Simulate hardware enter/delete events if the app targets < 16

This will make text input buggy on all apps until they target
JB or superior.

Bug: 6537051
Change-Id: I726347db8c84d1582ad1962d3a910e698389e08c
This commit is contained in:
Jean Chalard 2012-05-25 19:56:45 +09:00
parent eb696d288e
commit 4e1a558ee8

View file

@ -45,6 +45,8 @@ import android.text.TextUtils;
import android.util.Log;
import android.util.PrintWriterPrinter;
import android.util.Printer;
import android.view.KeyCharacterMap;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
@ -1224,6 +1226,16 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
}
}
static private void sendUpDownEnterOrBackspace(final int code, final InputConnection ic) {
final long eventTime = SystemClock.uptimeMillis();
ic.sendKeyEvent(new KeyEvent(eventTime, eventTime,
KeyEvent.ACTION_DOWN, code, 0, 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0,
KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE));
ic.sendKeyEvent(new KeyEvent(SystemClock.uptimeMillis(), eventTime,
KeyEvent.ACTION_UP, code, 0, 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0,
KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE));
}
private void sendKeyCodePoint(int code) {
// TODO: Remove this special handling of digit letters.
// For backward compatibility. See {@link InputMethodService#sendKeyChar(char)}.
@ -1234,8 +1246,19 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
final InputConnection ic = getCurrentInputConnection();
if (ic != null) {
// 16 is android.os.Build.VERSION_CODES.JELLY_BEAN but we can't write it because
// we want to be able to compile against the Ice Cream Sandwich SDK.
if (Keyboard.CODE_ENTER == code && mTargetApplicationInfo != null
&& mTargetApplicationInfo.targetSdkVersion < 16) {
// Backward compatibility mode. Before Jelly bean, the keyboard would simulate
// a hardware keyboard event on pressing enter or delete. This is bad for many
// reasons (there are race conditions with commits) but some applications are
// relying on this behavior so we continue to support it for older apps.
sendUpDownEnterOrBackspace(KeyEvent.KEYCODE_ENTER, ic);
} else {
final String text = new String(new int[] { code }, 0, 1);
ic.commitText(text, text.length());
}
if (ProductionFlag.IS_EXPERIMENTAL) {
ResearchLogger.latinIME_sendKeyCodePoint(code);
}
@ -1464,7 +1487,18 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
// This should never happen.
Log.e(TAG, "Backspace when we don't know the selection position");
}
// 16 is android.os.Build.VERSION_CODES.JELLY_BEAN but we can't write it because
// we want to be able to compile against the Ice Cream Sandwich SDK.
if (mTargetApplicationInfo != null
&& mTargetApplicationInfo.targetSdkVersion < 16) {
// Backward compatibility mode. Before Jelly bean, the keyboard would simulate
// a hardware keyboard event on pressing enter or delete. This is bad for many
// reasons (there are race conditions with commits) but some applications are
// relying on this behavior so we continue to support it for older apps.
sendUpDownEnterOrBackspace(KeyEvent.KEYCODE_DEL, ic);
} else {
ic.deleteSurroundingText(1, 0);
}
if (ProductionFlag.IS_EXPERIMENTAL) {
ResearchLogger.latinIME_deleteSurroundingText(1);
}