mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-04 16:15:25 +00:00
a8939590de
The bulk of this commit was generated by running:
run-clang-tidy.py \
-checks='-*,llvm-namespace-comment' \
-header-filter=^/.../mozilla-central/.* \
-fix
102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nsDOMCaretPosition_h
|
|
#define nsDOMCaretPosition_h
|
|
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsINode.h"
|
|
#include "nsWrapperCache.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
class DOMRect;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
/**
|
|
* Implementation of a DOM Caret Position, which is a node and offset within
|
|
* that node, in the DOM tree.
|
|
*
|
|
* http://www.w3.org/TR/cssom-view/#dom-documentview-caretrangefrompoint
|
|
*
|
|
* @see Document::caretPositionFromPoint(float x, float y)
|
|
*/
|
|
class nsDOMCaretPosition : public nsISupports,
|
|
public nsWrapperCache
|
|
{
|
|
typedef mozilla::dom::DOMRect DOMRect;
|
|
|
|
public:
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMCaretPosition)
|
|
|
|
nsDOMCaretPosition(nsINode* aNode, uint32_t aOffset);
|
|
|
|
/**
|
|
* Retrieve the offset (character position within the DOM node) of the
|
|
* CaretPosition.
|
|
*
|
|
* @returns The offset within the DOM node.
|
|
*/
|
|
uint32_t Offset() const { return mOffset; }
|
|
|
|
/**
|
|
* Retrieve the DOM node with which this CaretPosition was established.
|
|
* Normally, this will be created from a point, so it will be the DOM
|
|
* node that lies at the point specified.
|
|
*
|
|
* @returns The DOM node of the CaretPosition.
|
|
*
|
|
* @see Document::caretPositionFromPoint(float x, float y)
|
|
*/
|
|
nsINode* GetOffsetNode() const;
|
|
|
|
/**
|
|
* Retrieve the bounding rectangle of this CaretPosition object.
|
|
*
|
|
* @returns An nsClientRect representing the bounding rectangle of this
|
|
* CaretPosition, if one can be successfully determined, otherwise
|
|
* nullptr.
|
|
*/
|
|
already_AddRefed<DOMRect> GetClientRect() const;
|
|
|
|
/**
|
|
* Set the anonymous content node that is the actual parent of this
|
|
* CaretPosition object. In situations where the DOM node for a CaretPosition
|
|
* actually lies within an anonymous content node (e.g. a textarea), the
|
|
* actual parent is not set as the offset node. This is used to get the
|
|
* correct bounding box of a CaretPosition object that lies within a textarea
|
|
* or input element.
|
|
*
|
|
* @param aNode A pointer to an nsINode object that is the actual element
|
|
* within which this CaretPosition lies, but is an anonymous content
|
|
* node.
|
|
*/
|
|
void SetAnonymousContentNode(nsINode* aNode)
|
|
{
|
|
mAnonymousContentNode = aNode;
|
|
}
|
|
|
|
nsISupports* GetParentObject() const
|
|
{
|
|
return GetOffsetNode();
|
|
}
|
|
|
|
virtual JSObject* WrapObject(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
|
|
override final;
|
|
|
|
protected:
|
|
virtual ~nsDOMCaretPosition();
|
|
|
|
uint32_t mOffset;
|
|
nsCOMPtr<nsINode> mOffsetNode;
|
|
nsCOMPtr<nsINode> mAnonymousContentNode;
|
|
};
|
|
#endif
|
|
|