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authorLei Zhang <thestig@chromium.org>2018-04-19 20:55:54 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-04-19 20:55:54 +0000
commitee96772e0878fa385b9a4a736a2fc109e19fd01e (patch)
treedef5fed9024c0aef25d7d1f81729b6f0a6687179 /fpdfsdk/ipdfsdk_annothandler.h
parentc84ea8eda5a53229cf1faaed7cb54013b9ea18c3 (diff)
downloadpdfium-ee96772e0878fa385b9a4a736a2fc109e19fd01e.tar.xz
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>
Diffstat (limited to 'fpdfsdk/ipdfsdk_annothandler.h')
-rw-r--r--fpdfsdk/ipdfsdk_annothandler.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fpdfsdk/ipdfsdk_annothandler.h b/fpdfsdk/ipdfsdk_annothandler.h
index 91fd5ceee8..1476089253 100644
--- a/fpdfsdk/ipdfsdk_annothandler.h
+++ b/fpdfsdk/ipdfsdk_annothandler.h
@@ -39,6 +39,10 @@ class IPDFSDK_AnnotHandler {
virtual WideString GetSelectedText(CPDFSDK_Annot* pAnnot) = 0;
virtual void ReplaceSelection(CPDFSDK_Annot* pAnnot,
const WideString& text) = 0;
+ virtual bool CanUndo(CPDFSDK_Annot* pAnnot) = 0;
+ virtual bool CanRedo(CPDFSDK_Annot* pAnnot) = 0;
+ virtual bool Undo(CPDFSDK_Annot* pAnnot) = 0;
+ virtual bool Redo(CPDFSDK_Annot* pAnnot) = 0;
virtual bool HitTest(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
const CFX_PointF& point) = 0;