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 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 (auto* pAnnot : copiedList) 37 m_List.emplace_back(pAnnot); 38 } 39 40 CPDFSDK_AnnotIteration::~CPDFSDK_AnnotIteration() {} 41