady();
-
-  // Called when webui lock screen wallpaper is loaded and displayed.
-  void OnLockBackgroundDisplayed();
-
-  // Called when the webui header bar becomes visible.
-  void OnHeaderBarVisible();
-
-  // Called by ScreenLocker to notify that ash lock animation finishes.
-  void OnAshLockAnimationFinished();
-
-  void SetFingerprintState(const AccountId& account_id, FingerprintState state);
-
  private:
   friend class test::WebUIScreenLockerTester;
 
   // Returns true if the lock screen should be preloaded.
   static bool ShouldPreloadLockScreen();
   // Helper function that creates and preloads a views::WebView.
   static std::unique_ptr<views::WebView> DoPreload(Profile* profile);
 
+  // ScreenLocker::Delegate:
+  void SetPasswordInputEnabled(bool enabled) override;
+  void ShowErrorMessage(int error_msg_id,
+                        HelpAppLauncher::HelpTopic help_topic_id) override;
+  void ClearErrors() override;
+  void AnimateAuthenticationSuccess() override;
+  void OnLockWebUIReady() override;
+  void OnLockBackgroundDisplayed() override;
+  void OnHeaderBarVisible() override;
+  void OnAshLockAnimationFinished() override;
+  void SetFingerprintState(const AccountId& account_id,
+                           ScreenLocker::FingerprintState state) override;
+  content::WebContents* GetWebContents() override;
+
   // LoginDisplay::Delegate:
   void CancelPasswordChangedFlow() override;
   void CompleteLogin(const UserContext& user_context) override;
   base::string16 GetConnectedNetworkName() override;
   bool IsSigninInProgress() const override;
   void Login(const UserContext& user_context,
              const SigninSpecifics& specifics) override;
   void MigrateUserData(const std::string& old_password) override;
   void OnSigninScreenReady() override;
   void OnGaiaScreenReady() override;
@@ skipping 70 matching lines @@
   std::unique_ptr<login::NetworkStateHelper> network_state_helper_;
 
   base::WeakPtrFactory<WebUIScreenLocker> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUIScreenLocker);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOCK_WEBUI_SCREEN_LOCKER_H_