Use std::vector when sending keyCodes

We are currently sending a raw pointer to keyCodes and a size. The size
is also used for outFlags, but it's not well-documented anyways.

Eventually, we may want to just return the flags instead of returning
the boolean.

For now, though, just change the incoming parameter to a vector to make
it less errorprone.

Bug: 228005926
Test: atest libinput_tests inputflinger_tests
Change-Id: I6cc2f5d9b3b7b7c3c120a779ea4cfb4b06e27d1e
diff --git a/services/inputflinger/reader/mapper/InputMapper.cpp b/services/inputflinger/reader/mapper/InputMapper.cpp
index 7b185e0..75cebf3 100644
--- a/services/inputflinger/reader/mapper/InputMapper.cpp
+++ b/services/inputflinger/reader/mapper/InputMapper.cpp
@@ -55,8 +55,8 @@
     return AKEYCODE_UNKNOWN;
 }
 
-bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                        const int32_t* keyCodes, uint8_t* outFlags) {
+bool InputMapper::markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                                        uint8_t* outFlags) {
     return false;
 }
 
diff --git a/services/inputflinger/reader/mapper/InputMapper.h b/services/inputflinger/reader/mapper/InputMapper.h
index fce6409..7858728 100644
--- a/services/inputflinger/reader/mapper/InputMapper.h
+++ b/services/inputflinger/reader/mapper/InputMapper.h
@@ -64,8 +64,8 @@
     virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
     virtual int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const;
 
-    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                       const int32_t* keyCodes, uint8_t* outFlags);
+    virtual bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                                       uint8_t* outFlags);
     virtual void vibrate(const VibrationSequence& sequence, ssize_t repeat, int32_t token);
     virtual void cancelVibrate(int32_t token);
     virtual bool isVibrating();
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
index 2ac8178..8eb870f 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
@@ -379,9 +379,10 @@
     return getDeviceContext().getKeyCodeForKeyLocation(locationKeyCode);
 }
 
-bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                                const int32_t* keyCodes, uint8_t* outFlags) {
-    return getDeviceContext().markSupportedKeyCodes(numCodes, keyCodes, outFlags);
+bool KeyboardInputMapper::markSupportedKeyCodes(uint32_t sourceMask,
+                                                const std::vector<int32_t>& keyCodes,
+                                                uint8_t* outFlags) {
+    return getDeviceContext().markSupportedKeyCodes(keyCodes, outFlags);
 }
 
 int32_t KeyboardInputMapper::getMetaState() {
@@ -433,13 +434,12 @@
     mMetaState |= getContext()->getLedMetaState();
 
     constexpr int32_t META_NUM = 3;
-    const std::array<int32_t, META_NUM> keyCodes = {AKEYCODE_CAPS_LOCK, AKEYCODE_NUM_LOCK,
-                                                    AKEYCODE_SCROLL_LOCK};
+    const std::vector<int32_t> keyCodes{AKEYCODE_CAPS_LOCK, AKEYCODE_NUM_LOCK,
+                                        AKEYCODE_SCROLL_LOCK};
     const std::array<int32_t, META_NUM> metaCodes = {AMETA_CAPS_LOCK_ON, AMETA_NUM_LOCK_ON,
                                                      AMETA_SCROLL_LOCK_ON};
     std::array<uint8_t, META_NUM> flags = {0, 0, 0};
-    bool hasKeyLayout =
-            getDeviceContext().markSupportedKeyCodes(META_NUM, keyCodes.data(), flags.data());
+    bool hasKeyLayout = getDeviceContext().markSupportedKeyCodes(keyCodes, flags.data());
     // If the device doesn't have the physical meta key it shouldn't generate the corresponding
     // meta state.
     if (hasKeyLayout) {
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.h b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
index 3787696..0a55def 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.h
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
@@ -36,8 +36,8 @@
 
     virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) override;
     virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
-    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                       const int32_t* keyCodes, uint8_t* outFlags) override;
+    virtual bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
+                                       uint8_t* outFlags) override;
     virtual int32_t getKeyCodeForKeyLocation(int32_t locationKeyCode) const override;
 
     virtual int32_t getMetaState() override;
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index 637b1cb..d6b72ed 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -4021,10 +4021,11 @@
     return AKEY_STATE_UNKNOWN;
 }
 
-bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
-                                             const int32_t* keyCodes, uint8_t* outFlags) {
+bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask,
+                                             const std::vector<int32_t>& keyCodes,
+                                             uint8_t* outFlags) {
     for (const VirtualKey& virtualKey : mVirtualKeys) {
-        for (size_t i = 0; i < numCodes; i++) {
+        for (size_t i = 0; i < keyCodes.size(); i++) {
             if (virtualKey.keyCode == keyCodes[i]) {
                 outFlags[i] = 1;
             }
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.h b/services/inputflinger/reader/mapper/TouchInputMapper.h
index c948f56..714ad3f 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.h
@@ -147,7 +147,7 @@
 
     int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) override;
     int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override;
-    bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes, const int32_t* keyCodes,
+    bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes,
                                uint8_t* outFlags) override;
 
     void cancelTouch(nsecs_t when, nsecs_t readTime) override;