text: // Copyright (c) 2012 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.
  
  #include "ui/views/controls/menu/menu_runner.h"
  
  #include <utility>
  
  #include "ui/views/controls/menu/menu_runner_handler.h"
  #include "ui/views/controls/menu/menu_runner_impl.h"
  #include "ui/views/widget/widget.h"
  
  namespace views {
  
  MenuRunner::MenuRunner(ui::MenuModel* menu_model,
                         int32_t run_types,
                         const base::Closure& on_menu_closed_callback)
      : run_types_(run_types),
        impl_(
            internal::MenuRunnerImplInterface::Create(menu_model,
                                                      run_types,
                                                      on_menu_closed_callback)) {}
  
  MenuRunner::MenuRunner(MenuItemView* menu_view, int32_t run_types)
      : run_types_(run_types), impl_(new internal::MenuRunnerImpl(menu_view)) {}
  
  MenuRunner::~MenuRunner() {
    impl_->Release();
  }
  
  MenuRunner::RunResult MenuRunner::RunMenuAt(Widget* parent,
                                              MenuButton* button,
                                              const gfx::Rect& bounds,
                                              MenuAnchorPosition anchor,
                                              ui::MenuSourceType source_type) {
    // If we are shown on mouse press, we will eat the subsequent mouse down and
    // the parent widget will not be able to reset its state (it might have mouse
    // capture from the mouse down). So we clear its state here.
    if (parent && parent->GetRootView())
      parent->GetRootView()->SetMouseHandler(nullptr);
  
    if (runner_handler_.get()) {
      return runner_handler_->RunMenuAt(
          parent, button, bounds, anchor, source_type, run_types_);
    }
  
    // The parent of the nested menu will have created a DisplayChangeListener, so
    // we avoid creating a DisplayChangeListener if nested. Drop menus are
    // transient, so we don't cancel in that case.
    if ((run_types_ & (IS_NESTED | FOR_DROP)) == 0 && parent) {
      display_change_listener_.reset(
          internal::DisplayChangeListener::Create(parent, this));
    }
  
    if (run_types_ & CONTEXT_MENU) {
      switch (source_type) {
        case ui::MENU_SOURCE_NONE:
        case ui::MENU_SOURCE_KEYBOARD:
        case ui::MENU_SOURCE_MOUSE:
          anchor = MENU_ANCHOR_TOPLEFT;
          break;
        case ui::MENU_SOURCE_TOUCH:
        case ui::MENU_SOURCE_TOUCH_EDIT_MENU:
          anchor = MENU_ANCHOR_BOTTOMCENTER;
          break;
        default:
          break;
      }
    }
  
    return impl_->RunMenuAt(parent, button, bounds, anchor, run_types_);
  }
  
  bool MenuRunner::IsRunning() const {
    return impl_->IsRunning();
  }
  
  void MenuRunner::Cancel() {
    impl_->Cancel();
  }
  
  base::TimeTicks MenuRunner::closing_event_time() const {
    return impl_->GetClosingEventTime();
  }
  
  void MenuRunner::SetRunnerHandler(
      std::unique_ptr<MenuRunnerHandler> runner_handler) {
    runner_handler_ = std::move(runner_handler);
  }
  
  }  // namespace views
  