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