ButtonTooltipBubble

/*
  ==============================================================================

    ButtonTooltipBubble.h
    Created: 13 Aug 2019 2:51:47pm
    Author:  Adam Wilson

  ==============================================================================
  
  This class is designed to add a tooltip to a Button or Button subclass. 
  
  Usage: Add and instantiate as a member in your class. E.g. for a button subclass:
  
  ```
  ButtonTooltipBubble tooltip { *this };
  ```
  
  or for a Button member:
  
  ```
  ButtonTooltipBubble tooltip { myButton };
  ```
*/

#pragma once

#include "JuceHeader.h"

class ButtonTooltipBubble
        :   private MouseListener,
            private Button::Listener,
            private Timer
{
public:
    ButtonTooltipBubble (Button& buttonToWatch) : watchedButton (buttonToWatch)
    {
        watchedButton.addMouseListener (this, true);
        watchedButton.addListener (this);

        if (! tooltipBubble->isOnDesktop())
        {
            tooltipBubble->addToDesktop(0);
            tooltipBubble->setVisible (true);
            tooltipBubble->setAllowedPlacement (BubbleComponent::BubblePlacement::below);
        }
    }

    ~ButtonTooltipBubble()
    {
        watchedButton.removeMouseListener (this);
    }

    void mouseEnter (const MouseEvent&) override
    {
        startTimer(1000);
    }

    void mouseExit (const MouseEvent&) override
    {
        tooltipBubble->setVisible (false);
        stopTimer();
    }

    void buttonClicked (Button *button) override
    {
        tooltipBubble->setVisible (false);
        stopTimer();
    }


    void timerCallback() override
    {
        auto attrString = AttributedString (watchedButton.getTooltip());
        attrString.setColour (Colours::white);
        tooltipBubble->showAt (&watchedButton, attrString, 2000);
        stopTimer();
    }

    SharedResourcePointer<BubbleMessageComponent> tooltipBubble;

private:
    Button& watchedButton;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ButtonTooltipBubble);
};