The Tor Browser / file comparison
comparison: content/base/src/nsDOMCaretPosition.cpp
content/base/src/nsDOMCaretPosition.cpp
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:24374c3d4c21 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "nsDOMCaretPosition.h" | |
| 6 | |
| 7 #include "mozilla/dom/CaretPositionBinding.h" | |
| 8 #include "mozilla/dom/DOMRect.h" | |
| 9 #include "nsRange.h" | |
| 10 | |
| 11 using namespace mozilla::dom; | |
| 12 | |
| 13 nsDOMCaretPosition::nsDOMCaretPosition(nsINode* aNode, uint32_t aOffset) | |
| 14 : mOffset(aOffset), mOffsetNode(aNode), mAnonymousContentNode(nullptr) | |
| 15 { | |
| 16 SetIsDOMBinding(); | |
| 17 } | |
| 18 | |
| 19 nsDOMCaretPosition::~nsDOMCaretPosition() | |
| 20 { | |
| 21 } | |
| 22 | |
| 23 nsINode* nsDOMCaretPosition::GetOffsetNode() const | |
| 24 { | |
| 25 return mOffsetNode; | |
| 26 } | |
| 27 | |
| 28 already_AddRefed<DOMRect> | |
| 29 nsDOMCaretPosition::GetClientRect() const | |
| 30 { | |
| 31 if (!mOffsetNode) { | |
| 32 return nullptr; | |
| 33 } | |
| 34 | |
| 35 nsRefPtr<DOMRect> rect; | |
| 36 nsRefPtr<nsRange> domRange; | |
| 37 nsCOMPtr<nsINode> node; | |
| 38 | |
| 39 if (mAnonymousContentNode) { | |
| 40 node = mAnonymousContentNode; | |
| 41 } else { | |
| 42 node = mOffsetNode; | |
| 43 } | |
| 44 | |
| 45 nsresult creationRv = nsRange::CreateRange(node, mOffset, node, | |
| 46 mOffset, | |
| 47 getter_AddRefs<nsRange>(domRange)); | |
| 48 if (!NS_SUCCEEDED(creationRv)) { | |
| 49 return nullptr; | |
| 50 } | |
| 51 | |
| 52 NS_ASSERTION(domRange, "unable to retrieve valid dom range from CaretPosition"); | |
| 53 | |
| 54 rect = domRange->GetBoundingClientRect(); | |
| 55 | |
| 56 return rect.forget(); | |
| 57 } | |
| 58 | |
| 59 JSObject* | |
| 60 nsDOMCaretPosition::WrapObject(JSContext *aCx) | |
| 61 { | |
| 62 return mozilla::dom::CaretPositionBinding::Wrap(aCx, this); | |
| 63 } | |
| 64 | |
| 65 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_2(nsDOMCaretPosition, | |
| 66 mOffsetNode, mAnonymousContentNode) | |
| 67 | |
| 68 NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDOMCaretPosition) | |
| 69 NS_IMPL_CYCLE_COLLECTING_RELEASE(nsDOMCaretPosition) | |
| 70 | |
| 71 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDOMCaretPosition) | |
| 72 NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY | |
| 73 NS_INTERFACE_MAP_ENTRY(nsISupports) | |
| 74 NS_INTERFACE_MAP_END | |
| 75 |
