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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/shelf/shelf_container_view.h"
#include "ash/public/cpp/shelf_config.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/compositor/layer.h"
namespace ash {
ShelfContainerView::ShelfContainerView(ShelfView* shelf_view)
: shelf_view_(shelf_view) {}
ShelfContainerView::~ShelfContainerView() = default;
void ShelfContainerView::Initialize() {
SetPaintToLayer(ui::LAYER_NOT_DRAWN);
layer()->SetFillsBoundsOpaquely(false);
layer()->SetMasksToBounds(true);
shelf_view_->SetPaintToLayer(ui::LAYER_NOT_DRAWN);
shelf_view_->layer()->SetFillsBoundsOpaquely(false);
AddChildViewRaw(shelf_view_.get());
}
gfx::Size ShelfContainerView::CalculateIdealSize(int button_size) const {
const int button_strip_size = shelf_view_->GetSizeOfAppButtons(
shelf_view_->number_of_visible_apps(), button_size);
return shelf_view_->shelf()->IsHorizontalAlignment()
? gfx::Size(button_strip_size, button_size)
: gfx::Size(button_size, button_strip_size);
}
gfx::Size ShelfContainerView::CalculatePreferredSize(
const views::SizeBounds& available_size) const {
return CalculateIdealSize(shelf_view_->GetButtonSize());
}
void ShelfContainerView::ChildPreferredSizeChanged(views::View* child) {
// The CL (https://crrev.com/c/1876128) modifies View::PreferredSizeChanged
// by moving InvalidateLayout() after ChildPreferredSizeChanged(). Meanwhile,
// the parent view of ShelfContainerView overrides ChildPreferredSizeChanged
// with calling DeprecatedLayoutImmediately(). Due to the CL above,
// ShelfContainerView is not labeled as |needs_layout_| when the parent view
// updates the layout. As a result, Calling DeprecatedLayoutImmediately() in
// the parent view may not trigger the update in child view. So we have to
// invalidate the layout here explicitly.
InvalidateLayout();
PreferredSizeChanged();
}
void ShelfContainerView::TranslateShelfView(const gfx::Vector2dF& offset) {
gfx::Transform transform_matrix;
transform_matrix.Translate(-offset);
shelf_view_->SetTransform(transform_matrix);
shelf_view_->NotifyAccessibilityEventDeprecated(
ax::mojom::Event::kLocationChanged, true);
}
BEGIN_METADATA(ShelfContainerView)
END_METADATA
} // namespace ash
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