Change InputReader::getInputDevices to return vector of InputDeviceInfo.
Bug: 160010896
Test: atest inputflinger, atest libinput_tests
Change-Id: I27bc4b8b1b632d18658916e167915741117e58d7
diff --git a/services/inputflinger/include/InputReaderBase.h b/services/inputflinger/include/InputReaderBase.h
index 573524e..ffd8bf2 100644
--- a/services/inputflinger/include/InputReaderBase.h
+++ b/services/inputflinger/include/InputReaderBase.h
@@ -78,7 +78,7 @@
*
* This method may be called on any thread (usually by the input manager).
*/
- virtual void getInputDevices(std::vector<InputDeviceInfo>& outInputDevices) = 0;
+ virtual std::vector<InputDeviceInfo> getInputDevices() const = 0;
/* Query current input state. */
virtual int32_t getScanCodeState(int32_t deviceId, uint32_t sourceMask,
diff --git a/services/inputflinger/reader/InputReader.cpp b/services/inputflinger/reader/InputReader.cpp
index 7c96e54..2028b91 100644
--- a/services/inputflinger/reader/InputReader.cpp
+++ b/services/inputflinger/reader/InputReader.cpp
@@ -87,7 +87,6 @@
int32_t oldGeneration;
int32_t timeoutMillis;
bool inputDevicesChanged = false;
- std::vector<InputDeviceInfo> inputDevices;
{ // acquire lock
AutoMutex _l(mLock);
@@ -128,13 +127,12 @@
if (oldGeneration != mGeneration) {
inputDevicesChanged = true;
- getInputDevicesLocked(inputDevices);
}
} // release lock
// Send out a message that the describes the changed input devices.
if (inputDevicesChanged) {
- mPolicy->notifyInputDevicesChanged(inputDevices);
+ mPolicy->notifyInputDevicesChanged(getInputDevicesLocked());
}
// Flush queued events out to the listener.
@@ -474,13 +472,14 @@
return ++mGeneration;
}
-void InputReader::getInputDevices(std::vector<InputDeviceInfo>& outInputDevices) {
+std::vector<InputDeviceInfo> InputReader::getInputDevices() const {
AutoMutex _l(mLock);
- getInputDevicesLocked(outInputDevices);
+ return getInputDevicesLocked();
}
-void InputReader::getInputDevicesLocked(std::vector<InputDeviceInfo>& outInputDevices) {
- outInputDevices.clear();
+std::vector<InputDeviceInfo> InputReader::getInputDevicesLocked() const {
+ std::vector<InputDeviceInfo> outInputDevices;
+ outInputDevices.reserve(mDeviceToEventHubIdsMap.size());
for (const auto& [device, eventHubIds] : mDeviceToEventHubIdsMap) {
if (!device->isIgnored()) {
@@ -489,6 +488,7 @@
outInputDevices.push_back(info);
}
}
+ return outInputDevices;
}
int32_t InputReader::getKeyCodeState(int32_t deviceId, uint32_t sourceMask, int32_t keyCode) {
diff --git a/services/inputflinger/reader/include/InputReader.h b/services/inputflinger/reader/include/InputReader.h
index a902482..563018a 100644
--- a/services/inputflinger/reader/include/InputReader.h
+++ b/services/inputflinger/reader/include/InputReader.h
@@ -61,7 +61,7 @@
status_t start() override;
status_t stop() override;
- void getInputDevices(std::vector<InputDeviceInfo>& outInputDevices) override;
+ std::vector<InputDeviceInfo> getInputDevices() const override;
bool isInputDeviceEnabled(int32_t deviceId) override;
@@ -121,7 +121,7 @@
private:
std::unique_ptr<InputThread> mThread;
- Mutex mLock;
+ mutable Mutex mLock;
Condition mReaderIsAliveCondition;
@@ -181,7 +181,7 @@
int32_t mNextInputDeviceId;
int32_t nextInputDeviceIdLocked();
- void getInputDevicesLocked(std::vector<InputDeviceInfo>& outInputDevices);
+ std::vector<InputDeviceInfo> getInputDevicesLocked() const;
nsecs_t mDisableVirtualKeysTimeout;
void disableVirtualKeysUntilLocked(nsecs_t time);
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 54a36a9..b4d58f6 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -1330,22 +1330,27 @@
}
};
-TEST_F(InputReaderTest, GetInputDevices) {
+TEST_F(InputReaderTest, ReaderGetInputDevices) {
ASSERT_NO_FATAL_FAILURE(addDevice(1, "keyboard", InputDeviceClass::KEYBOARD, nullptr));
ASSERT_NO_FATAL_FAILURE(addDevice(2, "ignored", Flags<InputDeviceClass>(0),
nullptr)); // no classes so device will be ignored
- std::vector<InputDeviceInfo> inputDevices;
- mReader->getInputDevices(inputDevices);
+ const std::vector<InputDeviceInfo> inputDevices = mReader->getInputDevices();
ASSERT_EQ(1U, inputDevices.size());
ASSERT_EQ(END_RESERVED_ID + 1, inputDevices[0].getId());
ASSERT_STREQ("keyboard", inputDevices[0].getIdentifier().name.c_str());
ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, inputDevices[0].getKeyboardType());
ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, inputDevices[0].getSources());
ASSERT_EQ(size_t(0), inputDevices[0].getMotionRanges().size());
+}
+
+TEST_F(InputReaderTest, PolicyGetInputDevices) {
+ ASSERT_NO_FATAL_FAILURE(addDevice(1, "keyboard", InputDeviceClass::KEYBOARD, nullptr));
+ ASSERT_NO_FATAL_FAILURE(addDevice(2, "ignored", Flags<InputDeviceClass>(0),
+ nullptr)); // no classes so device will be ignored
// Should also have received a notification describing the new input devices.
- inputDevices = mFakePolicy->getInputDevices();
+ const std::vector<InputDeviceInfo>& inputDevices = mFakePolicy->getInputDevices();
ASSERT_EQ(1U, inputDevices.size());
ASSERT_EQ(END_RESERVED_ID + 1, inputDevices[0].getId());
ASSERT_STREQ("keyboard", inputDevices[0].getIdentifier().name.c_str());
@@ -1372,9 +1377,7 @@
addDevice(eventHubIds[1], "fake2", InputDeviceClass::KEYBOARD, nullptr));
// Two devices will be merged to one input device as they have same identifier
- std::vector<InputDeviceInfo> inputDevices;
- mReader->getInputDevices(inputDevices);
- ASSERT_EQ(1U, inputDevices.size());
+ ASSERT_EQ(1U, mReader->getInputDevices().size());
}
TEST_F(InputReaderTest, WhenEnabledChanges_SendsDeviceResetNotification) {
@@ -1815,20 +1818,17 @@
ASSERT_EQ(initialNumDevices + 1, mFakePolicy->getInputDevices().size());
// Find the test device by its name.
- std::vector<InputDeviceInfo> inputDevices;
- mReader->getInputDevices(inputDevices);
- InputDeviceInfo* keyboardInfo = nullptr;
- const char* keyboardName = keyboard->getName();
- for (unsigned int i = 0; i < initialNumDevices + 1; i++) {
- if (!strcmp(inputDevices[i].getIdentifier().name.c_str(), keyboardName)) {
- keyboardInfo = &inputDevices[i];
- break;
- }
- }
- ASSERT_NE(keyboardInfo, nullptr);
- ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, keyboardInfo->getKeyboardType());
- ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, keyboardInfo->getSources());
- ASSERT_EQ(0U, keyboardInfo->getMotionRanges().size());
+ const std::vector<InputDeviceInfo> inputDevices = mReader->getInputDevices();
+ const auto& it =
+ std::find_if(inputDevices.begin(), inputDevices.end(),
+ [&keyboard](const InputDeviceInfo& info) {
+ return info.getIdentifier().name == keyboard->getName();
+ });
+
+ ASSERT_NE(it, inputDevices.end());
+ ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, it->getKeyboardType());
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, it->getSources());
+ ASSERT_EQ(0U, it->getMotionRanges().size());
keyboard.reset();
ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());