ES-DE/es-core/src/components/BusyComponent.cpp

//
//  BusyComponent.cpp
//
//  Animated busy indicator.
//

#include "BusyComponent.h"

#include "components/AnimatedImageComponent.h"
#include "components/ImageComponent.h"
#include "components/TextComponent.h"

// Animation definition.
AnimationFrame BUSY_ANIMATION_FRAMES[] = {
    {":/graphics/busy_0.svg", 300},
    {":/graphics/busy_1.svg", 300},
    {":/graphics/busy_2.svg", 300},
    {":/graphics/busy_3.svg", 300},
};

const AnimationDef BUSY_ANIMATION_DEF = { BUSY_ANIMATION_FRAMES, 4, true };

BusyComponent::BusyComponent(Window* window): GuiComponent(window),
        mBackground(window, ":/graphics/frame.png"), mGrid(window, Vector2i(5, 3))
{
    mAnimation = std::make_shared<AnimatedImageComponent>(mWindow);
    mAnimation->load(&BUSY_ANIMATION_DEF);
    mText = std::make_shared<TextComponent>(mWindow, "WORKING...",
            Font::get(FONT_SIZE_MEDIUM), 0x777777FF);

    // Col 0 = animation, col 1 = spacer, col 2 = text.
    mGrid.setEntry(mAnimation, Vector2i(1, 1), false, true);
    mGrid.setEntry(mText, Vector2i(3, 1), false, true);

    addChild(&mBackground);
    addChild(&mGrid);
}

void BusyComponent::onSizeChanged()
{
    mGrid.setSize(mSize);

    if (mSize.x() == 0 || mSize.y() == 0)
        return;

    const float middleSpacerWidth = 0.01f * Renderer::getScreenWidth();
    const float textHeight = mText->getFont()->getLetterHeight();
    mText->setSize(0, textHeight);
    const float textWidth = mText->getSize().x() + 4;

    mGrid.setColWidthPerc(1, textHeight / mSize.x()); // Animation is square.
    mGrid.setColWidthPerc(2, middleSpacerWidth / mSize.x());
    mGrid.setColWidthPerc(3, textWidth / mSize.x());

    mGrid.setRowHeightPerc(1, textHeight / mSize.y());

    mBackground.fitTo(Vector2f(mGrid.getColWidth(1) +
            mGrid.getColWidth(2) + mGrid.getColWidth(3), textHeight + 2),
        mAnimation->getPosition(), Vector2f(0, 0));
}

void BusyComponent::reset()
{
    //mAnimation->reset();
}