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41 lines
1.4 KiB
41 lines
1.4 KiB
// Copyright 2017 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "fpdfsdk/cpdfsdk_annotiteration.h"
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#include <algorithm>
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#include <utility>
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#include "fpdfsdk/cpdfsdk_annot.h"
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#include "fpdfsdk/cpdfsdk_pageview.h"
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CPDFSDK_AnnotIteration::CPDFSDK_AnnotIteration(CPDFSDK_PageView* pPageView,
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bool bReverse) {
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// Copying/sorting ObservedPtrs is expensive, so do it once at the end.
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std::vector<CPDFSDK_Annot*> copiedList = pPageView->GetAnnotList();
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std::stable_sort(copiedList.begin(), copiedList.end(),
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[](const CPDFSDK_Annot* p1, const CPDFSDK_Annot* p2) {
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return p1->GetLayoutOrder() < p2->GetLayoutOrder();
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});
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CPDFSDK_Annot* pTopMostAnnot = pPageView->GetFocusAnnot();
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if (pTopMostAnnot) {
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auto it = std::find(copiedList.begin(), copiedList.end(), pTopMostAnnot);
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if (it != copiedList.end()) {
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copiedList.erase(it);
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copiedList.insert(copiedList.begin(), pTopMostAnnot);
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}
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}
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if (bReverse)
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std::reverse(copiedList.begin(), copiedList.end());
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m_List.reserve(copiedList.size());
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for (auto* pAnnot : copiedList)
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m_List.emplace_back(pAnnot);
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}
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CPDFSDK_AnnotIteration::~CPDFSDK_AnnotIteration() {}
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