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Bug 1263176 - get appropriate description on Windows 8/10 for apps/filetypes delegated via TWINUI / Windows Storage types, r=emk,mhowell

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Differential Revision: https://phabricator.services.mozilla.com/D53370

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Gijs Kruitbosch 2019-11-19 16:19:17 +00:00
parent 29923b25c3
commit 82def0e31f
1 changed files with 13 additions and 3 deletions
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16
uriloader/exthandler/win/nsOSHelperAppService.cpp
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@ -27,6 +27,10 @@
#define LOG(args) MOZ_LOG(mLog, mozilla::LogLevel::Debug, args)
#ifdef __MINGW32__
# define ASSOCF_NONE 0x0
#endif
// helper methods: forward declarations...
static nsresult GetExtensionFromWindowsMimeDatabase(const nsACString& aMimeType,
nsString& aFileExtension);
@ -300,11 +304,17 @@ nsresult nsOSHelperAppService::GetDefaultAppInfo(
nsCOMPtr<nsILocalFileWin> lf = new nsLocalFile();
rv = lf->InitWithCommandLine(handlerCommand);
NS_ENSURE_SUCCESS(rv, rv);
// The "FileDescription" field contains the actual name of the application.
lf->GetVersionInfoField("FileDescription", aDefaultDescription);
lf.forget(aDefaultApplication);
wchar_t friendlyName[1024];
DWORD friendlyNameSize = 1024;
HRESULT hr = AssocQueryString(ASSOCF_NONE, ASSOCSTR_FRIENDLYAPPNAME,
PromiseFlatString(aAppInfo).get(), NULL,
friendlyName, &friendlyNameSize);
if (SUCCEEDED(hr) && friendlyNameSize > 1) {
aDefaultDescription.Assign(friendlyName, friendlyNameSize - 1);
}
return NS_OK;
}