SlsInsertionIndicatorHandler.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
 
#pragma once
 
#include <controller/SlsAnimator.hxx>
 
#include <view/SlsLayouter.hxx>
 
namespace sd::slidesorter { class SlideSorter; }
namespace sd::slidesorter::view {
class InsertAnimator;
class InsertionIndicatorOverlay;
}
 
class SdTransferable;
 
namespace sd::slidesorter::controller {
 
class InsertionIndicatorHandler
{
public:
    InsertionIndicatorHandler (SlideSorter& rSlideSorter);
    ~InsertionIndicatorHandler() COVERITY_NOEXCEPT_FALSE;
 
    enum Mode { CopyMode, MoveMode, UnknownMode };
    static Mode GetModeFromDndAction (const sal_Int8 nDndAction);
 
    void Start (const bool bIsOverSourceView);
 
    void End (const controller::Animator::AnimationMode eMode);
 
    class ForceShowContext
    {
    public:
        ForceShowContext (std::shared_ptr<InsertionIndicatorHandler> pHandler);
        ~ForceShowContext() COVERITY_NOEXCEPT_FALSE;
    private:
        const std::shared_ptr<InsertionIndicatorHandler> mpHandler;
    };
 
    void UpdateIndicatorIcon (const SdTransferable* pTransferable);
 
    void UpdatePosition (
        const Point& rMouseModelPosition,
        const Mode eMode);
    void UpdatePosition (
        const Point& rMouseModelPosition,
        const sal_Int8 nDndAction);
 
    bool IsActive() const { return mbIsActive;}
 
    sal_Int32 GetInsertionPageIndex() const;
 
    bool IsInsertionTrivial (
        const sal_Int32 nInsertionIndex,
        const Mode eMode) const;
    bool IsInsertionTrivial (const sal_Int8 nDndAction);
 
private:
    SlideSorter& mrSlideSorter;
    std::shared_ptr<view::InsertAnimator> mpInsertAnimator;
    std::shared_ptr<view::InsertionIndicatorOverlay> mpInsertionIndicatorOverlay;
    view::InsertPosition maInsertPosition;
    Mode meMode;
    bool mbIsInsertionTrivial;
    bool mbIsActive;
    bool mbIsReadOnly;
    bool mbIsOverSourceView;
    Size maIconSize;
    bool mbIsForcedShow;
 
    void SetPosition (
        const Point& rPoint,
        const Mode eMode);
    std::shared_ptr<view::InsertAnimator> const & GetInsertAnimator();
 
    void ForceShow();
    void ForceEnd();
};
 
} // end of namespace ::sd::slidesorter::controller
 
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