| /* |
| * Copyright (C) 2018 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.phone; |
| |
| import android.annotation.DrawableRes; |
| import android.annotation.IdRes; |
| import android.content.Context; |
| import android.view.View; |
| import com.android.systemui.statusbar.policy.KeyButtonDrawable; |
| import com.android.systemui.statusbar.policy.KeyButtonView; |
| |
| /** |
| * Simple contextual button that is added to the {@link ContextualButtonGroup}. Extend if need extra |
| * functionality. |
| */ |
| public class ContextualButton extends ButtonDispatcher { |
| |
| protected final @DrawableRes int mIconResId; |
| |
| /** |
| * Create a contextual button that will use a {@link KeyButtonView} and |
| * {@link KeyButtonDrawable} get and show the button from xml to its icon drawable. |
| * @param buttonResId the button view from xml layout |
| * @param iconResId icon resource to be used |
| */ |
| public ContextualButton(@IdRes int buttonResId, @DrawableRes int iconResId) { |
| super(buttonResId); |
| mIconResId = iconResId; |
| } |
| |
| /** |
| * Reload the drawable from resource id, should reapply the previous dark intensity. |
| */ |
| public void updateIcon() { |
| final KeyButtonDrawable currentDrawable = getImageDrawable(); |
| KeyButtonDrawable drawable = getNewDrawable(); |
| if (currentDrawable != null) { |
| drawable.setDarkIntensity(currentDrawable.getDarkIntensity()); |
| } |
| setImageDrawable(drawable); |
| } |
| |
| @Override |
| public void setVisibility(int visibility) { |
| super.setVisibility(visibility); |
| |
| // Stop any active animations if hidden |
| final KeyButtonDrawable currentDrawable = getImageDrawable(); |
| if (visibility != View.VISIBLE && currentDrawable != null && currentDrawable.canAnimate()) { |
| currentDrawable.clearAnimationCallbacks(); |
| currentDrawable.resetAnimation(); |
| } |
| } |
| |
| protected KeyButtonDrawable getNewDrawable() { |
| return KeyButtonDrawable.create(getContext(), mIconResId, false /* shadow */); |
| } |
| |
| protected Context getContext() { |
| return getCurrentView().getContext(); |
| } |
| } |