android_translation_layer/src/api-impl/android/graphics/drawable/Drawable.java
Mis012 df03617f13 api-impl: add ClipDrawable from AOSP
taken from AOSP master (commit ed8c91e410671fa153f1587f61d05b303bf94f95)
2025-02-15 21:24:26 +01:00

318 lines
9 KiB
Java

package android.graphics.drawable;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import android.content.res.ColorStateList;
import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.content.res.Resources.Theme;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.GskCanvas;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.util.TypedValue;
public class Drawable {
public static interface Callback {
public void invalidateDrawable(Drawable drawable);
public void scheduleDrawable(Drawable drawable, Runnable runnable, long time);
public void unscheduleDrawable(Drawable drawable, Runnable runnable);
}
static final PorterDuff.Mode DEFAULT_TINT_MODE = PorterDuff.Mode.SRC_IN;
private Rect mBounds = new Rect();
private int[] mStateSet = new int[0];
public long paintable;
private Callback callback = null;
public Drawable() {
this.paintable = native_constructor();
}
public Drawable(long paintable) {
this.paintable = paintable;
}
public int getChangingConfigurations() {
return 0;
}
public void setChangingConfigurations(int bitmap) {}
public ConstantState getConstantState() {
return new ConstantState() {
@Override
public Drawable newDrawable(Resources res) {
return Drawable.this;
}
@Override
public Drawable newDrawable() {
return Drawable.this;
}
@Override
public int getChangingConfigurations() {
return Drawable.this.getChangingConfigurations();
}
};
}
public static abstract class ConstantState {
public abstract Drawable newDrawable(Resources res);
public abstract Drawable newDrawable();
public abstract int getChangingConfigurations();
}
public void setBounds(int left, int top, int right, int bottom) {
boolean changed = left != mBounds.left || top != mBounds.top || right != mBounds.right || bottom != mBounds.bottom;
mBounds.set(left, top, right, bottom);
if (changed)
onBoundsChange(mBounds);
}
public final Rect getBounds() {
return mBounds;
}
public void draw(Canvas canvas) {
if (canvas instanceof GskCanvas) {
if (mBounds.left != 0 || mBounds.top != 0)
canvas.translate(mBounds.left, mBounds.top);
native_draw(paintable, ((GskCanvas)canvas).snapshot, mBounds.width(), mBounds.height());
if (mBounds.left != 0 || mBounds.top != 0)
canvas.translate(-mBounds.left, -mBounds.top);
}
}
public boolean setState(int[] stateSet) {
if (!Arrays.equals(this.mStateSet, stateSet)) {
this.mStateSet = stateSet;
return onStateChange(stateSet);
}
return false;
}
public int[] getState() {
return mStateSet;
}
public void setCallback(Callback callback) {
this.callback = callback;
}
public Callback getCallback() {
return this.callback;
}
public void invalidateSelf() {
native_invalidate(paintable);
/* this shouldn't ever be needed with Gtk, but let's play it safe for now */
if (this.callback != null) {
callback.invalidateDrawable(this);
}
}
public void scheduleSelf(Runnable runnable, long time) {
if (this.callback != null) {
callback.scheduleDrawable(this, runnable, time);
}
}
public void unscheduleSelf(Runnable runnable) {
if (this.callback != null) {
callback.unscheduleDrawable(this, runnable);
}
}
public boolean isVisible() {
return false;
}
public boolean setVisible (boolean visible, boolean restart) {
return false;
}
public void clearColorFilter() {}
public final int getLevel() {return 0;}
public final boolean setLevel(int level) {return false;}
public void setBounds(Rect bounds) {
setBounds(bounds.left, bounds.top, bounds.right, bounds.bottom);
}
public void setColorFilter(int color, PorterDuff.Mode mode) {
setColorFilter(new PorterDuffColorFilter(color, mode));
}
public void setColorFilter(ColorFilter filter) {}
public Drawable mutate() {
return this;
}
public int getIntrinsicWidth() {return -1;}
public int getIntrinsicHeight() {return -1;}
public void setTintList(ColorStateList tint) {}
public void setTint(int tint) {
setTintList(ColorStateList.valueOf(tint));
}
PorterDuffColorFilter updateTintFilter(PorterDuffColorFilter tintFilter, ColorStateList tint, PorterDuff.Mode tintMode) {
System.out.println("updateTintFilter("+tintFilter+", "+tint+", "+tintMode+")");
if (tint == null || tintMode == null) {
return null;
}
final int color = tint.getColorForState(getState(), Color.TRANSPARENT);
if (tintFilter == null || tintFilter.getColor() != color || tintFilter.getMode() != tintMode) {
return new PorterDuffColorFilter(color, tintMode);
}
return tintFilter;
}
public boolean isStateful() {
return false;
}
public void setTintMode(PorterDuff.Mode tintMode) {}
public boolean isProjected () {return false;}
public static Drawable createFromXml(Resources resources, XmlResourceParser parser) throws XmlPullParserException, IOException {
int type;
while ((type=parser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT);
if (type != XmlPullParser.START_TAG)
throw new XmlPullParserException("No start tag found");
return createFromXmlInner(resources, parser, parser, null);
}
public static Drawable createFromXmlInner(Resources resources, XmlPullParser parser, AttributeSet attrs) throws XmlPullParserException, IOException {
return createFromXmlInner(resources, parser, attrs, null);
}
public static Drawable createFromXmlInner(Resources resources, XmlPullParser parser, AttributeSet attrs, Theme theme) throws XmlPullParserException, IOException {
if ("selector".equals(parser.getName())) {
StateListDrawable drawable = new StateListDrawable();
drawable.inflate(resources, parser, attrs, null);
return drawable;
} else if ("shape".equals(parser.getName())) {
GradientDrawable drawable = new GradientDrawable();
drawable.inflate(resources, parser, attrs);
return drawable;
} else if ("bitmap".equals(parser.getName())) {
BitmapDrawable drawable = new BitmapDrawable();
drawable.inflate(resources, parser, attrs, null);
return drawable;
} else if ("transition".equals(parser.getName())) {
return new Drawable();
} else if ("ripple".equals(parser.getName())) {
// FIXME: the non-pressed state of RippleDrawable should be equivalent to this
return new ColorDrawable(0);
} else if ("vector".equals(parser.getName())) {
VectorDrawable drawable = new VectorDrawable();
drawable.inflate(resources, parser, attrs, null);
return drawable;
} else if ("layer-list".equals(parser.getName())) {
LayerDrawable drawable = new LayerDrawable();
drawable.inflate(resources, parser, attrs);
return drawable;
} else if ("nine-patch".equals(parser.getName())) {
return new NinePatchDrawable(resources, null, null, null, null);
} else if ("animation-list".equals(parser.getName())) {
return new AnimationDrawable();
}
return null;
}
public static Drawable createFromResourceStream(Resources resources, TypedValue value, InputStream is, String file,
Object object) {
if (!file.endsWith(".9.png")) {
return new BitmapDrawable(resources, BitmapFactory.decodeStream(is));
}
Path path = Paths.get(android.os.Environment.getExternalStorageDirectory().getPath(), file);
if (!Files.exists(path)) {
try (InputStream inputStream = ClassLoader.getSystemClassLoader().getResourceAsStream(file)) {
if (inputStream != null) {
Files.createDirectories(path.getParent());
Files.copy(inputStream, path);
}
} catch (IOException e) {
e.printStackTrace();
}
}
long paintable = native_paintable_from_path(path.toString());
return new Drawable(paintable);
}
public static Drawable createFromPath(String path) {
if (path == null)
return null;
long paintable = native_paintable_from_path(path);
return new Drawable(paintable);
}
protected boolean onStateChange(int[] stateSet) {
return false;
}
public void setAlpha(int alpha) {}
public boolean getPadding(Rect padding) {
return false;
}
public void copyBounds(Rect bounds) {
bounds.set(mBounds);
}
public int getMinimumWidth() {
return 10; // FIXME
}
public int getMinimumHeight() {
return 10; // FIXME
}
protected void onBoundsChange(Rect bounds) {}
public void setDither(boolean dither) {}
public void setAutoMirrored(boolean mirrored) {}
public void jumpToCurrentState() {}
public boolean setLayoutDirection(int layoutDirection) {
return false;
}
public void setHotspot(float x, float y) {}
protected static native long native_paintable_from_path(String path);
protected native long native_constructor();
protected native void native_invalidate(long paintable);
protected native void native_draw(long paintable, long snapshot, int width, int height);
}