| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.support.design.widget; |
| |
| |
| import android.content.res.ColorStateList; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Outline; |
| import android.graphics.PorterDuff; |
| import android.graphics.PorterDuffColorFilter; |
| |
| /** |
| * Lollipop version of {@link CircularBorderDrawable} which accepts tint calls. |
| */ |
| class CircularBorderDrawableLollipop extends CircularBorderDrawable { |
| |
| private ColorStateList mTint; |
| private PorterDuff.Mode mTintMode = PorterDuff.Mode.SRC_IN; |
| private PorterDuffColorFilter mTintFilter; |
| |
| @Override |
| public void draw(Canvas canvas) { |
| boolean clearColorFilter; |
| if (mTintFilter != null && mPaint.getColorFilter() == null) { |
| mPaint.setColorFilter(mTintFilter); |
| clearColorFilter = true; |
| } else { |
| clearColorFilter = false; |
| } |
| |
| super.draw(canvas); |
| |
| if (clearColorFilter) { |
| mPaint.setColorFilter(null); |
| } |
| } |
| |
| @Override |
| public void setTintList(ColorStateList tint) { |
| mTint = tint; |
| mTintFilter = updateTintFilter(tint, mTintMode); |
| invalidateSelf(); |
| } |
| |
| @Override |
| public void setTintMode(PorterDuff.Mode tintMode) { |
| mTintMode = tintMode; |
| mTintFilter = updateTintFilter(mTint, tintMode); |
| invalidateSelf(); |
| } |
| |
| @Override |
| public void getOutline(Outline outline) { |
| copyBounds(mRect); |
| outline.setOval(mRect); |
| } |
| |
| /** |
| * Ensures the tint filter is consistent with the current tint color and |
| * mode. |
| */ |
| private PorterDuffColorFilter updateTintFilter(ColorStateList tint, PorterDuff.Mode tintMode) { |
| if (tint == null || tintMode == null) { |
| return null; |
| } |
| |
| final int color = tint.getColorForState(getState(), Color.TRANSPARENT); |
| return new PorterDuffColorFilter(color, tintMode); |
| } |
| } |