diff options
Diffstat (limited to 'printing')
| -rw-r--r-- | printing/printing_context_mac.mm | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/printing/printing_context_mac.mm b/printing/printing_context_mac.mm index a8e4fa0..599fa78 100644 --- a/printing/printing_context_mac.mm +++ b/printing/printing_context_mac.mm @@ -9,6 +9,8 @@ #include "base/logging.h" #include "base/mac/scoped_cftyperef.h" +#include "base/mac/scoped_nsautorelease_pool.h" +#include "base/mac/scoped_nsexception_enabler.h" #include "base/sys_string_conversions.h" #include "base/values.h" #include "printing/print_settings_initializer_mac.h" @@ -36,6 +38,15 @@ void PrintingContextMac::AskUserForSettings(gfx::NativeView parent_view, int max_pages, bool has_selection, PrintSettingsCallback* callback) { + // Third-party print drivers seem to be an area prone to raising exceptions. + // This will allow exceptions to be raised, but does not handle them. The + // NSPrintPanel appears to have appropriate NSException handlers. + base::mac::ScopedNSExceptionEnabler enabler; + + // Exceptions can also happen when the NSPrintPanel is being + // deallocated, so it must be autoreleased within this scope. + base::mac::ScopedNSAutoreleasePool pool; + DCHECK([NSThread isMainThread]); // We deliberately don't feed max_pages into the dialog, because setting |