diff options
Diffstat (limited to 'src/com/android/launcher3/PreloadIconDrawable.java')
| -rw-r--r-- | src/com/android/launcher3/PreloadIconDrawable.java | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/src/com/android/launcher3/PreloadIconDrawable.java b/src/com/android/launcher3/PreloadIconDrawable.java deleted file mode 100644 index 973e688d9..000000000 --- a/src/com/android/launcher3/PreloadIconDrawable.java +++ /dev/null @@ -1,252 +0,0 @@ -package com.android.launcher3; - -import android.animation.ObjectAnimator; -import android.content.res.Resources.Theme; -import android.content.res.TypedArray; -import android.graphics.Canvas; -import android.graphics.Color; -import android.graphics.ColorFilter; -import android.graphics.Paint; -import android.graphics.PixelFormat; -import android.graphics.Rect; -import android.graphics.RectF; -import android.graphics.drawable.Drawable; - -public class PreloadIconDrawable extends Drawable { - - private static final float ANIMATION_PROGRESS_STOPPED = -1.0f; - private static final float ANIMATION_PROGRESS_STARTED = 0f; - private static final float ANIMATION_PROGRESS_COMPLETED = 1.0f; - - private static final float MIN_SATURATION = 0.2f; - private static final float MIN_LIGHTNESS = 0.6f; - - private static final float ICON_SCALE_FACTOR = 0.5f; - private static final int DEFAULT_COLOR = 0xFF009688; - - private static final Rect sTempRect = new Rect(); - - private final RectF mIndicatorRect = new RectF(); - private boolean mIndicatorRectDirty; - - private final Paint mPaint; - public final Drawable mIcon; - - private Drawable mBgDrawable; - private int mRingOutset; - - private int mIndicatorColor = 0; - - /** - * Indicates the progress of the preloader [0-100]. If it goes above 100, only the icon - * is shown with no progress bar. - */ - private int mProgress = 0; - - private float mAnimationProgress = ANIMATION_PROGRESS_STOPPED; - private ObjectAnimator mAnimator; - - public PreloadIconDrawable(Drawable icon, Theme theme) { - mIcon = icon; - - mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); - mPaint.setStyle(Paint.Style.STROKE); - mPaint.setStrokeCap(Paint.Cap.ROUND); - - setBounds(icon.getBounds()); - applyPreloaderTheme(theme); - onLevelChange(0); - } - - public void applyPreloaderTheme(Theme t) { - TypedArray ta = t.obtainStyledAttributes(R.styleable.PreloadIconDrawable); - mBgDrawable = ta.getDrawable(R.styleable.PreloadIconDrawable_background); - mBgDrawable.setFilterBitmap(true); - mPaint.setStrokeWidth(ta.getDimension(R.styleable.PreloadIconDrawable_indicatorSize, 0)); - mRingOutset = ta.getDimensionPixelSize(R.styleable.PreloadIconDrawable_ringOutset, 0); - ta.recycle(); - onBoundsChange(getBounds()); - invalidateSelf(); - } - - @Override - protected void onBoundsChange(Rect bounds) { - mIcon.setBounds(bounds); - if (mBgDrawable != null) { - sTempRect.set(bounds); - sTempRect.inset(-mRingOutset, -mRingOutset); - mBgDrawable.setBounds(sTempRect); - } - mIndicatorRectDirty = true; - } - - public int getOutset() { - return mRingOutset; - } - - /** - * The size of the indicator is same as the content region of the {@link #mBgDrawable} minus - * half the stroke size to accommodate the indicator. - */ - private void initIndicatorRect() { - Drawable d = mBgDrawable; - Rect bounds = d.getBounds(); - - d.getPadding(sTempRect); - // Amount by which padding has to be scaled - float paddingScaleX = ((float) bounds.width()) / d.getIntrinsicWidth(); - float paddingScaleY = ((float) bounds.height()) / d.getIntrinsicHeight(); - mIndicatorRect.set( - bounds.left + sTempRect.left * paddingScaleX, - bounds.top + sTempRect.top * paddingScaleY, - bounds.right - sTempRect.right * paddingScaleX, - bounds.bottom - sTempRect.bottom * paddingScaleY); - - float inset = mPaint.getStrokeWidth() / 2; - mIndicatorRect.inset(inset, inset); - mIndicatorRectDirty = false; - } - - @Override - public void draw(Canvas canvas) { - final Rect r = new Rect(getBounds()); - if (canvas.getClipBounds(sTempRect) && !Rect.intersects(sTempRect, r)) { - // The draw region has been clipped. - return; - } - if (mIndicatorRectDirty) { - initIndicatorRect(); - } - final float iconScale; - - if ((mAnimationProgress >= ANIMATION_PROGRESS_STARTED) - && (mAnimationProgress < ANIMATION_PROGRESS_COMPLETED)) { - mPaint.setAlpha((int) ((1 - mAnimationProgress) * 255)); - mBgDrawable.setAlpha(mPaint.getAlpha()); - mBgDrawable.draw(canvas); - canvas.drawOval(mIndicatorRect, mPaint); - - iconScale = ICON_SCALE_FACTOR + (1 - ICON_SCALE_FACTOR) * mAnimationProgress; - } else if (mAnimationProgress == ANIMATION_PROGRESS_STOPPED) { - mPaint.setAlpha(255); - iconScale = ICON_SCALE_FACTOR; - mBgDrawable.setAlpha(255); - mBgDrawable.draw(canvas); - - if (mProgress >= 100) { - canvas.drawOval(mIndicatorRect, mPaint); - } else if (mProgress > 0) { - canvas.drawArc(mIndicatorRect, -90, mProgress * 3.6f, false, mPaint); - } - } else { - iconScale = 1; - } - - canvas.save(); - canvas.scale(iconScale, iconScale, r.exactCenterX(), r.exactCenterY()); - mIcon.draw(canvas); - canvas.restore(); - } - - @Override - public int getOpacity() { - return PixelFormat.TRANSLUCENT; - } - - @Override - public void setAlpha(int alpha) { - mIcon.setAlpha(alpha); - } - - @Override - public void setColorFilter(ColorFilter cf) { - mIcon.setColorFilter(cf); - } - - @Override - protected boolean onLevelChange(int level) { - mProgress = level; - - // Stop Animation - if (mAnimator != null) { - mAnimator.cancel(); - mAnimator = null; - } - mAnimationProgress = ANIMATION_PROGRESS_STOPPED; - if (level > 0) { - // Set the paint color only when the level changes, so that the dominant color - // is only calculated when needed. - mPaint.setColor(getIndicatorColor()); - } - if (mIcon instanceof FastBitmapDrawable) { - ((FastBitmapDrawable) mIcon).setIsDisabled(level < 100); - } - - invalidateSelf(); - return true; - } - - /** - * Runs the finish animation if it is has not been run after last level change. - */ - public void maybePerformFinishedAnimation() { - if (mAnimationProgress > ANIMATION_PROGRESS_STOPPED) { - return; - } - if (mAnimator != null) { - mAnimator.cancel(); - } - setAnimationProgress(ANIMATION_PROGRESS_STARTED); - mAnimator = ObjectAnimator.ofFloat(this, "animationProgress", - ANIMATION_PROGRESS_STARTED, ANIMATION_PROGRESS_COMPLETED); - mAnimator.start(); - } - - public void setAnimationProgress(float progress) { - if (progress != mAnimationProgress) { - mAnimationProgress = progress; - invalidateSelf(); - } - } - - public float getAnimationProgress() { - return mAnimationProgress; - } - - public boolean hasNotCompleted() { - return mAnimationProgress < ANIMATION_PROGRESS_COMPLETED; - } - - @Override - public int getIntrinsicHeight() { - return mIcon.getIntrinsicHeight(); - } - - @Override - public int getIntrinsicWidth() { - return mIcon.getIntrinsicWidth(); - } - - private int getIndicatorColor() { - if (mIndicatorColor != 0) { - return mIndicatorColor; - } - if (!(mIcon instanceof FastBitmapDrawable)) { - mIndicatorColor = DEFAULT_COLOR; - return mIndicatorColor; - } - mIndicatorColor = Utilities.findDominantColorByHue( - ((FastBitmapDrawable) mIcon).getBitmap(), 20); - - // Make sure that the dominant color has enough saturation to be visible properly. - float[] hsv = new float[3]; - Color.colorToHSV(mIndicatorColor, hsv); - if (hsv[1] < MIN_SATURATION) { - mIndicatorColor = DEFAULT_COLOR; - return mIndicatorColor; - } - hsv[2] = Math.max(MIN_LIGHTNESS, hsv[2]); - mIndicatorColor = Color.HSVToColor(hsv); - return mIndicatorColor; - } -} |