contentInsets.top + outsets.top, contentInsets.right + outsets.right,
contentInsets.bottom + outsets.bottom);
}
+ contentInsets = ensureInsetsNonNegative(contentInsets, "content");
+ stableInsets = ensureInsetsNonNegative(stableInsets, "stable");
mLastWindowInsets = new WindowInsets(contentInsets,
null /* windowDecorInsets */, stableInsets,
mContext.getResources().getConfiguration().isScreenRound(),
return mLastWindowInsets;
}
+ private Rect ensureInsetsNonNegative(Rect insets, String kind) {
+ if (insets.left < 0 || insets.top < 0 || insets.right < 0 || insets.bottom < 0) {
+ Log.wtf(mTag, "Negative " + kind + "Insets: " + insets + ", mFirst=" + mFirst);
+ return new Rect(Math.max(0, insets.left),
+ Math.max(0, insets.top),
+ Math.max(0, insets.right),
+ Math.max(0, insets.bottom));
+ }
+ return insets;
+ }
+
void dispatchApplyInsets(View host) {
WindowInsets insets = getWindowInsets(true /* forceConstruct */);
final boolean dispatchCutout = (mWindowAttributes.layoutInDisplayCutoutMode
--- /dev/null
+/*
+ * Copyright (C) 2018 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;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.assertThat;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.platform.test.annotations.Presubmit;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+@Presubmit
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class ViewRootImplTest {
+
+ private Context mContext;
+ private ViewRootImplAccessor mViewRootImpl;
+
+ @Before
+ public void setUp() throws Exception {
+ mContext = InstrumentationRegistry.getContext();
+
+ InstrumentationRegistry.getInstrumentation().runOnMainSync(() -> {
+ mViewRootImpl = new ViewRootImplAccessor(
+ new ViewRootImpl(mContext, mContext.getDisplay()));
+ });
+ }
+
+ @Test
+ public void negativeInsets_areSetToZero() throws Exception {
+ mViewRootImpl.getAttachInfo().getContentInsets().set(-10, -20, -30 , -40);
+ mViewRootImpl.getAttachInfo().getStableInsets().set(-10, -20, -30 , -40);
+ final WindowInsets insets = mViewRootImpl.getWindowInsets(true /* forceConstruct */);
+
+ assertThat(insets.getSystemWindowInsets(), equalTo(new Rect()));
+ assertThat(new Rect(insets.getStableInsetLeft(), insets.getStableInsetTop(),
+ insets.getStableInsetRight(), insets.getStableInsetBottom()), equalTo(new Rect()));
+ }
+
+ @Test
+ public void negativeInsets_areSetToZero_positiveAreLeftAsIs() throws Exception {
+ mViewRootImpl.getAttachInfo().getContentInsets().set(-10, 20, -30 , 40);
+ mViewRootImpl.getAttachInfo().getStableInsets().set(10, -20, 30 , -40);
+ final WindowInsets insets = mViewRootImpl.getWindowInsets(true /* forceConstruct */);
+
+ assertThat(insets.getSystemWindowInsets(), equalTo(new Rect(0, 20, 0, 40)));
+ assertThat(new Rect(insets.getStableInsetLeft(), insets.getStableInsetTop(),
+ insets.getStableInsetRight(), insets.getStableInsetBottom()),
+ equalTo(new Rect(10, 0, 30, 0)));
+ }
+
+ @Test
+ public void positiveInsets_areLeftAsIs() throws Exception {
+ mViewRootImpl.getAttachInfo().getContentInsets().set(10, 20, 30 , 40);
+ mViewRootImpl.getAttachInfo().getStableInsets().set(10, 20, 30 , 40);
+ final WindowInsets insets = mViewRootImpl.getWindowInsets(true /* forceConstruct */);
+
+ assertThat(insets.getSystemWindowInsets(), equalTo(new Rect(10, 20, 30, 40)));
+ assertThat(new Rect(insets.getStableInsetLeft(), insets.getStableInsetTop(),
+ insets.getStableInsetRight(), insets.getStableInsetBottom()),
+ equalTo(new Rect(10, 20, 30, 40)));
+ }
+
+ private static class ViewRootImplAccessor {
+
+ private final ViewRootImpl mViewRootImpl;
+
+ ViewRootImplAccessor(ViewRootImpl viewRootImpl) {
+ mViewRootImpl = viewRootImpl;
+ }
+
+ public ViewRootImpl get() {
+ return mViewRootImpl;
+ }
+
+ AttachInfoAccessor getAttachInfo() throws Exception {
+ return new AttachInfoAccessor(
+ getField(mViewRootImpl, ViewRootImpl.class.getDeclaredField("mAttachInfo")));
+ }
+
+ WindowInsets getWindowInsets(boolean forceConstruct) throws Exception {
+ return (WindowInsets) invokeMethod(mViewRootImpl,
+ ViewRootImpl.class.getDeclaredMethod("getWindowInsets", boolean.class),
+ forceConstruct);
+ }
+
+ class AttachInfoAccessor {
+
+ private final Class<?> mClass;
+ private final Object mAttachInfo;
+
+ AttachInfoAccessor(Object attachInfo) throws Exception {
+ mAttachInfo = attachInfo;
+ mClass = ViewRootImpl.class.getClassLoader().loadClass(
+ "android.view.View$AttachInfo");
+ }
+
+ Rect getContentInsets() throws Exception {
+ return (Rect) getField(mAttachInfo, mClass.getDeclaredField("mContentInsets"));
+ }
+
+ Rect getStableInsets() throws Exception {
+ return (Rect) getField(mAttachInfo, mClass.getDeclaredField("mStableInsets"));
+ }
+ }
+
+ private static Object getField(Object o, Field field) throws Exception {
+ field.setAccessible(true);
+ return field.get(o);
+ }
+
+ private static Object invokeMethod(Object o, Method method, Object... args)
+ throws Exception {
+ method.setAccessible(true);
+ return method.invoke(o, args);
+ }
+ }
+}