From 0086d5dc80dd95b1e8e4dcfe2d3d3090d260bb88 Mon Sep 17 00:00:00 2001 From: steckbrief Date: Fri, 4 Dec 2015 23:18:36 +0100 Subject: Implements FS#83: Reload from last received message --- .../library/CircleImageView.java | 149 +++++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/CircleImageView.java (limited to 'libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/CircleImageView.java') diff --git a/libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/CircleImageView.java b/libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/CircleImageView.java new file mode 100644 index 00000000..2609655b --- /dev/null +++ b/libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/CircleImageView.java @@ -0,0 +1,149 @@ +/* + * Copyright (C) 2014 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 com.orangegangsters.github.swipyrefreshlayout.library; + +import android.content.Context; +import android.content.res.Resources; +import android.graphics.Canvas; +import android.graphics.Color; +import android.graphics.Paint; +import android.graphics.RadialGradient; +import android.graphics.Shader; +import android.graphics.drawable.ShapeDrawable; +import android.graphics.drawable.shapes.OvalShape; +import android.support.v4.view.ViewCompat; +import android.view.animation.Animation; +import android.widget.ImageView; + +/** + * Private class created to work around issues with AnimationListeners being + * called before the animation is actually complete and support shadows on older + * platforms. + * + * @hide + */ +class CircleImageView extends ImageView { + + private static final int KEY_SHADOW_COLOR = 0x1E000000; + private static final int FILL_SHADOW_COLOR = 0x3D000000; + // PX + private static final float X_OFFSET = 0f; + private static final float Y_OFFSET = 1.75f; + private static final float SHADOW_RADIUS = 3.5f; + private static final int SHADOW_ELEVATION = 4; + + private Animation.AnimationListener mListener; + private int mShadowRadius; + + public CircleImageView(Context context, int color, final float radius) { + super(context); + final float density = getContext().getResources().getDisplayMetrics().density; + final int diameter = (int) (radius * density * 2); + final int shadowYOffset = (int) (density * Y_OFFSET); + final int shadowXOffset = (int) (density * X_OFFSET); + + mShadowRadius = (int) (density * SHADOW_RADIUS); + + ShapeDrawable circle; + if (elevationSupported()) { + circle = new ShapeDrawable(new OvalShape()); + ViewCompat.setElevation(this, SHADOW_ELEVATION * density); + } else { + OvalShape oval = new OvalShadow(mShadowRadius, diameter); + circle = new ShapeDrawable(oval); + ViewCompat.setLayerType(this, ViewCompat.LAYER_TYPE_SOFTWARE, circle.getPaint()); + circle.getPaint().setShadowLayer(mShadowRadius, shadowXOffset, shadowYOffset, + KEY_SHADOW_COLOR); + final int padding = (int) mShadowRadius; + // set padding so the inner image sits correctly within the shadow. + setPadding(padding, padding, padding, padding); + } + circle.getPaint().setColor(color); + setBackgroundDrawable(circle); + } + + private boolean elevationSupported() { + return android.os.Build.VERSION.SDK_INT >= 21; + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + super.onMeasure(widthMeasureSpec, heightMeasureSpec); + if (!elevationSupported()) { + setMeasuredDimension(getMeasuredWidth() + mShadowRadius*2, getMeasuredHeight() + + mShadowRadius*2); + } + } + + public void setAnimationListener(Animation.AnimationListener listener) { + mListener = listener; + } + + @Override + public void onAnimationStart() { + super.onAnimationStart(); + if (mListener != null) { + mListener.onAnimationStart(getAnimation()); + } + } + + @Override + public void onAnimationEnd() { + super.onAnimationEnd(); + if (mListener != null) { + mListener.onAnimationEnd(getAnimation()); + } + } + + /** + * Update the background color of the circle image view. + */ + public void setBackgroundColor(int colorRes) { + if (getBackground() instanceof ShapeDrawable) { + final Resources res = getResources(); + ((ShapeDrawable) getBackground()).getPaint().setColor(res.getColor(colorRes)); + } + } + + private class OvalShadow extends OvalShape { + private RadialGradient mRadialGradient; + private int mShadowRadius; + private Paint mShadowPaint; + private int mCircleDiameter; + + public OvalShadow(int shadowRadius, int circleDiameter) { + super(); + mShadowPaint = new Paint(); + mShadowRadius = shadowRadius; + mCircleDiameter = circleDiameter; + mRadialGradient = new RadialGradient(mCircleDiameter / 2, mCircleDiameter / 2, + mShadowRadius, new int[] { + FILL_SHADOW_COLOR, Color.TRANSPARENT + }, null, Shader.TileMode.CLAMP); + mShadowPaint.setShader(mRadialGradient); + } + + @Override + public void draw(Canvas canvas, Paint paint) { + final int viewWidth = CircleImageView.this.getWidth(); + final int viewHeight = CircleImageView.this.getHeight(); + canvas.drawCircle(viewWidth / 2, viewHeight / 2, (mCircleDiameter / 2 + mShadowRadius), + mShadowPaint); + canvas.drawCircle(viewWidth / 2, viewHeight / 2, (mCircleDiameter / 2), paint); + } + } +} -- cgit v1.2.3