mirror of
https://github.com/LawnchairLauncher/lawnchair.git
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276 lines
10 KiB
Java
276 lines
10 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.qsb;
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import android.app.Activity;
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import android.app.Fragment;
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import android.app.SearchManager;
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import android.appwidget.AppWidgetHost;
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import android.appwidget.AppWidgetHostView;
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import android.appwidget.AppWidgetManager;
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import android.appwidget.AppWidgetProviderInfo;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.graphics.Rect;
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import android.os.Bundle;
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import android.util.AttributeSet;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.FrameLayout;
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import com.android.launcher3.AppWidgetResizeFrame;
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import com.android.launcher3.InvariantDeviceProfile;
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import com.android.launcher3.LauncherAppState;
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import com.android.launcher3.R;
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import com.android.launcher3.Utilities;
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import com.android.launcher3.config.FeatureFlags;
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/**
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* A frame layout which contains a QSB. This internally uses fragment to bind the view, which
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* allows it to contain the logic for {@link Fragment#startActivityForResult(Intent, int)}.
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*
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* Note: AppWidgetManagerCompat can be disabled using FeatureFlags. In QSB, we should use
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* AppWidgetManager directly, so that it keeps working in that case.
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*/
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public class QsbContainerView extends FrameLayout {
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public QsbContainerView(Context context) {
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super(context);
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}
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public QsbContainerView(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public QsbContainerView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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@Override
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public void setPadding(int left, int top, int right, int bottom) {
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super.setPadding(0, 0, 0, 0);
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}
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protected void setPaddingUnchecked(int left, int top, int right, int bottom) {
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super.setPadding(left, top, right, bottom);
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}
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/**
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* A fragment to display the QSB.
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*/
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public static class QsbFragment extends Fragment implements View.OnClickListener {
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private static final int REQUEST_BIND_QSB = 1;
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private static final String QSB_WIDGET_ID = "qsb_widget_id";
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private QsbWidgetHost mQsbWidgetHost;
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private AppWidgetProviderInfo mWidgetInfo;
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private QsbWidgetHostView mQsb;
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// We need to store the orientation here, due to a bug (b/64916689) that results in widgets
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// being inflated in the wrong orientation.
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private int mOrientation;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mQsbWidgetHost = new QsbWidgetHost(getActivity());
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mOrientation = getContext().getResources().getConfiguration().orientation;
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}
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private FrameLayout mWrapper;
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@Override
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public View onCreateView(
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LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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mWrapper = new FrameLayout(getActivity());
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// Only add the view when enabled
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if (isQsbEnabled()) {
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mWrapper.addView(createQsb(mWrapper));
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}
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return mWrapper;
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}
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private View createQsb(ViewGroup container) {
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Activity activity = getActivity();
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mWidgetInfo = getSearchWidgetProvider(activity);
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if (mWidgetInfo == null) {
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// There is no search provider, just show the default widget.
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return QsbWidgetHostView.getDefaultView(container);
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}
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AppWidgetManager widgetManager = AppWidgetManager.getInstance(activity);
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InvariantDeviceProfile idp = LauncherAppState.getIDP(activity);
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Bundle opts = new Bundle();
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Rect size = AppWidgetResizeFrame.getWidgetSizeRanges(activity, idp.numColumns, 1, null);
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opts.putInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH, size.left);
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opts.putInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT, size.top);
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opts.putInt(AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH, size.right);
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opts.putInt(AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT, size.bottom);
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int widgetId = Utilities.getPrefs(activity).getInt(QSB_WIDGET_ID, -1);
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AppWidgetProviderInfo widgetInfo = widgetManager.getAppWidgetInfo(widgetId);
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boolean isWidgetBound = (widgetInfo != null) &&
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widgetInfo.provider.equals(mWidgetInfo.provider);
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int oldWidgetId = widgetId;
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if (!isWidgetBound) {
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if (widgetId > -1) {
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// widgetId is already bound and its not the correct provider. reset host.
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mQsbWidgetHost.deleteHost();
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}
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widgetId = mQsbWidgetHost.allocateAppWidgetId();
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isWidgetBound = widgetManager.bindAppWidgetIdIfAllowed(
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widgetId, mWidgetInfo.getProfile(), mWidgetInfo.provider, opts);
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if (!isWidgetBound) {
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mQsbWidgetHost.deleteAppWidgetId(widgetId);
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widgetId = -1;
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}
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if (oldWidgetId != widgetId) {
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saveWidgetId(widgetId);
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}
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}
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if (isWidgetBound) {
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mQsb = (QsbWidgetHostView) mQsbWidgetHost.createView(activity, widgetId, mWidgetInfo);
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mQsb.setId(R.id.qsb_widget);
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if (!Utilities.containsAll(AppWidgetManager.getInstance(activity)
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.getAppWidgetOptions(widgetId), opts)) {
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mQsb.updateAppWidgetOptions(opts);
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}
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mQsb.setPadding(0, 0, 0, 0);
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mQsbWidgetHost.startListening();
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return mQsb;
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}
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// Return a default widget with setup icon.
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View v = QsbWidgetHostView.getDefaultView(container);
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View setupButton = v.findViewById(R.id.btn_qsb_setup);
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setupButton.setVisibility(View.VISIBLE);
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setupButton.setOnClickListener(this);
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return v;
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}
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private void saveWidgetId(int widgetId) {
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Utilities.getPrefs(getActivity()).edit().putInt(QSB_WIDGET_ID, widgetId).apply();
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}
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@Override
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public void onClick(View view) {
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// Start intent for bind the widget
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Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_BIND);
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// Allocate a new widget id for QSB
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intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mQsbWidgetHost.allocateAppWidgetId());
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intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER, mWidgetInfo.provider);
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startActivityForResult(intent, REQUEST_BIND_QSB);
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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if (requestCode == REQUEST_BIND_QSB) {
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if (resultCode == Activity.RESULT_OK) {
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saveWidgetId(data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1));
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rebindFragment();
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} else {
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mQsbWidgetHost.deleteHost();
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}
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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if (mQsb != null && mQsb.isReinflateRequired(mOrientation)) {
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rebindFragment();
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}
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}
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@Override
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public void onDestroy() {
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mQsbWidgetHost.stopListening();
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super.onDestroy();
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}
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private void rebindFragment() {
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// Exit if the embedded qsb is disabled
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if (!isQsbEnabled()) {
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return;
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}
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if (mWrapper != null && getActivity() != null) {
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mWrapper.removeAllViews();
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mWrapper.addView(createQsb(mWrapper));
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}
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}
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public boolean isQsbEnabled() {
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return FeatureFlags.QSB_ON_FIRST_SCREEN;
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}
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}
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/**
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* Returns a widget with category {@link AppWidgetProviderInfo#WIDGET_CATEGORY_SEARCHBOX}
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* provided by the same package which is set to be global search activity.
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* If widgetCategory is not supported, or no such widget is found, returns the first widget
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* provided by the package.
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*/
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public static AppWidgetProviderInfo getSearchWidgetProvider(Context context) {
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SearchManager searchManager =
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(SearchManager) context.getSystemService(Context.SEARCH_SERVICE);
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ComponentName searchComponent = searchManager.getGlobalSearchActivity();
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if (searchComponent == null) return null;
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String providerPkg = searchComponent.getPackageName();
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AppWidgetProviderInfo defaultWidgetForSearchPackage = null;
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AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
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for (AppWidgetProviderInfo info : appWidgetManager.getInstalledProviders()) {
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if (info.provider.getPackageName().equals(providerPkg) && info.configure == null) {
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if ((info.widgetCategory & AppWidgetProviderInfo.WIDGET_CATEGORY_SEARCHBOX) != 0) {
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return info;
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} else if (defaultWidgetForSearchPackage == null) {
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defaultWidgetForSearchPackage = info;
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}
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}
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}
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return defaultWidgetForSearchPackage;
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}
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private static class QsbWidgetHost extends AppWidgetHost {
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private static final int QSB_WIDGET_HOST_ID = 1026;
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public QsbWidgetHost(Context context) {
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super(context, QSB_WIDGET_HOST_ID);
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}
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@Override
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protected AppWidgetHostView onCreateView(
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Context context, int appWidgetId, AppWidgetProviderInfo appWidget) {
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return new QsbWidgetHostView(context);
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}
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}
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}
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