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Bug 911146 - Add nsIAppStartup attribute to tell whether the app was restarted; r=bsmedberg

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This commit is contained in:
Tim Taubert 2013-09-11 03:40:45 +02:00
parent b494b019f2
commit e25193c0d2
3 changed files with 24 additions and 4 deletions
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16
toolkit/components/startup/nsAppStartup.cpp
View File

@ -363,6 +363,9 @@ nsAppStartup::Quit(uint32_t aMode)
}
if (mRestart) {
// Mark the next startup as a restart.
PR_SetEnv("MOZ_APP_RESTART=1");
/* Firefox-restarts reuse the process so regular process start-time isn't
a useful indicator of startup time anymore. */
TimeStamp::RecordProcessRestart();
@ -522,6 +525,19 @@ nsAppStartup::GetRestarting(bool *aResult)
return NS_OK;
}
NS_IMETHODIMP
nsAppStartup::GetWasRestarted(bool *aResult)
{
char *mozAppRestart = PR_GetEnv("MOZ_APP_RESTART");
/* When calling PR_SetEnv() with an empty value the existing variable may
* be unset or set to the empty string depending on the underlying platform
* thus we have to check if the variable is present and not empty. */
*aResult = mozAppRestart && (strcmp(mozAppRestart, "") != 0);
return NS_OK;
}
NS_IMETHODIMP
nsAppStartup::SetInterrupted(bool aInterrupted)
{

8
toolkit/components/startup/public/nsIAppStartup.idl
View File

@ -7,7 +7,7 @@
interface nsICmdLineService;
[scriptable, uuid(380618f8-479a-435b-b58e-7398ab937531)]
[scriptable, uuid(744d6ec0-115f-11e3-9c94-68fd99890b3c)]
interface nsIAppStartup : nsISupports
{
/**
@ -140,6 +140,12 @@ interface nsIAppStartup : nsISupports
*/
readonly attribute boolean restarting;
/**
* True if this is the startup following restart, i.e. if the application
* was restarted using quit(eRestart*).
*/
readonly attribute boolean wasRestarted;
/**
* Returns an object with main, process, firstPaint, sessionRestored properties.
* Properties may not be available depending on platform or application

4
xpcom/ds/TimeStamp.cpp
View File

@ -30,9 +30,8 @@ TimeStamp::ProcessCreation(bool& aIsInconsistent)
* thus we have to check if the variable is present and not empty. */
if (mozAppRestart && (strcmp(mozAppRestart, "") != 0)) {
/* Firefox was restarted, use the first time-stamp we've taken as the new
* process startup time and unset MOZ_APP_RESTART. */
* process startup time. */
ts = sFirstTimeStamp;
PR_SetEnv("MOZ_APP_RESTART=");
} else {
TimeStamp now = Now();
uint64_t uptime = ComputeProcessUptime();
@ -57,7 +56,6 @@ TimeStamp::ProcessCreation(bool& aIsInconsistent)
void
TimeStamp::RecordProcessRestart()
{
PR_SetEnv("MOZ_APP_RESTART=1");
sProcessCreation = TimeStamp();
}