commit 763a3a46eecafc5a713f9a0bd4ff08388dc97f98
author Andrii Kulian <akulian@google.com> Tue Mar 08 10:46:16 2016 -0800
committer Andrii Kulian <akulian@google.com> Thu Mar 10 18:54:29 2016 -0800
tree 82907c691cf6ef11304571b6e259d875e86c7aba
parent e177d0619608d3700c9c978c362dbc804a327c46

Caps Lock toggle with Meta + Alt (1/2)

Caps Lock implementation in frameworks/native

Bug: 27482276
Change-Id: I848f660f1dd8d20e49b27f141f612387c7e30c47

services/inputflinger/InputReader.h

diff --git a/services/inputflinger/InputReader.h b/services/inputflinger/InputReader.h
index e554e57..076f3d6 100644
--- a/services/inputflinger/InputReader.h
+++ b/services/inputflinger/InputReader.h
@@ -359,6 +359,9 @@
     virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask,
             int32_t sw) = 0;
 
+    /* Toggle Caps Lock */
+    virtual void toggleCapsLockState(int32_t deviceId) = 0;
+
     /* Determine whether physical keys exist for the given framework-domain key codes. */
     virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
             size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) = 0;
@@ -461,6 +464,8 @@
     virtual int32_t getSwitchState(int32_t deviceId, uint32_t sourceMask,
             int32_t sw);
 
+    virtual void toggleCapsLockState(int32_t deviceId);
+
     virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
             size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags);
 
@@ -616,6 +621,7 @@
     void cancelTouch(nsecs_t when);
 
     int32_t getMetaState();
+    void updateMetaState(int32_t keyCode);
 
     void fadePointer();
 
@@ -1031,6 +1037,7 @@
     virtual void cancelTouch(nsecs_t when);
 
     virtual int32_t getMetaState();
+    virtual void updateMetaState(int32_t keyCode);
 
     virtual void updateExternalStylusState(const StylusState& state);
 
@@ -1116,6 +1123,7 @@
             const int32_t* keyCodes, uint8_t* outFlags);
 
     virtual int32_t getMetaState();
+    virtual void updateMetaState(int32_t keyCode);
 
 private:
     struct KeyDown {
@@ -1156,6 +1164,8 @@
 
     void processKey(nsecs_t when, bool down, int32_t scanCode, int32_t usageCode);
 
+    bool updateMetaStateIfNeeded(int32_t keyCode, bool down);
+
     ssize_t findKeyDown(int32_t scanCode);
 
     void resetLedState();