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// Copyright (c) 2012 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 "ui/views/window/client_view.h"
#include <memory>
#include "base/check.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/base/hit_test.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
namespace views {
///////////////////////////////////////////////////////////////////////////////
// ClientView, public:
ClientView::ClientView(Widget* widget, View* contents_view)
: contents_view_(contents_view) {
SetLayoutManager(std::make_unique<views::FillLayout>());
}
int ClientView::NonClientHitTest(const gfx::Point& point) {
return bounds().Contains(point) ? HTCLIENT : HTNOWHERE;
}
bool ClientView::CanClose() {
return true;
}
void ClientView::WidgetClosing() {}
///////////////////////////////////////////////////////////////////////////////
// ClientView, View overrides:
gfx::Size ClientView::CalculatePreferredSize() const {
// |contents_view_| is allowed to be NULL up until the point where this view
// is attached to a Container.
return contents_view_ ? contents_view_->GetPreferredSize() : gfx::Size();
}
gfx::Size ClientView::GetMaximumSize() const {
// |contents_view_| is allowed to be NULL up until the point where this view
// is attached to a Container.
return contents_view_ ? contents_view_->GetMaximumSize() : gfx::Size();
}
gfx::Size ClientView::GetMinimumSize() const {
// |contents_view_| is allowed to be NULL up until the point where this view
// is attached to a Container.
return contents_view_ ? contents_view_->GetMinimumSize() : gfx::Size();
}
void ClientView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
node_data->role = ax::mojom::Role::kClient;
}
void ClientView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
// Overridden to do nothing. The NonClientView manually calls Layout on the
// ClientView when it is itself laid out, see comment in
// NonClientView::Layout.
}
void ClientView::ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) {
if (details.is_add && details.child == this) {
DCHECK(GetWidget());
DCHECK(contents_view_); // |contents_view_| must be valid now!
// Insert |contents_view_| at index 0 so it is first in the focus chain.
// (the OK/Cancel buttons are inserted before contents_view_)
// TODO(weili): This seems fragile and can be refactored.
// Tracked at https://crbug.com/1012466.
AddChildViewAt(contents_view_, 0);
} else if (!details.is_add && details.child == contents_view_) {
contents_view_ = nullptr;
}
}
BEGIN_METADATA(ClientView)
METADATA_PARENT_CLASS(View)
END_METADATA()
} // namespace views
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