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/*
* Copyright (C) 2019 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.globalactions;
import static com.android.systemui.util.leak.RotationUtils.ROTATION_LANDSCAPE;
import static com.android.systemui.util.leak.RotationUtils.ROTATION_NONE;
import static com.android.systemui.util.leak.RotationUtils.ROTATION_SEASCAPE;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import com.android.internal.annotations.VisibleForTesting;
/**
* Grid-based implementation of the button layout created by the global actions dialog.
*/
public class GlobalActionsGridLayout extends GlobalActionsLayout {
public GlobalActionsGridLayout(Context context, AttributeSet attrs) {
super(context, attrs);
}
@VisibleForTesting
protected void setupListView() {
ListGridLayout listView = getListView();
listView.setExpectedCount(mAdapter.countListItems());
listView.setReverseSublists(shouldReverseSublists());
listView.setReverseItems(shouldReverseListItems());
listView.setSwapRowsAndColumns(shouldSwapRowsAndColumns());
}
@Override
public void onUpdateList() {
setupListView();
super.onUpdateList();
updateSeparatedItemSize();
}
/**
* If the separated view contains only one item, expand the bounds of that item to take up the
* entire view, so that the whole thing is touch-able.
*/
@VisibleForTesting
protected void updateSeparatedItemSize() {
ViewGroup separated = getSeparatedView();
if (separated.getChildCount() == 0) {
return;
}
View firstChild = separated.getChildAt(0);
ViewGroup.LayoutParams childParams = firstChild.getLayoutParams();
if (separated.getChildCount() == 1) {
childParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
childParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
} else {
childParams.width = ViewGroup.LayoutParams.WRAP_CONTENT;
childParams.height = ViewGroup.LayoutParams.WRAP_CONTENT;
}
}
@Override
protected ListGridLayout getListView() {
return (ListGridLayout) super.getListView();
}
@Override
protected void removeAllListViews() {
ListGridLayout list = getListView();
if (list != null) {
list.removeAllItems();
}
}
@Override
protected void addToListView(View v, boolean reverse) {
ListGridLayout list = getListView();
if (list != null) {
list.addItem(v);
}
}
@Override
public void removeAllItems() {
ViewGroup separatedList = getSeparatedView();
ListGridLayout list = getListView();
if (separatedList != null) {
separatedList.removeAllViews();
}
if (list != null) {
list.removeAllItems();
}
}
/**
* Determines whether the ListGridLayout should fill sublists in the reverse order.
* Used to account for sublist ordering changing between landscape and seascape views.
*/
@VisibleForTesting
protected boolean shouldReverseSublists() {
if (getCurrentRotation() == ROTATION_SEASCAPE) {
return true;
}
return false;
}
/**
* Determines whether the ListGridLayout should fill rows first instead of columns.
* Used to account for vertical/horizontal changes due to landscape or seascape rotations.
*/
@VisibleForTesting
protected boolean shouldSwapRowsAndColumns() {
if (getCurrentRotation() == ROTATION_NONE) {
return false;
}
return true;
}
@Override
protected boolean shouldReverseListItems() {
int rotation = getCurrentRotation();
boolean reverse = false; // should we add items to parents in the reverse order?
if (rotation == ROTATION_NONE
|| rotation == ROTATION_SEASCAPE) {
reverse = !reverse; // if we're in portrait or seascape, reverse items
}
if (getCurrentLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
reverse = !reverse; // if we're in an RTL language, reverse items (again)
}
return reverse;
}
@VisibleForTesting
protected float getAnimationDistance() {
int rows = getListView().getRowCount();
float gridItemSize = getContext().getResources().getDimension(
com.android.systemui.R.dimen.global_actions_grid_item_height);
return rows * gridItemSize / 2;
}
@Override
public float getAnimationOffsetX() {
switch (getCurrentRotation()) {
case ROTATION_LANDSCAPE:
return getAnimationDistance();
case ROTATION_SEASCAPE:
return -getAnimationDistance();
default: // Portrait
return 0;
}
}
@Override
public float getAnimationOffsetY() {
if (getCurrentRotation() == ROTATION_NONE) {
return getAnimationDistance();
}
return 0;
}
}
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