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Release caps lock by double tap on shift key

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This change is a back port from Master.
Cherry-pick: Ie0cad06c7b1afac0f33af76128303517e9e7bddc

Bug: 3319295
Change-Id: I4bc294161cb8bc4edfdcb1afc0c66b3812667bf3
This commit is contained in:
Tadashi G. Takaoka 2011-04-26 19:49:34 +09:00
parent 0ff8810bff
commit 06f66153be
2 changed files with 31 additions and 5 deletions
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4
java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
View file

@ -496,6 +496,10 @@ 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.

30
java/src/com/android/inputmethod/keyboard/KeyboardView.java
View file

@ -16,10 +16,6 @@
package com.android.inputmethod.keyboard;
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.SubtypeSwitcher;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.res.Resources;
@ -45,11 +41,16 @@ import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup.LayoutParams;
import android.view.WindowManager;
import android.widget.PopupWindow;
import android.widget.TextView;
import com.android.inputmethod.latin.LatinImeLogger;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.SubtypeSwitcher;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.WeakHashMap;
@ -193,6 +194,7 @@ 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;
@ -284,6 +286,16 @@ 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() {
@ -453,6 +465,11 @@ 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())) {
// 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;
}
@ -472,6 +489,11 @@ 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) {