commit ee96772e0878fa385b9a4a736a2fc109e19fd01e
author Lei Zhang <thestig@chromium.org> Thu Apr 19 20:55:54 2018 +0000
committer Chromium commit bot <commit-bot@chromium.org> Thu Apr 19 20:55:54 2018 +0000
tree def5fed9024c0aef25d7d1f81729b6f0a6687179
parent c84ea8eda5a53229cf1faaed7cb54013b9ea18c3

Add public APIs for undo / redo in forms.

Add FORM_CanUndo(), FORM_CanRedo(), FORM_Undo(), and FORM_Redo().

BUG=chromium:764260

Change-Id: I1d9ea67152d9b35d9b8e1d7ef7d019706fdfa30a
Reviewed-on: https://pdfium-review.googlesource.com/30872
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>

fpdfsdk/cpdfsdk_annothandlermgr.cpp

diff --git a/fpdfsdk/cpdfsdk_annothandlermgr.cpp b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
index 52ab4dd..37d5274 100644
--- a/fpdfsdk/cpdfsdk_annothandlermgr.cpp
+++ b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
@@ -90,6 +90,22 @@
   GetAnnotHandler(pAnnot)->ReplaceSelection(pAnnot, text);
 }
 
+bool CPDFSDK_AnnotHandlerMgr::Annot_CanUndo(CPDFSDK_Annot* pAnnot) {
+  return GetAnnotHandler(pAnnot)->CanUndo(pAnnot);
+}
+
+bool CPDFSDK_AnnotHandlerMgr::Annot_CanRedo(CPDFSDK_Annot* pAnnot) {
+  return GetAnnotHandler(pAnnot)->CanRedo(pAnnot);
+}
+
+bool CPDFSDK_AnnotHandlerMgr::Annot_Undo(CPDFSDK_Annot* pAnnot) {
+  return GetAnnotHandler(pAnnot)->Undo(pAnnot);
+}
+
+bool CPDFSDK_AnnotHandlerMgr::Annot_Redo(CPDFSDK_Annot* pAnnot) {
+  return GetAnnotHandler(pAnnot)->Redo(pAnnot);
+}
+
 IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(
     CPDFSDK_Annot* pAnnot) const {
   return GetAnnotHandler(pAnnot->GetAnnotSubtype());