Support fallback action if unhandled key event (d6b1098e) · Commits · e / os / android_frameworks_base

core/java/android/view/ViewRootImpl.java

+28 −0

Original line number	Diff line number	Diff line
		@@ -59,6 +59,7 @@ import android.util.EventLog;
		import android.util.Log;
		import android.util.Slog;
		import android.util.TypedValue;
		import android.view.KeyCharacterMap.FallbackAction;
		import android.view.View.AttachInfo;
		import android.view.View.MeasureSpec;
		import android.view.accessibility.AccessibilityEvent;
		@@ -323,6 +324,8 @@ public final class ViewRootImpl implements ViewParent,

		private final int mDensity;

		final KeyCharacterMap.FallbackAction mFallbackAction = new KeyCharacterMap.FallbackAction();

		/**
		* Consistency verifier for debugging purposes.
		*/
		@@ -4383,6 +4386,31 @@ public final class ViewRootImpl implements ViewParent,
		mHandler.sendMessage(msg);
		}

		public void dispatchUnhandledKey(KeyEvent event) {
		if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
		final KeyCharacterMap kcm = event.getKeyCharacterMap();
		final int keyCode = event.getKeyCode();
		final int metaState = event.getMetaState();

		KeyEvent fallbackEvent = null;
		synchronized (mFallbackAction) {
		// Check for fallback actions specified by the key character map.
		if (kcm.getFallbackAction(keyCode, metaState, mFallbackAction)) {
		int flags = event.getFlags() \| KeyEvent.FLAG_FALLBACK;
		fallbackEvent = KeyEvent.obtain(
		event.getDownTime(), event.getEventTime(),
		event.getAction(), mFallbackAction.keyCode,
		event.getRepeatCount(), mFallbackAction.metaState,
		event.getDeviceId(), event.getScanCode(),
		flags, event.getSource(), null);
		}
		}
		if (fallbackEvent != null) {
		dispatchKey(fallbackEvent);
		}
		}
		}

		public void dispatchAppVisibility(boolean visible) {
		Message msg = mHandler.obtainMessage(MSG_DISPATCH_APP_VISIBILITY);
		msg.arg1 = visible ? 1 : 0;

core/java/android/webkit/WebViewClient.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import android.graphics.Bitmap;
		import android.net.http.SslError;
		import android.os.Message;
		import android.view.KeyEvent;
		import android.view.ViewRootImpl;

		public class WebViewClient {

		@@ -273,6 +274,10 @@ public class WebViewClient {
		* @param event The key event.
		*/
		public void onUnhandledKeyEvent(WebView view, KeyEvent event) {
		ViewRootImpl root = view.getViewRootImpl();
		if (root != null) {
		root.dispatchUnhandledKey(event);
		}
		}

		/**