Source code
package android.support.v4.graphics.drawable;
import android.content.res.ColorStateList;
import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.PorterDuff.Mode;
import android.graphics.Rect;
import android.graphics.Region;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.Drawable.Callback;
class DrawableWrapperDonut extends Drawable implements Callback, DrawableWrapper {
static final Mode DEFAULT_MODE = Mode.SRC_IN;
private boolean mColorFilterSet;
private int mCurrentColor;
private Mode mCurrentMode;
Drawable mDrawable;
private ColorStateList mTintList;
private Mode mTintMode = DEFAULT_MODE;
DrawableWrapperDonut(Drawable drawable) {
setWrappedDrawable(drawable);
}
public void draw(Canvas canvas) {
this.mDrawable.draw(canvas);
}
protected void onBoundsChange(Rect bounds) {
this.mDrawable.setBounds(bounds);
}
public void setChangingConfigurations(int configs) {
this.mDrawable.setChangingConfigurations(configs);
}
public int getChangingConfigurations() {
return this.mDrawable.getChangingConfigurations();
}
public void setDither(boolean dither) {
this.mDrawable.setDither(dither);
}
public void setFilterBitmap(boolean filter) {
this.mDrawable.setFilterBitmap(filter);
}
public void setAlpha(int alpha) {
this.mDrawable.setAlpha(alpha);
}
public void setColorFilter(ColorFilter cf) {
this.mDrawable.setColorFilter(cf);
}
public boolean isStateful() {
return (this.mTintList != null && this.mTintList.isStateful()) || this.mDrawable.isStateful();
}
public boolean setState(int[] stateSet) {
return updateTint(stateSet) || this.mDrawable.setState(stateSet);
}
public int[] getState() {
return this.mDrawable.getState();
}
public Drawable getCurrent() {
return this.mDrawable.getCurrent();
}
public boolean setVisible(boolean visible, boolean restart) {
return super.setVisible(visible, restart) || this.mDrawable.setVisible(visible, restart);
}
public int getOpacity() {
return this.mDrawable.getOpacity();
}
public Region getTransparentRegion() {
return this.mDrawable.getTransparentRegion();
}
public int getIntrinsicWidth() {
return this.mDrawable.getIntrinsicWidth();
}
public int getIntrinsicHeight() {
return this.mDrawable.getIntrinsicHeight();
}
public int getMinimumWidth() {
return this.mDrawable.getMinimumWidth();
}
public int getMinimumHeight() {
return this.mDrawable.getMinimumHeight();
}
public boolean getPadding(Rect padding) {
return this.mDrawable.getPadding(padding);
}
public Drawable mutate() {
Drawable wrapped = this.mDrawable;
Drawable mutated = wrapped.mutate();
if (mutated != wrapped) {
setWrappedDrawable(mutated);
}
return this;
}
public void invalidateDrawable(Drawable who) {
invalidateSelf();
}
public void scheduleDrawable(Drawable who, Runnable what, long when) {
scheduleSelf(what, when);
}
public void unscheduleDrawable(Drawable who, Runnable what) {
unscheduleSelf(what);
}
protected boolean onLevelChange(int level) {
return this.mDrawable.setLevel(level);
}
public void setTint(int tint) {
setTintList(ColorStateList.valueOf(tint));
}
public void setTintList(ColorStateList tint) {
this.mTintList = tint;
updateTint(getState());
}
public void setTintMode(Mode tintMode) {
this.mTintMode = tintMode;
updateTint(getState());
}
private boolean updateTint(int[] state) {
if (this.mTintList == null || this.mTintMode == null) {
this.mColorFilterSet = false;
clearColorFilter();
} else {
int color = this.mTintList.getColorForState(state, this.mTintList.getDefaultColor());
Mode mode = this.mTintMode;
if (!(this.mColorFilterSet && color == this.mCurrentColor && mode == this.mCurrentMode)) {
setColorFilter(color, mode);
this.mCurrentColor = color;
this.mCurrentMode = mode;
this.mColorFilterSet = true;
return true;
}
}
return false;
}
public Drawable getWrappedDrawable() {
return this.mDrawable;
}
public void setWrappedDrawable(Drawable drawable) {
if (this.mDrawable != null) {
this.mDrawable.setCallback(null);
}
this.mDrawable = drawable;
if (drawable != null) {
drawable.setCallback(this);
}
invalidateSelf();
}
}