1 // Copyright 2017 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "fpdfsdk/cpdfsdk_annotiteration.h"
8
9 #include <algorithm>
10 #include <utility>
11
12 #include "fpdfsdk/cpdfsdk_annot.h"
13 #include "fpdfsdk/cpdfsdk_pageview.h"
14
CPDFSDK_AnnotIteration(CPDFSDK_PageView * pPageView,bool bReverse)15 CPDFSDK_AnnotIteration::CPDFSDK_AnnotIteration(CPDFSDK_PageView* pPageView,
16 bool bReverse) {
17 // Copying/sorting ObservedPtrs is expensive, so do it once at the end.
18 std::vector<CPDFSDK_Annot*> copiedList = pPageView->GetAnnotList();
19 std::stable_sort(copiedList.begin(), copiedList.end(),
20 [](const CPDFSDK_Annot* p1, const CPDFSDK_Annot* p2) {
21 return p1->GetLayoutOrder() < p2->GetLayoutOrder();
22 });
23
24 CPDFSDK_Annot* pTopMostAnnot = pPageView->GetFocusAnnot();
25 if (pTopMostAnnot) {
26 auto it = std::find(copiedList.begin(), copiedList.end(), pTopMostAnnot);
27 if (it != copiedList.end()) {
28 copiedList.erase(it);
29 copiedList.insert(copiedList.begin(), pTopMostAnnot);
30 }
31 }
32 if (bReverse)
33 std::reverse(copiedList.begin(), copiedList.end());
34
35 m_List.reserve(copiedList.size());
36 for (const auto& pAnnot : copiedList)
37 m_List.emplace_back(pAnnot);
38 }
39
~CPDFSDK_AnnotIteration()40 CPDFSDK_AnnotIteration::~CPDFSDK_AnnotIteration() {}
41