Merge "GlobalActions: Disable IME focusability" into rvc-dev am: 4869550555

Change-Id: I6ffc96a60eee5d35676ef3571d0706ebb1553e78

packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java

@@ -15,6 +15,7 @@
 package com.android.systemui.globalactions;
 
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
+import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
 import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
 import static android.view.WindowManager.ScreenshotSource.SCREENSHOT_GLOBAL_ACTIONS;
 import static android.view.WindowManager.TAKE_SCREENSHOT_FULLSCREEN;
@@ -485,6 +486,8 @@ public class GlobalActionsDialog implements DialogInterface.OnDismissListener,
         attrs.setTitle("ActionsDialog");
         attrs.layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
         mDialog.getWindow().setAttributes(attrs);
+        // Don't acquire soft keyboard focus, to avoid destroying state when capturing bugreports
+        mDialog.getWindow().setFlags(FLAG_ALT_FOCUSABLE_IM, FLAG_ALT_FOCUSABLE_IM);
         mDialog.show();
         mWindowManagerFuncs.onGlobalActionsShown();
     }

packages/SystemUI/tests/AndroidManifest.xml

@@ -69,6 +69,11 @@
             android:exported="false"
             android:resizeableActivity="true" />
 
+        <activity
+            android:name="com.android.systemui.globalactions.GlobalActionsImeTest$TestActivity"
+            android:excludeFromRecents="true"
+            android:exported="false" />
+
         <provider
             android:name="androidx.lifecycle.ProcessLifecycleOwnerInitializer"
             tools:replace="android:authorities"

packages/SystemUI/tests/src/com/android/systemui/globalactions/GlobalActionsImeTest.java

@@ -0,0 +1,152 @@
+/*
+ * 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 static android.view.WindowInsets.Type.ime;
+
+import static org.junit.Assert.assertTrue;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.os.SystemClock;
+import android.view.View;
+import android.view.WindowInsets;
+import android.view.WindowInsetsController;
+import android.widget.EditText;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.test.filters.LargeTest;
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.rule.ActivityTestRule;
+
+import org.junit.Rule;
+import org.junit.Test;
+
+import java.util.concurrent.TimeUnit;
+import java.util.function.BooleanSupplier;
+
+@LargeTest
+public class GlobalActionsImeTest {
+
+    @Rule
+    public ActivityTestRule<TestActivity> mActivityTestRule = new ActivityTestRule<>(
+            TestActivity.class, false, false);
+
+    /**
+     * This test verifies that GlobalActions, which is frequently used to capture bugreports,
+     * doesn't interfere with the IME, i.e. soft-keyboard state.
+     */
+    @Test
+    public void testGlobalActions_doesntStealImeControl() {
+        final TestActivity activity = mActivityTestRule.launchActivity(null);
+
+        activity.waitFor(() -> activity.mHasFocus && activity.mControlsIme && activity.mImeVisible);
+
+        InstrumentationRegistry.getInstrumentation().getUiAutomation().executeShellCommand(
+                "input keyevent --longpress POWER"
+        );
+
+        activity.waitFor(() -> !activity.mHasFocus);
+        // Give the dialog time to animate in, and steal IME focus. Unfortunately, there's currently
+        // no better way to wait for this.
+        SystemClock.sleep(TimeUnit.SECONDS.toMillis(2));
+
+        runAssertionOnMainThread(() -> {
+            assertTrue("IME should remain visible behind GlobalActions, but didn't",
+                    activity.mControlsIme);
+            assertTrue("App behind GlobalActions should remain in control of IME, but didn't",
+                    activity.mImeVisible);
+        });
+    }
+
+    /** Like Instrumentation.runOnMainThread(), but forwards AssertionErrors to the caller. */
+    private static void runAssertionOnMainThread(Runnable r) {
+        AssertionError[] t = new AssertionError[1];
+        InstrumentationRegistry.getInstrumentation().runOnMainSync(() -> {
+            try {
+                r.run();
+            } catch (AssertionError e) {
+                t[0] = e;
+                // Ignore assertion - throwing it here would crash the main thread.
+            }
+        });
+        if (t[0] != null) {
+            throw t[0];
+        }
+    }
+
+    public static class TestActivity extends Activity implements
+            WindowInsetsController.OnControllableInsetsChangedListener,
+            View.OnApplyWindowInsetsListener {
+
+        private EditText mContent;
+        boolean mHasFocus;
+        boolean mControlsIme;
+        boolean mImeVisible;
+
+        @Override
+        protected void onCreate(@Nullable Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+
+            mContent = new EditText(this);
+            mContent.setCursorVisible(false);  // Otherwise, main thread doesn't go idle.
+            setContentView(mContent);
+            mContent.requestFocus();
+
+            getWindow().getDecorView().setOnApplyWindowInsetsListener(this);
+            WindowInsetsController wic = mContent.getWindowInsetsController();
+            wic.addOnControllableInsetsChangedListener(this);
+            wic.show(ime());
+        }
+
+        @Override
+        public void onWindowFocusChanged(boolean hasFocus) {
+            synchronized (this) {
+                mHasFocus = hasFocus;
+                notifyAll();
+            }
+        }
+
+        @Override
+        public void onControllableInsetsChanged(@NonNull WindowInsetsController controller,
+                int typeMask) {
+            synchronized (this) {
+                mControlsIme = (typeMask & ime()) != 0;
+                notifyAll();
+            }
+        }
+
+        void waitFor(BooleanSupplier condition) {
+            synchronized (this) {
+                while (!condition.getAsBoolean()) {
+                    try {
+                        wait(TimeUnit.SECONDS.toMillis(5));
+                    } catch (InterruptedException e) {
+                        throw new RuntimeException(e);
+                    }
+                }
+            }
+        }
+
+        @Override
+        public WindowInsets onApplyWindowInsets(View v, WindowInsets insets) {
+            mImeVisible = insets.isVisible(ime());
+            return v.onApplyWindowInsets(insets);
+        }
+    }
+}

services/core/java/com/android/server/policy/LegacyGlobalActions.java

@@ -16,6 +16,8 @@
 
 package com.android.server.policy;
 
+import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
+
 import android.app.ActivityManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -336,6 +338,8 @@ class LegacyGlobalActions implements DialogInterface.OnDismissListener, DialogIn
                     }
         });
         dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
+        // Don't acquire soft keyboard focus, to avoid destroying state when capturing bugreports
+        mDialog.getWindow().setFlags(FLAG_ALT_FOCUSABLE_IM, FLAG_ALT_FOCUSABLE_IM);
 
         dialog.setOnDismissListener(this);