diff options
Diffstat (limited to 'java/src/com/android/inputmethod/latin/LatinKeyboardShiftState.java')
| -rw-r--r-- | java/src/com/android/inputmethod/latin/LatinKeyboardShiftState.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/latin/LatinKeyboardShiftState.java b/java/src/com/android/inputmethod/latin/LatinKeyboardShiftState.java new file mode 100644 index 000000000..e916306c8 --- /dev/null +++ b/java/src/com/android/inputmethod/latin/LatinKeyboardShiftState.java @@ -0,0 +1,89 @@ +package com.android.inputmethod.latin; + +import android.util.Log; + +public class LatinKeyboardShiftState { + private static final String TAG = "LatinKeyboardShiftState"; + private static final boolean DEBUG = KeyboardSwitcher.DEBUG_STATE; + + private static final int NORMAL = 0; + private static final int MANUAL_SHIFTED = 1; + private static final int SHIFT_LOCKED = 2; + private static final int AUTO_SHIFTED = 3; + private static final int SHIFT_LOCK_SHIFTED = 4; + + private int mState = NORMAL; + + public boolean setShifted(boolean newShiftState) { + final int oldState = mState; + if (newShiftState) { + if (oldState == NORMAL || oldState == AUTO_SHIFTED) { + mState = MANUAL_SHIFTED; + } else if (oldState == SHIFT_LOCKED) { + mState = SHIFT_LOCK_SHIFTED; + } + } else { + if (oldState == MANUAL_SHIFTED || oldState == AUTO_SHIFTED) { + mState = NORMAL; + } else if (oldState == SHIFT_LOCK_SHIFTED) { + mState = SHIFT_LOCKED; + } + } + if (DEBUG) + Log.d(TAG, "setShifted(" + newShiftState + "): " + toString(oldState) + " > " + this); + return mState != oldState; + } + + public void setShiftLocked(boolean newShiftLockState) { + final int oldState = mState; + if (newShiftLockState) { + if (oldState == NORMAL || oldState == MANUAL_SHIFTED || oldState == AUTO_SHIFTED) + mState = SHIFT_LOCKED; + } else { + if (oldState == SHIFT_LOCKED || oldState == SHIFT_LOCK_SHIFTED) + mState = NORMAL; + } + if (DEBUG) + Log.d(TAG, "setShiftLocked(" + newShiftLockState + "): " + toString(oldState) + + " > " + this); + } + + public void setAutomaticTemporaryUpperCase() { + final int oldState = mState; + mState = AUTO_SHIFTED; + if (DEBUG) + Log.d(TAG, "setAutomaticTemporaryUpperCase: " + toString(oldState) + " > " + this); + } + + public boolean isShiftedOrShiftLocked() { + return mState != NORMAL; + } + + public boolean isShiftLocked() { + return mState == SHIFT_LOCKED || mState == SHIFT_LOCK_SHIFTED; + } + + public boolean isAutomaticTemporaryUpperCase() { + return mState == AUTO_SHIFTED; + } + + public boolean isManualTemporaryUpperCase() { + return mState == MANUAL_SHIFTED || mState == SHIFT_LOCK_SHIFTED; + } + + @Override + public String toString() { + return toString(mState); + } + + private static String toString(int state) { + switch (state) { + case NORMAL: return "NORMAL"; + case MANUAL_SHIFTED: return "MANUAL_SHIFTED"; + case SHIFT_LOCKED: return "SHIFT_LOCKED"; + case AUTO_SHIFTED: return "AUTO_SHIFTED"; + case SHIFT_LOCK_SHIFTED: return "SHIFT_LOCK_SHIFTED"; + default: return "UKNOWN"; + } + } +}
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