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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_MENU_TEST_BASE_H_
#define CHROME_BROWSER_UI_VIEWS_MENU_TEST_BASE_H_
#include <array>
#include <memory>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/views/test/view_event_test_base.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/events/keycodes/keyboard_codes.h"
#include "ui/views/accessibility/ax_update_observer.h"
#include "ui/views/controls/menu/menu_delegate.h"
namespace views {
class MenuItemView;
class MenuRunner;
} // namespace views
// This is a convenience base class for menu related tests to provide some
// common functionality.
//
// Subclasses should implement:
// BuildMenu() populate the menu
// DoTestWithMenuOpen() initiate the test
//
// Subclasses can call:
// Click() to post a mouse click on a View
// KeyPress() to post a key press
//
// Although it should be possible to post a menu multiple times,
// MenuItemView prevents repeated activation of a menu by clicks too
// close in time.
class MenuTestBase : public ViewEventTestBase,
public views::AXUpdateObserver,
public views::MenuDelegate {
public:
MenuTestBase();
MenuTestBase(const MenuTestBase&) = delete;
MenuTestBase& operator=(const MenuTestBase&) = delete;
~MenuTestBase() override;
// AXUpdateObserver overrides.
void OnViewEvent(views::View*, ax::mojom::Event event_type) override;
// Generate a mouse click and run |next| once the event has been processed.
virtual void Click(views::View* view, base::OnceClosure next);
// Generate a keypress and run |next| once the event has been processed.
void KeyPress(ui::KeyboardCode keycode, base::OnceClosure next);
views::MenuItemView* menu() { return menu_; }
int last_command() const { return last_command_; }
protected:
views::MenuRunner* menu_runner() { return menu_runner_.get(); }
// Called to populate the menu.
virtual void BuildMenu(views::MenuItemView* menu) = 0;
// Called once the menu is open.
virtual void DoTestWithMenuOpen() = 0;
// Returns a bitmask of flags to use when creating the |menu_runner_|. By
// default, this is only views::MenuRunner::HAS_MNEMONICS.
virtual int GetMenuRunnerFlags();
// ViewEventTestBase implementation.
void SetUp() override;
void TearDown() override;
std::unique_ptr<views::View> CreateContentsView() override;
void DoTestOnMessageLoop() override;
gfx::Size GetPreferredSizeForContents() const override;
// views::MenuDelegate implementation
void ExecuteCommand(int id) override;
int GetAXEventCount(ax::mojom::Event event_type) const;
private:
void ButtonPressed();
raw_ptr<views::MenuButton> button_ = nullptr;
std::unique_ptr<views::MenuRunner> menu_runner_;
// Owned by `menu_runner_`.
raw_ptr<views::MenuItemView> menu_ = nullptr;
// The command id of the last pressed menu item since the menu was opened.
int last_command_;
// The number of AX events fired by type.
static constexpr int kNumEvents =
static_cast<size_t>(ax::mojom::Event::kMaxValue) + 1;
std::array<int, kNumEvents> ax_event_counts_;
};
#endif // CHROME_BROWSER_UI_VIEWS_MENU_TEST_BASE_H_
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