mirror of
https://github.com/material-components/material-components-android.git
synced 2026-02-20 08:39:55 +08:00
4c7a3b3d71
* commit 'f2aa1f53175844f08308f982897a561cfacb2abc': Add support for rotating a FAB pre-L GitOrigin-RevId=fc9ffcbb6b9ca19ef90877ddbf01b132e24e058a PiperOrigin-RevId: 140550474
124 lines
4.2 KiB
Java
124 lines
4.2 KiB
Java
/*
|
|
* 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.content.res.Resources;
|
|
import android.graphics.PorterDuff;
|
|
import android.graphics.drawable.Drawable;
|
|
import android.support.annotation.Nullable;
|
|
import android.support.design.R;
|
|
import android.view.View;
|
|
import android.view.ViewTreeObserver;
|
|
|
|
abstract class FloatingActionButtonImpl {
|
|
|
|
interface InternalVisibilityChangedListener {
|
|
public void onShown();
|
|
public void onHidden();
|
|
}
|
|
|
|
static final int SHOW_HIDE_ANIM_DURATION = 200;
|
|
|
|
static final int[] PRESSED_ENABLED_STATE_SET = {android.R.attr.state_pressed,
|
|
android.R.attr.state_enabled};
|
|
static final int[] FOCUSED_ENABLED_STATE_SET = {android.R.attr.state_focused,
|
|
android.R.attr.state_enabled};
|
|
static final int[] EMPTY_STATE_SET = new int[0];
|
|
|
|
final View mView;
|
|
final ShadowViewDelegate mShadowViewDelegate;
|
|
|
|
private ViewTreeObserver.OnPreDrawListener mPreDrawListener;
|
|
|
|
FloatingActionButtonImpl(View view, ShadowViewDelegate shadowViewDelegate) {
|
|
mView = view;
|
|
mShadowViewDelegate = shadowViewDelegate;
|
|
}
|
|
|
|
abstract void setBackgroundDrawable(Drawable originalBackground, ColorStateList backgroundTint,
|
|
PorterDuff.Mode backgroundTintMode, int rippleColor, int borderWidth);
|
|
|
|
abstract void setBackgroundTintList(ColorStateList tint);
|
|
|
|
abstract void setBackgroundTintMode(PorterDuff.Mode tintMode);
|
|
|
|
abstract void setRippleColor(int rippleColor);
|
|
|
|
abstract void setElevation(float elevation);
|
|
|
|
abstract void setPressedTranslationZ(float translationZ);
|
|
|
|
abstract void onDrawableStateChanged(int[] state);
|
|
|
|
abstract void jumpDrawableToCurrentState();
|
|
|
|
abstract void hide(@Nullable InternalVisibilityChangedListener listener);
|
|
|
|
abstract void show(@Nullable InternalVisibilityChangedListener listener);
|
|
|
|
void onAttachedToWindow() {
|
|
if (requirePreDrawListener()) {
|
|
ensurePreDrawListener();
|
|
mView.getViewTreeObserver().addOnPreDrawListener(mPreDrawListener);
|
|
}
|
|
}
|
|
|
|
void onDetachedFromWindow() {
|
|
if (mPreDrawListener != null) {
|
|
mView.getViewTreeObserver().removeOnPreDrawListener(mPreDrawListener);
|
|
mPreDrawListener = null;
|
|
}
|
|
}
|
|
|
|
boolean requirePreDrawListener() {
|
|
return false;
|
|
}
|
|
|
|
CircularBorderDrawable createBorderDrawable(int borderWidth, ColorStateList backgroundTint) {
|
|
final Resources resources = mView.getResources();
|
|
CircularBorderDrawable borderDrawable = newCircularDrawable();
|
|
borderDrawable.setGradientColors(
|
|
resources.getColor(R.color.design_fab_stroke_top_outer_color),
|
|
resources.getColor(R.color.design_fab_stroke_top_inner_color),
|
|
resources.getColor(R.color.design_fab_stroke_end_inner_color),
|
|
resources.getColor(R.color.design_fab_stroke_end_outer_color));
|
|
borderDrawable.setBorderWidth(borderWidth);
|
|
borderDrawable.setTintColor(backgroundTint.getDefaultColor());
|
|
return borderDrawable;
|
|
}
|
|
|
|
CircularBorderDrawable newCircularDrawable() {
|
|
return new CircularBorderDrawable();
|
|
}
|
|
|
|
void onPreDraw() {
|
|
}
|
|
|
|
private void ensurePreDrawListener() {
|
|
if (mPreDrawListener == null) {
|
|
mPreDrawListener = new ViewTreeObserver.OnPreDrawListener() {
|
|
@Override
|
|
public boolean onPreDraw() {
|
|
FloatingActionButtonImpl.this.onPreDraw();
|
|
return true;
|
|
}
|
|
};
|
|
}
|
|
}
|
|
}
|