Release caps lock by double tap on shift key

Bug: 3319295
Change-Id: Ie0cad06c7b1afac0f33af76128303517e9e7bddc
This commit is contained in:
Tadashi G. Takaoka 2011-04-26 19:49:34 +09:00
parent 1123bcaf2e
commit e541f03286
2 changed files with 27 additions and 1 deletions

View file

@ -486,6 +486,10 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
} else if (isShiftLocked() && !shiftKeyState.isIgnoring() && !withSliding) {
// Shift has been pressed without chording while caps lock state.
toggleCapsLock();
// To be able to turn off caps lock by "double tap" on shift key, we should ignore
// the second tap of the "double tap" from now for a while because we just have
// already turned off caps lock above.
mInputView.startIgnoringDoubleTap();
} else if (isShiftedOrShiftLocked() && shiftKeyState.isPressingOnShifted()
&& !withSliding) {
// Shift has been pressed without chording while shifted state.

View file

@ -44,6 +44,7 @@ import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
@ -189,6 +190,7 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
private static final int MSG_REPEAT_KEY = 3;
private static final int MSG_LONGPRESS_KEY = 4;
private static final int MSG_LONGPRESS_SHIFT_KEY = 5;
private static final int MSG_IGNORE_DOUBLE_TAP = 6;
private boolean mInKeyRepeat;
@ -286,6 +288,16 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
public void cancelKeyTimers() {
cancelKeyRepeatTimer();
cancelLongPressTimers();
removeMessages(MSG_IGNORE_DOUBLE_TAP);
}
public void startIgnoringDoubleTap() {
sendMessageDelayed(obtainMessage(MSG_IGNORE_DOUBLE_TAP),
ViewConfiguration.getDoubleTapTimeout());
}
public boolean isIgnoringDoubleTap() {
return hasMessages(MSG_IGNORE_DOUBLE_TAP);
}
public void cancelAllMessages() {
@ -449,7 +461,12 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
final PointerTracker tracker = getPointerTracker(id);
// If the second down event is also on shift key.
if (tracker.isOnShiftKey((int)secondDown.getX(), (int)secondDown.getY())) {
onDoubleTapShiftKey(tracker);
// Detected a double tap on shift key. If we are in the ignoring double tap
// mode, it means we have already turned off caps lock in
// {@link KeyboardSwitcher#onReleaseShift} .
final boolean ignoringDoubleTap = mHandler.isIgnoringDoubleTap();
if (!ignoringDoubleTap)
onDoubleTapShiftKey(tracker);
return true;
}
// Otherwise these events should not be handled as double tap.
@ -468,6 +485,11 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
mKeyRepeatInterval = res.getInteger(R.integer.config_key_repeat_interval);
}
public void startIgnoringDoubleTap() {
if (ENABLE_CAPSLOCK_BY_DOUBLETAP)
mHandler.startIgnoringDoubleTap();
}
public void setOnKeyboardActionListener(KeyboardActionListener listener) {
mKeyboardActionListener = listener;
for (PointerTracker tracker : mPointerTrackers) {