blob: 9bf60433ff39dbec3b64f1bdf62fdbd02cbbc790 [file] [log] [blame]
/*
* 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.launcher3.allapps;
import android.graphics.Rect;
import android.view.View;
import com.android.launcher3.DeviceProfile;
/**
* A abstract representation of a row in all-apps view
*/
public interface FloatingHeaderRow {
FloatingHeaderRow[] NO_ROWS = new FloatingHeaderRow[0];
void setup(FloatingHeaderView parent, FloatingHeaderRow[] allRows, boolean tabsHidden);
void setInsets(Rect insets, DeviceProfile grid);
int getExpectedHeight();
/**
* Returns true if the row should draw based on its current position and layout.
*/
boolean shouldDraw();
/**
* Returns true if the view has anything worth drawing. This is different than
* {@link #shouldDraw()} as this is called earlier in the layout to determine the view
* position.
*/
boolean hasVisibleContent();
/**
* Scrolls the content vertically.
*/
void setVerticalScroll(int scroll, boolean isScrolledOut);
Class<? extends FloatingHeaderRow> getTypeClass();
/**
* Returns a child that has focus to be launched by the IME.
*/
View getFocusedChild();
/**
* Returns true if view is currently visible
*/
default boolean isVisible() {
return shouldDraw();
}
}