mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||
|
/* 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 NSIFRAMETRAVERSAL_H
|
||
|
#define NSIFRAMETRAVERSAL_H
|
||
|
|
||
|
#include "nsISupports.h"
|
||
|
#include "nsIFrame.h"
|
||
|
|
||
|
#define NS_IFRAMEENUMERATOR_IID \
|
||
|
{ 0x7c633f5d, 0x91eb, 0x494e, \
|
||
|
{ 0xa1, 0x40, 0x17, 0x46, 0x17, 0x4c, 0x23, 0xd3 } }
|
||
|
|
||
|
class nsIFrameEnumerator : public nsISupports
|
||
|
{
|
||
|
public:
|
||
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IFRAMEENUMERATOR_IID)
|
||
|
|
||
|
virtual void First() = 0;
|
||
|
virtual void Next() = 0;
|
||
|
virtual nsIFrame* CurrentItem() = 0;
|
||
|
virtual bool IsDone() = 0;
|
||
|
|
||
|
virtual void Last() = 0;
|
||
|
virtual void Prev() = 0;
|
||
|
};
|
||
|
|
||
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIFrameEnumerator, NS_IFRAMEENUMERATOR_IID)
|
||
|
|
||
|
enum nsIteratorType {
|
||
|
eLeaf,
|
||
|
ePreOrder,
|
||
|
ePostOrder
|
||
|
};
|
||
|
|
||
|
// {d33fe76c-207c-4359-a315-8eb1eecf80e5}
|
||
|
#define NS_IFRAMETRAVERSAL_IID \
|
||
|
{ 0xd33fe76c, 0x207c, 0x4359, { 0xa3, 0x15, 0x8e, 0xb1, 0xee, 0xcf, 0x80, 0xe5 } }
|
||
|
|
||
|
class nsIFrameTraversal : public nsISupports
|
||
|
{
|
||
|
public:
|
||
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IFRAMETRAVERSAL_IID)
|
||
|
|
||
|
/**
|
||
|
* Create a frame iterator with the specified properties.
|
||
|
* @param aEnumerator [out] the created iterator
|
||
|
* @param aPresContext [in]
|
||
|
* @param aStart [in] the frame to start iterating from
|
||
|
* @param aType [in] the type of the iterator: leaf, pre-order, or post-order
|
||
|
* @param aVisual [in] whether the iterator should traverse frames in visual
|
||
|
* bidi order
|
||
|
* @param aLockInScrollView [in] whether to stop iterating when exiting a
|
||
|
* scroll view
|
||
|
* @param aFollowOOFs [in] whether the iterator should follow out-of-flows.
|
||
|
* If true, when reaching a placeholder frame while going down will get
|
||
|
* the real frame. Going back up will go on past the placeholder,
|
||
|
* so the placeholders are logically part of the frame tree.
|
||
|
* @param aSkipPopupChecks [in] if false, then don't iterate into or out of a
|
||
|
* popup frame. If true, skip any popup related checks.
|
||
|
*/
|
||
|
NS_IMETHOD NewFrameTraversal(nsIFrameEnumerator **aEnumerator,
|
||
|
nsPresContext* aPresContext,
|
||
|
nsIFrame *aStart,
|
||
|
int32_t aType,
|
||
|
bool aVisual,
|
||
|
bool aLockInScrollView,
|
||
|
bool aFollowOOFs,
|
||
|
bool aSkipPopupChecks) = 0;
|
||
|
};
|
||
|
|
||
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIFrameTraversal, NS_IFRAMETRAVERSAL_IID)
|
||
|
|
||
|
#endif //NSIFRAMETRAVERSAL_H
|