Add setFocusedWindow function stub
This function, once implemented, will set focus on the specified
window. This is the first step in changing focus selection from
setInputWindows and using explicit call which will help us more
easily decouple z-order from focus selection and support focus
for SurfaceViewHost surfaces.
Bug: 151179149
Test: presubmit
Test: go/wm-smoke
Test: atest inputflinger_tests
Change-Id: Ib2254b4ab3ba8d579dfe49ddf3286f8ce2eecf9e
diff --git a/libs/input/Android.bp b/libs/input/Android.bp
index 8a9f261..7dd5276 100644
--- a/libs/input/Android.bp
+++ b/libs/input/Android.bp
@@ -60,6 +60,7 @@
"LatencyStatistics.cpp",
"VelocityControl.cpp",
"VelocityTracker.cpp",
+ "android/FocusRequest.aidl",
"android/os/IInputFlinger.aidl",
"android/os/ISetInputWindowsListener.aidl",
],
diff --git a/libs/input/android/FocusRequest.aidl b/libs/input/android/FocusRequest.aidl
new file mode 100644
index 0000000..a5034a4
--- /dev/null
+++ b/libs/input/android/FocusRequest.aidl
@@ -0,0 +1,39 @@
+/**
+ * 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 android;
+
+/** @hide */
+parcelable FocusRequest {
+ /**
+ * Input channel token used to identify the window that should gain focus.
+ */
+ IBinder token;
+ /**
+ * The token that the caller expects currently to be focused. If the
+ * specified token does not match the currently focused window, this request will be dropped.
+ * If the specified focused token matches the currently focused window, the call will succeed.
+ * Set this to "null" if this call should succeed no matter what the currently focused token
+ * is.
+ */
+ @nullable IBinder focusedToken;
+ /**
+ * SYSTEM_TIME_MONOTONIC timestamp in nanos set by the client (wm) when requesting the focus
+ * change. This determines which request gets precedence if there is a focus change request
+ * from another source such as pointer down.
+ */
+ long timestamp;
+}
diff --git a/libs/input/android/os/IInputFlinger.aidl b/libs/input/android/os/IInputFlinger.aidl
index 44bb66d..5eefad3 100644
--- a/libs/input/android/os/IInputFlinger.aidl
+++ b/libs/input/android/os/IInputFlinger.aidl
@@ -16,6 +16,7 @@
package android.os;
+import android.FocusRequest;
import android.InputChannel;
import android.InputWindowInfo;
import android.os.ISetInputWindowsListener;
@@ -31,4 +32,9 @@
in @nullable ISetInputWindowsListener setInputWindowsListener);
void registerInputChannel(in InputChannel channel);
void unregisterInputChannel(in InputChannel channel);
+ /**
+ * Sets focus to the window identified by the token. This must be called
+ * after updating any input window handles.
+ */
+ oneway void setFocusedWindow(in FocusRequest request);
}