| /* |
| * Copyright (C) 2008 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.view.cts; |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import android.os.SystemClock; |
| import android.util.Log; |
| import com.android.cts.stub.R; |
| |
| public class ViewTestStubActivity extends Activity { |
| private boolean mHasWindowFocus = false; |
| private Object mHasWindowFocusLock = new Object(); |
| |
| @Override |
| protected void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| setContentView(R.layout.view_layout); |
| } |
| |
| @Override |
| public void onWindowFocusChanged(boolean hasFocus) { |
| super.onWindowFocusChanged(hasFocus); |
| if (!hasFocus) { |
| Log.w("ViewTestStubActivity", "ViewTestStubActivity lost window focus"); |
| } |
| synchronized(mHasWindowFocusLock) { |
| mHasWindowFocus = hasFocus; |
| mHasWindowFocusLock.notify(); |
| } |
| } |
| |
| /** |
| * Blocks the calling thread until the {@link ViewTestStubActivity} has window focus or the |
| * specified duration (in milliseconds) has passed. |
| */ |
| public boolean waitForWindowFocus(long durationMillis) { |
| long elapsedMillis = SystemClock.elapsedRealtime(); |
| synchronized(mHasWindowFocusLock) { |
| mHasWindowFocus = hasWindowFocus(); |
| while (!mHasWindowFocus && durationMillis > 0) { |
| long newElapsedMillis = SystemClock.elapsedRealtime(); |
| durationMillis -= (newElapsedMillis - elapsedMillis); |
| elapsedMillis = newElapsedMillis; |
| if (durationMillis > 0) { |
| try { |
| mHasWindowFocusLock.wait(durationMillis); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| return mHasWindowFocus; |
| } |
| } |
| } |