Split fpdfsdk/fsdk_annothandler.h into individual classes.
This CL moves classes in fsdk_annothandler.h, which are
CPDFSDK_AnnotIterator, CPDFSDK_AnnotHandlerMgr, IPDFSDK_AnnotHandler,
CPDFSDK_XFAAnnotHandler and CPDFSDK_BFAnnotHandler, to their own files.
Review-Url: https://codereview.chromium.org/2243623002
diff --git a/fpdfsdk/cpdfsdk_annotiterator.cpp b/fpdfsdk/cpdfsdk_annotiterator.cpp
new file mode 100644
index 0000000..01a4e15
--- /dev/null
+++ b/fpdfsdk/cpdfsdk_annotiterator.cpp
@@ -0,0 +1,54 @@
+// Copyright 2016 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/include/cpdfsdk_annotiterator.h"
+
+#include <algorithm>
+
+#include "fpdfsdk/include/cpdfsdk_annot.h"
+#include "fpdfsdk/include/fsdk_mgr.h"
+
+CPDFSDK_AnnotIterator::CPDFSDK_AnnotIterator(CPDFSDK_PageView* pPageView,
+ bool bReverse)
+ : m_bReverse(bReverse), m_pos(0) {
+ const std::vector<CPDFSDK_Annot*>& annots = pPageView->GetAnnotList();
+ m_iteratorAnnotList.insert(m_iteratorAnnotList.begin(), annots.rbegin(),
+ annots.rend());
+ std::stable_sort(m_iteratorAnnotList.begin(), m_iteratorAnnotList.end(),
+ [](CPDFSDK_Annot* p1, CPDFSDK_Annot* p2) {
+ return p1->GetLayoutOrder() < p2->GetLayoutOrder();
+ });
+
+ CPDFSDK_Annot* pTopMostAnnot = pPageView->GetFocusAnnot();
+ if (!pTopMostAnnot)
+ return;
+
+ auto it = std::find(m_iteratorAnnotList.begin(), m_iteratorAnnotList.end(),
+ pTopMostAnnot);
+ if (it != m_iteratorAnnotList.end()) {
+ CPDFSDK_Annot* pReaderAnnot = *it;
+ m_iteratorAnnotList.erase(it);
+ m_iteratorAnnotList.insert(m_iteratorAnnotList.begin(), pReaderAnnot);
+ }
+}
+
+CPDFSDK_AnnotIterator::~CPDFSDK_AnnotIterator() {}
+
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::NextAnnot() {
+ if (m_pos < m_iteratorAnnotList.size())
+ return m_iteratorAnnotList[m_pos++];
+ return nullptr;
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::PrevAnnot() {
+ if (m_pos < m_iteratorAnnotList.size())
+ return m_iteratorAnnotList[m_iteratorAnnotList.size() - ++m_pos];
+ return nullptr;
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::Next() {
+ return m_bReverse ? PrevAnnot() : NextAnnot();
+}