Revert "Add system accelerators for BACK and HOME."

This reverts commit 278b525d25b852554015ec4f92862f9297b502fd.

2 files changed, 2 insertions, 56 deletions

diff --git a/services/inputflinger/InputDispatcher.cpp b/services/inputflinger/InputDispatcher.cpp
index 8c16fad..a750a3d 100644
--- a/services/inputflinger/InputDispatcher.cpp
+++ b/services/inputflinger/InputDispatcher.cpp
@@ -2366,36 +2366,9 @@ void InputDispatcher::notifyKey(const NotifyKeyArgs* args) {
 
     policyFlags |= POLICY_FLAG_TRUSTED;
 
-    int32_t keyCode = args->keyCode;
-    if (metaState & AMETA_META_ON && args->action == AKEY_EVENT_ACTION_DOWN) {
-        int32_t newKeyCode = AKEYCODE_UNKNOWN;
-        if (keyCode == AKEYCODE_DEL) {
-            newKeyCode = AKEYCODE_BACK;
-        } else if (keyCode == AKEYCODE_ENTER) {
-            newKeyCode = AKEYCODE_HOME;
-        }
-        if (newKeyCode != AKEYCODE_UNKNOWN) {
-            AutoMutex _l(mLock);
-            struct KeyReplacement replacement = {keyCode, args->deviceId};
-            mReplacedKeys.add(replacement, newKeyCode);
-            keyCode = newKeyCode;
-            metaState &= ~AMETA_META_ON;
-        }
-    } else if (args->action == AKEY_EVENT_ACTION_UP) {
-        // In order to maintain a consistent stream of up and down events, check to see if the key
-        // going up is one we've replaced in a down event and haven't yet replaced in an up event,
-        // even if the modifier was released between the down and the up events.
-        AutoMutex _l(mLock);
-        struct KeyReplacement replacement = {keyCode, args->deviceId};
-        ssize_t index = mReplacedKeys.indexOfKey(replacement);
-        keyCode = mReplacedKeys.valueAt(index);
-        mReplacedKeys.removeItemsAt(index);
-        metaState &= ~AMETA_META_ON;
-    }
-
     KeyEvent event;
     event.initialize(args->deviceId, args->source, args->action,
-            flags, keyCode, args->scanCode, metaState, 0,
+            flags, args->keyCode, args->scanCode, metaState, 0,
             args->downTime, args->eventTime);
 
     mPolicy->interceptKeyBeforeQueueing(&event, /*byref*/ policyFlags);
@@ -2418,7 +2391,7 @@ void InputDispatcher::notifyKey(const NotifyKeyArgs* args) {
         int32_t repeatCount = 0;
         KeyEntry* newEntry = new KeyEntry(args->eventTime,
                 args->deviceId, args->source, policyFlags,
-                args->action, flags, keyCode, args->scanCode,
+                args->action, flags, args->keyCode, args->scanCode,
                 metaState, repeatCount, args->downTime);
 
         needWake = enqueueInboundEventLocked(newEntry);
@@ -3077,7 +3050,6 @@ void InputDispatcher::resetAndDropEverythingLocked(const char* reason) {
 
     mTouchStatesByDisplay.clear();
     mLastHoverWindowHandle.clear();
-    mReplacedKeys.clear();
 }
 
 void InputDispatcher::logDispatchStateLocked() {
@@ -3216,18 +3188,6 @@ void InputDispatcher::dumpDispatchStateLocked(String8& dump) {
         dump.append(INDENT "InboundQueue: <empty>\n");
     }
 
-    if (!mReplacedKeys.isEmpty()) {
-        dump.append(INDENT "ReplacedKeys:\n");
-        for (size_t i = 0; i < mReplacedKeys.size(); i++) {
-            const KeyReplacement& replacement = mReplacedKeys.keyAt(i);
-            int32_t newKeyCode = mReplacedKeys.valueAt(i);
-            dump.appendFormat(INDENT2 "%zu: originalKeyCode=%d, deviceId=%d, newKeyCode=%d\n",
-                    i, replacement.keyCode, replacement.deviceId, newKeyCode);
-        }
-    } else {
-        dump.append(INDENT "ReplacedKeys: <empty>\n");
-    }
-
     if (!mConnectionsByFd.isEmpty()) {
         dump.append(INDENT "Connections:\n");
         for (size_t i = 0; i < mConnectionsByFd.size(); i++) {
diff --git a/services/inputflinger/InputDispatcher.h b/services/inputflinger/InputDispatcher.h
index 0d15d7b..9439124 100644
--- a/services/inputflinger/InputDispatcher.h
+++ b/services/inputflinger/InputDispatcher.h
@@ -904,20 +904,6 @@ private:
     void resetKeyRepeatLocked();
     KeyEntry* synthesizeKeyRepeatLocked(nsecs_t currentTime);
 
-    // Key replacement tracking
-    struct KeyReplacement {
-        int32_t keyCode;
-        int32_t deviceId;
-        bool operator==(const KeyReplacement& rhs) const {
-            return keyCode == rhs.keyCode && deviceId == rhs.deviceId;
-        }
-        bool operator<(const KeyReplacement& rhs) const {
-            return keyCode != rhs.keyCode ? keyCode < rhs.keyCode : deviceId < rhs.deviceId;
-        }
-    };
-    // Maps the key code replaced, device id tuple to the key code it was replaced with
-    KeyedVector<KeyReplacement, int32_t> mReplacedKeys;
-
     // Deferred command processing.
     bool haveCommandsLocked() const;
     bool runCommandsLockedInterruptible();