diff options
Diffstat (limited to 'graphics/java/android/graphics/drawable/MaterialProgressDrawable.java')
| -rw-r--r-- | graphics/java/android/graphics/drawable/MaterialProgressDrawable.java | 548 |
1 files changed, 0 insertions, 548 deletions
diff --git a/graphics/java/android/graphics/drawable/MaterialProgressDrawable.java b/graphics/java/android/graphics/drawable/MaterialProgressDrawable.java deleted file mode 100644 index c484094..0000000 --- a/graphics/java/android/graphics/drawable/MaterialProgressDrawable.java +++ /dev/null @@ -1,548 +0,0 @@ -/* - * 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 android.graphics.drawable; - -import android.animation.Animator; -import android.animation.ObjectAnimator; -import android.animation.TimeInterpolator; -import android.content.res.ColorStateList; -import android.content.res.Resources; -import android.content.res.Resources.Theme; -import android.content.res.TypedArray; -import android.graphics.Canvas; -import android.graphics.Color; -import android.graphics.ColorFilter; -import android.graphics.Paint; -import android.graphics.PorterDuffColorFilter; -import android.graphics.Paint.Cap; -import android.graphics.Paint.Style; -import android.graphics.PorterDuff.Mode; -import android.graphics.PixelFormat; -import android.graphics.Rect; -import android.graphics.RectF; -import android.util.AttributeSet; -import android.view.animation.AccelerateDecelerateInterpolator; -import android.view.animation.LinearInterpolator; - -import com.android.internal.R; - -import org.xmlpull.v1.XmlPullParser; -import org.xmlpull.v1.XmlPullParserException; - -import java.io.IOException; -import java.util.ArrayList; - -/** - * Fancy progress indicator for Material theme. - * - * TODO: Replace this class with something less ridiculous. - */ -class MaterialProgressDrawable extends Drawable implements Animatable { - private static final TimeInterpolator LINEAR_INTERPOLATOR = new LinearInterpolator(); - private static final TimeInterpolator END_CURVE_INTERPOLATOR = new EndCurveInterpolator(); - private static final TimeInterpolator START_CURVE_INTERPOLATOR = new StartCurveInterpolator(); - - /** The duration of a single progress spin in milliseconds. */ - private static final int ANIMATION_DURATION = 1000 * 80 / 60; - - /** The number of points in the progress "star". */ - private static final int NUM_POINTS = 5; - - /** The list of animators operating on this drawable. */ - private final ArrayList<Animator> mAnimators = new ArrayList<Animator>(); - - /** The indicator ring, used to manage animation state. */ - private final Ring mRing; - - private MaterialProgressState mState; - private PorterDuffColorFilter mTintFilter; - - /** Canvas rotation in degrees. */ - private float mRotation; - - private boolean mMutated; - - public MaterialProgressDrawable() { - this(new MaterialProgressState(null), null); - } - - private MaterialProgressDrawable(MaterialProgressState state, Theme theme) { - mState = state; - if (theme != null && state.canApplyTheme()) { - applyTheme(theme); - } - - mRing = new Ring(mCallback); - mMutated = false; - - initializeFromState(); - setupAnimators(); - } - - private void initializeFromState() { - final MaterialProgressState state = mState; - - final Ring ring = mRing; - ring.setStrokeWidth(state.mStrokeWidth); - - final int color = state.mColor.getColorForState(getState(), Color.TRANSPARENT); - ring.setColor(color); - - final float minEdge = Math.min(state.mWidth, state.mHeight); - if (state.mInnerRadius <= 0 || minEdge < 0) { - ring.setInsets((int) Math.ceil(state.mStrokeWidth / 2.0f)); - } else { - float insets = minEdge / 2.0f - state.mInnerRadius; - ring.setInsets(insets); - } - - mTintFilter = updateTintFilter(mTintFilter, state.mTint, state.mTintMode); - } - - @Override - public Drawable mutate() { - if (!mMutated && super.mutate() == this) { - mState = new MaterialProgressState(mState); - mMutated = true; - } - return this; - } - - @Override - protected boolean onStateChange(int[] stateSet) { - boolean changed = super.onStateChange(stateSet); - - final MaterialProgressState state = mState; - final int color = state.mColor.getColorForState(stateSet, Color.TRANSPARENT); - if (color != mRing.getColor()) { - mRing.setColor(color); - changed = true; - } - - if (state.mTint != null && state.mTintMode != null) { - mTintFilter = updateTintFilter(mTintFilter, state.mTint, state.mTintMode); - changed = true; - } - - return changed; - } - - @Override - public boolean isStateful() { - return super.isStateful() || mState.mColor.isStateful(); - } - - @Override - public void inflate(Resources r, XmlPullParser parser, AttributeSet attrs, Theme theme) - throws XmlPullParserException, IOException { - final TypedArray a = obtainAttributes(r, theme, attrs, R.styleable.MaterialProgressDrawable); - super.inflateWithAttributes(r, parser, a, R.styleable.MaterialProgressDrawable_visible); - updateStateFromTypedArray(a); - a.recycle(); - - initializeFromState(); - } - - @Override - public void applyTheme(Theme t) { - final TypedArray a = t.resolveAttributes(mState.mThemeAttrs, - R.styleable.MaterialProgressDrawable); - updateStateFromTypedArray(a); - a.recycle(); - } - - private void updateStateFromTypedArray(TypedArray a) { - final MaterialProgressState state = mState; - state.mThemeAttrs = a.extractThemeAttrs(); - state.mWidth = a.getDimensionPixelSize( - R.styleable.MaterialProgressDrawable_width, state.mWidth); - state.mHeight = a.getDimensionPixelSize( - R.styleable.MaterialProgressDrawable_height, state.mHeight); - state.mInnerRadius = a.getDimension( - R.styleable.MaterialProgressDrawable_innerRadius, state.mInnerRadius); - state.mStrokeWidth = a.getDimension( - R.styleable.MaterialProgressDrawable_thickness, state.mStrokeWidth); - - if (a.hasValue(R.styleable.MaterialProgressDrawable_color)) { - state.mColor = a.getColorStateList(R.styleable.MaterialProgressDrawable_color); - } - } - - @Override - public boolean setVisible(boolean visible, boolean restart) { - boolean changed = super.setVisible(visible, restart); - if (visible) { - if (changed || restart) { - start(); - } - } else { - stop(); - } - return changed; - } - - @Override - public int getIntrinsicHeight() { - return mState.mHeight; - } - - @Override - public int getIntrinsicWidth() { - return mState.mWidth; - } - - @Override - public void draw(Canvas c) { - final Rect bounds = getBounds(); - final int saveCount = c.save(); - c.rotate(mRotation, bounds.exactCenterX(), bounds.exactCenterY()); - mRing.draw(c, bounds); - c.restoreToCount(saveCount); - } - - @Override - public void setAlpha(int alpha) { - mRing.setAlpha(alpha); - } - - @Override - public int getAlpha() { - return mRing.getAlpha(); - } - - @Override - public void setColorFilter(ColorFilter colorFilter) { - mRing.setColorFilter(colorFilter); - } - - @Override - public ColorFilter getColorFilter() { - return mRing.getColorFilter(); - } - - @Override - public void setTint(ColorStateList tint, Mode tintMode) { - if (mState.mTint != tint || mState.mTintMode != tintMode) { - mState.mTint = tint; - mState.mTintMode = tintMode; - - mTintFilter = updateTintFilter(mTintFilter, tint, tintMode); - invalidateSelf(); - } - } - - @SuppressWarnings("unused") - private void setRotation(float rotation) { - mRotation = rotation; - invalidateSelf(); - } - - @SuppressWarnings("unused") - private float getRotation() { - return mRotation; - } - - @Override - public int getOpacity() { - return PixelFormat.TRANSLUCENT; - } - - @Override - public boolean isRunning() { - final ArrayList<Animator> animators = mAnimators; - final int N = animators.size(); - for (int i = 0; i < N; i++) { - final Animator animator = animators.get(i); - if (animator.isRunning()) { - return true; - } - } - return false; - } - - @Override - public void start() { - final ArrayList<Animator> animators = mAnimators; - final int N = animators.size(); - for (int i = 0; i < N; i++) { - final Animator animator = animators.get(i); - if (animator.isPaused()) { - animator.resume(); - } else if (!animator.isRunning()){ - animator.start(); - } - } - } - - @Override - public void stop() { - final ArrayList<Animator> animators = mAnimators; - final int N = animators.size(); - for (int i = 0; i < N; i++) { - final Animator animator = animators.get(i); - animator.pause(); - } - } - - private void setupAnimators() { - final Ring ring = mRing; - - final ObjectAnimator endTrim = ObjectAnimator.ofFloat(ring, "endTrim", 0, 0.75f); - endTrim.setDuration(ANIMATION_DURATION); - endTrim.setInterpolator(START_CURVE_INTERPOLATOR); - endTrim.setRepeatCount(ObjectAnimator.INFINITE); - endTrim.setRepeatMode(ObjectAnimator.RESTART); - - final ObjectAnimator startTrim = ObjectAnimator.ofFloat(ring, "startTrim", 0.0f, 0.75f); - startTrim.setDuration(ANIMATION_DURATION); - startTrim.setInterpolator(END_CURVE_INTERPOLATOR); - startTrim.setRepeatCount(ObjectAnimator.INFINITE); - startTrim.setRepeatMode(ObjectAnimator.RESTART); - - final ObjectAnimator rotation = ObjectAnimator.ofFloat(ring, "rotation", 0.0f, 0.25f); - rotation.setDuration(ANIMATION_DURATION); - rotation.setInterpolator(LINEAR_INTERPOLATOR); - rotation.setRepeatCount(ObjectAnimator.INFINITE); - rotation.setRepeatMode(ObjectAnimator.RESTART); - - final ObjectAnimator groupRotation = ObjectAnimator.ofFloat(this, "rotation", 0.0f, 360.0f); - groupRotation.setDuration(NUM_POINTS * ANIMATION_DURATION); - groupRotation.setInterpolator(LINEAR_INTERPOLATOR); - groupRotation.setRepeatCount(ObjectAnimator.INFINITE); - groupRotation.setRepeatMode(ObjectAnimator.RESTART); - - mAnimators.add(endTrim); - mAnimators.add(startTrim); - mAnimators.add(rotation); - mAnimators.add(groupRotation); - } - - private final Callback mCallback = new Callback() { - @Override - public void invalidateDrawable(Drawable d) { - invalidateSelf(); - } - - @Override - public void scheduleDrawable(Drawable d, Runnable what, long when) { - scheduleSelf(what, when); - } - - @Override - public void unscheduleDrawable(Drawable d, Runnable what) { - unscheduleSelf(what); - } - }; - - private static class MaterialProgressState extends ConstantState { - private int[] mThemeAttrs = null; - private float mStrokeWidth = 5.0f; - private float mInnerRadius = -1.0f; - private int mWidth = -1; - private int mHeight = -1; - private ColorStateList mColor = ColorStateList.valueOf(Color.TRANSPARENT); - private ColorStateList mTint = null; - private Mode mTintMode = null; - - public MaterialProgressState(MaterialProgressState orig) { - if (orig != null) { - mThemeAttrs = orig.mThemeAttrs; - mStrokeWidth = orig.mStrokeWidth; - mInnerRadius = orig.mInnerRadius; - mWidth = orig.mWidth; - mHeight = orig.mHeight; - mColor = orig.mColor; - mTint = orig.mTint; - mTintMode = orig.mTintMode; - } - } - - @Override - public boolean canApplyTheme() { - return mThemeAttrs != null; - } - - @Override - public Drawable newDrawable() { - return newDrawable(null, null); - } - - @Override - public Drawable newDrawable(Resources res) { - return newDrawable(res, null); - } - - @Override - public Drawable newDrawable(Resources res, Theme theme) { - return new MaterialProgressDrawable(this, theme); - } - - @Override - public int getChangingConfigurations() { - return 0; - } - } - - private static class Ring { - private final RectF mTempBounds = new RectF(); - private final Paint mPaint = new Paint(); - - private final Callback mCallback; - - private float mStartTrim = 0.0f; - private float mEndTrim = 0.0f; - private float mRotation = 0.0f; - private float mStrokeWidth = 5.0f; - private float mStrokeInset = 2.5f; - - private int mAlpha = 0xFF; - private int mColor = Color.BLACK; - - public Ring(Callback callback) { - mCallback = callback; - - mPaint.setStrokeCap(Cap.ROUND); - mPaint.setAntiAlias(true); - mPaint.setStyle(Style.STROKE); - } - - public void draw(Canvas c, Rect bounds) { - final RectF arcBounds = mTempBounds; - arcBounds.set(bounds); - arcBounds.inset(mStrokeInset, mStrokeInset); - - final float startAngle = (mStartTrim + mRotation) * 360; - final float endAngle = (mEndTrim + mRotation) * 360; - float sweepAngle = endAngle - startAngle; - - // Ensure the sweep angle isn't too small to draw. - final float diameter = Math.min(arcBounds.width(), arcBounds.height()); - final float minAngle = (float) (360.0 / (diameter * Math.PI)); - if (sweepAngle < minAngle && sweepAngle > -minAngle) { - sweepAngle = Math.signum(sweepAngle) * minAngle; - } - - c.drawArc(arcBounds, startAngle, sweepAngle, false, mPaint); - } - - public void setColorFilter(ColorFilter filter) { - mPaint.setColorFilter(filter); - invalidateSelf(); - } - - public ColorFilter getColorFilter() { - return mPaint.getColorFilter(); - } - - public void setAlpha(int alpha) { - mAlpha = alpha; - mPaint.setColor(mColor & 0xFFFFFF | alpha << 24); - invalidateSelf(); - } - - public int getAlpha() { - return mAlpha; - } - - public void setColor(int color) { - mColor = color; - mPaint.setColor(color & 0xFFFFFF | mAlpha << 24); - invalidateSelf(); - } - - public int getColor() { - return mColor; - } - - public void setStrokeWidth(float strokeWidth) { - mStrokeWidth = strokeWidth; - mPaint.setStrokeWidth(strokeWidth); - invalidateSelf(); - } - - @SuppressWarnings("unused") - public float getStrokeWidth() { - return mStrokeWidth; - } - - @SuppressWarnings("unused") - public void setStartTrim(float startTrim) { - mStartTrim = startTrim; - invalidateSelf(); - } - - @SuppressWarnings("unused") - public float getStartTrim() { - return mStartTrim; - } - - @SuppressWarnings("unused") - public void setEndTrim(float endTrim) { - mEndTrim = endTrim; - invalidateSelf(); - } - - @SuppressWarnings("unused") - public float getEndTrim() { - return mEndTrim; - } - - @SuppressWarnings("unused") - public void setRotation(float rotation) { - mRotation = rotation; - invalidateSelf(); - } - - @SuppressWarnings("unused") - public float getRotation() { - return mRotation; - } - - public void setInsets(float insets) { - mStrokeInset = insets; - } - - @SuppressWarnings("unused") - public float getInsets() { - return mStrokeInset; - } - - private void invalidateSelf() { - mCallback.invalidateDrawable(null); - } - } - - /** - * Squishes the interpolation curve into the second half of the animation. - */ - private static class EndCurveInterpolator extends AccelerateDecelerateInterpolator { - @Override - public float getInterpolation(float input) { - return super.getInterpolation(Math.max(0, (input - 0.5f) * 2.0f)); - } - } - - /** - * Squishes the interpolation curve into the first half of the animation. - */ - private static class StartCurveInterpolator extends AccelerateDecelerateInterpolator { - @Override - public float getInterpolation(float input) { - return super.getInterpolation(Math.min(1, input * 2.0f)); - } - } -} |