chrome/browser/chromeos/first_run/step.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_FIRST_RUN_STEP_H_
   6 #define CHROME_BROWSER_CHROMEOS_FIRST_RUN_STEP_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/time/time.h"
  12
  13 namespace ash {
  14 class FirstRunHelper;
  15 }
  16
  17 namespace gfx {
  18 class Size;
  19 }
  20
  21 namespace chromeos {
  22
  23 class FirstRunActor;
  24
  25 namespace first_run {
  26
  27 class Step {
  28  public:
  29   Step(const std::string& name,
  30        ash::FirstRunHelper* shell_helper,
  31        FirstRunActor* actor);
  32   virtual ~Step();
  33
  34   // Step shows its content.
  35   void Show();
  36
  37   // Called before hiding step.
  38   void OnBeforeHide();
  39
  40   // Called after step has been hidden.
  41   void OnAfterHide();
  42
  43   const std::string& name() const { return name_; }
  44
  45  protected:
  46   ash::FirstRunHelper* shell_helper() const { return shell_helper_; }
  47   FirstRunActor* actor() const { return actor_; }
  48   gfx::Size GetOverlaySize() const;
  49
  50   // Called from Show method.
  51   virtual void DoShow() = 0;
  52
  53   // Called from OnBeforeHide. Step implementation could override this method to
  54   // react on corresponding event.
  55   virtual void DoOnBeforeHide() {}
  56
  57   // Called from OnAfterHide. Step implementation could override this method to
  58   // react on event.
  59   virtual void DoOnAfterHide() {}
  60
  61  private:
  62   // Records time spent on step to UMA.
  63   void RecordCompletion();
  64
  65   std::string name_;
  66   ash::FirstRunHelper* shell_helper_;
  67   FirstRunActor* actor_;
  68   base::Time show_time_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(Step);
  71 };
  72
  73 }  // namespace first_run
  74 }  // namespace chromeos
  75
  76 #endif  // CHROME_BROWSER_CHROMEOS_FIRST_RUN_STEP_H_
  77