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authortsepez <tsepez@chromium.org>2017-01-11 14:03:54 -0800
committerCommit bot <commit-bot@chromium.org>2017-01-11 14:03:54 -0800
commitd805eec52f6ac574918748c4270873e7e5cde596 (patch)
tree3dec3245638de8600bd9a213887be92cc53a1d76 /fpdfsdk/cpdfsdk_annotiteration.cpp
parent5e3121beff936df1b0af3749447eeda1666d5d76 (diff)
downloadpdfium-d805eec52f6ac574918748c4270873e7e5cde596.tar.xz
Use observed pointers in CPDFSDK_AnnotIterator.chromium/2979
Rename to CPDFSDK_AnnotIteration, as it is now an ordered set of annots, and not the iterator itself. Review-Url: https://codereview.chromium.org/2626073005
Diffstat (limited to 'fpdfsdk/cpdfsdk_annotiteration.cpp')
-rw-r--r--fpdfsdk/cpdfsdk_annotiteration.cpp40
1 files changed, 40 insertions, 0 deletions
diff --git a/fpdfsdk/cpdfsdk_annotiteration.cpp b/fpdfsdk/cpdfsdk_annotiteration.cpp
new file mode 100644
index 0000000000..dd99ade509
--- /dev/null
+++ b/fpdfsdk/cpdfsdk_annotiteration.cpp
@@ -0,0 +1,40 @@
+// 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() {}