Generate and use cross frame wrappers for types in other frames/windows.

lib/html/frog/html_frog.dart

Index: lib/html/frog/html_frog.dart
diff --git a/lib/html/frog/html_frog.dart b/lib/html/frog/html_frog.dart
index 6cf802fd42b3c0f55e5773d1556f4dbde23edfe0..719ec906cab3af5ad8bdc38badc8c38b67f045c1 100644
--- a/lib/html/frog/html_frog.dart
+++ b/lib/html/frog/html_frog.dart
@@ -24,6 +24,144 @@ _DocumentImpl get _document() native "return document;";
 class _HTMLElementImpl extends _ElementImpl native "*HTMLElement" {
 }
 
+class _HistoryCrossFrameImpl implements History {
+
+  void back() {
+    _ptr.back();
+    return;
+  }
+
+  void forward() {
+    _ptr.forward();
+    return;
+  }
+
+  void go(int distance) {
+    _ptr.go(distance);
+    return;
+  }
+
+  // Implementation.
+  _HistoryImpl _ptr;
+
+  _HistoryCrossFrameImpl._(this._ptr);
+
+  static _createSafe(ptr) {
+    if (ptr === window.history) {
+      return window.history;
+    } else {
+      // TODO(vsm): Should we cache to try to get reference equality?
+      return new _HistoryCrossFrameImpl._(ptr);
+    }
+  }
+
+  operator ==(other) {
+    return (other is _HistoryCrossFrameImpl) &&
+           (this._ptr === other._ptr);
+  }
+}
+
+class _LocationCrossFrameImpl implements Location {
+
+  void set href(String value) { _ptr.href = value; }
+
+  // Implementation.
+  _LocationImpl _ptr;
+
+  _LocationCrossFrameImpl._(this._ptr);
+
+  static _createSafe(ptr) {
+    if (ptr === window.location) {
+      return window.location;
+    } else {
+      // TODO(vsm): Should we cache to try to get reference equality?
+      return new _LocationCrossFrameImpl._(ptr);
+    }
+  }
+
+  operator ==(other) {
+    return (other is _LocationCrossFrameImpl) &&
+           (this._ptr === other._ptr);
+  }
+}
+
+class _WindowCrossFrameImpl implements Window {
+
+  bool get closed() => _ptr.closed;
+
+  Window get frames() => _ptr.frames;
+
+  History get history() => _ptr.history;
+
+  int get length() => _ptr.length;
+
+  Location get location() => _ptr.location;
+
+  void set location(Location value) { _ptr.location = value; }
+
+  Window get opener() => _ptr.opener;
+
+  Window get parent() => _ptr.parent;
+
+  Window get self() => _ptr.self;
+
+  Window get top() => _ptr.top;
+
+  void blur() {
+    _ptr.blur();
+    return;
+  }
+
+  void close() {
+    _ptr.close();
+    return;
+  }
+
+  void focus() {
+    _ptr.focus();
+    return;
+  }
+
+  void postMessage(/*SerializedScriptValue*/ message, String targetOrigin, [List messagePorts = null]) {
+    if (messagePorts === null) {
+      _ptr.postMessage(message, targetOrigin, messagePorts);

[sra1, 2012/05/10 00:12:06]

Why are the branches the same?
The main point of generating a dispatch is to preserve the number of arguments
passed to the lower layer.
(Another reason would be to unwrap arguments in a type dependent manner).

+      return;
+    } else {
+      _ptr.postMessage(message, targetOrigin, messagePorts);
+      return;
+    }
+  }
+
+  void webkitPostMessage(/*SerializedScriptValue*/ message, String targetOrigin, [List transferList = null]) {
+    if (transferList === null) {
+      _ptr.webkitPostMessage(message, targetOrigin, transferList);
+      return;
+    } else {
+      _ptr.webkitPostMessage(message, targetOrigin, transferList);
+      return;
+    }
+  }
+
+  // Implementation.
+  _WindowImpl _ptr;
+
+  _WindowCrossFrameImpl._(this._ptr);
+
+  static _createSafe(ptr) {
+    if (ptr === window) {
+      return window;
+    } else {
+      // TODO(vsm): Should we cache to try to get reference equality?
+      return new _WindowCrossFrameImpl._(ptr);
+    }
+  }
+
+  operator ==(other) {
+    return (other is _WindowCrossFrameImpl) &&
+           (this._ptr === other._ptr);
+  }
+}
+
 class _AbstractWorkerImpl extends _EventTargetImpl implements AbstractWorker native "*AbstractWorker" {
 
   _AbstractWorkerEventsImpl get on() =>
@@ -4730,8 +4868,11 @@ class _DocumentImpl extends _NodeImpl
 
   String cookie;
 
-  _WindowImpl get window() native "return this.defaultView;";
+  _WindowImpl get _window() native "return this.defaultView;";
 
+  Window get window() {
+    return _WindowCrossFrameImpl._createSafe(_window);
+  }
   final _ElementImpl documentElement;
 
   final String domain;
@@ -7214,10 +7355,11 @@ class _FormElementImpl extends _ElementImpl implements FormElement native "*HTML
 
 class _FrameElementImpl extends _ElementImpl implements FrameElement native "*HTMLFrameElement" {
 
-  final _DocumentImpl contentDocument;
-
-  final _WindowImpl contentWindow;
+  _WindowImpl get _contentWindow() native "return this.contentWindow;";
 
+  Window get contentWindow() {
+    return _WindowCrossFrameImpl._createSafe(_contentWindow);
+  }
   String frameBorder;
 
   final int height;
@@ -7753,10 +7895,11 @@ class _IFrameElementImpl extends _ElementImpl implements IFrameElement native "*
 
   String align;
 
-  final _DocumentImpl contentDocument;
-
-  final _WindowImpl contentWindow;
+  _WindowImpl get _contentWindow() native "return this.contentWindow;";
 
+  Window get contentWindow() {
+    return _WindowCrossFrameImpl._createSafe(_contentWindow);
+  }
   String frameBorder;
 
   String height;
@@ -8872,8 +9015,11 @@ class _MessageEventImpl extends _EventImpl implements MessageEvent native "*Mess
 
   final List ports;
 
-  final _WindowImpl source;
+  _WindowImpl get _source() native "return this.source;";
 
+  Window get source() {
+    return _WindowCrossFrameImpl._createSafe(_source);
+  }
   void initMessageEvent(String typeArg, bool canBubbleArg, bool cancelableArg, Object dataArg, String originArg, String lastEventIdArg, _WindowImpl sourceArg, List messagePorts) native;
 
   void webkitInitMessageEvent(String typeArg, bool canBubbleArg, bool cancelableArg, Object dataArg, String originArg, String lastEventIdArg, _WindowImpl sourceArg, List transferables) native;
@@ -9739,8 +9885,6 @@ class _ObjectElementImpl extends _ElementImpl implements ObjectElement native "*
 
   String codeType;
 
-  final _DocumentImpl contentDocument;
-
   String data;
 
   bool declare;
@@ -14872,8 +15016,11 @@ class _UIEventImpl extends _EventImpl implements UIEvent native "*UIEvent" {
 
   final int pageY;
 
-  final _WindowImpl view;
+  _WindowImpl get _view() native "return this.view;";
 
+  Window get view() {
+    return _WindowCrossFrameImpl._createSafe(_view);
+  }
   final int which;
 
   void initUIEvent(String type, bool canBubble, bool cancelable, _WindowImpl view, int detail) native;
@@ -16474,12 +16621,16 @@ class _WindowImpl extends _EventTargetImpl implements Window native "@*DOMWindow
 
   final _EventImpl event;
 
-  final _ElementImpl frameElement;
-
-  final _WindowImpl frames;
+  _WindowImpl get _frames() native "return this.frames;";
 
-  final _HistoryImpl history;
+  Window get frames() {
+    return _WindowCrossFrameImpl._createSafe(_frames);
+  }
+  _HistoryImpl get _history() native "return this.history;";
 
+  History get history() {
+    return _history;
+  }
   final int innerHeight;
 
   final int innerWidth;
@@ -16488,7 +16639,12 @@ class _WindowImpl extends _EventTargetImpl implements Window native "@*DOMWindow
 
   final _StorageImpl localStorage;
 
-  _LocationImpl location;
+  _LocationImpl get _location() native "return this.location;";
+
+  Location get location() {
+    return _location;
+  }
+  void set location(_LocationImpl value) native "this.location = value;";
 
   final _BarInfoImpl locationbar;
 
@@ -16500,8 +16656,11 @@ class _WindowImpl extends _EventTargetImpl implements Window native "@*DOMWindow
 
   final bool offscreenBuffering;
 
-  final _WindowImpl opener;
+  _WindowImpl get _opener() native "return this.opener;";
 
+  Window get opener() {
+    return _WindowCrossFrameImpl._createSafe(_opener);
+  }
   final int outerHeight;
 
   final int outerWidth;
@@ -16510,8 +16669,11 @@ class _WindowImpl extends _EventTargetImpl implements Window native "@*DOMWindow
 
   final int pageYOffset;
 
-  final _WindowImpl parent;
+  _WindowImpl get _parent() native "return this.parent;";
 
+  Window get parent() {
+    return _WindowCrossFrameImpl._createSafe(_parent);
+  }
   final _PerformanceImpl performance;
 
   final _BarInfoImpl personalbar;
@@ -16532,8 +16694,11 @@ class _WindowImpl extends _EventTargetImpl implements Window native "@*DOMWindow
 
   final _BarInfoImpl scrollbars;
 
-  final _WindowImpl self;
+  _WindowImpl get _self() native "return this.self;";
 
+  Window get self() {
+    return _WindowCrossFrameImpl._createSafe(_self);
+  }
   final _StorageImpl sessionStorage;
 
   String status;
@@ -16544,16 +16709,17 @@ class _WindowImpl extends _EventTargetImpl implements Window native "@*DOMWindow
 
   final _BarInfoImpl toolbar;
 
-  final _WindowImpl top;
+  _WindowImpl get _top() native "return this.top;";
 
+  Window get top() {
+    return _WindowCrossFrameImpl._createSafe(_top);
+  }
   final _IDBFactoryImpl webkitIndexedDB;
 
   final _NotificationCenterImpl webkitNotifications;
 
   final _StorageInfoImpl webkitStorageInfo;
 
-  final _WindowImpl window;
-
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture = null]) native "addEventListener";
 
   void alert(String message) native;
@@ -16592,7 +16758,9 @@ class _WindowImpl extends _EventTargetImpl implements Window native "@*DOMWindow
 
   void moveTo(num x, num y) native;
 
-  _WindowImpl open(String url, String name, [String options = null]) native;
+  _WindowImpl _open(String url, String name, [String options = null]) native "open";
+
+  Window open(String url, String name, [String options = null]) => _WindowCrossFrameImpl._createSafe(_open(url, name, options));
 
   _DatabaseImpl openDatabase(String name, String version, String displayName, int estimatedSize, [DatabaseCallback creationCallback = null]) native;
 
@@ -23973,9 +24141,6 @@ interface FormElement extends Element {
 /// @domName HTMLFrameElement
 interface FrameElement extends Element {
 
-  /** @domName HTMLFrameElement.contentDocument */
-  final Document contentDocument;
-
   /** @domName HTMLFrameElement.contentWindow */
   final Window contentWindow;
 
@@ -24729,9 +24894,6 @@ interface IFrameElement extends Element {
   /** @domName HTMLIFrameElement.align */
   String align;
 
-  /** @domName HTMLIFrameElement.contentDocument */
-  final Document contentDocument;
-
   /** @domName HTMLIFrameElement.contentWindow */
   final Window contentWindow;
 
@@ -26889,9 +27051,6 @@ interface ObjectElement extends Element {
   /** @domName HTMLObjectElement.codeType */
   String codeType;
 
-  /** @domName HTMLObjectElement.contentDocument */
-  final Document contentDocument;
-
   /** @domName HTMLObjectElement.data */
   String data;
 
@@ -34575,9 +34734,6 @@ interface Window extends EventTarget {
   /** @domName DOMWindow.event */
   final Event event;
 
-  /** @domName DOMWindow.frameElement */
-  final Element frameElement;
-
   /** @domName DOMWindow.frames */
   final Window frames;
 
@@ -34692,9 +34848,6 @@ interface Window extends EventTarget {
   /** @domName DOMWindow.webkitStorageInfo */
   final StorageInfo webkitStorageInfo;
 
-  /** @domName DOMWindow.window */
-  final Window window;
-
   /** @domName DOMWindow.addEventListener */
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]);