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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_VIEWS_INTERACTION_INTERACTIVE_VIEWS_TEST_INTERNAL_H_
#define UI_VIEWS_INTERACTION_INTERACTIVE_VIEWS_TEST_INTERNAL_H_
#include <compare>
#include <concepts>
#include <map>
#include <memory>
#include <set>
#include <string>
#include <type_traits>
#include <utility>
#include <variant>
#include "base/memory/raw_ptr.h"
#include "base/types/to_address.h"
#include "ui/base/interaction/element_identifier.h"
#include "ui/base/interaction/element_tracker.h"
#include "ui/base/interaction/interaction_sequence.h"
#include "ui/base/interaction/interaction_test_util.h"
#include "ui/base/interaction/interactive_test_internal.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/views/interaction/interaction_test_util_mouse.h"
#include "ui/views/interaction/widget_focus_observer.h"
namespace views {
class NativeWindowTracker;
class View;
} // namespace views
namespace views::test {
class InteractiveViewsTestApi;
namespace internal {
// Provides functionality required by InteractiveViewsTestApi but which needs to
// be hidden from tests inheriting from the API class.
class InteractiveViewsTestPrivate
: public ui::test::internal::InteractiveTestPrivate {
public:
explicit InteractiveViewsTestPrivate(
std::unique_ptr<ui::test::InteractionTestUtil> test_util);
~InteractiveViewsTestPrivate() override;
// base::test::internal::InteractiveTestPrivate:
void OnSequenceComplete() override;
void OnSequenceAborted(
const ui::InteractionSequence::AbortedData& data) override;
void DoTestSetUp() override;
void DoTestTearDown() override;
InteractionTestUtilMouse& mouse_util() { return *mouse_util_; }
InteractionTestUtilMouse::GestureParams GetGestureParamsForStep(
ui::TrackedElement* el,
const ui::InteractionSequence* seq);
// Represents a temporary data stucture used when building Views hierarchies
// into `DebugTreeNode`s.
struct DebugTreeNodeViews {
using Element = std::variant<const View*, const Widget*>;
using List = std::set<DebugTreeNodeViews>;
DebugTreeNodeViews();
DebugTreeNodeViews(const View* view, const ui::TrackedElement* view_el);
explicit DebugTreeNodeViews(const Widget* widget);
DebugTreeNodeViews(DebugTreeNodeViews&&) noexcept;
DebugTreeNodeViews& operator=(DebugTreeNodeViews&&) noexcept;
~DebugTreeNodeViews();
Element impl;
raw_ptr<const ui::TrackedElement> element = nullptr;
gfx::Rect bounds;
// The child nodes; implicitly sorted via <=>.
List children;
// Used to sort lists of `DebugTreeNodeViews`.
std::strong_ordering operator<=>(const DebugTreeNodeViews& other) const;
// Converts to a `DebutTreeNode` using methods of `owner`.
DebugTreeNode ToNode(const InteractiveViewsTestPrivate& owner) const;
};
protected:
// Retrieves the native window from an element. Used by GetWindowHintFor().
virtual gfx::NativeWindow GetNativeWindowFromElement(
ui::TrackedElement* el) const;
// Retrieves the native window from a context. Used by GetWindowHintFor().
virtual gfx::NativeWindow GetNativeWindowFromContext(
ui::ElementContext context) const;
// Use this to register widget focus suppliers.
WidgetFocusSupplierFrame::SupplierList& widget_focus_suppliers() {
return widget_focus_supplier_frame_->supplier_list();
}
// Gets a debug description of a widget.
virtual std::string DebugDumpWidget(const Widget& widget) const;
// InteractiveTestPrivate:
DebugTreeNode DebugDumpElement(const ui::TrackedElement* el) const override;
DebugTreeNode DebugDumpContext(
const ui::ElementContext context) const override;
private:
friend class views::test::InteractiveViewsTestApi;
class WindowHintCacheEntry;
// Provides mouse input simulation.
std::unique_ptr<InteractionTestUtilMouse> mouse_util_;
// Tracks failures when a mouse operation fails.
std::string mouse_error_message_;
// Safely tracks the most recent native window targeted in each context.
// For actions like ClickMouse() or ReleaseMouse(), a pivot element is used
// so only the context is known; a NativeWindowTracker must be used to verify
// that the cached information is still valid.
std::map<ui::ElementContext, WindowHintCacheEntry> window_hint_cache_;
std::unique_ptr<WidgetFocusSupplierFrame> widget_focus_supplier_frame_;
};
template <typename T>
concept IsView = std::convertible_to<std::remove_cvref_t<T>*, View*>;
template <size_t N,
typename F,
typename V = ui::test::internal::NthArgumentOf<N, F>>
requires requires(V v) {
{ *base::to_address(v) } -> IsView;
}
using ViewArgType =
std::remove_cv_t<typename std::pointer_traits<V>::element_type>;
} // namespace internal
} // namespace views::test
#endif // UI_VIEWS_INTERACTION_INTERACTIVE_VIEWS_TEST_INTERNAL_H_
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