Use input token in PointerCaptureRequest
Instead of sending boolean to indicate the capture state,
InputDispatcher now sends an input window token that requests a
pointer capture, or nullptr otherwise.
This is useful for some InputReader implementations.
Also, this token can be used to verify if a pointer capture changed
event from a reader is valid.
Bug: 259346762
Bug: 301628662
Test: inputflinger_tests
Test: android.view.cts.PointerCaptureTest WindowFocusTests#testPointerCapture
Change-Id: Ie8343db6744dc2080f7f1dcff5a630be5c87fa3e
diff --git a/services/inputflinger/tests/CursorInputMapper_test.cpp b/services/inputflinger/tests/CursorInputMapper_test.cpp
index de74067..c44f880 100644
--- a/services/inputflinger/tests/CursorInputMapper_test.cpp
+++ b/services/inputflinger/tests/CursorInputMapper_test.cpp
@@ -166,7 +166,7 @@
}
void setPointerCapture(bool enabled) {
- mReaderConfiguration.pointerCaptureRequest.enable = enabled;
+ mReaderConfiguration.pointerCaptureRequest.window = enabled ? sp<BBinder>::make() : nullptr;
mReaderConfiguration.pointerCaptureRequest.seq = 1;
int32_t generation = mDevice->getGeneration();
std::list<NotifyArgs> args =
diff --git a/services/inputflinger/tests/FakeInputReaderPolicy.cpp b/services/inputflinger/tests/FakeInputReaderPolicy.cpp
index 9e93712..8f593b5 100644
--- a/services/inputflinger/tests/FakeInputReaderPolicy.cpp
+++ b/services/inputflinger/tests/FakeInputReaderPolicy.cpp
@@ -178,8 +178,8 @@
transform = t;
}
-PointerCaptureRequest FakeInputReaderPolicy::setPointerCapture(bool enabled) {
- mConfig.pointerCaptureRequest = {enabled, mNextPointerCaptureSequenceNumber++};
+PointerCaptureRequest FakeInputReaderPolicy::setPointerCapture(const sp<IBinder>& window) {
+ mConfig.pointerCaptureRequest = {window, mNextPointerCaptureSequenceNumber++};
return mConfig.pointerCaptureRequest;
}
diff --git a/services/inputflinger/tests/FakeInputReaderPolicy.h b/services/inputflinger/tests/FakeInputReaderPolicy.h
index da5085d..710bb54 100644
--- a/services/inputflinger/tests/FakeInputReaderPolicy.h
+++ b/services/inputflinger/tests/FakeInputReaderPolicy.h
@@ -68,7 +68,7 @@
TouchAffineTransformation getTouchAffineTransformation(const std::string& inputDeviceDescriptor,
ui::Rotation surfaceRotation);
void setTouchAffineTransformation(const TouchAffineTransformation t);
- PointerCaptureRequest setPointerCapture(bool enabled);
+ PointerCaptureRequest setPointerCapture(const sp<IBinder>& window);
void setShowTouches(bool enabled);
void setDefaultPointerDisplayId(int32_t pointerDisplayId);
void setPointerGestureEnabled(bool enabled);
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 60d598f..55d5f13 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -308,17 +308,22 @@
"signal";
}
- PointerCaptureRequest assertSetPointerCaptureCalled(bool enabled) {
+ PointerCaptureRequest assertSetPointerCaptureCalled(const sp<WindowInfoHandle>& window,
+ bool enabled) {
std::unique_lock lock(mLock);
base::ScopedLockAssertion assumeLocked(mLock);
- if (!mPointerCaptureChangedCondition.wait_for(lock, 100ms,
- [this, enabled]() REQUIRES(mLock) {
- return mPointerCaptureRequest->enable ==
- enabled;
- })) {
- ADD_FAILURE() << "Timed out waiting for setPointerCapture(" << enabled
- << ") to be called.";
+ if (!mPointerCaptureChangedCondition
+ .wait_for(lock, 100ms, [this, enabled, window]() REQUIRES(mLock) {
+ if (enabled) {
+ return mPointerCaptureRequest->isEnable() &&
+ mPointerCaptureRequest->window == window->getToken();
+ } else {
+ return !mPointerCaptureRequest->isEnable();
+ }
+ })) {
+ ADD_FAILURE() << "Timed out waiting for setPointerCapture(" << window->getName() << ", "
+ << enabled << ") to be called.";
return {};
}
auto request = *mPointerCaptureRequest;
@@ -333,7 +338,7 @@
if (mPointerCaptureChangedCondition.wait_for(lock, 100ms) != std::cv_status::timeout) {
FAIL() << "Expected setPointerCapture(request) to not be called, but was called. "
"enabled = "
- << std::to_string(mPointerCaptureRequest->enable);
+ << std::to_string(mPointerCaptureRequest->isEnable());
}
mPointerCaptureRequest.reset();
}
@@ -9888,7 +9893,7 @@
PointerCaptureRequest requestAndVerifyPointerCapture(const sp<FakeWindowHandle>& window,
bool enabled) {
mDispatcher->requestPointerCapture(window->getToken(), enabled);
- auto request = mFakePolicy->assertSetPointerCaptureCalled(enabled);
+ auto request = mFakePolicy->assertSetPointerCaptureCalled(window, enabled);
notifyPointerCaptureChanged(request);
window->consumeCaptureEvent(enabled);
return request;
@@ -9921,7 +9926,7 @@
mWindow->consumeCaptureEvent(false);
mWindow->consumeFocusEvent(false);
mSecondWindow->consumeFocusEvent(true);
- mFakePolicy->assertSetPointerCaptureCalled(false);
+ mFakePolicy->assertSetPointerCaptureCalled(mWindow, false);
// Ensure that additional state changes from InputReader are not sent to the window.
notifyPointerCaptureChanged({});
@@ -9940,7 +9945,7 @@
notifyPointerCaptureChanged(request);
// Ensure that Pointer Capture is disabled.
- mFakePolicy->assertSetPointerCaptureCalled(false);
+ mFakePolicy->assertSetPointerCaptureCalled(mWindow, false);
mWindow->consumeCaptureEvent(false);
mWindow->assertNoEvents();
}
@@ -9950,13 +9955,13 @@
// The first window loses focus.
setFocusedWindow(mSecondWindow);
- mFakePolicy->assertSetPointerCaptureCalled(false);
+ mFakePolicy->assertSetPointerCaptureCalled(mWindow, false);
mWindow->consumeCaptureEvent(false);
// Request Pointer Capture from the second window before the notification from InputReader
// arrives.
mDispatcher->requestPointerCapture(mSecondWindow->getToken(), true);
- auto request = mFakePolicy->assertSetPointerCaptureCalled(true);
+ auto request = mFakePolicy->assertSetPointerCaptureCalled(mSecondWindow, true);
// InputReader notifies Pointer Capture was disabled (because of the focus change).
notifyPointerCaptureChanged({});
@@ -9971,11 +9976,11 @@
TEST_F(InputDispatcherPointerCaptureTests, EnableRequestFollowsSequenceNumbers) {
// App repeatedly enables and disables capture.
mDispatcher->requestPointerCapture(mWindow->getToken(), true);
- auto firstRequest = mFakePolicy->assertSetPointerCaptureCalled(true);
+ auto firstRequest = mFakePolicy->assertSetPointerCaptureCalled(mWindow, true);
mDispatcher->requestPointerCapture(mWindow->getToken(), false);
- mFakePolicy->assertSetPointerCaptureCalled(false);
+ mFakePolicy->assertSetPointerCaptureCalled(mWindow, false);
mDispatcher->requestPointerCapture(mWindow->getToken(), true);
- auto secondRequest = mFakePolicy->assertSetPointerCaptureCalled(true);
+ auto secondRequest = mFakePolicy->assertSetPointerCaptureCalled(mWindow, true);
// InputReader notifies that PointerCapture has been enabled for the first request. Since the
// first request is now stale, this should do nothing.
@@ -9992,10 +9997,10 @@
// App toggles pointer capture off and on.
mDispatcher->requestPointerCapture(mWindow->getToken(), false);
- mFakePolicy->assertSetPointerCaptureCalled(false);
+ mFakePolicy->assertSetPointerCaptureCalled(mWindow, false);
mDispatcher->requestPointerCapture(mWindow->getToken(), true);
- auto enableRequest = mFakePolicy->assertSetPointerCaptureCalled(true);
+ auto enableRequest = mFakePolicy->assertSetPointerCaptureCalled(mWindow, true);
// InputReader notifies that the latest "enable" request was processed, while skipping over the
// preceding "disable" request.
@@ -10047,6 +10052,26 @@
mWindow->assertNoEvents();
}
+using InputDispatcherPointerCaptureDeathTest = InputDispatcherPointerCaptureTests;
+
+TEST_F(InputDispatcherPointerCaptureDeathTest,
+ NotifyPointerCaptureChangedWithWrongTokenAbortsDispatcher) {
+ testing::GTEST_FLAG(death_test_style) = "threadsafe";
+ ScopedSilentDeath _silentDeath;
+
+ mDispatcher->requestPointerCapture(mWindow->getToken(), true);
+ auto request = mFakePolicy->assertSetPointerCaptureCalled(mWindow, true);
+
+ // Dispatch a pointer changed event with a wrong token.
+ request.window = mSecondWindow->getToken();
+ ASSERT_DEATH(
+ {
+ notifyPointerCaptureChanged(request);
+ mSecondWindow->consumeCaptureEvent(true);
+ },
+ "Unexpected requested window for Pointer Capture.");
+}
+
class InputDispatcherUntrustedTouchesTest : public InputDispatcherTest {
protected:
constexpr static const float MAXIMUM_OBSCURING_OPACITY = 0.8;
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 835f8b8..1d46c9a 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -1165,18 +1165,18 @@
TEST_F(InputReaderTest, ChangingPointerCaptureNotifiesInputListener) {
NotifyPointerCaptureChangedArgs args;
- auto request = mFakePolicy->setPointerCapture(true);
+ auto request = mFakePolicy->setPointerCapture(/*window=*/sp<BBinder>::make());
mReader->requestRefreshConfiguration(InputReaderConfiguration::Change::POINTER_CAPTURE);
mReader->loopOnce();
mFakeListener->assertNotifyCaptureWasCalled(&args);
- ASSERT_TRUE(args.request.enable) << "Pointer Capture should be enabled.";
+ ASSERT_TRUE(args.request.isEnable()) << "Pointer Capture should be enabled.";
ASSERT_EQ(args.request, request) << "Pointer Capture sequence number should match.";
- mFakePolicy->setPointerCapture(false);
+ mFakePolicy->setPointerCapture(/*window=*/nullptr);
mReader->requestRefreshConfiguration(InputReaderConfiguration::Change::POINTER_CAPTURE);
mReader->loopOnce();
mFakeListener->assertNotifyCaptureWasCalled(&args);
- ASSERT_FALSE(args.request.enable) << "Pointer Capture should be disabled.";
+ ASSERT_FALSE(args.request.isEnable()) << "Pointer Capture should be disabled.";
// Verify that the Pointer Capture state is not updated when the configuration value
// does not change.
@@ -9802,7 +9802,7 @@
prepareAxes(POSITION | ID | SLOT);
mFakeEventHub->addKey(EVENTHUB_ID, BTN_LEFT, 0, AKEYCODE_UNKNOWN, 0);
mFakeEventHub->addKey(EVENTHUB_ID, BTN_TOUCH, 0, AKEYCODE_UNKNOWN, 0);
- mFakePolicy->setPointerCapture(true);
+ mFakePolicy->setPointerCapture(/*window=*/sp<BBinder>::make());
mFakePolicy->setPointerController(fakePointerController);
MultiTouchInputMapper& mapper = constructAndAddMapper<MultiTouchInputMapper>();
@@ -9934,7 +9934,7 @@
ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
// non captured touchpad should be a mouse source
- mFakePolicy->setPointerCapture(false);
+ mFakePolicy->setPointerCapture(/*window=*/nullptr);
configureDevice(InputReaderConfiguration::Change::POINTER_CAPTURE);
ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyDeviceResetWasCalled(&resetArgs));
ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper.getSources());
@@ -10012,14 +10012,14 @@
prepareAxes(POSITION | ID | SLOT);
mFakeEventHub->addKey(EVENTHUB_ID, BTN_LEFT, 0, AKEYCODE_UNKNOWN, 0);
mFakePolicy->setPointerController(fakePointerController);
- mFakePolicy->setPointerCapture(false);
+ mFakePolicy->setPointerCapture(/*window=*/nullptr);
MultiTouchInputMapper& mapper = constructAndAddMapper<MultiTouchInputMapper>();
// uncaptured touchpad should be a pointer device
ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper.getSources());
// captured touchpad should be a touchpad device
- mFakePolicy->setPointerCapture(true);
+ mFakePolicy->setPointerCapture(/*window=*/sp<BBinder>::make());
configureDevice(InputReaderConfiguration::Change::POINTER_CAPTURE);
ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper.getSources());
}
@@ -10090,7 +10090,7 @@
prepareAbsoluteAxisResolution(xAxisResolution, yAxisResolution);
// In order to enable swipe and freeform gesture in pointer mode, pointer capture
// needs to be disabled, and the pointer gesture needs to be enabled.
- mFakePolicy->setPointerCapture(false);
+ mFakePolicy->setPointerCapture(/*window=*/nullptr);
mFakePolicy->setPointerGestureEnabled(true);
mFakePolicy->setPointerController(fakePointerController);
diff --git a/services/inputflinger/tests/PointerChoreographer_test.cpp b/services/inputflinger/tests/PointerChoreographer_test.cpp
index e9e5061..cbfb28f 100644
--- a/services/inputflinger/tests/PointerChoreographer_test.cpp
+++ b/services/inputflinger/tests/PointerChoreographer_test.cpp
@@ -413,7 +413,8 @@
{generateTestDeviceInfo(DEVICE_ID, AINPUT_SOURCE_MOUSE_RELATIVE, ADISPLAY_ID_NONE)}});
mChoreographer.notifyPointerCaptureChanged(
NotifyPointerCaptureChangedArgs(/*id=*/2, systemTime(SYSTEM_TIME_MONOTONIC),
- PointerCaptureRequest(/*enable=*/true, /*seq=*/0)));
+ PointerCaptureRequest(/*window=*/sp<BBinder>::make(),
+ /*seq=*/0)));
// Notify motion as if pointer capture is enabled.
mChoreographer.notifyMotion(
@@ -450,7 +451,8 @@
// Enable pointer capture and check if the PointerController hid the pointer.
mChoreographer.notifyPointerCaptureChanged(
NotifyPointerCaptureChangedArgs(/*id=*/1, systemTime(SYSTEM_TIME_MONOTONIC),
- PointerCaptureRequest(/*enable=*/true, /*seq=*/0)));
+ PointerCaptureRequest(/*window=*/sp<BBinder>::make(),
+ /*seq=*/0)));
ASSERT_FALSE(pc->isPointerShown());
}
@@ -1295,7 +1297,8 @@
// Assume that pointer capture is enabled.
mChoreographer.notifyPointerCaptureChanged(
NotifyPointerCaptureChangedArgs(/*id=*/1, systemTime(SYSTEM_TIME_MONOTONIC),
- PointerCaptureRequest(/*enable=*/true, /*seq=*/0)));
+ PointerCaptureRequest(/*window=*/sp<BBinder>::make(),
+ /*seq=*/0)));
// Notify motion as if pointer capture is enabled.
mChoreographer.notifyMotion(MotionArgsBuilder(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHPAD)
@@ -1329,7 +1332,8 @@
// Enable pointer capture and check if the PointerController hid the pointer.
mChoreographer.notifyPointerCaptureChanged(
NotifyPointerCaptureChangedArgs(/*id=*/1, systemTime(SYSTEM_TIME_MONOTONIC),
- PointerCaptureRequest(/*enable=*/true, /*seq=*/0)));
+ PointerCaptureRequest(/*window=*/sp<BBinder>::make(),
+ /*seq=*/0)));
ASSERT_FALSE(pc->isPointerShown());
}
diff --git a/services/inputflinger/tests/fuzzers/TouchpadInputFuzzer.cpp b/services/inputflinger/tests/fuzzers/TouchpadInputFuzzer.cpp
index c2bf275..643e8b9 100644
--- a/services/inputflinger/tests/fuzzers/TouchpadInputFuzzer.cpp
+++ b/services/inputflinger/tests/fuzzers/TouchpadInputFuzzer.cpp
@@ -125,6 +125,9 @@
config.touchpadTapToClickEnabled = fdp.ConsumeBool();
config.touchpadTapDraggingEnabled = fdp.ConsumeBool();
config.touchpadRightClickZoneEnabled = fdp.ConsumeBool();
+
+ config.pointerCaptureRequest.window = fdp.ConsumeBool() ? sp<BBinder>::make() : nullptr;
+ config.pointerCaptureRequest.seq = fdp.ConsumeIntegral<uint32_t>();
}
} // namespace
@@ -145,7 +148,6 @@
// Some settings are fuzzed here, as well as in the main loop, to provide randomized data to the
// TouchpadInputMapper constructor.
setTouchpadSettings(*fdp, policyConfig);
- policyConfig.pointerCaptureRequest.enable = fdp->ConsumeBool();
TouchpadInputMapper& mapper =
getMapperForDevice<ThreadSafeFuzzedDataProvider, TouchpadInputMapper>(*fdp, device,
policyConfig);
@@ -164,7 +166,6 @@
[&]() -> void { mapper.getSources(); },
[&]() -> void {
setTouchpadSettings(*fdp, policyConfig);
- policyConfig.pointerCaptureRequest.enable = fdp->ConsumeBool();
std::list<NotifyArgs> unused =
mapper.reconfigure(fdp->ConsumeIntegral<nsecs_t>(), policyConfig,
InputReaderConfiguration::Change(