Hixie 87e83e552d Remove EventTarget, and subsequent fallout.
The primary goal of this change was to remove EventTarget from the
sky_engine C++ code. Since EventTarget is so core to the entire event
system that sky_engine was based on, this is a rather invasive change.
As such, it had some knock-on effects. I deleted some of the files
that were affected, and cauterised the remainder.

In many cases, a file would depend on another file that it didn't
include directly, but instead included indirectly via another file
that I deleted. When this happened, if the features that this broke
were obsolete, I sometimes just removed the features instead.

Specifically:
- removed EventTarget
- removed EventQueue, since without a target, what's a queue going to
  do?
- same with EventDispatch*
- removed ExecutionContext, since it had an EventQueue and nothing
  else it did was relevant to Sky anymore
- removed ActiveDOMObject, which was all about ExecutionContexts
- removed ContextLifecycleNotifier since it dependend on
  ExecutionContext and ActiveDOMObject
- removed the other Lifecycle classes for consistency, and replaced
  them with four booleans in the Document class
- removed some of the attributes that are no longer relevant from
  IDLExtendedAttributes (ConstructorCallWith and
  CallWith=ExecutionContext)
- removed the Document member on DOMDartState since we never set it to
  anything but null.
- removed BuiltinSky::InstallWindow since it relied on the Document
  member of DOMDartState
- removed EventHandler, EventListener, and mentions of those in
  various binding scripts
- removed NewEventHandler, since we're not using that either
- removed the following interfaces from the Sky Dart API:
  - EventTarget
  - EventListener (since without a target, there's no way to listen)
  - FocusEvent (since it's only member was an EventTarget)
  - HashChangeEvent (mostly by accident, but it's defunct anyway)
  - FontFace (it used ConstructorCallWith=ExecutionContext)
- changed the following interfaces of the Sky DART API:
  - MediaQueryList is no longer an EventTarget
  - Node is no longer an EventTarget
  - Document no longer has defaultView (depended on
    DOMDartState's document)
  - DocumentFragment, Element, Range, and Text no longer have a
    constructor (they all depended on DOMDartState's document, which
    is now gone)
  - Event lost its EventTarget members and path.
  - Window lost its WindowTimers partial interface (it used
    EventTarget and ExecutionContext a lot)
- removed numerous hacks in the bindings around features that are now
  gone, like addEventListener
- removed a bunch of console logging code, since that relied on
  ExecutionContext
- cauterised the wound in FontFace.cpp by removing constructors and
  methods that called now-removed features
- same with MediaQuery and friends
- same with some editor features and focus-related features
- same with Document
- removed DOMTimer classes since they use ExecutionContexts
2015-07-16 14:40:10 -07:00

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C++

/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SKY_ENGINE_CORE_EDITING_DOMSELECTION_H_
#define SKY_ENGINE_CORE_EDITING_DOMSELECTION_H_
#include "sky/engine/tonic/dart_wrappable.h"
#include "sky/engine/core/frame/DOMWindowProperty.h"
#include "sky/engine/platform/heap/Handle.h"
#include "sky/engine/wtf/Forward.h"
#include "sky/engine/wtf/PassRefPtr.h"
#include "sky/engine/wtf/RefCounted.h"
namespace blink {
class ExceptionState;
class LocalFrame;
class Node;
class Position;
class Range;
class TreeScope;
class VisibleSelection;
class DOMSelection final : public RefCounted<DOMSelection>, public DartWrappable, public DOMWindowProperty {
DEFINE_WRAPPERTYPEINFO();
public:
static PassRefPtr<DOMSelection> create(const TreeScope* treeScope)
{
return adoptRef(new DOMSelection(treeScope));
}
void clearTreeScope();
// Safari Selection Object API
// These methods return the valid equivalents of internal editing positions.
Node* baseNode() const;
int baseOffset() const;
Node* extentNode() const;
int extentOffset() const;
String type() const;
void setBaseAndExtent(Node* baseNode, int baseOffset, Node* extentNode, int extentOffset, ExceptionState&);
void modify(const String& alter, const String& direction, const String& granularity);
// Mozilla Selection Object API
// In Firefox, anchor/focus are the equal to the start/end of the selection,
// but reflect the direction in which the selection was made by the user. That does
// not mean that they are base/extent, since the base/extent don't reflect
// expansion.
// These methods return the valid equivalents of internal editing positions.
Node* anchorNode() const;
int anchorOffset() const;
Node* focusNode() const;
int focusOffset() const;
bool isCollapsed() const;
int rangeCount() const;
void collapse(Node*, int offset, ExceptionState&);
void collapseToEnd(ExceptionState&);
void collapseToStart(ExceptionState&);
void extend(Node*, int offset, ExceptionState&);
PassRefPtr<Range> getRangeAt(int, ExceptionState&);
void removeAllRanges();
void addRange(Range*);
void deleteFromDocument();
bool containsNode(const Node*, bool partlyContained) const;
void selectAllChildren(Node*, ExceptionState&);
String toString();
// Microsoft Selection Object API
void empty();
private:
explicit DOMSelection(const TreeScope*);
// Convenience method for accessors, does not check m_frame present.
const VisibleSelection& visibleSelection() const;
Node* shadowAdjustedNode(const Position&) const;
int shadowAdjustedOffset(const Position&) const;
bool isValidForPosition(Node*) const;
RawPtr<const TreeScope> m_treeScope;
};
} // namespace blink
#endif // SKY_ENGINE_CORE_EDITING_DOMSELECTION_H_