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// Copyright 2020 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_ASH_ASSISTANT_TEST_SUPPORT_TEST_UTIL_H_
#define CHROME_BROWSER_UI_ASH_ASSISTANT_TEST_SUPPORT_TEST_UTIL_H_
#include <string>
#include <vector>
#include "ui/views/view.h"
namespace ash::assistant {
// Finds any descendents of |parent| with the desired |class_name| and pushes
// them onto the strongly typed |result| vector.
// NOTE: Callers are expected to ensure that casting to <T> makes sense. It is
// preferred to use the two argument variant of FindDescendentsOfClass() when
// possible for stronger type safety.
template <typename T>
void FindDescendentsOfClass(views::View* parent,
const std::string& class_name,
std::vector<T*>* result) {
for (auto* child : parent->children()) {
if (child->GetClassName() == class_name)
result->push_back(static_cast<T*>(child));
FindDescendentsOfClass(child, class_name, result);
}
}
// Finds any descendents of |parent| with class name equal to the static class
// variable |kViewClassName| and pushes them onto the strongly typed |result|
// vector.
// NOTE: This variant of FindDescendentsOfClass() is safer than the three
// argument variant and its usage should be preferred where possible.
template <typename T>
void FindDescendentsOfClass(views::View* parent, std::vector<T*>* result) {
FindDescendentsOfClass(parent, T::kViewClassName, result);
}
} // namespace ash::assistant
#endif // CHROME_BROWSER_UI_ASH_ASSISTANT_TEST_SUPPORT_TEST_UTIL_H_
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