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Get the focused window from WMS

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This is a temp workaround until WindowLess window are supported and to
enable sysui to get back gestures.

Test: BackNavigationTests
Bug: 221071505
Bug: 216604581
Bug: 220121937
Change-Id: Ib45b9425d0a96510779b82b126cf651a33104403
This commit is contained in:
Vadim Caen
2022-02-23 19:28:04 +01:00
parent 1c92783e96
commit 8d6007bf73
2 changed files with 35 additions and 15 deletions
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48
services/core/java/com/android/server/wm/BackNavigationController.java
View File

@@ -98,20 +98,33 @@ class BackNavigationController {
HardwareBuffer screenshotBuffer = null;
int prevTaskId;
int prevUserId;
IOnBackInvokedCallback applicationCallback = null;
IOnBackInvokedCallback systemCallback = null;
RemoteAnimationTarget topAppTarget;
SurfaceControl animLeash;
IOnBackInvokedCallback callback = null;
synchronized (task.mWmService.mGlobalLock) {
activityRecord = task.topRunningActivity();
removedWindowContainer = activityRecord;
taskWindowConfiguration = task.getTaskInfo().configuration.windowConfiguration;
WindowState window = task.getWindow(WindowState::isFocused);
// TODO Temp workaround for Sysui until b/221071505 is fixed
WindowState window = task.mWmService.getFocusedWindowLocked();
if (window == null) {
activityRecord = task.topRunningActivity();
removedWindowContainer = activityRecord;
taskWindowConfiguration = task.getTaskInfo().configuration.windowConfiguration;
window = task.getWindow(WindowState::isFocused);
} else {
activityRecord = window.mActivityRecord;
removedWindowContainer = activityRecord;
taskWindowConfiguration = window.getWindowConfiguration();
}
IOnBackInvokedCallback applicationCallback = null;
IOnBackInvokedCallback systemCallback = null;
if (window != null) {
applicationCallback = window.getApplicationOnBackInvokedCallback();
systemCallback = window.getSystemOnBackInvokedCallback();
callback = applicationCallback;
if (callback == null) {
systemCallback = window.getSystemOnBackInvokedCallback();
callback = systemCallback;
}
}
ProtoLog.d(WM_DEBUG_BACK_PREVIEW, "startBackNavigation task=%s, "
@@ -119,16 +132,25 @@ class BackNavigationController {
+ "systemBackCallback=%s",
task, activityRecord, applicationCallback, systemCallback);
// TODO Temp workaround for Sysui until b/221071505 is fixed
if (activityRecord == null && callback != null) {
return new BackNavigationInfo(BackNavigationInfo.TYPE_CALLBACK,
null /* topWindowLeash */, null /* screenshotSurface */,
null /* screenshotBuffer */, null /* taskWindowConfiguration */,
null /* onBackNavigationDone */,
callback /* onBackInvokedCallback */);
}
// For IME and Home, either a callback is registered, or we do nothing. In both cases,
// we don't need to pass the leashes below.
if (task.getDisplayContent().getImeContainer().isVisible()
if (activityRecord == null || task.getDisplayContent().getImeContainer().isVisible()
|| activityRecord.isActivityTypeHome()) {
if (applicationCallback != null) {
if (callback != null) {
return new BackNavigationInfo(BackNavigationInfo.TYPE_CALLBACK,
null /* topWindowLeash */, null /* screenshotSurface */,
null /* screenshotBuffer */, null /* taskWindowConfiguration */,
null /* onBackNavigationDone */,
applicationCallback /* onBackInvokedCallback */);
callback /* onBackInvokedCallback */);
} else {
return null;
}
@@ -137,12 +159,12 @@ class BackNavigationController {
prev = task.getActivity(
(r) -> !r.finishing && r.getTask() == task && !r.isTopRunningActivity());
if (applicationCallback != null) {
if (callback != null) {
return new BackNavigationInfo(BackNavigationInfo.TYPE_CALLBACK,
null /* topWindowLeash */, null /* screenshotSurface */,
null /* screenshotBuffer */, null /* taskWindowConfiguration */,
null /* onBackNavigationDone */,
applicationCallback /* onBackInvokedCallback */);
callback /* onBackInvokedCallback */);
} else if (prev != null) {
backType = BackNavigationInfo.TYPE_CROSS_ACTIVITY;
} else if (task.returnsToHomeRootTask()) {
@@ -239,8 +261,6 @@ class BackNavigationController {
return null;
}
final IOnBackInvokedCallback callback =
applicationCallback != null ? applicationCallback : systemCallback;
RemoteCallback onBackNavigationDone = new RemoteCallback(
result -> resetSurfaces(finalRemovedWindowContainer
));

2
services/core/java/com/android/server/wm/WindowManagerService.java
View File

@@ -4849,7 +4849,7 @@ public class WindowManagerService extends IWindowManager.Stub
}
}
private WindowState getFocusedWindowLocked() {
WindowState getFocusedWindowLocked() {
// Return the focused window in the focused display.
return mRoot.getTopFocusedDisplayContent().mCurrentFocus;
}