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Unified Diff: fpdfsdk/src/fsdk_mgr.cpp

Issue 594403003: Lock page in LoadFXAnnot to prevent unintended page closing (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: remove white space Created 6 years, 3 months ago
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Index: fpdfsdk/src/fsdk_mgr.cpp
diff --git a/fpdfsdk/src/fsdk_mgr.cpp b/fpdfsdk/src/fsdk_mgr.cpp
index 52173b4c96a29269489979adb901a4e493a05aec..efb21a7efce13f8cd1c866fa1736cf8aa25c2207 100644
--- a/fpdfsdk/src/fsdk_mgr.cpp
+++ b/fpdfsdk/src/fsdk_mgr.cpp
@@ -332,7 +332,14 @@ CPDFSDK_Document::CPDFSDK_Document(CPDF_Document* pDoc,CPDFDoc_Environment* pEnv
CPDFSDK_Document::~CPDFSDK_Document()
{
- m_pageMap.RemoveAll();
+ FX_POSITION pos = m_pageMap.GetStartPosition();
+ while (pos) {
+ CPDF_Page* pPage = NULL;
+ CPDFSDK_PageView* pPageView = NULL;
+ m_pageMap.GetNextAssoc(pos, pPage, pPageView);
+ delete pPageView;
+ }
+ m_pageMap.RemoveAll();
if(m_pInterForm)
{
m_pInterForm->Destroy();
@@ -453,7 +460,7 @@ CPDF_OCContext* CPDFSDK_Document::GetOCContext()
void CPDFSDK_Document::ReMovePageView(CPDF_Page* pPDFPage)
{
CPDFSDK_PageView* pPageView = (CPDFSDK_PageView*)m_pageMap.GetValueAt(pPDFPage);
- if(pPageView)
+ if(pPageView && !pPageView->IsLocked())
{
delete pPageView;
m_pageMap.RemoveKey(pPDFPage);
@@ -608,7 +615,7 @@ CPDFSDK_PageView::CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc,CPDF_Page* page):m_
CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm();
pPDFInterForm->FixPageFields(page);
}
-
+ m_page->SetPrivateData((FX_LPVOID)m_page, (FX_LPVOID)this, NULL);
m_fxAnnotArray.RemoveAll();
m_bEnterWidget = FALSE;
@@ -616,12 +623,15 @@ CPDFSDK_PageView::CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc,CPDF_Page* page):m_
m_bOnWidget = FALSE;
m_CaptureWidget = NULL;
m_bValid = FALSE;
+ m_bLocked = FALSE;
+ m_bTakeOverPage = FALSE;
}
CPDFSDK_PageView::~CPDFSDK_PageView()
{
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
int nAnnotCount = m_fxAnnotArray.GetSize();
+
for (int i=0; i<nAnnotCount; i++)
{
CPDFSDK_Annot* pAnnot = (CPDFSDK_Annot*)m_fxAnnotArray.GetAt(i);
@@ -638,6 +648,10 @@ CPDFSDK_PageView::~CPDFSDK_PageView()
delete m_pAnnotList;
m_pAnnotList = NULL;
}
+ m_page->RemovePrivateData((FX_LPVOID)m_page);
+ if(m_bTakeOverPage) {
+ delete m_page;
+ }
}
void CPDFSDK_PageView::PageView_OnDraw(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,CPDF_RenderOptions* pOptions)
@@ -972,6 +986,7 @@ void CPDFSDK_PageView::LoadFXAnnots()
m_pAnnotList = new CPDF_AnnotList(m_page);
CPDF_InterForm::EnableUpdateAP(enableAPUpdate);
int nCount = m_pAnnotList->Count();
+ SetLock(TRUE);
for(int i=0; i<nCount; i++)
{
CPDF_Annot* pPDFAnnot = m_pAnnotList->GetAt(i);
@@ -981,6 +996,7 @@ void CPDFSDK_PageView::LoadFXAnnots()
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
ASSERT(pAnnotHandlerMgr != NULL);
+
if(pAnnotHandlerMgr)
{
CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pPDFAnnot, this);
@@ -992,6 +1008,7 @@ void CPDFSDK_PageView::LoadFXAnnots()
}
}
+ SetLock(FALSE);
}
void CPDFSDK_PageView::UpdateRects(CFX_RectArray& rects)
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