chromeos: move screen lock handling to power manager client

chrome/browser/chromeos/dbus/power_manager_client.h

 // Copyright (c) 2011 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_DBUS_POWER_MANAGER_CLIENT_H_
 #define CHROME_BROWSER_CHROMEOS_DBUS_POWER_MANAGER_CLIENT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 36 matching lines @@
     // |level| is of the range [0, 100].
     // |user_initiated| is true if the action is initiated by the user.
     virtual void BrightnessChanged(int level, bool user_initiated) {}
 
     // Called when power supply polling takes place.  |status| is a data
     // structure that contains the current state of the power supply.
     virtual void PowerChanged(const PowerSupplyStatus& status) {}
 
     // Called when the system resumes from suspend.
     virtual void SystemResumed() {}
+
+    // Called when the screen is locked.
+    virtual void LockScreen() {}
+
+    // Called when the screen is unlocked.
+    virtual void UnlockScreen() {}
+
+    // Called when the screen fails to unlock.
+    virtual void UnlockScreenFailed() {}
   };
 
   // Adds and removes the observer.
   virtual void AddObserver(Observer* observer) = 0;
   virtual void RemoveObserver(Observer* observer) = 0;
 
   // Decreases the screen brightness. |allow_off| controls whether or not
   // it's allowed to turn off the back light.
   virtual void DecreaseScreenBrightness(bool allow_off) = 0;
 
   // Increases the screen brightness.
   virtual void IncreaseScreenBrightness() = 0;
 
   // UI initiated request for power supply status update.
   virtual void RequestStatusUpdate() = 0;
 
   // Requests restart of the system.
   virtual void RequestRestart() = 0;
 
   // Requests shutdown of the system.
   virtual void RequestShutdown() = 0;
 
   // Calculates idle time asynchronously, after the idle time request has
   // replied.  It passes the idle time in seconds to |callback|.  If it
   // encounters some error, it passes -1 to |callback|.
   virtual void CalculateIdleTime(const CalculateIdleTimeCallback& callback) = 0;
 
+  // Notifies PowerManager that a user requested to lock the screen.
+  virtual void NotifyScreenLockRequested() = 0;
+
+  // Notifies PowerManager that screen lock has been completed.
+  virtual void NotifyScreenLockCompleted() = 0;
+
+  // Notifies PowerManager that a user unlocked the screen.
+  virtual void NotifyScreenUnlockRequested() = 0;
+
+  // Notifies PowerManager that screen is unlocked.
+  virtual void NotifyScreenUnlockCompleted() = 0;
+
   // Creates the instance.
   static PowerManagerClient* Create(dbus::Bus* bus);
 
   virtual ~PowerManagerClient();
 
  protected:
   // Create() should be used instead.
   PowerManagerClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PowerManagerClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_DBUS_POWER_MANAGER_CLIENT_H_