| Index: client/dom/templates/html/dartium/impl_EventTarget.darttemplate
|
| diff --git a/client/dom/templates/html/dartium/impl_EventTarget.darttemplate b/client/dom/templates/html/dartium/impl_EventTarget.darttemplate
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..6cad86779008d9006e84346ce5be3b6a8abf635f
|
| --- /dev/null
|
| +++ b/client/dom/templates/html/dartium/impl_EventTarget.darttemplate
|
| @@ -0,0 +1,115 @@
|
| +// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
| +// for details. All rights reserved. Use of this source code is governed by a
|
| +// BSD-style license that can be found in the LICENSE file.
|
| +
|
| +class _EventsImpl implements Events {
|
| +
|
| + final _EventTargetImpl _ptr;
|
| +
|
| + final Map<String, EventListenerList> _listenerMap;
|
| +
|
| + _EventsImpl(this._ptr) : _listenerMap = <EventListenerList>{};
|
| +
|
| + EventListenerList operator [](String type) {
|
| + return _get(type.toLowerCase());
|
| + }
|
| +
|
| + EventListenerList _get(String type) {
|
| + return _listenerMap.putIfAbsent(type,
|
| + () => new _EventListenerListImpl(_ptr, type));
|
| + }
|
| +}
|
| +
|
| +class _EventListenerWrapper {
|
| + final EventListener raw;
|
| + final Function wrapped;
|
| + final bool useCapture;
|
| + _EventListenerWrapper(this.raw, this.wrapped, this.useCapture);
|
| +}
|
| +
|
| +class _EventListenerListImpl implements EventListenerList {
|
| + final _EventTargetImpl _ptr;
|
| + final String _type;
|
| + List<_EventListenerWrapper> _wrappers;
|
| +
|
| + _EventListenerListImpl(this._ptr, this._type) :
|
| + // TODO(jacobr): switch to <_EventListenerWrapper>[] when the VM allow it.
|
| + _wrappers = new List<_EventListenerWrapper>();
|
| +
|
| + EventListenerList add(EventListener listener, [bool useCapture = false]) {
|
| + _add(listener, useCapture);
|
| + return this;
|
| + }
|
| +
|
| + EventListenerList remove(EventListener listener, [bool useCapture = false]) {
|
| + _remove(listener, useCapture);
|
| + return this;
|
| + }
|
| +
|
| + bool dispatch(Event evt) {
|
| + // TODO(jacobr): what is the correct behavior here. We could alternately
|
| + // force the event to have the expected type.
|
| + assert(evt.type == _type);
|
| + return _ptr._dispatchEvent(_unwrap(evt));
|
| + }
|
| +
|
| + void _add(EventListener listener, bool useCapture) {
|
| + _ptr._addEventListener(_type,
|
| + _findOrAddWrapper(listener, useCapture),
|
| + useCapture);
|
| + }
|
| +
|
| + void _remove(EventListener listener, bool useCapture) {
|
| + Function wrapper = _removeWrapper(listener, useCapture);
|
| + if (wrapper !== null) {
|
| + _ptr._removeEventListener(_type, wrapper, useCapture);
|
| + }
|
| + }
|
| +
|
| + Function _removeWrapper(EventListener listener, bool useCapture) {
|
| + if (_wrappers === null) {
|
| + return null;
|
| + }
|
| + for (int i = 0; i < _wrappers.length; i++) {
|
| + _EventListenerWrapper wrapper = _wrappers[i];
|
| + if (wrapper.raw === listener && wrapper.useCapture == useCapture) {
|
| + // Order doesn't matter so we swap with the last element instead of
|
| + // performing a more expensive remove from the middle of the list.
|
| + if (i + 1 != _wrappers.length) {
|
| + _wrappers[i] = _wrappers.removeLast();
|
| + } else {
|
| + _wrappers.removeLast();
|
| + }
|
| + return wrapper.wrapped;
|
| + }
|
| + }
|
| + return null;
|
| + }
|
| +
|
| + Function _findOrAddWrapper(EventListener listener, bool useCapture) {
|
| + if (_wrappers === null) {
|
| + _wrappers = <_EventListenerWrapper>[];
|
| + } else {
|
| + for (_EventListenerWrapper wrapper in _wrappers) {
|
| + if (wrapper.raw === listener && wrapper.useCapture == useCapture) {
|
| + return wrapper.wrapped;
|
| + }
|
| + }
|
| + }
|
| + final wrapped = (e) { listener(_wrap(e)); };
|
| + _wrappers.add(new _EventListenerWrapper(listener, wrapped, useCapture));
|
| + return wrapped;
|
| + }
|
| +}
|
| +
|
| +class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
|
| +
|
| + Events _on;
|
| +
|
| + Events get on() {
|
| + if (_on == null) _on = new _EventsImpl(this);
|
| + return _on;
|
| + }
|
| +
|
| +$!MEMBERS
|
| +}
|
|
|