| /* |
| * 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.Rect; |
| import android.util.AttributeSet; |
| import android.view.Gravity; |
| import android.view.View; |
| |
| import com.android.systemui.R; |
| |
| /** |
| * A frame layout containing the actual payload of the notification, including the contracted and |
| * expanded layout. This class is responsible for clipping the content and and switching between the |
| * expanded and contracted view depending on its clipped size. |
| */ |
| public class NotificationContentView extends ExpandableView { |
| |
| private final Rect mClipBounds = new Rect(); |
| |
| private View mContractedChild; |
| private View mExpandedChild; |
| |
| private int mSmallHeight; |
| |
| public NotificationContentView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| mSmallHeight = getResources().getDimensionPixelSize(R.dimen.notification_min_height); |
| mActualHeight = mSmallHeight; |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| super.onLayout(changed, left, top, right, bottom); |
| updateClipping(); |
| } |
| |
| public void setContractedChild(View child) { |
| if (mContractedChild != null) { |
| removeView(mContractedChild); |
| } |
| sanitizeContractedLayoutParams(child); |
| addView(child); |
| mContractedChild = child; |
| selectLayout(); |
| } |
| |
| public void setExpandedChild(View child) { |
| if (mExpandedChild != null) { |
| removeView(mExpandedChild); |
| } |
| addView(child); |
| mExpandedChild = child; |
| selectLayout(); |
| } |
| |
| @Override |
| public void setActualHeight(int actualHeight) { |
| super.setActualHeight(actualHeight); |
| selectLayout(); |
| updateClipping(); |
| } |
| |
| @Override |
| public int getMaxHeight() { |
| |
| // The maximum height is just the laid out height. |
| return getHeight(); |
| } |
| |
| @Override |
| public void setClipTopAmount(int clipTopAmount) { |
| super.setClipTopAmount(clipTopAmount); |
| updateClipping(); |
| } |
| |
| public int getClipTopAmount() { |
| return mClipTopAmount; |
| } |
| |
| private void updateClipping() { |
| mClipBounds.set(0, mClipTopAmount, getWidth(), mActualHeight); |
| setClipBounds(mClipBounds); |
| } |
| |
| private void sanitizeContractedLayoutParams(View contractedChild) { |
| LayoutParams lp = (LayoutParams) contractedChild.getLayoutParams(); |
| lp.height = mSmallHeight; |
| contractedChild.setLayoutParams(lp); |
| } |
| |
| private void selectLayout() { |
| if (mActualHeight <= mSmallHeight || mExpandedChild == null) { |
| if (mContractedChild.getVisibility() != View.VISIBLE) { |
| mContractedChild.setVisibility(View.VISIBLE); |
| } |
| if (mExpandedChild != null && mExpandedChild.getVisibility() != View.INVISIBLE) { |
| mExpandedChild.setVisibility(View.INVISIBLE); |
| } |
| } else { |
| if (mExpandedChild.getVisibility() != View.VISIBLE) { |
| mExpandedChild.setVisibility(View.VISIBLE); |
| } |
| if (mContractedChild.getVisibility() != View.INVISIBLE) { |
| mContractedChild.setVisibility(View.INVISIBLE); |
| } |
| } |
| } |
| |
| public void notifyContentUpdated() { |
| selectLayout(); |
| } |
| } |