| /* |
| * 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; |
| } |
| } |