juce_ComponentAnimator.h

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 /*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
//==============================================================================
class JUCE_API  ComponentAnimator  : public ChangeBroadcaster,
                                     private Timer
{
public:
    //==============================================================================
    ComponentAnimator();
 
    ~ComponentAnimator() override;
 
    //==============================================================================
    void animateComponent (Component* component,
                           const Rectangle<int>& finalBounds,
                           float finalAlpha,
                           int animationDurationMilliseconds,
                           bool useProxyComponent,
                           double startSpeed,
                           double endSpeed);
 
    void fadeOut (Component* component, int millisecondsToTake);
 
    void fadeIn (Component* component, int millisecondsToTake);
 
    void cancelAnimation (Component* component,
                          bool moveComponentToItsFinalPosition);
 
    void cancelAllAnimations (bool moveComponentsToTheirFinalPositions);
 
    Rectangle<int> getComponentDestination (Component* component);
 
    bool isAnimating (Component* component) const noexcept;
 
    bool isAnimating() const noexcept;
 
private:
    //==============================================================================
    class AnimationTask;
    OwnedArray<AnimationTask> tasks;
    uint32 lastTime;
 
    AnimationTask* findTaskFor (Component*) const noexcept;
    void timerCallback() override;
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ComponentAnimator)
};
 
} // namespace juce