Support complex characters in plugins.

Complex characters like chinese are sent via the onKeyMultiple()
callback. The WebView passes these characters to Webkit so that
non-text inputs (e.g. plugins) can process them.

Change-Id: I159c4a404c195b60cc7f63ef4bff0aa80db96c3f
http://b/2900114

2 files changed, 23 insertions, 3 deletions

diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java
index 37f1f68..d1b0902 100644
--- a/core/java/android/webkit/WebView.java
+++ b/core/java/android/webkit/WebView.java
@@ -3762,6 +3762,19 @@ public class WebView extends AbsoluteLayout
     private boolean mGotCenterDown = false;
 
     @Override
+    public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) {
+        // send complex characters to webkit for use by JS and plugins
+        if (keyCode == KeyEvent.KEYCODE_UNKNOWN && event.getCharacters() != null) {
+            // pass the key to DOM
+            mWebViewCore.sendMessage(EventHub.KEY_DOWN, event);
+            mWebViewCore.sendMessage(EventHub.KEY_UP, event);
+            // return true as DOM handles the key
+            return true;
+        }
+        return false;
+    }
+
+    @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
         if (DebugFlags.WEB_VIEW) {
             Log.v(LOGTAG, "keyDown at " + System.currentTimeMillis()
diff --git a/core/java/android/webkit/WebViewCore.java b/core/java/android/webkit/WebViewCore.java
index 21af570..3c28c94 100644
--- a/core/java/android/webkit/WebViewCore.java
+++ b/core/java/android/webkit/WebViewCore.java
@@ -1627,9 +1627,16 @@ final class WebViewCore {
                     + evt);
         }
         int keyCode = evt.getKeyCode();
-        if (!nativeKey(keyCode, evt.getUnicodeChar(),
-                evt.getRepeatCount(), evt.isShiftPressed(), evt.isAltPressed(),
-                evt.isSymPressed(),
+        int unicodeChar = evt.getUnicodeChar();
+
+        if (keyCode == KeyEvent.KEYCODE_UNKNOWN && evt.getCharacters() != null
+                && evt.getCharacters().length() > 0) {
+            // we should only receive individual complex characters
+            unicodeChar = evt.getCharacters().codePointAt(0);
+        }
+
+        if (!nativeKey(keyCode, unicodeChar, evt.getRepeatCount(), evt.isShiftPressed(),
+                evt.isAltPressed(), evt.isSymPressed(),
                 isDown) && keyCode != KeyEvent.KEYCODE_ENTER) {
             if (keyCode >= KeyEvent.KEYCODE_DPAD_UP
                     && keyCode <= KeyEvent.KEYCODE_DPAD_RIGHT) {