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 UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_INTERFACE_H_ 6 #define UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_INTERFACE_H_ 7 8 #include "ui/views/controls/menu/menu_runner.h" 9 10 namespace views { 11 12 class MenuItemView; 13 14 namespace internal { 15 16 // An abstract interface for menu runner implementations. 17 // Invoke Release() to destroy. Release() deletes immediately if the menu isn't 18 // showing. If the menu is showing Release() cancels the menu and when the 19 // nested RunMenuAt() call returns deletes itself and the menu. 20 class MenuRunnerImplInterface { 21 public: 22 // Creates a concrete instance for running |menu_model|. 23 // |run_types| is a bitmask of MenuRunner::RunTypes. 24 static MenuRunnerImplInterface* Create(ui::MenuModel* menu_model, 25 int32 run_types); 26 27 // Returns true if we're in a nested message loop running the menu. 28 virtual bool IsRunning() const = 0; 29 30 // See description above class for details. 31 virtual void Release() = 0; 32 33 // Runs the menu. See MenuRunner::RunMenuAt for more details. 34 virtual MenuRunner::RunResult RunMenuAt(Widget* parent, 35 MenuButton* button, 36 const gfx::Rect& bounds, 37 MenuAnchorPosition anchor, 38 int32 run_types) 39 WARN_UNUSED_RESULT = 0; 40 41 // Hides and cancels the menu. 42 virtual void Cancel() = 0; 43 44 // Returns the time from the event which closed the menu - or 0. 45 virtual base::TimeDelta GetClosingEventTime() const = 0; 46 47 protected: 48 // Call Release() to delete. 49 virtual ~MenuRunnerImplInterface() {} 50 }; 51 52 } // namespace internal 53 } // namespace views 54 55 #endif // UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_INTERFACE_H_ 56
