InputMapper refactor: Configure empty InputDevice
Configure the Device prior to populating mappers for mappers to
receive correct property map
Test: atest inputflinger_tests
Bug: 256009910
Change-Id: I0a7d2bf4d64b3d120d9050e9154b3f3a0f54657a
diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index 49998a0..586d44c 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -67,21 +67,26 @@
}
std::list<NotifyArgs> InputDevice::updateEnableState(nsecs_t when,
- const InputReaderConfiguration& readerConfig) {
- // If the device was explicitly disabled by the user, it would be present in the
- // "disabledDevices" list. This device should be disabled.
- bool enable = readerConfig.disabledDevices.find(mId) == readerConfig.disabledDevices.end();
+ const InputReaderConfiguration& readerConfig,
+ bool forceEnable) {
+ bool enable = forceEnable;
+ if (!forceEnable) {
+ // If the device was explicitly disabled by the user, it would be present in the
+ // "disabledDevices" list. This device should be disabled.
+ enable = readerConfig.disabledDevices.find(mId) == readerConfig.disabledDevices.end();
- // If a device is associated with a specific display but there is no
- // associated DisplayViewport, don't enable the device.
- if (enable && (mAssociatedDisplayPort || mAssociatedDisplayUniqueId) && !mAssociatedViewport) {
- const std::string desc = mAssociatedDisplayPort
- ? "port " + std::to_string(*mAssociatedDisplayPort)
- : "uniqueId " + *mAssociatedDisplayUniqueId;
- ALOGW("Cannot enable input device %s because it is associated "
- "with %s, but the corresponding viewport is not found",
- getName().c_str(), desc.c_str());
- enable = false;
+ // If a device is associated with a specific display but there is no
+ // associated DisplayViewport, don't enable the device.
+ if (enable && (mAssociatedDisplayPort || mAssociatedDisplayUniqueId) &&
+ !mAssociatedViewport) {
+ const std::string desc = mAssociatedDisplayPort
+ ? "port " + std::to_string(*mAssociatedDisplayPort)
+ : "uniqueId " + *mAssociatedDisplayUniqueId;
+ ALOGW("Cannot enable input device %s because it is associated "
+ "with %s, but the corresponding viewport is not found",
+ getName().c_str(), desc.c_str());
+ enable = false;
+ }
}
std::list<NotifyArgs> out;
@@ -168,18 +173,25 @@
mDevices.insert({eventHubId, std::make_pair(std::move(contextPtr), std::move(mappers))});
}
-void InputDevice::addEventHubDevice(int32_t eventHubId,
- const InputReaderConfiguration& readerConfig) {
+[[nodiscard]] std::list<NotifyArgs> InputDevice::addEventHubDevice(
+ nsecs_t when, int32_t eventHubId, const InputReaderConfiguration& readerConfig) {
if (mDevices.find(eventHubId) != mDevices.end()) {
- return;
+ return {};
}
- std::unique_ptr<InputDeviceContext> contextPtr(new InputDeviceContext(*this, eventHubId));
- std::vector<std::unique_ptr<InputMapper>> mappers = createMappers(*contextPtr, readerConfig);
- // insert the context into the devices set
- mDevices.insert({eventHubId, std::make_pair(std::move(contextPtr), std::move(mappers))});
+ // Add an empty device configure and keep it enabled to allow mapper population with correct
+ // configuration/context,
+ // Note: we need to ensure device is kept enabled till mappers are configured
+ // TODO: b/281852638 refactor tests to remove this flag and reliance on the empty device
+ addEmptyEventHubDevice(eventHubId);
+ std::list<NotifyArgs> out = configureInternal(when, readerConfig, {}, /*forceEnable=*/true);
+
+ DevicePair& devicePair = mDevices[eventHubId];
+ devicePair.second = createMappers(*devicePair.first, readerConfig);
+
// Must change generation to flag this device as changed
bumpGeneration();
+ return out;
}
void InputDevice::removeEventHubDevice(int32_t eventHubId) {
@@ -193,6 +205,12 @@
std::list<NotifyArgs> InputDevice::configure(nsecs_t when,
const InputReaderConfiguration& readerConfig,
ConfigurationChanges changes) {
+ return configureInternal(when, readerConfig, changes);
+}
+std::list<NotifyArgs> InputDevice::configureInternal(nsecs_t when,
+ const InputReaderConfiguration& readerConfig,
+ ConfigurationChanges changes,
+ bool forceEnable) {
std::list<NotifyArgs> out;
mSources = 0;
mClasses = ftl::Flags<InputDeviceClass>(0);
@@ -289,24 +307,16 @@
}
}
- if (changes.test(Change::ENABLED_STATE) || changes.test(Change::DISPLAY_INFO)) {
- // Whether a device is enabled can depend on the display association,
- // so update the enabled state when there is a change in display info.
- // NOTE: The first configuration of a mapper must happen with the device enabled.
- // Do not execute this code on the first configure to prevent mappers
- // from being configured with the device disabled.
- out += updateEnableState(when, readerConfig);
- }
-
for_each_mapper([this, when, &readerConfig, changes, &out](InputMapper& mapper) {
out += mapper.reconfigure(when, readerConfig, changes);
mSources |= mapper.getSources();
});
- // If a device is just plugged but it might be disabled, we need to update some info like
- // axis range of touch from each InputMapper first, then disable it.
- if (!changes.any()) {
- out += updateEnableState(when, readerConfig);
+ if (!changes.any() || changes.test(Change::ENABLED_STATE) ||
+ changes.test(Change::DISPLAY_INFO)) {
+ // Whether a device is enabled can depend on the display association,
+ // so update the enabled state when there is a change in display info.
+ out += updateEnableState(when, readerConfig, forceEnable);
}
}
return out;
diff --git a/services/inputflinger/reader/InputReader.cpp b/services/inputflinger/reader/InputReader.cpp
index 7f63355..0aea0b3 100644
--- a/services/inputflinger/reader/InputReader.cpp
+++ b/services/inputflinger/reader/InputReader.cpp
@@ -236,7 +236,7 @@
}
InputDeviceIdentifier identifier = mEventHub->getDeviceIdentifier(eventHubId);
- std::shared_ptr<InputDevice> device = createDeviceLocked(eventHubId, identifier);
+ std::shared_ptr<InputDevice> device = createDeviceLocked(when, eventHubId, identifier);
mPendingArgs += device->configure(when, mConfig, /*changes=*/{});
mPendingArgs += device->reset(when);
@@ -319,7 +319,7 @@
}
std::shared_ptr<InputDevice> InputReader::createDeviceLocked(
- int32_t eventHubId, const InputDeviceIdentifier& identifier) {
+ nsecs_t when, int32_t eventHubId, const InputDeviceIdentifier& identifier) {
auto deviceIt = std::find_if(mDevices.begin(), mDevices.end(), [identifier](auto& devicePair) {
const InputDeviceIdentifier identifier2 =
devicePair.second->getDeviceInfo().getIdentifier();
@@ -334,7 +334,7 @@
device = std::make_shared<InputDevice>(&mContext, deviceId, bumpGenerationLocked(),
identifier);
}
- device->addEventHubDevice(eventHubId, mConfig);
+ mPendingArgs += device->addEventHubDevice(when, eventHubId, mConfig);
return device;
}
diff --git a/services/inputflinger/reader/include/InputDevice.h b/services/inputflinger/reader/include/InputDevice.h
index ec37cdc..31dcb2e 100644
--- a/services/inputflinger/reader/include/InputDevice.h
+++ b/services/inputflinger/reader/include/InputDevice.h
@@ -80,7 +80,8 @@
void dump(std::string& dump, const std::string& eventHubDevStr);
void addEmptyEventHubDevice(int32_t eventHubId);
- void addEventHubDevice(int32_t eventHubId, const InputReaderConfiguration& readerConfig);
+ [[nodiscard]] std::list<NotifyArgs> addEventHubDevice(
+ nsecs_t when, int32_t eventHubId, const InputReaderConfiguration& readerConfig);
void removeEventHubDevice(int32_t eventHubId);
[[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when,
const InputReaderConfiguration& readerConfig,
@@ -205,8 +206,12 @@
std::vector<std::unique_ptr<InputMapper>> createMappers(
InputDeviceContext& contextPtr, const InputReaderConfiguration& readerConfig);
+ [[nodiscard]] std::list<NotifyArgs> configureInternal(
+ nsecs_t when, const InputReaderConfiguration& readerConfig,
+ ConfigurationChanges changes, bool forceEnable = false);
+
[[nodiscard]] std::list<NotifyArgs> updateEnableState(
- nsecs_t when, const InputReaderConfiguration& readerConfig);
+ nsecs_t when, const InputReaderConfiguration& readerConfig, bool forceEnable = false);
PropertyMap mConfiguration;
diff --git a/services/inputflinger/reader/include/InputReader.h b/services/inputflinger/reader/include/InputReader.h
index e21715e..9a297c9 100644
--- a/services/inputflinger/reader/include/InputReader.h
+++ b/services/inputflinger/reader/include/InputReader.h
@@ -121,7 +121,7 @@
protected:
// These members are protected so they can be instrumented by test cases.
- virtual std::shared_ptr<InputDevice> createDeviceLocked(int32_t deviceId,
+ virtual std::shared_ptr<InputDevice> createDeviceLocked(nsecs_t when, int32_t deviceId,
const InputDeviceIdentifier& identifier)
REQUIRES(mLock);
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 9d2aea2..bce0937 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -2835,7 +2835,8 @@
mFakeEventHub->addDevice(TEST_EVENTHUB_ID, "Test EventHub device", InputDeviceClass::BATTERY);
InputDevice device(mReader->getContext(), /*id=*/1, /*generation=*/2, /*identifier=*/{});
- device.addEventHubDevice(TEST_EVENTHUB_ID, mFakePolicy->getReaderConfiguration());
+ auto _ = device.addEventHubDevice(ARBITRARY_TIME, TEST_EVENTHUB_ID,
+ mFakePolicy->getReaderConfiguration());
device.removeEventHubDevice(TEST_EVENTHUB_ID);
std::string dumpStr, eventHubDevStr;
device.dump(dumpStr, eventHubDevStr);
diff --git a/services/inputflinger/tests/InstrumentedInputReader.cpp b/services/inputflinger/tests/InstrumentedInputReader.cpp
index 1f8cd12..110ca5f 100644
--- a/services/inputflinger/tests/InstrumentedInputReader.cpp
+++ b/services/inputflinger/tests/InstrumentedInputReader.cpp
@@ -38,13 +38,13 @@
}
std::shared_ptr<InputDevice> InstrumentedInputReader::createDeviceLocked(
- int32_t eventHubId, const InputDeviceIdentifier& identifier) REQUIRES(mLock) {
+ nsecs_t when, int32_t eventHubId, const InputDeviceIdentifier& identifier) REQUIRES(mLock) {
if (!mNextDevices.empty()) {
std::shared_ptr<InputDevice> device(std::move(mNextDevices.front()));
mNextDevices.pop();
return device;
}
- return InputReader::createDeviceLocked(eventHubId, identifier);
+ return InputReader::createDeviceLocked(when, eventHubId, identifier);
}
} // namespace android
diff --git a/services/inputflinger/tests/InstrumentedInputReader.h b/services/inputflinger/tests/InstrumentedInputReader.h
index fef58ec..ca85558 100644
--- a/services/inputflinger/tests/InstrumentedInputReader.h
+++ b/services/inputflinger/tests/InstrumentedInputReader.h
@@ -44,7 +44,7 @@
protected:
virtual std::shared_ptr<InputDevice> createDeviceLocked(
- int32_t eventHubId, const InputDeviceIdentifier& identifier);
+ nsecs_t when, int32_t eventHubId, const InputDeviceIdentifier& identifier);
class FakeInputReaderContext : public ContextImpl {
public: