Bug 846365 - Add proper handling for background session closes in Firefox for Metro. r=jimm

This commit is contained in:
Brian R. Bondy 2013-03-24 19:10:46 -04:00
parent 85eb879a48
commit 283bc4b2ff
3 changed files with 46 additions and 6 deletions

View File

@ -191,6 +191,10 @@ static int do_main(int argc, char* argv[], nsIFile *xreDirectory)
argv[1] = argv[0];
argv++;
argc--;
} else if (IsArg(argv[1], "BackgroundSessionClosed")) {
// This command line flag is used for indirect shutdowns, the OS
// relaunches Metro Firefox with this command line arg.
mainFlags = XRE_MAIN_FLAG_USE_METRO;
} else {
// This command-line flag is used to test the metro browser in a desktop
// environment.

View File

@ -4028,7 +4028,7 @@ static XREMain* xreMainPtr;
// must be called by the thread we want as the main thread
nsresult
XRE_metroStartup()
XRE_metroStartup(bool runXREMain)
{
nsresult rv;
@ -4044,8 +4044,10 @@ XRE_metroStartup()
rv = xreMainPtr->mScopedXPCom->Initialize();
NS_ENSURE_SUCCESS(rv, rv);
rv = xreMainPtr->XRE_mainRun();
NS_ENSURE_SUCCESS(rv, rv);
if (runXREMain) {
rv = xreMainPtr->XRE_mainRun();
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}

View File

@ -11,6 +11,8 @@
#include "MetroAppShell.h"
#include "nsICommandLineRunner.h"
#include "FrameworkView.h"
#include "nsAppDirectoryServiceDefs.h"
#include <shellapi.h>
using namespace ABI::Windows::ApplicationModel;
using namespace ABI::Windows::ApplicationModel::Core;
@ -22,7 +24,7 @@ using namespace Microsoft::WRL::Wrappers;
// Metro specific XRE methods we call from here on an
// appropriate thread.
extern nsresult XRE_metroStartup();
extern nsresult XRE_metroStartup(bool runXREMain);
extern void XRE_metroShutdown();
#ifdef PR_LOGGING
@ -68,7 +70,7 @@ MetroApp::Initialize()
if (!xpcomInit) {
xpcomInit = true;
Log(L"XPCOM startup initialization began");
nsresult rv = XRE_metroStartup();
nsresult rv = XRE_metroStartup(true);
Log(L"XPCOM startup initialization complete");
if (NS_FAILED(rv)) {
Log(L"XPCOM startup initialization failed, bailing. rv=%X", rv);
@ -195,6 +197,17 @@ MetroApp::PostSleepWakeNotification(const bool aIsSleep)
} } }
static bool
IsBackgroundSessionClosedStartup()
{
int argc;
LPWSTR *argv = CommandLineToArgvW(GetCommandLineW(), &argc);
bool backgroundSessionClosed = argc > 1 && !wcsicmp(argv[1], L"-BackgroundSessionClosed");
LocalFree(argv);
return backgroundSessionClosed;
}
bool
XRE_MetroCoreApplicationRun()
{
@ -219,7 +232,28 @@ XRE_MetroCoreApplicationRun()
}
sFrameworkView = Make<FrameworkView>(sMetroApp.Get());
sCoreApp->Run(sMetroApp.Get());
// Perform any cleanup for unclean shutdowns here, such as when the background session
// is closed via the appbar on the left when outside of Metro. Windows restarts the
// process solely for cleanup reasons.
if (IsBackgroundSessionClosedStartup() && SUCCEEDED(XRE_metroStartup(false))) {
// Whether or not to use sessionstore depends on if the bak exists. Since host process
// shutdown isn't a crash we shouldn't restore sessionstore.
nsCOMPtr<nsIFile> sessionBAK;
if (NS_FAILED(NS_GetSpecialDirectory("ProfDS", getter_AddRefs(sessionBAK)))) {
return false;
}
sessionBAK->AppendNative(nsDependentCString("sessionstore.bak"));
bool exists;
if (NS_SUCCEEDED(sessionBAK->Exists(&exists)) && exists) {
sessionBAK->Remove(false);
}
return false;
}
hr = sCoreApp->Run(sMetroApp.Get());
Log(L"Exiting CoreApplication::Run");