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/*
* Copyright (C) 2021 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 android.service.selectiontoolbar;
import static android.view.selectiontoolbar.SelectionToolbarManager.ERROR_DO_NOT_ALLOW_MULTIPLE_TOOL_BAR;
import static android.view.selectiontoolbar.SelectionToolbarManager.NO_TOOLBAR_ID;
import android.util.Pair;
import android.util.Slog;
import android.util.SparseArray;
import android.view.selectiontoolbar.ShowInfo;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.UUID;
/**
* The default implementation of {@link SelectionToolbarRenderService}.
*
* <p><b>NOTE:<b/> The requests are handled on the service main thread.
*
* @hide
*/
// TODO(b/214122495): fix class not found then move to system service folder
public final class DefaultSelectionToolbarRenderService extends SelectionToolbarRenderService {
private static final String TAG = "DefaultSelectionToolbarRenderService";
// TODO(b/215497659): handle remove if the client process dies.
// Only show one toolbar, dismiss the old ones and remove from cache
private final SparseArray<Pair<Long, RemoteSelectionToolbar>> mToolbarCache =
new SparseArray<>();
/**
* Only allow one package to create one toolbar.
*/
private boolean canShowToolbar(int uid, ShowInfo showInfo) {
if (showInfo.getWidgetToken() != NO_TOOLBAR_ID) {
return true;
}
return mToolbarCache.indexOfKey(uid) < 0;
}
@Override
public void onShow(int callingUid, ShowInfo showInfo,
SelectionToolbarRenderService.RemoteCallbackWrapper callbackWrapper) {
if (!canShowToolbar(callingUid, showInfo)) {
Slog.e(TAG, "Do not allow multiple toolbar for the app.");
callbackWrapper.onError(ERROR_DO_NOT_ALLOW_MULTIPLE_TOOL_BAR);
return;
}
long widgetToken = showInfo.getWidgetToken() == NO_TOOLBAR_ID
? UUID.randomUUID().getMostSignificantBits()
: showInfo.getWidgetToken();
if (mToolbarCache.indexOfKey(callingUid) < 0) {
RemoteSelectionToolbar toolbar = new RemoteSelectionToolbar(this,
widgetToken, showInfo,
callbackWrapper, this::transferTouch);
mToolbarCache.put(callingUid, new Pair<>(widgetToken, toolbar));
}
Slog.v(TAG, "onShow() for " + widgetToken);
Pair<Long, RemoteSelectionToolbar> toolbarPair = mToolbarCache.get(callingUid);
if (toolbarPair.first == widgetToken) {
toolbarPair.second.show(showInfo);
} else {
Slog.w(TAG, "onShow() for unknown " + widgetToken);
}
}
@Override
public void onHide(long widgetToken) {
RemoteSelectionToolbar toolbar = getRemoteSelectionToolbarByTokenLocked(widgetToken);
if (toolbar != null) {
Slog.v(TAG, "onHide() for " + widgetToken);
toolbar.hide(widgetToken);
}
}
@Override
public void onDismiss(long widgetToken) {
RemoteSelectionToolbar toolbar = getRemoteSelectionToolbarByTokenLocked(widgetToken);
if (toolbar != null) {
Slog.v(TAG, "onDismiss() for " + widgetToken);
toolbar.dismiss(widgetToken);
removeRemoteSelectionToolbarByTokenLocked(widgetToken);
}
}
@Override
public void onToolbarShowTimeout(int callingUid) {
Slog.w(TAG, "onToolbarShowTimeout for callingUid = " + callingUid);
Pair<Long, RemoteSelectionToolbar> toolbarPair = mToolbarCache.get(callingUid);
if (toolbarPair != null) {
RemoteSelectionToolbar remoteToolbar = toolbarPair.second;
remoteToolbar.dismiss(toolbarPair.first);
remoteToolbar.onToolbarShowTimeout();
mToolbarCache.remove(callingUid);
}
}
private RemoteSelectionToolbar getRemoteSelectionToolbarByTokenLocked(long widgetToken) {
for (int i = 0; i < mToolbarCache.size(); i++) {
Pair<Long, RemoteSelectionToolbar> toolbarPair = mToolbarCache.valueAt(i);
if (toolbarPair.first == widgetToken) {
return toolbarPair.second;
}
}
return null;
}
private void removeRemoteSelectionToolbarByTokenLocked(long widgetToken) {
for (int i = 0; i < mToolbarCache.size(); i++) {
Pair<Long, RemoteSelectionToolbar> toolbarPair = mToolbarCache.valueAt(i);
if (toolbarPair.first == widgetToken) {
mToolbarCache.remove(mToolbarCache.keyAt(i));
return;
}
}
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
int size = mToolbarCache.size();
pw.print("number selectionToolbar: "); pw.println(size);
String pfx = " ";
for (int i = 0; i < size; i++) {
pw.print("#"); pw.println(i);
int callingUid = mToolbarCache.keyAt(i);
pw.print(pfx); pw.print("callingUid: "); pw.println(callingUid);
Pair<Long, RemoteSelectionToolbar> toolbarPair = mToolbarCache.valueAt(i);
RemoteSelectionToolbar selectionToolbar = toolbarPair.second;
pw.print(pfx); pw.print("selectionToolbar: ");
selectionToolbar.dump(pfx, pw);
pw.println();
}
}
}
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