Merge "DO NOT MERGE: InputDispatcher: Consider ownerPid in FLAG_OBSCURED calculations" into rvc-dev
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 56d6567..baf2f2b 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -1986,18 +1986,49 @@
return true;
}
+/**
+ * Indicate whether one window handle should be considered as obscuring
+ * another window handle. We only check a few preconditions. Actually
+ * checking the bounds is left to the caller.
+ */
+static bool canBeObscuredBy(const sp<InputWindowHandle>& windowHandle,
+ const sp<InputWindowHandle>& otherHandle) {
+ // Compare by token so cloned layers aren't counted
+ if (haveSameToken(windowHandle, otherHandle)) {
+ return false;
+ }
+ auto info = windowHandle->getInfo();
+ auto otherInfo = otherHandle->getInfo();
+ if (!otherInfo->visible) {
+ return false;
+ } else if (info->ownerPid == otherInfo->ownerPid && otherHandle->getToken() == nullptr) {
+ // In general, if ownerPid is the same we don't want to generate occlusion
+ // events. This line is now necessary since we are including all Surfaces
+ // in occlusion calculation, so if we didn't check PID like this SurfaceView
+ // would occlude their parents. On the other hand before we started including
+ // all surfaces in occlusion calculation and had this line, we would count
+ // windows with an input channel from the same PID as occluding, and so we
+ // preserve this behavior with the getToken() == null check.
+ return false;
+ } else if (otherInfo->isTrustedOverlay()) {
+ return false;
+ } else if (otherInfo->displayId != info->displayId) {
+ return false;
+ }
+ return true;
+}
+
bool InputDispatcher::isWindowObscuredAtPointLocked(const sp<InputWindowHandle>& windowHandle,
int32_t x, int32_t y) const {
int32_t displayId = windowHandle->getInfo()->displayId;
const std::vector<sp<InputWindowHandle>> windowHandles = getWindowHandlesLocked(displayId);
for (const sp<InputWindowHandle>& otherHandle : windowHandles) {
- if (otherHandle == windowHandle) {
- break;
+ if (windowHandle == otherHandle) {
+ break; // All future windows are below us. Exit early.
}
-
const InputWindowInfo* otherInfo = otherHandle->getInfo();
- if (otherInfo->displayId == displayId && otherInfo->visible &&
- !otherInfo->isTrustedOverlay() && otherInfo->frameContainsPoint(x, y)) {
+ if (canBeObscuredBy(windowHandle, otherHandle) &&
+ otherInfo->frameContainsPoint(x, y)) {
return true;
}
}
@@ -2009,13 +2040,13 @@
const std::vector<sp<InputWindowHandle>> windowHandles = getWindowHandlesLocked(displayId);
const InputWindowInfo* windowInfo = windowHandle->getInfo();
for (const sp<InputWindowHandle>& otherHandle : windowHandles) {
- if (otherHandle == windowHandle) {
- break;
+ if (windowHandle == otherHandle) {
+ break; // All future windows are below us. Exit early.
}
const InputWindowInfo* otherInfo = otherHandle->getInfo();
- if (otherInfo->displayId == displayId && otherInfo->visible &&
- !otherInfo->isTrustedOverlay() && otherInfo->overlaps(windowInfo)) {
+ if (canBeObscuredBy(windowHandle, otherHandle) &&
+ otherInfo->overlaps(windowInfo)) {
return true;
}
}