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/*
* 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.android.systemui.statusbar;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.AnimatedVectorDrawable;
import android.graphics.drawable.Drawable;
import android.os.SystemClock;
import android.util.AttributeSet;
import android.view.Choreographer;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewRootImpl;
import android.widget.Button;
import com.android.systemui.R;
import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
public class DismissViewButton extends Button {
private AnimatedVectorDrawable mAnimatedDismissDrawable;
private final Drawable mStaticDismissDrawable;
private Drawable mActiveDrawable;
public DismissViewButton(Context context) {
this(context, null);
}
public DismissViewButton(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public DismissViewButton(Context context, AttributeSet attrs, int defStyleAttr) {
this(context, attrs, defStyleAttr, 0);
}
public DismissViewButton(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
mAnimatedDismissDrawable = (AnimatedVectorDrawable) getContext().getResources().getDrawable(
R.drawable.dismiss_all_shape_animation).mutate();
mAnimatedDismissDrawable.setCallback(this);
mAnimatedDismissDrawable.setBounds(0,
0,
mAnimatedDismissDrawable.getIntrinsicWidth(),
mAnimatedDismissDrawable.getIntrinsicHeight());
mStaticDismissDrawable = getContext().getResources().getDrawable(
R.drawable.dismiss_all_shape);
mStaticDismissDrawable.setBounds(0,
0,
mStaticDismissDrawable.getIntrinsicWidth(),
mStaticDismissDrawable.getIntrinsicHeight());
mStaticDismissDrawable.setCallback(this);
mActiveDrawable = mStaticDismissDrawable;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.save();
int drawableHeight = mActiveDrawable.getBounds().height();
boolean isRtl = (getLayoutDirection() == View.LAYOUT_DIRECTION_RTL);
int dx = isRtl ? getWidth() / 2 + drawableHeight / 2 : getWidth() / 2 - drawableHeight / 2;
canvas.translate(dx, getHeight() / 2.0f + drawableHeight /
2.0f);
canvas.scale(isRtl ? -1.0f : 1.0f, -1.0f);
mActiveDrawable.draw(canvas);
canvas.restore();
}
@Override
public boolean performClick() {
if (!mAnimatedDismissDrawable.isRunning()) {
mActiveDrawable = mAnimatedDismissDrawable;
mAnimatedDismissDrawable.start();
}
return super.performClick();
}
@Override
protected boolean verifyDrawable(Drawable who) {
return super.verifyDrawable(who)
|| who == mAnimatedDismissDrawable
|| who == mStaticDismissDrawable;
}
@Override
public boolean hasOverlappingRendering() {
return false;
}
/**
* This method returns the drawing rect for the view which is different from the regular
* drawing rect, since we layout all children in the {@link NotificationStackScrollLayout} at
* position 0 and usually the translation is neglected. The standard implementation doesn't
* account for translation.
*
* @param outRect The (scrolled) drawing bounds of the view.
*/
@Override
public void getDrawingRect(Rect outRect) {
super.getDrawingRect(outRect);
float translationX = ((ViewGroup) mParent).getTranslationX();
float translationY = ((ViewGroup) mParent).getTranslationY();
outRect.left += translationX;
outRect.right += translationX;
outRect.top += translationY;
outRect.bottom += translationY;
}
public void showButton() {
mActiveDrawable = mStaticDismissDrawable;
invalidate();
}
/**
* @return Whether the button is currently static and not being animated.
*/
public boolean isButtonStatic() {
return mActiveDrawable == mStaticDismissDrawable;
}
}
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