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-rw-r--r--WebCore/platform/FileChooser.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/WebCore/platform/FileChooser.cpp b/WebCore/platform/FileChooser.cpp
index 1aeefb9..739181d 100644
--- a/WebCore/platform/FileChooser.cpp
+++ b/WebCore/platform/FileChooser.cpp
@@ -72,6 +72,8 @@ void FileChooser::chooseFile(const String& filename)
void FileChooser::chooseFiles(const Vector<String>& filenames)
{
+ if (m_filenames == filenames)
+ return;
m_filenames = filenames;
m_icon = chooseIcon(filenames);
if (m_client)
@@ -85,6 +87,8 @@ PassRefPtr<Icon> FileChooser::chooseIcon(const String& filename)
PassRefPtr<Icon> FileChooser::chooseIcon(Vector<String> filenames)
{
+ if (filenames.isEmpty())
+ return 0;
if (filenames.size() == 1)
return Icon::createIconForFile(filenames[0]);
return Icon::createIconForFiles(filenames);