/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.allapps;
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import android.graphics.Rect;
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import android.view.animation.Interpolator;
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import com.android.launcher3.DeviceProfile;
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import com.android.launcher3.anim.PropertySetter;
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/**
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* A abstract representation of a row in all-apps view
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*/
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public interface FloatingHeaderRow {
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FloatingHeaderRow[] NO_ROWS = new FloatingHeaderRow[0];
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void setup(FloatingHeaderView parent, FloatingHeaderRow[] allRows, boolean tabsHidden);
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void setInsets(Rect insets, DeviceProfile grid);
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int getExpectedHeight();
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/**
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* Returns true if the row should draw based on its current position and layout.
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*/
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boolean shouldDraw();
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/**
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* Returns true if the view has anything worth drawing. This is different than
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* {@link #shouldDraw()} as this is called earlier in the layout to determine the view
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* position.
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*/
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boolean hasVisibleContent();
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void setContentVisibility(boolean hasHeaderExtra, boolean hasContent,
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PropertySetter setter, Interpolator fadeInterpolator);
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/**
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* Scrolls the content vertically.
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*/
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void setVerticalScroll(int scroll, boolean isScrolledOut);
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Class<? extends FloatingHeaderRow> getTypeClass();
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}
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