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      1 // Copyright 2014 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_UI_VIEWS_MENU_TEST_BASE_H_
      6 #define CHROME_BROWSER_UI_VIEWS_MENU_TEST_BASE_H_
      7 
      8 #include "base/callback.h"
      9 #include "base/memory/scoped_ptr.h"
     10 #include "chrome/test/base/view_event_test_base.h"
     11 #include "ui/events/keycodes/keyboard_codes.h"
     12 #include "ui/views/controls/button/menu_button_listener.h"
     13 #include "ui/views/controls/menu/menu_delegate.h"
     14 
     15 namespace views {
     16 class MenuButton;
     17 class MenuItemView;
     18 class MenuRunner;
     19 }
     20 
     21 // This is a convenience base class for menu related tests to provide some
     22 // common functionality.
     23 //
     24 // Subclasses should implement:
     25 //  BuildMenu()            populate the menu
     26 //  DoTestWithMenuOpen()   initiate the test
     27 //
     28 // Subclasses can call:
     29 //  Click()       to post a mouse click on a View
     30 //  KeyPress()    to post a key press
     31 //
     32 // Although it should be possible to post a menu multiple times,
     33 // MenuItemView prevents repeated activation of a menu by clicks too
     34 // close in time.
     35 class MenuTestBase : public ViewEventTestBase,
     36                      public views::MenuButtonListener,
     37                      public views::MenuDelegate {
     38  public:
     39   MenuTestBase();
     40   virtual ~MenuTestBase();
     41 
     42   // Generate a mouse click and run |next| once the event has been processed.
     43   virtual void Click(views::View* view, const base::Closure& next);
     44 
     45   // Generate a keypress and run |next| once the event has been processed.
     46   void KeyPress(ui::KeyboardCode keycode, const base::Closure& next);
     47 
     48   views::MenuItemView* menu() {
     49     return menu_;
     50   }
     51 
     52   int last_command() const {
     53     return last_command_;
     54   }
     55 
     56  protected:
     57   // Called to populate the menu.
     58   virtual void BuildMenu(views::MenuItemView* menu) = 0;
     59 
     60   // Called once the menu is open.
     61   virtual void DoTestWithMenuOpen() = 0;
     62 
     63   // Returns a bitmask of flags to use when creating the |menu_runner_|. By
     64   // default, this is only views::MenuRunner::HAS_MNEMONICS.
     65   virtual int GetMenuRunnerFlags();
     66 
     67   // ViewEventTestBase implementation.
     68   virtual void SetUp() OVERRIDE;
     69   virtual void TearDown() OVERRIDE;
     70   virtual views::View* CreateContentsView() OVERRIDE;
     71   virtual void DoTestOnMessageLoop() OVERRIDE;
     72   virtual gfx::Size GetPreferredSize() const OVERRIDE;
     73 
     74   // views::MenuButtonListener implementation
     75   virtual void OnMenuButtonClicked(views::View* source,
     76                                    const gfx::Point& point) OVERRIDE;
     77 
     78   // views::MenuDelegate implementation
     79   virtual void ExecuteCommand(int id) OVERRIDE;
     80 
     81  private:
     82   views::MenuButton* button_;
     83   views::MenuItemView* menu_;
     84   scoped_ptr<views::MenuRunner> menu_runner_;
     85 
     86   // The command id of the last pressed menu item since the menu was opened.
     87   int last_command_;
     88 
     89   DISALLOW_COPY_AND_ASSIGN(MenuTestBase);
     90 };
     91 
     92 #endif  // CHROME_BROWSER_UI_VIEWS_MENU_TEST_BASE_H_
     93