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-rw-r--r--include/input/PrintTools.h3
-rw-r--r--services/inputflinger/dispatcher/InputDispatcher.cpp106
-rw-r--r--services/inputflinger/dispatcher/InputDispatcher.h6
-rw-r--r--services/inputflinger/dispatcher/TouchState.cpp74
-rw-r--r--services/inputflinger/dispatcher/TouchState.h15
-rw-r--r--services/inputflinger/dispatcher/TouchedWindow.cpp218
-rw-r--r--services/inputflinger/dispatcher/TouchedWindow.h55
7 files changed, 352 insertions, 125 deletions
diff --git a/include/input/PrintTools.h b/include/input/PrintTools.h
index 0ca6fa30ce..0e3fbb1982 100644
--- a/include/input/PrintTools.h
+++ b/include/input/PrintTools.h
@@ -27,6 +27,9 @@ namespace android {
template <size_t N>
std::string bitsetToString(const std::bitset<N>& bitset) {
+ if (bitset.none()) {
+ return "<none>";
+ }
return bitset.to_string();
}
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 6f2464b41b..d91fe4c9f1 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -654,7 +654,6 @@ std::vector<TouchedWindow> getHoveringWindowsLocked(const TouchState* oldState,
TouchedWindow touchedWindow;
touchedWindow.windowHandle = oldWindow;
touchedWindow.targetFlags = InputTarget::Flags::DISPATCH_AS_HOVER_EXIT;
- touchedWindow.pointerIds.set(pointerId);
out.push_back(touchedWindow);
}
}
@@ -673,7 +672,7 @@ std::vector<TouchedWindow> getHoveringWindowsLocked(const TouchState* oldState,
}
touchedWindow.targetFlags = InputTarget::Flags::DISPATCH_AS_IS;
}
- touchedWindow.pointerIds.set(pointerId);
+ touchedWindow.addHoveringPointer(entry.deviceId, pointerId);
if (canReceiveForegroundTouches(*newWindow->getInfo())) {
touchedWindow.targetFlags |= InputTarget::Flags::FOREGROUND;
}
@@ -2195,8 +2194,8 @@ std::vector<Monitor> InputDispatcher::selectResponsiveMonitorsLocked(
/**
* In general, touch should be always split between windows. Some exceptions:
* 1. Don't split touch is if we have an active pointer down, and a new pointer is going down that's
- * from the same device, *and* the window that's receiving the current pointer does not support
- * split touch.
+ * from the same device, *and* the window that's receiving the current pointer does not support
+ * split touch.
* 2. Don't split mouse events
*/
bool InputDispatcher::shouldSplitTouch(const TouchState& touchState,
@@ -2221,7 +2220,8 @@ bool InputDispatcher::shouldSplitTouch(const TouchState& touchState,
// Eventually, touchedWindow will contain the deviceId of each pointer that's currently
// being sent there. For now, use deviceId from touch state.
- if (entry.deviceId == touchState.deviceId && touchedWindow.pointerIds.any()) {
+ if (entry.deviceId == touchState.deviceId &&
+ touchedWindow.hasTouchingPointers(entry.deviceId)) {
return false;
}
}
@@ -2404,7 +2404,7 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
// still add a window to the touch state. We should avoid doing that, but some of the
// later checks ("at least one foreground window") rely on this in order to dispatch
// the event properly, so that needs to be updated, possibly by looking at InputTargets.
- tempTouchState.addOrUpdateWindow(windowHandle, targetFlags, pointerIds,
+ tempTouchState.addOrUpdateWindow(windowHandle, targetFlags, entry.deviceId, pointerIds,
isDownOrPointerDown
? std::make_optional(entry.eventTime)
: std::nullopt);
@@ -2428,8 +2428,8 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
if (isSplit) {
wallpaperFlags |= InputTarget::Flags::SPLIT;
}
- tempTouchState.addOrUpdateWindow(wallpaper, wallpaperFlags, pointerIds,
- entry.eventTime);
+ tempTouchState.addOrUpdateWindow(wallpaper, wallpaperFlags, entry.deviceId,
+ pointerIds, entry.eventTime);
}
}
}
@@ -2440,12 +2440,12 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
// which is a specific behaviour that we want.
const int32_t pointerId = entry.pointerProperties[pointerIndex].id;
for (TouchedWindow& touchedWindow : tempTouchState.windows) {
- if (touchedWindow.pointerIds.test(pointerId) &&
- touchedWindow.pilferedPointerIds.count() > 0) {
+ if (touchedWindow.hasTouchingPointer(entry.deviceId, pointerId) &&
+ touchedWindow.hasPilferingPointers(entry.deviceId)) {
// This window is already pilfering some pointers, and this new pointer is also
// going to it. Therefore, take over this pointer and don't give it to anyone
// else.
- touchedWindow.pilferedPointerIds.set(pointerId);
+ touchedWindow.addPilferingPointer(entry.deviceId, pointerId);
}
}
@@ -2517,7 +2517,7 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
tempTouchState.getTouchedWindow(oldTouchedWindowHandle);
addWindowTargetLocked(oldTouchedWindowHandle,
InputTarget::Flags::DISPATCH_AS_SLIPPERY_EXIT, pointerIds,
- touchedWindow.firstDownTimeInTarget, targets);
+ touchedWindow.getDownTimeInTarget(entry.deviceId), targets);
// Make a slippery entrance into the new window.
if (newTouchedWindowHandle->getInfo()->supportsSplitTouch()) {
@@ -2538,13 +2538,14 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
targetFlags |= InputTarget::Flags::WINDOW_IS_PARTIALLY_OBSCURED;
}
- tempTouchState.addOrUpdateWindow(newTouchedWindowHandle, targetFlags, pointerIds,
- entry.eventTime);
+ tempTouchState.addOrUpdateWindow(newTouchedWindowHandle, targetFlags,
+ entry.deviceId, pointerIds, entry.eventTime);
// Check if the wallpaper window should deliver the corresponding event.
slipWallpaperTouch(targetFlags, oldTouchedWindowHandle, newTouchedWindowHandle,
- tempTouchState, pointerId, targets);
- tempTouchState.removeTouchedPointerFromWindow(pointerId, oldTouchedWindowHandle);
+ tempTouchState, entry.deviceId, pointerId, targets);
+ tempTouchState.removeTouchingPointerFromWindow(entry.deviceId, pointerId,
+ oldTouchedWindowHandle);
}
}
@@ -2558,7 +2559,8 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
if (mDragState && mDragState->dragWindow == touchedWindow.windowHandle) {
continue;
}
- touchedWindow.pointerIds.set(entry.pointerProperties[pointerIndex].id);
+ touchedWindow.addTouchingPointer(entry.deviceId,
+ entry.pointerProperties[pointerIndex].id);
}
}
}
@@ -2570,7 +2572,7 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
for (const TouchedWindow& touchedWindow : hoveringWindows) {
std::optional<InputTarget> target =
createInputTargetLocked(touchedWindow.windowHandle, touchedWindow.targetFlags,
- touchedWindow.firstDownTimeInTarget);
+ touchedWindow.getDownTimeInTarget(entry.deviceId));
if (!target) {
continue;
}
@@ -2627,15 +2629,16 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
// Output targets from the touch state.
for (const TouchedWindow& touchedWindow : tempTouchState.windows) {
- if (touchedWindow.pointerIds.none() && !touchedWindow.hasHoveringPointers(entry.deviceId)) {
+ if (!touchedWindow.hasTouchingPointers(entry.deviceId) &&
+ !touchedWindow.hasHoveringPointers(entry.deviceId)) {
// Windows with hovering pointers are getting persisted inside TouchState.
// Do not send this event to those windows.
continue;
}
addWindowTargetLocked(touchedWindow.windowHandle, touchedWindow.targetFlags,
- touchedWindow.pointerIds, touchedWindow.firstDownTimeInTarget,
- targets);
+ touchedWindow.getTouchingPointers(entry.deviceId),
+ touchedWindow.getDownTimeInTarget(entry.deviceId), targets);
}
// During targeted injection, only allow owned targets to receive events
@@ -2694,7 +2697,7 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
}
} else if (maskedAction == AMOTION_EVENT_ACTION_UP) {
// Pointer went up.
- tempTouchState.removeTouchedPointer(entry.pointerProperties[0].id);
+ tempTouchState.removeTouchingPointer(entry.deviceId, entry.pointerProperties[0].id);
} else if (maskedAction == AMOTION_EVENT_ACTION_CANCEL) {
// All pointers up or canceled.
tempTouchState.reset();
@@ -2711,8 +2714,8 @@ std::vector<InputTarget> InputDispatcher::findTouchedWindowTargetsLocked(
for (size_t i = 0; i < tempTouchState.windows.size();) {
TouchedWindow& touchedWindow = tempTouchState.windows[i];
- touchedWindow.pointerIds.reset(pointerId);
- if (touchedWindow.pointerIds.none()) {
+ touchedWindow.removeTouchingPointer(entry.deviceId, pointerId);
+ if (!touchedWindow.hasTouchingPointers(entry.deviceId)) {
tempTouchState.windows.erase(tempTouchState.windows.begin() + i);
continue;
}
@@ -5451,14 +5454,22 @@ bool InputDispatcher::transferTouchFocus(const sp<IBinder>& fromToken, const sp<
// Find the target touch state and touched window by fromToken.
auto [state, touchedWindow, displayId] = findTouchStateWindowAndDisplayLocked(fromToken);
+
if (state == nullptr || touchedWindow == nullptr) {
- ALOGD("Focus transfer failed because from window is not being touched.");
+ ALOGD("Touch transfer failed because from window is not being touched.");
+ return false;
+ }
+ std::set<int32_t> deviceIds = touchedWindow->getTouchingDeviceIds();
+ if (deviceIds.size() != 1) {
+ LOG(DEBUG) << "Can't transfer touch. Currently touching devices: " << dumpSet(deviceIds)
+ << " for window: " << touchedWindow->dump();
return false;
}
+ const int32_t deviceId = *deviceIds.begin();
sp<WindowInfoHandle> toWindowHandle = getWindowHandleLocked(toToken, displayId);
if (toWindowHandle == nullptr) {
- ALOGW("Cannot transfer focus because to window not found.");
+ ALOGW("Cannot transfer touch because to window not found.");
return false;
}
@@ -5470,7 +5481,7 @@ bool InputDispatcher::transferTouchFocus(const sp<IBinder>& fromToken, const sp<
// Erase old window.
ftl::Flags<InputTarget::Flags> oldTargetFlags = touchedWindow->targetFlags;
- std::bitset<MAX_POINTER_ID + 1> pointerIds = touchedWindow->pointerIds;
+ std::bitset<MAX_POINTER_ID + 1> pointerIds = touchedWindow->getTouchingPointers(deviceId);
sp<WindowInfoHandle> fromWindowHandle = touchedWindow->windowHandle;
state->removeWindowByToken(fromToken);
@@ -5481,7 +5492,8 @@ bool InputDispatcher::transferTouchFocus(const sp<IBinder>& fromToken, const sp<
if (canReceiveForegroundTouches(*toWindowHandle->getInfo())) {
newTargetFlags |= InputTarget::Flags::FOREGROUND;
}
- state->addOrUpdateWindow(toWindowHandle, newTargetFlags, pointerIds, downTimeInTarget);
+ state->addOrUpdateWindow(toWindowHandle, newTargetFlags, deviceId, pointerIds,
+ downTimeInTarget);
// Store the dragging window.
if (isDragDrop) {
@@ -5500,16 +5512,15 @@ bool InputDispatcher::transferTouchFocus(const sp<IBinder>& fromToken, const sp<
std::shared_ptr<Connection> toConnection = getConnectionLocked(toToken);
if (fromConnection != nullptr && toConnection != nullptr) {
fromConnection->inputState.mergePointerStateTo(toConnection->inputState);
- CancelationOptions
- options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
- "transferring touch focus from this window to another window");
+ CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
+ "transferring touch from this window to another window");
synthesizeCancelationEventsForConnectionLocked(fromConnection, options);
synthesizePointerDownEventsForConnectionLocked(downTimeInTarget, toConnection,
newTargetFlags);
// Check if the wallpaper window should deliver the corresponding event.
transferWallpaperTouch(oldTargetFlags, newTargetFlags, fromWindowHandle, toWindowHandle,
- *state, pointerIds);
+ *state, deviceId, pointerIds);
}
} // release lock
@@ -5993,20 +6004,28 @@ status_t InputDispatcher::pilferPointersLocked(const sp<IBinder>& token) {
}
auto [statePtr, windowPtr, displayId] = findTouchStateWindowAndDisplayLocked(token);
- if (statePtr == nullptr || windowPtr == nullptr || windowPtr->pointerIds.none()) {
+ if (statePtr == nullptr || windowPtr == nullptr) {
ALOGW("Attempted to pilfer points from a channel without any on-going pointer streams."
" Ignoring.");
return BAD_VALUE;
}
+ std::set<int32_t> deviceIds = windowPtr->getTouchingDeviceIds();
+ if (deviceIds.size() != 1) {
+ LOG(WARNING) << "Can't pilfer. Currently touching devices: " << dumpSet(deviceIds)
+ << " in window: " << windowPtr->dump();
+ return BAD_VALUE;
+ }
+ const int32_t deviceId = *deviceIds.begin();
TouchState& state = *statePtr;
TouchedWindow& window = *windowPtr;
// Send cancel events to all the input channels we're stealing from.
CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
"input channel stole pointer stream");
- options.deviceId = state.deviceId;
+ options.deviceId = deviceId;
options.displayId = displayId;
- options.pointerIds = window.pointerIds;
+ std::bitset<MAX_POINTER_ID + 1> pointerIds = window.getTouchingPointers(deviceId);
+ options.pointerIds = pointerIds;
std::string canceledWindows;
for (const TouchedWindow& w : state.windows) {
const std::shared_ptr<InputChannel> channel =
@@ -6023,9 +6042,9 @@ status_t InputDispatcher::pilferPointersLocked(const sp<IBinder>& token) {
// Prevent the gesture from being sent to any other windows.
// This only blocks relevant pointers to be sent to other windows
- window.pilferedPointerIds |= window.pointerIds;
+ window.addPilferingPointers(deviceId, pointerIds);
- state.cancelPointersForWindowsExcept(window.pointerIds, token);
+ state.cancelPointersForWindowsExcept(deviceId, pointerIds, token);
return OK;
}
@@ -6812,7 +6831,7 @@ void InputDispatcher::setMonitorDispatchingTimeoutForTest(std::chrono::nanosecon
void InputDispatcher::slipWallpaperTouch(ftl::Flags<InputTarget::Flags> targetFlags,
const sp<WindowInfoHandle>& oldWindowHandle,
const sp<WindowInfoHandle>& newWindowHandle,
- TouchState& state, int32_t pointerId,
+ TouchState& state, int32_t deviceId, int32_t pointerId,
std::vector<InputTarget>& targets) const {
std::bitset<MAX_POINTER_ID + 1> pointerIds;
pointerIds.set(pointerId);
@@ -6834,8 +6853,8 @@ void InputDispatcher::slipWallpaperTouch(ftl::Flags<InputTarget::Flags> targetFl
addWindowTargetLocked(oldWallpaper,
oldTouchedWindow.targetFlags |
InputTarget::Flags::DISPATCH_AS_SLIPPERY_EXIT,
- pointerIds, oldTouchedWindow.firstDownTimeInTarget, targets);
- state.removeTouchedPointerFromWindow(pointerId, oldWallpaper);
+ pointerIds, oldTouchedWindow.getDownTimeInTarget(deviceId), targets);
+ state.removeTouchingPointerFromWindow(deviceId, pointerId, oldWallpaper);
}
if (newWallpaper != nullptr) {
@@ -6843,7 +6862,7 @@ void InputDispatcher::slipWallpaperTouch(ftl::Flags<InputTarget::Flags> targetFl
InputTarget::Flags::DISPATCH_AS_SLIPPERY_ENTER |
InputTarget::Flags::WINDOW_IS_OBSCURED |
InputTarget::Flags::WINDOW_IS_PARTIALLY_OBSCURED,
- pointerIds);
+ deviceId, pointerIds);
}
}
@@ -6851,7 +6870,7 @@ void InputDispatcher::transferWallpaperTouch(ftl::Flags<InputTarget::Flags> oldT
ftl::Flags<InputTarget::Flags> newTargetFlags,
const sp<WindowInfoHandle> fromWindowHandle,
const sp<WindowInfoHandle> toWindowHandle,
- TouchState& state,
+ TouchState& state, int32_t deviceId,
std::bitset<MAX_POINTER_ID + 1> pointerIds) {
const bool oldHasWallpaper = oldTargetFlags.test(InputTarget::Flags::FOREGROUND) &&
fromWindowHandle->getInfo()->inputConfig.test(
@@ -6881,7 +6900,8 @@ void InputDispatcher::transferWallpaperTouch(ftl::Flags<InputTarget::Flags> oldT
oldTargetFlags & (InputTarget::Flags::SPLIT | InputTarget::Flags::DISPATCH_AS_IS);
wallpaperFlags |= InputTarget::Flags::WINDOW_IS_OBSCURED |
InputTarget::Flags::WINDOW_IS_PARTIALLY_OBSCURED;
- state.addOrUpdateWindow(newWallpaper, wallpaperFlags, pointerIds, downTimeInTarget);
+ state.addOrUpdateWindow(newWallpaper, wallpaperFlags, deviceId, pointerIds,
+ downTimeInTarget);
std::shared_ptr<Connection> wallpaperConnection =
getConnectionLocked(newWallpaper->getToken());
if (wallpaperConnection != nullptr) {
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index cdce49214b..37f569ee97 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -711,14 +711,14 @@ private:
void slipWallpaperTouch(ftl::Flags<InputTarget::Flags> targetFlags,
const sp<android::gui::WindowInfoHandle>& oldWindowHandle,
const sp<android::gui::WindowInfoHandle>& newWindowHandle,
- TouchState& state, int32_t pointerId,
+ TouchState& state, int32_t deviceId, int32_t pointerId,
std::vector<InputTarget>& targets) const REQUIRES(mLock);
void transferWallpaperTouch(ftl::Flags<InputTarget::Flags> oldTargetFlags,
ftl::Flags<InputTarget::Flags> newTargetFlags,
const sp<android::gui::WindowInfoHandle> fromWindowHandle,
const sp<android::gui::WindowInfoHandle> toWindowHandle,
- TouchState& state, std::bitset<MAX_POINTER_ID + 1> pointerIds)
- REQUIRES(mLock);
+ TouchState& state, int32_t deviceId,
+ std::bitset<MAX_POINTER_ID + 1> pointerIds) REQUIRES(mLock);
sp<android::gui::WindowInfoHandle> findWallpaperWindowBelow(
const sp<android::gui::WindowInfoHandle>& windowHandle) const REQUIRES(mLock);
diff --git a/services/inputflinger/dispatcher/TouchState.cpp b/services/inputflinger/dispatcher/TouchState.cpp
index 0a61d48165..ef188c7844 100644
--- a/services/inputflinger/dispatcher/TouchState.cpp
+++ b/services/inputflinger/dispatcher/TouchState.cpp
@@ -31,18 +31,19 @@ void TouchState::reset() {
*this = TouchState();
}
-void TouchState::removeTouchedPointer(int32_t pointerId) {
+void TouchState::removeTouchingPointer(int32_t removedDeviceId, int32_t pointerId) {
for (TouchedWindow& touchedWindow : windows) {
- touchedWindow.removeTouchingPointer(pointerId);
+ touchedWindow.removeTouchingPointer(removedDeviceId, pointerId);
}
clearWindowsWithoutPointers();
}
-void TouchState::removeTouchedPointerFromWindow(
- int32_t pointerId, const sp<android::gui::WindowInfoHandle>& windowHandle) {
+void TouchState::removeTouchingPointerFromWindow(
+ int32_t removedDeviceId, int32_t pointerId,
+ const sp<android::gui::WindowInfoHandle>& windowHandle) {
for (TouchedWindow& touchedWindow : windows) {
if (touchedWindow.windowHandle == windowHandle) {
- touchedWindow.removeTouchingPointer(pointerId);
+ touchedWindow.removeTouchingPointer(removedDeviceId, pointerId);
clearWindowsWithoutPointers();
return;
}
@@ -58,13 +59,14 @@ void TouchState::clearHoveringPointers() {
void TouchState::clearWindowsWithoutPointers() {
std::erase_if(windows, [](const TouchedWindow& w) {
- return w.pointerIds.none() && !w.hasHoveringPointers();
+ return !w.hasTouchingPointers() && !w.hasHoveringPointers();
});
}
void TouchState::addOrUpdateWindow(const sp<WindowInfoHandle>& windowHandle,
ftl::Flags<InputTarget::Flags> targetFlags,
- std::bitset<MAX_POINTER_ID + 1> pointerIds,
+ int32_t addedDeviceId,
+ std::bitset<MAX_POINTER_ID + 1> touchingPointerIds,
std::optional<nsecs_t> firstDownTimeInTarget) {
for (TouchedWindow& touchedWindow : windows) {
// We do not compare windows by token here because two windows that share the same token
@@ -75,11 +77,11 @@ void TouchState::addOrUpdateWindow(const sp<WindowInfoHandle>& windowHandle,
touchedWindow.targetFlags.clear(InputTarget::Flags::DISPATCH_AS_IS);
}
// For cases like hover enter/exit or DISPATCH_AS_OUTSIDE a touch window might not have
- // downTime set initially. Need to update existing window when an pointer is down for
- // the window.
- touchedWindow.pointerIds |= pointerIds;
- if (!touchedWindow.firstDownTimeInTarget.has_value()) {
- touchedWindow.firstDownTimeInTarget = firstDownTimeInTarget;
+ // downTime set initially. Need to update existing window when a pointer is down for the
+ // window.
+ touchedWindow.addTouchingPointers(addedDeviceId, touchingPointerIds);
+ if (firstDownTimeInTarget) {
+ touchedWindow.trySetDownTimeInTarget(addedDeviceId, *firstDownTimeInTarget);
}
return;
}
@@ -87,8 +89,10 @@ void TouchState::addOrUpdateWindow(const sp<WindowInfoHandle>& windowHandle,
TouchedWindow touchedWindow;
touchedWindow.windowHandle = windowHandle;
touchedWindow.targetFlags = targetFlags;
- touchedWindow.pointerIds = pointerIds;
- touchedWindow.firstDownTimeInTarget = firstDownTimeInTarget;
+ touchedWindow.addTouchingPointers(addedDeviceId, touchingPointerIds);
+ if (firstDownTimeInTarget) {
+ touchedWindow.trySetDownTimeInTarget(addedDeviceId, *firstDownTimeInTarget);
+ }
windows.push_back(touchedWindow);
}
@@ -130,12 +134,12 @@ void TouchState::filterNonAsIsTouchWindows() {
}
}
-void TouchState::cancelPointersForWindowsExcept(std::bitset<MAX_POINTER_ID + 1> pointerIds,
+void TouchState::cancelPointersForWindowsExcept(int32_t touchedDeviceId,
+ std::bitset<MAX_POINTER_ID + 1> pointerIds,
const sp<IBinder>& token) {
- if (pointerIds.none()) return;
- std::for_each(windows.begin(), windows.end(), [&pointerIds, &token](TouchedWindow& w) {
+ std::for_each(windows.begin(), windows.end(), [&](TouchedWindow& w) {
if (w.windowHandle->getToken() != token) {
- w.pointerIds &= ~pointerIds;
+ w.removeTouchingPointers(touchedDeviceId, pointerIds);
}
});
clearWindowsWithoutPointers();
@@ -149,24 +153,29 @@ void TouchState::cancelPointersForWindowsExcept(std::bitset<MAX_POINTER_ID + 1>
*/
void TouchState::cancelPointersForNonPilferingWindows() {
// First, find all pointers that are being pilfered, across all windows
- std::bitset<MAX_POINTER_ID + 1> allPilferedPointerIds;
- std::for_each(windows.begin(), windows.end(), [&allPilferedPointerIds](const TouchedWindow& w) {
- allPilferedPointerIds |= w.pilferedPointerIds;
- });
+ std::map<int32_t /*deviceId*/, std::bitset<MAX_POINTER_ID + 1>> allPilferedPointerIdsByDevice;
+ for (const TouchedWindow& w : windows) {
+ for (const auto& [iterDeviceId, pilferedPointerIds] : w.getPilferingPointers()) {
+ allPilferedPointerIdsByDevice[iterDeviceId] |= pilferedPointerIds;
+ }
+ };
// Optimization: most of the time, pilfering does not occur
- if (allPilferedPointerIds.none()) return;
+ if (allPilferedPointerIdsByDevice.empty()) return;
// Now, remove all pointers from every window that's being pilfered by other windows.
// For example, if window A is pilfering pointer 1 (only), and window B is pilfering pointer 2
// (only), the remove pointer 2 from window A and pointer 1 from window B. Usually, the set of
// pilfered pointers will be disjoint across all windows, but there's no reason to cause that
// limitation here.
- std::for_each(windows.begin(), windows.end(), [&allPilferedPointerIds](TouchedWindow& w) {
- std::bitset<MAX_POINTER_ID + 1> pilferedByOtherWindows =
- w.pilferedPointerIds ^ allPilferedPointerIds;
- w.pointerIds &= ~pilferedByOtherWindows;
- });
+ for (const auto& [iterDeviceId, allPilferedPointerIds] : allPilferedPointerIdsByDevice) {
+ std::for_each(windows.begin(), windows.end(), [&](TouchedWindow& w) {
+ std::bitset<MAX_POINTER_ID + 1> pilferedByOtherWindows =
+ w.getPilferingPointers(iterDeviceId) ^ allPilferedPointerIds;
+ // Remove all pointers pilfered by other windows
+ w.removeTouchingPointers(iterDeviceId, pilferedByOtherWindows);
+ });
+ }
clearWindowsWithoutPointers();
}
@@ -216,7 +225,7 @@ const TouchedWindow& TouchState::getTouchedWindow(const sp<WindowInfoHandle>& wi
bool TouchState::isDown() const {
return std::any_of(windows.begin(), windows.end(),
- [](const TouchedWindow& window) { return window.pointerIds.any(); });
+ [](const TouchedWindow& window) { return window.hasTouchingPointers(); });
}
bool TouchState::hasHoveringPointers() const {
@@ -245,12 +254,9 @@ void TouchState::removeHoveringPointer(int32_t hoveringDeviceId, int32_t hoverin
void TouchState::removeAllPointersForDevice(int32_t removedDeviceId) {
for (TouchedWindow& window : windows) {
window.removeAllHoveringPointersForDevice(removedDeviceId);
+ window.removeAllTouchingPointersForDevice(removedDeviceId);
}
- if (deviceId == removedDeviceId) {
- for (TouchedWindow& window : windows) {
- window.removeAllTouchingPointers();
- }
- }
+
clearWindowsWithoutPointers();
}
diff --git a/services/inputflinger/dispatcher/TouchState.h b/services/inputflinger/dispatcher/TouchState.h
index 15b840f125..a2a9f75ef5 100644
--- a/services/inputflinger/dispatcher/TouchState.h
+++ b/services/inputflinger/dispatcher/TouchState.h
@@ -43,24 +43,25 @@ struct TouchState {
void reset();
void clearWindowsWithoutPointers();
- void removeTouchedPointer(int32_t pointerId);
- void removeTouchedPointerFromWindow(int32_t pointerId,
- const sp<android::gui::WindowInfoHandle>& windowHandle);
+ void removeTouchingPointer(int32_t deviceId, int32_t pointerId);
+ void removeTouchingPointerFromWindow(int32_t deviceId, int32_t pointerId,
+ const sp<android::gui::WindowInfoHandle>& windowHandle);
void addOrUpdateWindow(const sp<android::gui::WindowInfoHandle>& windowHandle,
- ftl::Flags<InputTarget::Flags> targetFlags,
- std::bitset<MAX_POINTER_ID + 1> pointerIds,
+ ftl::Flags<InputTarget::Flags> targetFlags, int32_t deviceId,
+ std::bitset<MAX_POINTER_ID + 1> touchingPointerIds,
std::optional<nsecs_t> firstDownTimeInTarget = std::nullopt);
void addHoveringPointerToWindow(const sp<android::gui::WindowInfoHandle>& windowHandle,
int32_t deviceId, int32_t hoveringPointerId);
void removeHoveringPointer(int32_t deviceId, int32_t hoveringPointerId);
void clearHoveringPointers();
- void removeAllPointersForDevice(int32_t removedDeviceId);
+ void removeAllPointersForDevice(int32_t deviceId);
void removeWindowByToken(const sp<IBinder>& token);
void filterNonAsIsTouchWindows();
// Cancel pointers for current set of windows except the window with particular binder token.
- void cancelPointersForWindowsExcept(std::bitset<MAX_POINTER_ID + 1> pointerIds,
+ void cancelPointersForWindowsExcept(int32_t deviceId,
+ std::bitset<MAX_POINTER_ID + 1> pointerIds,
const sp<IBinder>& token);
// Cancel pointers for current set of non-pilfering windows i.e. windows with isPilferingWindow
// set to false.
diff --git a/services/inputflinger/dispatcher/TouchedWindow.cpp b/services/inputflinger/dispatcher/TouchedWindow.cpp
index d55d657667..6ab97f8ea5 100644
--- a/services/inputflinger/dispatcher/TouchedWindow.cpp
+++ b/services/inputflinger/dispatcher/TouchedWindow.cpp
@@ -16,6 +16,7 @@
#include "TouchedWindow.h"
+#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include <input/PrintTools.h>
@@ -26,67 +27,228 @@ namespace android {
namespace inputdispatcher {
bool TouchedWindow::hasHoveringPointers() const {
- return !mHoveringPointerIdsByDevice.empty();
+ for (const auto& [_, state] : mDeviceStates) {
+ if (state.hoveringPointerIds.any()) {
+ return true;
+ }
+ }
+ return false;
}
bool TouchedWindow::hasHoveringPointers(int32_t deviceId) const {
- return mHoveringPointerIdsByDevice.find(deviceId) != mHoveringPointerIdsByDevice.end();
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
+ return false;
+ }
+ const DeviceState& state = stateIt->second;
+
+ return state.hoveringPointerIds.any();
}
void TouchedWindow::clearHoveringPointers() {
- mHoveringPointerIdsByDevice.clear();
+ for (auto& [_, state] : mDeviceStates) {
+ state.hoveringPointerIds.reset();
+ }
+
+ std::erase_if(mDeviceStates, [](const auto& pair) { return !pair.second.hasPointers(); });
}
bool TouchedWindow::hasHoveringPointer(int32_t deviceId, int32_t pointerId) const {
- auto it = mHoveringPointerIdsByDevice.find(deviceId);
- if (it == mHoveringPointerIdsByDevice.end()) {
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
return false;
}
- return it->second.test(pointerId);
+ const DeviceState& state = stateIt->second;
+
+ return state.hoveringPointerIds.test(pointerId);
}
void TouchedWindow::addHoveringPointer(int32_t deviceId, int32_t pointerId) {
- const auto [it, _] = mHoveringPointerIdsByDevice.insert({deviceId, {}});
- it->second.set(pointerId);
+ mDeviceStates[deviceId].hoveringPointerIds.set(pointerId);
+}
+
+void TouchedWindow::addTouchingPointer(int32_t deviceId, int32_t pointerId) {
+ mDeviceStates[deviceId].touchingPointerIds.set(pointerId);
}
-void TouchedWindow::removeTouchingPointer(int32_t pointerId) {
- pointerIds.reset(pointerId);
- pilferedPointerIds.reset(pointerId);
- if (pointerIds.none()) {
- firstDownTimeInTarget.reset();
+void TouchedWindow::addTouchingPointers(int32_t deviceId,
+ std::bitset<MAX_POINTER_ID + 1> pointers) {
+ mDeviceStates[deviceId].touchingPointerIds |= pointers;
+}
+
+bool TouchedWindow::hasTouchingPointers() const {
+ for (const auto& [_, state] : mDeviceStates) {
+ if (state.touchingPointerIds.any()) {
+ return true;
+ }
}
+ return false;
}
-void TouchedWindow::removeAllTouchingPointers() {
- pointerIds.reset();
+bool TouchedWindow::hasTouchingPointers(int32_t deviceId) const {
+ return getTouchingPointers(deviceId).any();
+}
+
+bool TouchedWindow::hasTouchingPointer(int32_t deviceId, int32_t pointerId) const {
+ return getTouchingPointers(deviceId).test(pointerId);
+}
+
+std::bitset<MAX_POINTER_ID + 1> TouchedWindow::getTouchingPointers(int32_t deviceId) const {
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
+ return {};
+ }
+ const DeviceState& state = stateIt->second;
+
+ return state.touchingPointerIds;
+}
+
+void TouchedWindow::removeTouchingPointer(int32_t deviceId, int32_t pointerId) {
+ std::bitset<MAX_POINTER_ID + 1> pointerIds;
+ pointerIds.set(pointerId, true);
+
+ removeTouchingPointers(deviceId, pointerIds);
+}
+
+void TouchedWindow::removeTouchingPointers(int32_t deviceId,
+ std::bitset<MAX_POINTER_ID + 1> pointers) {
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
+ return;
+ }
+ DeviceState& state = stateIt->second;
+
+ state.touchingPointerIds &= ~pointers;
+ state.pilferingPointerIds &= ~pointers;
+
+ if (!state.hasPointers()) {
+ mDeviceStates.erase(stateIt);
+ }
+}
+
+std::set<int32_t> TouchedWindow::getTouchingDeviceIds() const {
+ std::set<int32_t> deviceIds;
+ for (const auto& [deviceId, _] : mDeviceStates) {
+ deviceIds.insert(deviceId);
+ }
+ return deviceIds;
+}
+
+bool TouchedWindow::hasPilferingPointers(int32_t deviceId) const {
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
+ return false;
+ }
+ const DeviceState& state = stateIt->second;
+
+ return state.pilferingPointerIds.any();
+}
+
+void TouchedWindow::addPilferingPointers(int32_t deviceId,
+ std::bitset<MAX_POINTER_ID + 1> pointerIds) {
+ mDeviceStates[deviceId].pilferingPointerIds |= pointerIds;
+}
+
+void TouchedWindow::addPilferingPointer(int32_t deviceId, int32_t pointerId) {
+ mDeviceStates[deviceId].pilferingPointerIds.set(pointerId);
+}
+
+std::bitset<MAX_POINTER_ID + 1> TouchedWindow::getPilferingPointers(int32_t deviceId) const {
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
+ return {};
+ }
+ const DeviceState& state = stateIt->second;
+
+ return state.pilferingPointerIds;
+}
+
+std::map<int32_t, std::bitset<MAX_POINTER_ID + 1>> TouchedWindow::getPilferingPointers() const {
+ std::map<int32_t, std::bitset<MAX_POINTER_ID + 1>> out;
+ for (const auto& [deviceId, state] : mDeviceStates) {
+ out.emplace(deviceId, state.pilferingPointerIds);
+ }
+ return out;
+}
+
+std::optional<nsecs_t> TouchedWindow::getDownTimeInTarget(int32_t deviceId) const {
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
+ return {};
+ }
+ const DeviceState& state = stateIt->second;
+ return state.downTimeInTarget;
+}
+
+void TouchedWindow::trySetDownTimeInTarget(int32_t deviceId, nsecs_t downTime) {
+ auto [stateIt, _] = mDeviceStates.try_emplace(deviceId);
+ DeviceState& state = stateIt->second;
+
+ if (!state.downTimeInTarget) {
+ state.downTimeInTarget = downTime;
+ }
+}
+
+void TouchedWindow::removeAllTouchingPointersForDevice(int32_t deviceId) {
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
+ return;
+ }
+ DeviceState& state = stateIt->second;
+
+ state.touchingPointerIds.reset();
+ state.pilferingPointerIds.reset();
+ state.downTimeInTarget.reset();
+
+ if (!state.hasPointers()) {
+ mDeviceStates.erase(stateIt);
+ }
}
void TouchedWindow::removeHoveringPointer(int32_t deviceId, int32_t pointerId) {
- const auto it = mHoveringPointerIdsByDevice.find(deviceId);
- if (it == mHoveringPointerIdsByDevice.end()) {
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
return;
}
- it->second.set(pointerId, false);
+ DeviceState& state = stateIt->second;
- if (it->second.none()) {
- mHoveringPointerIdsByDevice.erase(deviceId);
+ state.hoveringPointerIds.set(pointerId, false);
+
+ if (!state.hasPointers()) {
+ mDeviceStates.erase(stateIt);
}
}
void TouchedWindow::removeAllHoveringPointersForDevice(int32_t deviceId) {
- mHoveringPointerIdsByDevice.erase(deviceId);
+ const auto stateIt = mDeviceStates.find(deviceId);
+ if (stateIt == mDeviceStates.end()) {
+ return;
+ }
+ DeviceState& state = stateIt->second;
+
+ state.hoveringPointerIds.reset();
+
+ if (!state.hasPointers()) {
+ mDeviceStates.erase(stateIt);
+ }
+}
+
+std::string TouchedWindow::deviceStateToString(const TouchedWindow::DeviceState& state) {
+ return StringPrintf("[touchingPointerIds=%s, "
+ "downTimeInTarget=%s, hoveringPointerIds=%s, pilferingPointerIds=%s]",
+ bitsetToString(state.touchingPointerIds).c_str(),
+ toString(state.downTimeInTarget).c_str(),
+ bitsetToString(state.hoveringPointerIds).c_str(),
+ bitsetToString(state.pilferingPointerIds).c_str());
}
std::string TouchedWindow::dump() const {
std::string out;
- std::string hoveringPointers =
- dumpMap(mHoveringPointerIdsByDevice, constToString, bitsetToString);
- out += StringPrintf("name='%s', pointerIds=%s, targetFlags=%s, firstDownTimeInTarget=%s, "
- "mHoveringPointerIdsByDevice=%s, pilferedPointerIds=%s\n",
- windowHandle->getName().c_str(), bitsetToString(pointerIds).c_str(),
- targetFlags.string().c_str(), toString(firstDownTimeInTarget).c_str(),
- hoveringPointers.c_str(), bitsetToString(pilferedPointerIds).c_str());
+ std::string deviceStates =
+ dumpMap(mDeviceStates, constToString, TouchedWindow::deviceStateToString);
+ out += StringPrintf("name='%s', targetFlags=%s, mDeviceStates=%s\n",
+ windowHandle->getName().c_str(), targetFlags.string().c_str(),
+ deviceStates.c_str());
return out;
}
diff --git a/services/inputflinger/dispatcher/TouchedWindow.h b/services/inputflinger/dispatcher/TouchedWindow.h
index 43e716973c..e50ede50b6 100644
--- a/services/inputflinger/dispatcher/TouchedWindow.h
+++ b/services/inputflinger/dispatcher/TouchedWindow.h
@@ -20,6 +20,7 @@
#include <input/Input.h>
#include <utils/BitSet.h>
#include <bitset>
+#include <set>
#include "InputTarget.h"
namespace android {
@@ -30,28 +31,62 @@ namespace inputdispatcher {
struct TouchedWindow {
sp<gui::WindowInfoHandle> windowHandle;
ftl::Flags<InputTarget::Flags> targetFlags;
- std::bitset<MAX_POINTER_ID + 1> pointerIds;
- // The pointer ids of the pointers that this window is currently pilfering
- std::bitset<MAX_POINTER_ID + 1> pilferedPointerIds;
- // Time at which the first action down occurred on this window.
- // NOTE: This is not initialized in case of HOVER entry/exit and DISPATCH_AS_OUTSIDE scenario.
- std::optional<nsecs_t> firstDownTimeInTarget;
+ // Hovering
bool hasHoveringPointers() const;
bool hasHoveringPointers(int32_t deviceId) const;
-
bool hasHoveringPointer(int32_t deviceId, int32_t pointerId) const;
void addHoveringPointer(int32_t deviceId, int32_t pointerId);
void removeHoveringPointer(int32_t deviceId, int32_t pointerId);
- void removeTouchingPointer(int32_t pointerId);
- void removeAllTouchingPointers();
+ // Touching
+ bool hasTouchingPointer(int32_t deviceId, int32_t pointerId) const;
+ bool hasTouchingPointers() const;
+ bool hasTouchingPointers(int32_t deviceId) const;
+ std::bitset<MAX_POINTER_ID + 1> getTouchingPointers(int32_t deviceId) const;
+ void addTouchingPointer(int32_t deviceId, int32_t pointerId);
+ void addTouchingPointers(int32_t deviceId, std::bitset<MAX_POINTER_ID + 1> pointers);
+ void removeTouchingPointer(int32_t deviceId, int32_t pointerId);
+ void removeTouchingPointers(int32_t deviceId, std::bitset<MAX_POINTER_ID + 1> pointers);
+ /**
+ * Get the currently active touching device id. If there isn't exactly 1 touching device, return
+ * nullopt.
+ */
+ std::set<int32_t> getTouchingDeviceIds() const;
+
+ // Pilfering pointers
+ bool hasPilferingPointers(int32_t deviceId) const;
+ void addPilferingPointers(int32_t deviceId, std::bitset<MAX_POINTER_ID + 1> pointerIds);
+ void addPilferingPointer(int32_t deviceId, int32_t pointerId);
+ std::bitset<MAX_POINTER_ID + 1> getPilferingPointers(int32_t deviceId) const;
+ std::map<int32_t, std::bitset<MAX_POINTER_ID + 1>> getPilferingPointers() const;
+
+ // Down time
+ std::optional<nsecs_t> getDownTimeInTarget(int32_t deviceId) const;
+ void trySetDownTimeInTarget(int32_t deviceId, nsecs_t downTime);
+
+ void removeAllTouchingPointersForDevice(int32_t deviceId);
void removeAllHoveringPointersForDevice(int32_t deviceId);
void clearHoveringPointers();
std::string dump() const;
private:
- std::map<int32_t /*deviceId*/, std::bitset<MAX_POINTER_ID + 1>> mHoveringPointerIdsByDevice;
+ struct DeviceState {
+ std::bitset<MAX_POINTER_ID + 1> touchingPointerIds;
+ // The pointer ids of the pointers that this window is currently pilfering, by device
+ std::bitset<MAX_POINTER_ID + 1> pilferingPointerIds;
+ // Time at which the first action down occurred on this window, for each device
+ // NOTE: This is not initialized in case of HOVER entry/exit and DISPATCH_AS_OUTSIDE
+ // scenario.
+ std::optional<nsecs_t> downTimeInTarget;
+ std::bitset<MAX_POINTER_ID + 1> hoveringPointerIds;
+
+ bool hasPointers() const { return touchingPointerIds.any() || hoveringPointerIds.any(); };
+ };
+
+ std::map<int32_t /*deviceId*/, DeviceState> mDeviceStates;
+
+ static std::string deviceStateToString(const TouchedWindow::DeviceState& state);
};
} // namespace inputdispatcher
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 12:43:49 +0000