Adding tint support for shadow drawable. (d9a21876) · Commits · e / os / android_packages_apps_Trebuchet

res/values/attrs.xml

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -122,5 +122,6 @@
	<attr name="android:src" />		<attr name="android:src" />
	<attr name="android:shadowColor" />		<attr name="android:shadowColor" />
	<attr name="android:elevation" />		<attr name="android:elevation" />
			<attr name="android:tint" />
	</declare-styleable>		</declare-styleable>
	</resources>		</resources>

src/com/android/launcher3/graphics/ShadowDrawable.java

+33 −0

Original line number	Original line	Diff line number	Diff line
	@@ -16,6 +16,8 @@

	package com.android.launcher3.graphics;		package com.android.launcher3.graphics;

			import android.annotation.TargetApi;
			import android.content.res.ColorStateList;
	import android.content.res.Resources;		import android.content.res.Resources;
	import android.content.res.TypedArray;		import android.content.res.TypedArray;
	import android.graphics.Bitmap;		import android.graphics.Bitmap;
	@@ -26,7 +28,9 @@ import android.graphics.ColorFilter;
	import android.graphics.Paint;		import android.graphics.Paint;
	import android.graphics.PixelFormat;		import android.graphics.PixelFormat;
	import android.graphics.Rect;		import android.graphics.Rect;
			import android.graphics.drawable.ColorDrawable;
	import android.graphics.drawable.Drawable;		import android.graphics.drawable.Drawable;
			import android.os.Build;
	import android.util.AttributeSet;		import android.util.AttributeSet;

	import com.android.launcher3.R;		import com.android.launcher3.R;
	@@ -40,6 +44,7 @@ import java.io.IOException;
	/**		/**
	* A drawable which adds shadow around a child drawable.		* A drawable which adds shadow around a child drawable.
	*/		*/
			@TargetApi(Build.VERSION_CODES.O)
	public class ShadowDrawable extends Drawable {		public class ShadowDrawable extends Drawable {

	private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG \| Paint.FILTER_BITMAP_FLAG);		private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG \| Paint.FILTER_BITMAP_FLAG);
	@@ -99,6 +104,24 @@ public class ShadowDrawable extends Drawable {
	return mState.mIntrinsicWidth;		return mState.mIntrinsicWidth;
	}		}

			@Override
			public boolean canApplyTheme() {
			return mState.canApplyTheme();
			}

			@Override
			public void applyTheme(Resources.Theme t) {
			if (mState.canApplyTheme()) {
			// Workaround since ColorStateList does not expose applyTheme method
			ColorDrawable cd = new ColorDrawable();
			cd.setTintList(mState.mTintColor);
			cd.applyTheme(t);

			mState.mLastDrawnBitmap = null;
			invalidateSelf();
			}
			}

	private void regenerateBitmapCache() {		private void regenerateBitmapCache() {
	Bitmap bitmap = Bitmap.createBitmap(mState.mIntrinsicWidth, mState.mIntrinsicHeight,		Bitmap bitmap = Bitmap.createBitmap(mState.mIntrinsicWidth, mState.mIntrinsicHeight,
	Bitmap.Config.ARGB_8888);		Bitmap.Config.ARGB_8888);
	@@ -109,6 +132,9 @@ public class ShadowDrawable extends Drawable {
	d.setBounds(mState.mShadowSize, mState.mShadowSize,		d.setBounds(mState.mShadowSize, mState.mShadowSize,
	mState.mIntrinsicWidth - mState.mShadowSize,		mState.mIntrinsicWidth - mState.mShadowSize,
	mState.mIntrinsicHeight - mState.mShadowSize);		mState.mIntrinsicHeight - mState.mShadowSize);
			if (mState.mTintColor != null) {
			d.setTint(mState.mTintColor.getDefaultColor());
			}
	d.draw(canvas);		d.draw(canvas);

	Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG \| Paint.FILTER_BITMAP_FLAG);		Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG \| Paint.FILTER_BITMAP_FLAG);
	@@ -146,6 +172,7 @@ public class ShadowDrawable extends Drawable {
	R.styleable.ShadowDrawable_android_shadowColor, Color.BLACK);		R.styleable.ShadowDrawable_android_shadowColor, Color.BLACK);
	mState.mShadowSize = a.getDimensionPixelSize(		mState.mShadowSize = a.getDimensionPixelSize(
	R.styleable.ShadowDrawable_android_elevation, 0);		R.styleable.ShadowDrawable_android_elevation, 0);
			mState.mTintColor = a.getColorStateList(R.styleable.ShadowDrawable_android_tint);

	mState.mIntrinsicHeight = d.getIntrinsicHeight() + 2 * mState.mShadowSize;		mState.mIntrinsicHeight = d.getIntrinsicHeight() + 2 * mState.mShadowSize;
	mState.mIntrinsicWidth = d.getIntrinsicWidth() + 2 * mState.mShadowSize;		mState.mIntrinsicWidth = d.getIntrinsicWidth() + 2 * mState.mShadowSize;
	@@ -165,6 +192,7 @@ public class ShadowDrawable extends Drawable {

	int mShadowColor;		int mShadowColor;
	int mShadowSize;		int mShadowSize;
			ColorStateList mTintColor;

	Bitmap mLastDrawnBitmap;		Bitmap mLastDrawnBitmap;
	ConstantState mChildState;		ConstantState mChildState;
	@@ -178,5 +206,10 @@ public class ShadowDrawable extends Drawable {
	public int getChangingConfigurations() {		public int getChangingConfigurations() {
	return mChangingConfigurations;		return mChangingConfigurations;
	}		}

			@Override
			public boolean canApplyTheme() {
			return mTintColor != null;
			}
	}		}
	}		}