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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.systemui.statusbar;
     18 
     19 import android.content.Context;
     20 import android.content.res.Configuration;
     21 import android.util.AttributeSet;
     22 import android.view.View;
     23 
     24 import com.android.systemui.R;
     25 import com.android.systemui.statusbar.stack.ExpandableViewState;
     26 import com.android.systemui.statusbar.stack.StackScrollState;
     27 
     28 public class DismissView extends StackScrollerDecorView {
     29     private final int mClearAllTopPadding;
     30     private DismissViewButton mDismissButton;
     31 
     32     public DismissView(Context context, AttributeSet attrs) {
     33         super(context, attrs);
     34         mClearAllTopPadding = context.getResources().getDimensionPixelSize(
     35                 R.dimen.clear_all_padding_top);
     36     }
     37 
     38     @Override
     39     protected View findContentView() {
     40         return findViewById(R.id.dismiss_text);
     41     }
     42 
     43     @Override
     44     protected void onFinishInflate() {
     45         super.onFinishInflate();
     46         mDismissButton = (DismissViewButton) findContentView();
     47     }
     48 
     49     public void setOnButtonClickListener(OnClickListener listener) {
     50         mContent.setOnClickListener(listener);
     51     }
     52 
     53     public boolean isOnEmptySpace(float touchX, float touchY) {
     54         return touchX < mContent.getX()
     55                 || touchX > mContent.getX() + mContent.getWidth()
     56                 || touchY < mContent.getY()
     57                 || touchY > mContent.getY() + mContent.getHeight();
     58     }
     59 
     60     @Override
     61     protected void onConfigurationChanged(Configuration newConfig) {
     62         super.onConfigurationChanged(newConfig);
     63         mDismissButton.setText(R.string.clear_all_notifications_text);
     64         mDismissButton.setContentDescription(
     65                 mContext.getString(R.string.accessibility_clear_all));
     66     }
     67 
     68     public boolean isButtonVisible() {
     69         return mDismissButton.getAlpha() != 0.0f;
     70     }
     71 
     72     @Override
     73     public ExpandableViewState createNewViewState(StackScrollState stackScrollState) {
     74         return new DismissViewState();
     75     }
     76 
     77     public class DismissViewState extends ExpandableViewState {
     78         @Override
     79         public void applyToView(View view) {
     80             super.applyToView(view);
     81             if (view instanceof DismissView) {
     82                 DismissView dismissView = (DismissView) view;
     83                 boolean visible = this.clipTopAmount < mClearAllTopPadding;
     84                 dismissView.performVisibilityAnimation(visible && !dismissView.willBeGone());
     85             }
     86         }
     87     }
     88 }
     89