Replace CFX_RectArray with std::vector<CFX_FloatRect>

Use RVO now that we use an array type compatible with it.

Review URL: https://codereview.chromium.org/1906903002

4 files changed, 13 insertions, 20 deletions

diff --git a/fpdfsdk/fpdftext.cpp b/fpdfsdk/fpdftext.cpp
index 2a84131422..4d521da8ed 100644
--- a/fpdfsdk/fpdftext.cpp
+++ b/fpdfsdk/fpdftext.cpp
@@ -13,6 +13,7 @@
 #include "core/fpdftext/include/cpdf_textpagefind.h"
 #include "fpdfsdk/include/fsdk_define.h"
 #include "third_party/base/numerics/safe_conversions.h"
+#include "third_party/base/stl_util.h"
 
 #ifdef PDF_ENABLE_XFA
 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h"
@@ -315,10 +316,8 @@ DLLEXPORT int STDCALL FPDFLink_CountRects(FPDF_PAGELINK link_page,
   if (!link_page || link_index < 0)
     return 0;
 
-  CFX_RectArray rects;
   CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page);
-  pageLink->GetRects(link_index, &rects);
-  return rects.GetSize();
+  return pdfium::CollectionSize<int>(pageLink->GetRects(link_index));
 }
 
 DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page,
@@ -331,17 +330,15 @@ DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page,
   if (!link_page || link_index < 0 || rect_index < 0)
     return;
 
-  CFX_RectArray rectArray;
   CPDF_LinkExtract* pageLink = CPDFLinkExtractFromFPDFPageLink(link_page);
-  pageLink->GetRects(link_index, &rectArray);
-  if (rect_index >= rectArray.GetSize())
+  std::vector<CFX_FloatRect> rectArray = pageLink->GetRects(link_index);
+  if (rect_index >= pdfium::CollectionSize<int>(rectArray))
     return;
 
-  CFX_FloatRect rect = rectArray.GetAt(rect_index);
-  *left = rect.left;
-  *right = rect.right;
-  *top = rect.top;
-  *bottom = rect.bottom;
+  *left = rectArray[rect_index].left;
+  *right = rectArray[rect_index].right;
+  *top = rectArray[rect_index].top;
+  *bottom = rectArray[rect_index].bottom;
 }
 
 DLLEXPORT void STDCALL FPDFLink_CloseWebLinks(FPDF_PAGELINK link_page) {
diff --git a/fpdfsdk/fsdk_mgr.cpp b/fpdfsdk/fsdk_mgr.cpp
index 7240fe1d0b..cfb1b8a8b3 100644
--- a/fpdfsdk/fsdk_mgr.cpp
+++ b/fpdfsdk/fsdk_mgr.cpp
@@ -1158,12 +1158,10 @@ void CPDFSDK_PageView::ClearFXAnnots() {
   SetLock(FALSE);
 }
 
-void CPDFSDK_PageView::UpdateRects(CFX_RectArray& rects) {
-  for (int i = 0; i < rects.GetSize(); i++) {
-    CFX_FloatRect rc = rects.GetAt(i);
-    CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
+void CPDFSDK_PageView::UpdateRects(const std::vector<CFX_FloatRect>& rects) {
+  CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
+  for (const auto& rc : rects)
     pEnv->FFI_Invalidate(m_page, rc.left, rc.top, rc.right, rc.bottom);
-  }
 }
 
 void CPDFSDK_PageView::UpdateView(CPDFSDK_Annot* pAnnot) {
diff --git a/fpdfsdk/include/fsdk_mgr.h b/fpdfsdk/include/fsdk_mgr.h
index 3d691c1f2d..0578a16e3d 100644
--- a/fpdfsdk/include/fsdk_mgr.h
+++ b/fpdfsdk/include/fsdk_mgr.h
@@ -614,7 +614,7 @@ class CPDFSDK_PageView final {
                        int nFlag);
   bool IsValidAnnot(const CPDF_Annot* p) const;
   void GetCurrentMatrix(CFX_Matrix& matrix) { matrix = m_curMatrix; }
-  void UpdateRects(CFX_RectArray& rects);
+  void UpdateRects(const std::vector<CFX_FloatRect>& rects);
   void UpdateView(CPDFSDK_Annot* pAnnot);
   const std::vector<CPDFSDK_Annot*>& GetAnnotList() const {
     return m_fxAnnotArray;
diff --git a/fpdfsdk/javascript/Document.cpp b/fpdfsdk/javascript/Document.cpp
index 551d649830..fa2f7ae4e4 100644
--- a/fpdfsdk/javascript/Document.cpp
+++ b/fpdfsdk/javascript/Document.cpp
@@ -494,9 +494,7 @@ FX_BOOL Document::removeField(IJS_Context* cc,
     ++rcAnnot.right;
     ++rcAnnot.top;
 
-    CFX_RectArray aRefresh;
-    aRefresh.Add(rcAnnot);
-
+    std::vector<CFX_FloatRect> aRefresh(1, rcAnnot);
     UnderlyingPageType* pPage = pWidget->GetUnderlyingPage();
     ASSERT(pPage);