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Bug 815430 - Fix IME status notification handling; r=cpeterson

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This commit is contained in:
Jim Chen 2012-12-05 11:10:33 -05:00
parent 0a92b8105d
commit b9f544bb42
1 changed files with 54 additions and 110 deletions
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164
mobile/android/base/GeckoInputConnection.java
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@ -29,8 +29,6 @@ import android.view.inputmethod.InputMethodManager;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.Timer;
import java.util.TimerTask;
class GeckoInputConnection
extends BaseInputConnection
@ -41,8 +39,6 @@ class GeckoInputConnection
private static final int INLINE_IME_MIN_DISPLAY_SIZE = 480;
private static final Timer mIMETimer = new Timer("GeckoInputConnection Timer");
private static int mIMEState;
private static String mIMETypeHint = "";
private static String mIMEModeHint = "";
@ -172,12 +168,6 @@ class GeckoInputConnection
return extract;
}
private static void postToUiThread(Runnable runnable) {
// postToUiThread() is called by the Gecko and TimerTask threads.
// The UI thread does not need to post Runnables to itself.
GeckoApp.mAppContext.mMainHandler.post(runnable);
}
private static View getView() {
return GeckoApp.mAppContext.getLayerView();
}
@ -191,6 +181,35 @@ class GeckoInputConnection
return InputMethods.getInputMethodManager(context);
}
private static void showSoftInput() {
final InputMethodManager imm = getInputMethodManager();
if (imm != null) {
final View v = getView();
imm.showSoftInput(v, 0);
}
}
private static void hideSoftInput() {
final InputMethodManager imm = getInputMethodManager();
if (imm != null) {
final View v = getView();
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
}
private void restartInput() {
final InputMethodManager imm = getInputMethodManager();
if (imm != null) {
final View v = getView();
final Editable editable = getEditable();
// Fake a selection change, so that when we restart the input,
// the IME will make sure that any old composition string is cleared
notifySelectionChange(Selection.getSelectionStart(editable),
Selection.getSelectionEnd(editable));
imm.restartInput(v);
}
}
public void onTextChange(String text, int start, int oldEnd, int newEnd) {
if (mUpdateRequest == null) {
@ -251,17 +270,6 @@ class GeckoInputConnection
getComposingSpanEnd(editable));
}
protected void resetCompositionState() {
if (mBatchEditCount > 0) {
Log.d(LOGTAG, "resetCompositionState: resetting mBatchEditCount "
+ mBatchEditCount + " -> 0");
mBatchEditCount = 0;
}
removeComposingSpans(getEditable());
mUpdateRequest = null;
}
public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
outAttrs.inputType = InputType.TYPE_CLASS_TEXT;
outAttrs.imeOptions = EditorInfo.IME_ACTION_NONE;
@ -342,7 +350,9 @@ class GeckoInputConnection
}
}
resetCompositionState();
// We don't know the selection
outAttrs.initialSelStart = -1;
outAttrs.initialSelEnd = -1;
return this;
}
@ -450,41 +460,23 @@ class GeckoInputConnection
}
public void notifyIME(final int type, final int state) {
final View v = getView();
if (v == null)
return;
switch (type) {
case NOTIFY_IME_RESETINPUTSTATE:
if (DEBUG) Log.d(LOGTAG, ". . . notifyIME: reset");
resetCompositionState();
// Don't use IMEStateUpdater for reset.
// Because IME may not work showSoftInput()
// after calling restartInput() immediately.
// So we have to call showSoftInput() delay.
InputMethodManager imm = getInputMethodManager();
if (imm == null) {
// no way to reset IME status directly
IMEStateUpdater.resetIME();
} else {
imm.restartInput(v);
}
// keep current enabled state
IMEStateUpdater.enableIME();
break;
case NOTIFY_IME_CANCELCOMPOSITION:
if (DEBUG) Log.d(LOGTAG, ". . . notifyIME: cancel");
removeComposingSpans(getEditable());
// Set composition to empty and end composition
setComposingText("", 0);
// Fall through
case NOTIFY_IME_RESETINPUTSTATE:
// Commit and end composition
finishComposingText();
restartInput();
break;
case NOTIFY_IME_FOCUSCHANGE:
if (DEBUG) Log.d(LOGTAG, ". . . notifyIME: focus");
IMEStateUpdater.resetIME();
// Showing/hiding vkb is done in notifyIMEEnabled
mBatchEditCount = 0;
mUpdateRequest = null;
break;
default:
@ -497,82 +489,34 @@ class GeckoInputConnection
public void notifyIMEEnabled(final int state, final String typeHint,
final String modeHint, final String actionHint) {
// For some input type we will use a widget to display the ui, for those we must not
// For some input type we will use a widget to display the ui, for those we must not
// display the ime. We can display a widget for date and time types and, if the sdk version
// is greater than 11, for datetime/month/week as well.
if (typeHint.equals("date") || typeHint.equals("time") ||
(Build.VERSION.SDK_INT > 10 &&
(typeHint.equals("datetime") || typeHint.equals("month") ||
typeHint.equals("week") || typeHint.equals("datetime-local")))) {
mIMEState = IME_STATE_DISABLED;
return;
}
final View v = getView();
if (v == null)
return;
/* When IME is 'disabled', IME processing is disabled.
In addition, the IME UI is hidden */
mIMEState = state;
mIMETypeHint = (typeHint == null) ? "" : typeHint;
mIMEModeHint = (modeHint == null) ? "" : modeHint;
mIMEActionHint = (actionHint == null) ? "" : actionHint;
IMEStateUpdater.enableIME();
}
/* Delay updating IME states (see bug 573800) */
private static final class IMEStateUpdater extends TimerTask {
private static IMEStateUpdater instance;
private boolean mEnable;
private boolean mReset;
private static IMEStateUpdater getInstance() {
if (instance == null) {
instance = new IMEStateUpdater();
mIMETimer.schedule(instance, 200);
}
return instance;
}
public static synchronized void enableIME() {
getInstance().mEnable = true;
}
public static synchronized void resetIME() {
getInstance().mReset = true;
}
public void run() {
if (DEBUG) Log.d(LOGTAG, "IME: IMEStateUpdater.run()");
synchronized (IMEStateUpdater.class) {
instance = null;
}
// TimerTask.run() is running on a random background thread, so post to UI thread.
postToUiThread(new Runnable() {
public void run() {
final View v = getView();
if (v == null)
return;
final InputMethodManager imm = getInputMethodManager();
if (imm == null)
return;
if (mReset)
imm.restartInput(v);
if (!mEnable)
return;
if (mIMEState != IME_STATE_DISABLED) {
imm.showSoftInput(v, 0);
} else if (imm.isActive(v)) {
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
restartInput();
GeckoApp.mAppContext.mMainHandler.postDelayed(new Runnable() {
public void run() {
if (mIMEState == IME_STATE_DISABLED) {
hideSoftInput();
} else {
showSoftInput();
}
});
}
}
}, 200); // Delay 200ms to prevent repeated IME showing/hiding
}
}