blob: b651268af732ee95d4f03b21b2fd0b932871dd04 [file] [log] [blame]
// Copyright 2017 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 "base/optional.h"
@class NSView;
namespace ui {
struct ViewTreeProblemDetails {
enum ProblemType {
// |view_a| (the child view) is not entirely contained within the bounds of
// |view_b| (the parent view).
// |view_a| and |view_b|, neither of which is an ancestor of the other,
// overlap each other, and at least one of |view_a| or |view_b| has
// localizable text (is an NSControl or NSText).
ProblemType type;
NSView* view_a;
NSView* view_b;
std::string ToString();
// Validates the view tree rooted at |root|. If at least one problem is found,
// returns a |ViewTreeProblemDetails| as described above; if not, returns an
// empty option.
base::Optional<ViewTreeProblemDetails> ValidateViewTree(NSView* root);
} // namespace ui