| /* |
| * 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 android.content.Context; |
| import android.text.TextUtils; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.systemui.HardwareBgDrawable; |
| import com.android.systemui.MultiListLayout; |
| import com.android.systemui.R; |
| import com.android.systemui.util.leak.RotationUtils; |
| |
| import java.util.Locale; |
| |
| /** |
| * Grid-based implementation of the button layout created by the global actions dialog. |
| */ |
| public abstract class GlobalActionsLayout extends MultiListLayout { |
| |
| boolean mBackgroundsSet; |
| |
| public GlobalActionsLayout(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| private void setBackgrounds() { |
| ViewGroup listView = getListView(); |
| int listBgColor = getResources().getColor( |
| R.color.global_actions_grid_background, null); |
| HardwareBgDrawable listBackground = getBackgroundDrawable(listBgColor); |
| if (listBackground != null) { |
| listView.setBackground(listBackground); |
| } |
| |
| ViewGroup separatedView = getSeparatedView(); |
| |
| if (separatedView != null) { |
| int separatedBgColor = getResources().getColor( |
| R.color.global_actions_separated_background, null); |
| HardwareBgDrawable separatedBackground = getBackgroundDrawable(separatedBgColor); |
| if (separatedBackground != null) { |
| getSeparatedView().setBackground(separatedBackground); |
| } |
| } |
| } |
| |
| protected HardwareBgDrawable getBackgroundDrawable(int backgroundColor) { |
| HardwareBgDrawable background = new HardwareBgDrawable(true, true, getContext()); |
| background.setTint(backgroundColor); |
| return background; |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| |
| // backgrounds set only once, the first time onMeasure is called after inflation |
| if (getListView() != null && !mBackgroundsSet) { |
| setBackgrounds(); |
| mBackgroundsSet = true; |
| } |
| } |
| |
| protected void addToListView(View v, boolean reverse) { |
| if (reverse) { |
| getListView().addView(v, 0); |
| } else { |
| getListView().addView(v); |
| } |
| } |
| |
| protected void addToSeparatedView(View v, boolean reverse) { |
| ViewGroup separated = getSeparatedView(); |
| if (separated != null) { |
| if (reverse) { |
| separated.addView(v, 0); |
| } else { |
| separated.addView(v); |
| } |
| } else { |
| // if no separated view exists, just use the list view |
| addToListView(v, reverse); |
| } |
| } |
| |
| @VisibleForTesting |
| protected int getCurrentLayoutDirection() { |
| return TextUtils.getLayoutDirectionFromLocale(Locale.getDefault()); |
| } |
| |
| @VisibleForTesting |
| protected int getCurrentRotation() { |
| return RotationUtils.getRotation(mContext); |
| } |
| |
| /** |
| * Determines whether the ListGridLayout should reverse the ordering of items within sublists. |
| * Used for RTL languages to ensure that items appear in the same positions, without having to |
| * override layoutDirection, which breaks Talkback ordering. |
| */ |
| protected abstract boolean shouldReverseListItems(); |
| |
| @Override |
| public void onUpdateList() { |
| super.onUpdateList(); |
| |
| ViewGroup separatedView = getSeparatedView(); |
| ViewGroup listView = getListView(); |
| |
| for (int i = 0; i < mAdapter.getCount(); i++) { |
| // generate the view item |
| View v; |
| boolean separated = mAdapter.shouldBeSeparated(i); |
| if (separated) { |
| v = mAdapter.getView(i, null, separatedView); |
| } else { |
| v = mAdapter.getView(i, null, listView); |
| } |
| if (separated) { |
| addToSeparatedView(v, false); |
| } else { |
| addToListView(v, shouldReverseListItems()); |
| } |
| } |
| } |
| |
| @Override |
| protected ViewGroup getSeparatedView() { |
| return findViewById(R.id.separated_button); |
| } |
| |
| @Override |
| protected ViewGroup getListView() { |
| return findViewById(android.R.id.list); |
| } |
| |
| protected View getWrapper() { |
| return getChildAt(0); |
| } |
| |
| /** |
| * Not used in this implementation of the Global Actions Menu, but necessary for some others. |
| */ |
| @Override |
| public void setDivisionView(View v) { |
| // do nothing |
| } |
| } |