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authordsinclair <dsinclair@chromium.org>2016-09-08 14:03:52 -0700
committerCommit bot <commit-bot@chromium.org>2016-09-08 14:03:52 -0700
commitc2d0e29cd8fa24c9af0cc4f2a15f90096a5ca8e2 (patch)
tree85f6464d584f7cdfa202760b833181c5d0bbef35 /fpdfsdk
parent3451c0900cbbc06d82a07bca3670ac87ec36f52e (diff)
downloadpdfium-c2d0e29cd8fa24c9af0cc4f2a15f90096a5ca8e2.tar.xz
Fix CPDFSDK_PageView cleanup.
In https://pdfium.googlesource.com/pdfium/+/461eeafe191068ac8c32f2717907fc6a22a667d2 we moved the map cleanup for the page view to happen before the page view was destroyed and before we killed the annotation focus. The map removal must happen before the pageview is destroyed, but must happen after we've killed the annotation focus in order to not create duplicate page views which point to the same page. BUG=chromium:645122 Review-Url: https://codereview.chromium.org/2320253002
Diffstat (limited to 'fpdfsdk')
-rw-r--r--fpdfsdk/fsdk_mgr.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/fpdfsdk/fsdk_mgr.cpp b/fpdfsdk/fsdk_mgr.cpp
index eb3f51e97c..694e3154ce 100644
--- a/fpdfsdk/fsdk_mgr.cpp
+++ b/fpdfsdk/fsdk_mgr.cpp
@@ -361,11 +361,17 @@ void CPDFSDK_Document::RemovePageView(UnderlyingPageType* pUnderlyingPage) {
if (pPageView->IsLocked())
return;
+ // This must happen before we remove |pPageView| from the map because
+ // |KillFocusAnnotIfNeeded| can call into the |GetPage| method which will
+ // look for this page view in the map, if it doesn't find it a new one will
+ // be created. We then have two page views pointing to the same page and
+ // bad things happen.
+ pPageView->KillFocusAnnotIfNeeded();
+
// Remove the page from the map to make sure we don't accidentally attempt
// to use the |pPageView| while we're cleaning it up.
m_pageMap.erase(it);
- pPageView->KillFocusAnnotIfNeeded();
delete pPageView;
}