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// 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 "chrome/browser/ui/views/payments/validating_combobox.h"
#include <utility>
#include "ui/base/models/combobox_model.h"
namespace payments {
ValidatingCombobox::ValidatingCombobox(
std::unique_ptr<ui::ComboboxModel> model,
std::unique_ptr<ValidationDelegate> delegate)
: Combobox(std::move(model)), delegate_(std::move(delegate)) {
// No need to remove observer on owned model.
this->model()->AddObserver(this);
SetFocusBehavior(FocusBehavior::ALWAYS);
}
ValidatingCombobox::~ValidatingCombobox() {}
void ValidatingCombobox::OnBlur() {
Combobox::OnBlur();
// Validations will occur when the content changes. Do not validate if the
// view is being removed.
if (!being_removed_) {
Validate();
}
}
void ValidatingCombobox::ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) {
if (details.child == this && !details.is_add)
being_removed_ = true;
}
void ValidatingCombobox::OnContentsChanged() {
Validate();
}
void ValidatingCombobox::OnComboboxModelChanged(
ui::ComboboxModel* unused_model) {
ModelChanged();
delegate_->ComboboxModelChanged(this);
}
bool ValidatingCombobox::IsValid() {
base::string16 unused;
return delegate_->IsValidCombobox(this, &unused);
}
void ValidatingCombobox::Validate() {
// ComboboxValueChanged may have side-effects, such as displaying errors.
SetInvalid(!delegate_->ComboboxValueChanged(this));
}
} // namespace payments
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