Move focus dispatch to input (1/2)
Input now tells the apps when they have focus.
When a focus change has been detected, we enqueue a FocusEntry into the
dispatcher queue. It will be sent to the app via the socket.
At the same time, we tell the apps the current state of the touch mode.
Bug: 70668286
Test: atest libinput_tests inputflinger_tests
Change-Id: Icefb9383ba8424162d739c9e981bd1dd01cc7941
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 5ffc89d..c262abb 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -482,12 +482,31 @@
EXPECT_EQ(expectedFlags, motionEvent.getFlags());
break;
}
+ case AINPUT_EVENT_TYPE_FOCUS: {
+ FAIL() << "Use 'consumeFocusEvent' for FOCUS events";
+ }
default: {
FAIL() << mName.c_str() << ": invalid event type: " << expectedEventType;
}
}
}
+ void consumeFocusEvent(bool hasFocus, bool inTouchMode) {
+ InputEvent* event = consume();
+ ASSERT_NE(nullptr, event) << mName.c_str()
+ << ": consumer should have returned non-NULL event.";
+ ASSERT_EQ(AINPUT_EVENT_TYPE_FOCUS, event->getType())
+ << "Got " << inputEventTypeToString(event->getType())
+ << " event instead of FOCUS event";
+
+ ASSERT_EQ(ADISPLAY_ID_NONE, event->getDisplayId())
+ << mName.c_str() << ": event displayId should always be NONE.";
+
+ FocusEvent* focusEvent = static_cast<FocusEvent*>(event);
+ EXPECT_EQ(hasFocus, focusEvent->getHasFocus());
+ EXPECT_EQ(inTouchMode, focusEvent->getInTouchMode());
+ }
+
void assertNoEvents() {
InputEvent* event = consume();
ASSERT_EQ(nullptr, event)
@@ -508,7 +527,6 @@
public:
static const int32_t WIDTH = 600;
static const int32_t HEIGHT = 800;
- const std::string mName;
FakeWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle,
const sp<InputDispatcher>& dispatcher, const std::string name,
@@ -551,7 +569,7 @@
virtual bool updateInfo() { return true; }
- void setFocus() { mInfo.hasFocus = true; }
+ void setFocus(bool hasFocus) { mInfo.hasFocus = hasFocus; }
void setFrame(const Rect& frame) {
mInfo.frameLeft = frame.left;
@@ -586,6 +604,12 @@
expectedFlags);
}
+ void consumeFocusEvent(bool hasFocus, bool inTouchMode = true) {
+ ASSERT_NE(mInputReceiver, nullptr)
+ << "Cannot consume events from a window with no receiver";
+ mInputReceiver->consumeFocusEvent(hasFocus, inTouchMode);
+ }
+
void consumeEvent(int32_t expectedEventType, int32_t expectedAction, int32_t expectedDisplayId,
int32_t expectedFlags) {
ASSERT_NE(mInputReceiver, nullptr) << "Invalid consume event on window with no receiver";
@@ -608,7 +632,10 @@
sp<IBinder> getToken() { return mInfo.token; }
+ const std::string& getName() { return mName; }
+
private:
+ const std::string mName;
std::unique_ptr<FakeInputReceiver> mInputReceiver;
};
@@ -759,10 +786,11 @@
// Set focused application.
mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
- // Expect one focus window exist in display.
- windowSecond->setFocus();
-
+ // Display should have only one focused window
+ windowSecond->setFocus(true);
mDispatcher->setInputWindows({windowTop, windowSecond}, ADISPLAY_ID_DEFAULT);
+
+ windowSecond->consumeFocusEvent(true);
ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectKeyDown(mDispatcher))
<< "Inject key event should return INPUT_EVENT_INJECTION_SUCCEEDED";
@@ -782,10 +810,11 @@
mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
// Display has two focused windows. Add them to inputWindowsHandles in z-order (top most first)
- windowTop->setFocus();
- windowSecond->setFocus();
+ windowTop->setFocus(true);
+ windowSecond->setFocus(true);
mDispatcher->setInputWindows({windowTop, windowSecond}, ADISPLAY_ID_DEFAULT);
+ windowTop->consumeFocusEvent(true);
ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectKeyDown(mDispatcher))
<< "Inject key event should return INPUT_EVENT_INJECTION_SUCCEEDED";
@@ -805,11 +834,12 @@
// Set focused application.
mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
- windowTop->setFocus();
- windowSecond->setFocus();
+ windowTop->setFocus(true);
+ windowSecond->setFocus(true);
// Release channel for window is no longer valid.
windowTop->releaseChannel();
mDispatcher->setInputWindows({windowTop, windowSecond}, ADISPLAY_ID_DEFAULT);
+ windowSecond->consumeFocusEvent(true);
// Test inject a key down, should dispatch to a valid window.
ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectKeyDown(mDispatcher))
@@ -849,9 +879,10 @@
sp<FakeApplicationHandle> application = new FakeApplicationHandle();
sp<FakeWindowHandle> window =
new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
- window->setFocus();
+ window->setFocus(true);
mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+ window->consumeFocusEvent(true);
NotifyKeyArgs keyArgs = generateKeyArgs(AKEY_EVENT_ACTION_DOWN, ADISPLAY_ID_DEFAULT);
mDispatcher->notifyKey(&keyArgs);
@@ -890,6 +921,59 @@
0 /*expectedFlags*/);
}
+TEST_F(InputDispatcherTest, FocusedWindow_ReceivesFocusEventAndKeyEvent) {
+ sp<FakeApplicationHandle> application = new FakeApplicationHandle();
+ sp<FakeWindowHandle> window =
+ new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+
+ window->setFocus(true);
+ mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+
+ window->consumeFocusEvent(true);
+
+ NotifyKeyArgs keyArgs = generateKeyArgs(AKEY_EVENT_ACTION_DOWN, ADISPLAY_ID_DEFAULT);
+ mDispatcher->notifyKey(&keyArgs);
+
+ // Window should receive key down event.
+ window->consumeKeyDown(ADISPLAY_ID_DEFAULT);
+}
+
+TEST_F(InputDispatcherTest, UnfocusedWindow_DoesNotReceiveFocusEventOrKeyEvent) {
+ sp<FakeApplicationHandle> application = new FakeApplicationHandle();
+ sp<FakeWindowHandle> window =
+ new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+
+ mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+
+ NotifyKeyArgs keyArgs = generateKeyArgs(AKEY_EVENT_ACTION_DOWN, ADISPLAY_ID_DEFAULT);
+ mDispatcher->notifyKey(&keyArgs);
+ mDispatcher->waitForIdle();
+
+ window->assertNoEvents();
+}
+
+// If a window is touchable, but does not have focus, it should receive motion events, but not keys
+TEST_F(InputDispatcherTest, UnfocusedWindow_ReceivesMotionsButNotKeys) {
+ sp<FakeApplicationHandle> application = new FakeApplicationHandle();
+ sp<FakeWindowHandle> window =
+ new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
+
+ mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+
+ // Send key
+ NotifyKeyArgs keyArgs = generateKeyArgs(AKEY_EVENT_ACTION_DOWN, ADISPLAY_ID_DEFAULT);
+ mDispatcher->notifyKey(&keyArgs);
+ // Send motion
+ NotifyMotionArgs motionArgs =
+ generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
+ ADISPLAY_ID_DEFAULT);
+ mDispatcher->notifyMotion(&motionArgs);
+
+ // Window should receive only the motion event
+ window->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+ window->assertNoEvents(); // Key event or focus event will not be received
+}
+
class FakeMonitorReceiver {
public:
FakeMonitorReceiver(const sp<InputDispatcher>& dispatcher, const std::string name,
@@ -946,9 +1030,10 @@
new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
- window->setFocus();
+ window->setFocus(true);
mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+ window->consumeFocusEvent(true);
FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
true /*isGestureMonitor*/);
@@ -1010,6 +1095,49 @@
0 /*expectedFlags*/);
}
+/**
+ * Dispatcher has touch mode enabled by default. Typically, the policy overrides that value to
+ * the device default right away. In the test scenario, we check both the default value,
+ * and the action of enabling / disabling.
+ */
+TEST_F(InputDispatcherTest, TouchModeState_IsSentToApps) {
+ sp<FakeApplicationHandle> application = new FakeApplicationHandle();
+ sp<FakeWindowHandle> window =
+ new FakeWindowHandle(application, mDispatcher, "Test window", ADISPLAY_ID_DEFAULT);
+
+ // Set focused application.
+ mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
+ window->setFocus(true);
+
+ SCOPED_TRACE("Check default value of touch mode");
+ mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+ window->consumeFocusEvent(true /*hasFocus*/, true /*inTouchMode*/);
+
+ SCOPED_TRACE("Remove the window to trigger focus loss");
+ window->setFocus(false);
+ mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+ window->consumeFocusEvent(false /*hasFocus*/, true /*inTouchMode*/);
+
+ SCOPED_TRACE("Disable touch mode");
+ mDispatcher->setInTouchMode(false);
+ window->setFocus(true);
+ mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+ window->consumeFocusEvent(true /*hasFocus*/, false /*inTouchMode*/);
+
+ SCOPED_TRACE("Remove the window to trigger focus loss");
+ window->setFocus(false);
+ mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+ window->consumeFocusEvent(false /*hasFocus*/, false /*inTouchMode*/);
+
+ SCOPED_TRACE("Enable touch mode again");
+ mDispatcher->setInTouchMode(true);
+ window->setFocus(true);
+ mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+ window->consumeFocusEvent(true /*hasFocus*/, true /*inTouchMode*/);
+
+ window->assertNoEvents();
+}
+
/* Test InputDispatcher for MultiDisplay */
class InputDispatcherFocusOnTwoDisplaysTest : public InputDispatcherTest {
public:
@@ -1023,8 +1151,9 @@
// Set focus window for primary display, but focused display would be second one.
mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application1);
- windowInPrimary->setFocus();
+ windowInPrimary->setFocus(true);
mDispatcher->setInputWindows({windowInPrimary}, ADISPLAY_ID_DEFAULT);
+ windowInPrimary->consumeFocusEvent(true);
application2 = new FakeApplicationHandle();
windowInSecondary = new FakeWindowHandle(application2, mDispatcher, "D_2",
@@ -1034,8 +1163,9 @@
mDispatcher->setFocusedDisplay(SECOND_DISPLAY_ID);
// Set focus window for second display.
mDispatcher->setFocusedApplication(SECOND_DISPLAY_ID, application2);
- windowInSecondary->setFocus();
+ windowInSecondary->setFocus(true);
mDispatcher->setInputWindows({windowInSecondary}, SECOND_DISPLAY_ID);
+ windowInSecondary->consumeFocusEvent(true);
}
virtual void TearDown() override {
@@ -1094,6 +1224,7 @@
ASSERT_EQ(INPUT_EVENT_INJECTION_TIMED_OUT, injectKeyDown(mDispatcher))
<< "Inject key event should return INPUT_EVENT_INJECTION_TIMED_OUT";
windowInPrimary->assertNoEvents();
+ windowInSecondary->consumeFocusEvent(false);
windowInSecondary->assertNoEvents();
}
@@ -1244,10 +1375,11 @@
// Set focused application.
mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
- mFocusedWindow->setFocus();
+ mFocusedWindow->setFocus(true);
// Expect one focus window exist in display.
mDispatcher->setInputWindows({mUnfocusedWindow, mFocusedWindow}, ADISPLAY_ID_DEFAULT);
+ mFocusedWindow->consumeFocusEvent(true);
}
virtual void TearDown() override {
@@ -1350,7 +1482,7 @@
void consumeMotionEvent(const sp<FakeWindowHandle>& window, int32_t expectedAction,
const std::vector<PointF>& points) {
- std::string name = window->mName;
+ const std::string name = window->getName();
InputEvent* event = window->consume();
ASSERT_NE(nullptr, event) << name.c_str()