Remove the web text view if the key cannot be handled

Also add some debugging to WebTextView
Requires companion change in external/webkit

core/java/android/webkit/DebugFlags.java

@@ -42,6 +42,7 @@ class DebugFlags {
     public static final boolean WEB_BACK_FORWARD_LIST = false;
     public static final boolean WEB_SETTINGS = false;
     public static final boolean WEB_SYNC_MANAGER = false;
+    public static final boolean WEB_TEXT_VIEW = false;
     public static final boolean WEB_VIEW = false;
     public static final boolean WEB_VIEW_CORE = false;
 

core/java/android/webkit/WebTextView.java

@@ -24,6 +24,7 @@ import android.text.Selection;
 import android.text.Spannable;
 import android.text.TextUtils;
 import android.text.method.MovementMethod;
+import android.util.Log;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
 import android.view.KeyCharacterMap;
@@ -45,6 +46,8 @@ import java.util.ArrayList;
  */
 /* package */ class WebTextView extends AutoCompleteTextView {
 
+    static final String LOGTAG = "webtextview";
+
     private WebView         mWebView;
     private boolean         mSingle;
     private int             mWidthSpec;
@@ -82,6 +85,7 @@ import java.util.ArrayList;
         setImeOptions(EditorInfo.IME_ACTION_NONE);
         // Allow webkit's drawing to show through
         setWillNotDraw(true);
+        setCursorVisible(false);
     }
 
     @Override
@@ -268,6 +272,10 @@ import java.util.ArrayList;
     @Override
     protected void onSelectionChanged(int selStart, int selEnd) {
         if (mWebView != null) {
+            if (DebugFlags.WEB_TEXT_VIEW) {
+                Log.v(LOGTAG, "onSelectionChanged selStart=" + selStart
+                        + " selEnd=" + selEnd);
+            }
             mWebView.setSelection(selStart, selEnd);
         }
     }
@@ -313,6 +321,10 @@ import java.util.ArrayList;
         } else {
             // This corrects the selection which may have been affected by the
             // trackball or auto-correct.
+            if (DebugFlags.WEB_TEXT_VIEW) {
+                Log.v(LOGTAG, "onTextChanged start=" + start
+                        + " start + before=" + (start + before));
+            }
             mWebView.setSelection(start, start + before);
         }
         if (!cannotUseKeyEvents) {
@@ -542,6 +554,10 @@ import java.util.ArrayList;
         } else if (start > length) {
             start = length;
         }
+        if (DebugFlags.WEB_TEXT_VIEW) {
+            Log.v(LOGTAG, "setText start=" + start
+                    + " end=" + end);
+        }
         Selection.setSelection(span, start, end);
     }
 

core/java/android/webkit/WebView.java

@@ -459,6 +459,8 @@ public class WebView extends AbsoluteLayout
     static final int UPDATE_TEXTFIELD_TEXT_MSG_ID       = 17;
     static final int DID_FIRST_LAYOUT_MSG_ID            = 18;
     static final int MOVE_OUT_OF_PLUGIN                 = 19;
+    static final int CLEAR_TEXT_ENTRY                   = 20;
+
     static final int UPDATE_CLIPBOARD                   = 22;
     static final int LONG_PRESS_CENTER                  = 23;
     static final int PREVENT_TOUCH_ID                   = 24;
@@ -486,7 +488,7 @@ public class WebView extends AbsoluteLayout
         "UPDATE_TEXTFIELD_TEXT_MSG_ID", //   = 17;
         "DID_FIRST_LAYOUT_MSG_ID", //        = 18;
         "MOVE_OUT_OF_PLUGIN", //             = 19;
-        "20",
+        "CLEAR_TEXT_ENTRY", //               = 20;
         "21", //                             = 21;
         "UPDATE_CLIPBOARD", //               = 22;
         "LONG_PRESS_CENTER", //              = 23;
@@ -3108,6 +3110,9 @@ public class WebView extends AbsoluteLayout
             mWebTextView.setInPassword(nativeFocusCandidateIsPassword());
             if (null == text) {
                 mWebTextView.setText("", 0, 0);
+                if (DebugFlags.WEB_VIEW) {
+                    Log.v(LOGTAG, "rebuildWebTextView null == text");
+                }
             } else {
                 // Change to true to enable the old style behavior, where
                 // entering a textfield/textarea always set the selection to the
@@ -3122,8 +3127,14 @@ public class WebView extends AbsoluteLayout
                 } else if (isTextField) {
                     int length = text.length();
                     mWebTextView.setText(text, length, length);
+                    if (DebugFlags.WEB_VIEW) {
+                        Log.v(LOGTAG, "rebuildWebTextView length=" + length);
+                    }
                 } else {
                     mWebTextView.setText(text, 0, 0);
+                    if (DebugFlags.WEB_VIEW) {
+                        Log.v(LOGTAG, "rebuildWebTextView !isTextField");
+                    }
                 }
             }
             mWebTextView.requestFocus();
@@ -4847,6 +4858,9 @@ public class WebView extends AbsoluteLayout
                     }
                     rebuildWebTextView();
                     break;
+                case CLEAR_TEXT_ENTRY:
+                    clearTextEntry();
+                    break;
                 case INVAL_RECT_MSG_ID: {
                     Rect r = (Rect)msg.obj;
                     if (r == null) {

core/java/android/webkit/WebViewCore.java

@@ -720,9 +720,11 @@ final class WebViewCore {
                 @Override
                 public void handleMessage(Message msg) {
                     if (DebugFlags.WEB_VIEW_CORE) {
-                        Log.v(LOGTAG, msg.what < LOAD_URL || msg.what
+                        Log.v(LOGTAG, (msg.what < LOAD_URL || msg.what
                                 > FREE_MEMORY ? Integer.toString(msg.what)
-                                : HandlerDebugString[msg.what - LOAD_URL]);
+                                : HandlerDebugString[msg.what - LOAD_URL])
+                                + " arg1=" + msg.arg1 + " arg2=" + msg.arg2
+                                + " obj=" + msg.obj);
                     }
                     switch (msg.what) {
                         case WEBKIT_DRAW:
@@ -1749,6 +1751,13 @@ final class WebViewCore {
         }
     }
 
+    // called by JNI
+    private void clearTextEntry() {
+        if (mWebView == null) return;
+        Message.obtain(mWebView.mPrivateHandler,
+                WebView.CLEAR_TEXT_ENTRY).sendToTarget();
+    }
+
     // these must be in document space (i.e. not scaled/zoomed).
     private native void nativeSetScrollOffset(int gen, int dx, int dy);