| /* |
| * Copyright (C) 2020 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.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.view.View; |
| import android.view.View.MeasureSpec; |
| import android.view.WindowManager; |
| import android.widget.AdapterView; |
| import android.widget.ListAdapter; |
| import android.widget.ListPopupWindow; |
| import android.widget.ListView; |
| |
| import com.android.systemui.R; |
| |
| /** |
| * Customized widget for use in the GlobalActionsDialog. Ensures common positioning and user |
| * interactions. |
| * |
| * It should be created with a {@link Context} with the right theme |
| */ |
| public class GlobalActionsPopupMenu extends ListPopupWindow { |
| private Context mContext; |
| private boolean mIsDropDownMode; |
| private int mMenuVerticalPadding = 0; |
| private int mGlobalActionsSidePadding = 0; |
| private ListAdapter mAdapter; |
| private AdapterView.OnItemLongClickListener mOnItemLongClickListener; |
| |
| public GlobalActionsPopupMenu(@NonNull Context context, boolean isDropDownMode) { |
| super(context); |
| mContext = context; |
| Resources res = mContext.getResources(); |
| setBackgroundDrawable( |
| res.getDrawable(R.drawable.rounded_bg_full, context.getTheme())); |
| mIsDropDownMode = isDropDownMode; |
| |
| // required to show above the global actions dialog |
| setWindowLayoutType(WindowManager.LayoutParams.TYPE_VOLUME_OVERLAY); |
| setModal(true); |
| |
| mGlobalActionsSidePadding = res.getDimensionPixelSize(R.dimen.global_actions_side_margin); |
| if (!isDropDownMode) { |
| mMenuVerticalPadding = res.getDimensionPixelSize(R.dimen.control_menu_vertical_padding); |
| } |
| } |
| |
| /** |
| * Set the listadapter used to populate this menu. |
| */ |
| public void setAdapter(@Nullable ListAdapter adapter) { |
| mAdapter = adapter; |
| super.setAdapter(adapter); |
| } |
| |
| /** |
| * Show the dialog. |
| */ |
| public void show() { |
| // need to call show() first in order to construct the listView |
| super.show(); |
| if (mOnItemLongClickListener != null) { |
| getListView().setOnItemLongClickListener(mOnItemLongClickListener); |
| } |
| |
| ListView listView = getListView(); |
| Resources res = mContext.getResources(); |
| |
| setVerticalOffset(-getAnchorView().getHeight() / 2); |
| |
| if (mIsDropDownMode) { |
| // use a divider |
| listView.setDividerHeight(res.getDimensionPixelSize(R.dimen.control_list_divider)); |
| listView.setDivider(res.getDrawable(R.drawable.controls_list_divider_inset)); |
| } else { |
| if (mAdapter == null) return; |
| |
| // width should be between [.5, .9] of screen |
| int parentWidth = res.getSystem().getDisplayMetrics().widthPixels; |
| int widthSpec = MeasureSpec.makeMeasureSpec( |
| (int) (parentWidth * 0.9), MeasureSpec.AT_MOST); |
| int maxWidth = 0; |
| for (int i = 0; i < mAdapter.getCount(); i++) { |
| View child = mAdapter.getView(i, null, listView); |
| child.measure(widthSpec, MeasureSpec.UNSPECIFIED); |
| int w = child.getMeasuredWidth(); |
| maxWidth = Math.max(w, maxWidth); |
| } |
| int width = Math.max(maxWidth, (int) (parentWidth * 0.5)); |
| listView.setPadding(0, mMenuVerticalPadding, 0, mMenuVerticalPadding); |
| |
| setWidth(width); |
| setHorizontalOffset(getAnchorView().getWidth() - mGlobalActionsSidePadding - width); |
| } |
| |
| super.show(); |
| } |
| |
| public void setOnItemLongClickListener(AdapterView.OnItemLongClickListener listener) { |
| mOnItemLongClickListener = listener; |
| } |
| } |