1 files changed, 202 insertions, 0 deletions
diff --git a/src/com/cyngn/theme/chooser/ComponentCardView.java b/src/com/cyngn/theme/chooser/ComponentCardView.java
new file mode 100644
index 0000000..555fc7a
--- /dev/null
+++ b/src/com/cyngn/theme/chooser/ComponentCardView.java
@@ -0,0 +1,202 @@
+package com.cyngn.theme.chooser;
+
+import android.animation.Animator;
+import android.animation.AnimatorSet;
+import android.animation.IntEvaluator;
+import android.animation.ObjectAnimator;
+import android.animation.ValueAnimator;
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.TransitionDrawable;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewOverlay;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+public class ComponentCardView extends LinearLayout {
+    public static final int CARD_FADE_DURATION = 300;
+
+    private static final float SEMI_OPAQUE_ALPHA = 0.2f;
+    private static final int BACKGROUND_SEMI_OPAQUE_ALPHA = (int) (256.0f * SEMI_OPAQUE_ALPHA);
+
+    protected TextView mLabel;
+
+    // Expanded Padding
+    int mExpandPadLeft;
+    int mExpandPadTop;
+    int mExpandPadRight;
+    int mExpandPadBottom;
+
+    public ComponentCardView(Context context) {
+        this(context, null);
+    }
+
+    public ComponentCardView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public ComponentCardView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        mLabel = (TextView) findViewById(R.id.label);
+
+        Resources r = getContext().getResources();
+        mExpandPadLeft =
+                (int) r.getDimension(R.dimen.card_padding_left_right) + getPaddingLeft();
+        mExpandPadTop =
+                (int) r.getDimension(R.dimen.card_padding_top) + getPaddingTop();
+        mExpandPadRight =
+                (int) r.getDimension(R.dimen.card_padding_left_right) + getPaddingRight();
+        mExpandPadBottom =
+                (int) r.getDimension(R.dimen.card_padding_bottom) + getPaddingBottom();
+    }
+
+    public void expand(boolean showLabel) {
+        TransitionDrawable bg = null;
+        if (getBackground() instanceof TransitionDrawable) {
+            bg = (TransitionDrawable) getBackground();
+        }
+        if (bg != null) {
+            Rect paddingRect = new Rect();
+            bg.getPadding(paddingRect);
+        }
+
+        setPadding(mExpandPadLeft, mExpandPadTop, mExpandPadRight, mExpandPadBottom);
+
+        if (mLabel != null) {
+            mLabel.setAlpha(showLabel ? 1f : 0f);
+            mLabel.setVisibility(View.VISIBLE);
+        }
+    }
+
+    public void animateExpand() {
+        if (getBackground() instanceof TransitionDrawable) {
+            TransitionDrawable background = (TransitionDrawable) getBackground();
+            if (mLabel != null) {
+                mLabel.setVisibility(View.VISIBLE);
+                mLabel.setAlpha(0f);
+                mLabel.animate().alpha(1f).setDuration(CARD_FADE_DURATION).start();
+            }
+            background.startTransition(CARD_FADE_DURATION);
+        }
+    }
+
+    public void collapse() {
+        if (mLabel != null) {
+            mLabel.setVisibility(View.GONE);
+        }
+        setPadding(0, 0, 0, 0);
+    }
+
+    public void animateFadeOut() {
+        if (mLabel != null) {
+            mLabel.animate().alpha(0f).setDuration(CARD_FADE_DURATION);
+        }
+
+        if (getBackground() instanceof TransitionDrawable) {
+            TransitionDrawable background = (TransitionDrawable) getBackground();
+            background.reverseTransition(CARD_FADE_DURATION);
+        }
+    }
+
+    /**
+     * Animates the card background and the title to 20% opacity.
+     */
+    public void animateCardFadeOut() {
+        if (mLabel != null) {
+            mLabel.animate().alpha(SEMI_OPAQUE_ALPHA).setDuration(CARD_FADE_DURATION);
+        }
+        final ValueAnimator bgAlphaAnimator = ValueAnimator.ofObject(new IntEvaluator(), 255,
+                BACKGROUND_SEMI_OPAQUE_ALPHA);
+        bgAlphaAnimator.setDuration(CARD_FADE_DURATION);
+        bgAlphaAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+            @Override
+            public void onAnimationUpdate(ValueAnimator animation) {
+                getBackground().setAlpha((Integer) animation.getAnimatedValue());
+            }
+        });
+        bgAlphaAnimator.start();
+    }
+
+    /**
+     * Animates the card background and the title back to full opacity.
+     */
+    public void animateCardFadeIn() {
+        if (getBackground().getAlpha() > 51) return;
+        if (mLabel != null) {
+            mLabel.animate().alpha(1f).setDuration(CARD_FADE_DURATION);
+        }
+        final ValueAnimator bgAlphaAnimator = ValueAnimator.ofObject(new IntEvaluator(),
+                BACKGROUND_SEMI_OPAQUE_ALPHA, 255);
+        bgAlphaAnimator.setDuration(CARD_FADE_DURATION);
+        bgAlphaAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+            @Override
+            public void onAnimationUpdate(ValueAnimator animation) {
+                getBackground().setAlpha((Integer) animation.getAnimatedValue());
+            }
+        });
+        bgAlphaAnimator.start();
+    }
+
+    /**
+     * Animates a change in the content of the card
+     * @param v View in card to animate
+     * @param overlay Drawable to animate as a ViewOverlay
+     * @param duration Duration of animation
+     */
+    public void animateContentChange(View v, final Drawable overlay, long duration) {
+        final ViewOverlay viewOverlay = this.getOverlay();
+        viewOverlay.add(overlay);
+        final int x = (int) v.getX();
+        final int y = (int) v.getY();
+        final int width = v.getWidth();
+        final int height = v.getHeight();
+        overlay.setBounds(x, y, x + v.getWidth(), y + v.getHeight());
+
+        final ValueAnimator overlayAnimator = ValueAnimator.ofFloat(1f, 0f);
+        overlayAnimator.setDuration(duration);
+        overlayAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+            @Override
+            public void onAnimationUpdate(ValueAnimator animation) {
+                float value = (Float) animation.getAnimatedValue();
+                overlay.setAlpha((int) (255 * value));
+                int newWidth = (int) (value * width);
+                int newHeight = (int) (value * height);
+                int dw = (width - newWidth) / 2;
+                int dh = (height - newHeight) / 2;
+                overlay.setBounds(x + dw, y + dh, x + dw + newWidth, y + dh + newHeight);
+            }
+        });
+        overlayAnimator.addListener(new Animator.AnimatorListener() {
+            @Override
+            public void onAnimationStart(Animator animation) {}
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                // Clear out the ViewOverlay now that we are done animating
+                viewOverlay.clear();
+            }
+
+            @Override
+            public void onAnimationCancel(Animator animation) {}
+
+            @Override
+            public void onAnimationRepeat(Animator animation) {}
+        });
+
+        AnimatorSet set = new AnimatorSet();
+        set.play(ObjectAnimator.ofFloat(v, "alpha", 0f, 1f))
+                .with(ObjectAnimator.ofFloat(v, "scaleX", 0f, 1f))
+                .with(ObjectAnimator.ofFloat(v, "scaleY", 0f, 1f));
+        set.setDuration(duration);
+
+        set.start();
+        overlayAnimator.start();
+    }
+}