alexpete
47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include <LyShine/Bus/UiLayoutManagerBus.h>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class UiLayoutManager
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: public UiLayoutManagerBus::Handler
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{
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public: // member functions
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UiLayoutManager(AZ::EntityId canvasEntityId);
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~UiLayoutManager();
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// UiLayoutManagerBus interface implementation
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void MarkToRecomputeLayout(AZ::EntityId entityId) override;
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void MarkToRecomputeLayoutsAffectedByLayoutCellChange(AZ::EntityId entityId, bool isDefaultLayoutCell) override;
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void UnmarkAllLayouts() override;
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void RecomputeMarkedLayouts() override;
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void ComputeLayoutForElementAndDescendants(AZ::EntityId entityId) override;
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// ~UiLayoutManagerBus
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bool HasMarkedLayouts() const { return !m_elementsToRecomputeLayout.empty(); }
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private: // member functions
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AZ_DISABLE_COPY_MOVE(UiLayoutManager);
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void AddToRecomputeLayoutList(AZ::EntityId entityId);
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bool IsParentOfElement(AZ::EntityId checkParentEntity, AZ::EntityId checkChildEntity);
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private: // data
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//! Elements that need to recompute their layouts. Parents should be ahead of their children
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AZStd::list<AZ::EntityId> m_elementsToRecomputeLayout;
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};
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