зеркало из https://github.com/mozilla/gecko-dev.git
Bug 668157 part.1 Add Preferences::GetType() and Preferences::GetDefaultType() r=roc
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@ -237,6 +237,11 @@ public:
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*/
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static bool HasUserValue(const char* aPref);
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/**
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* Gets the type of the pref.
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*/
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static PRInt32 GetType(const char* aPref);
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/**
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* Adds/Removes the observer for the root pref branch.
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* The observer is referenced strongly if AddStrongObserver is used. On the
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@ -343,6 +348,11 @@ public:
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static nsresult GetDefaultComplex(const char* aPref, const nsIID &aType,
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void** aResult);
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/**
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* Gets the type of the pref.
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*/
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static PRInt32 GetDefaultType(const char* aPref);
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// Used to synchronise preferences between chrome and content processes.
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static void MirrorPreferences(nsTArray<PrefTuple,
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nsTArrayInfallibleAllocator> *aArray);
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@ -1328,6 +1328,16 @@ Preferences::HasUserValue(const char* aPref)
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return PREF_HasUserPref(aPref);
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}
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// static
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PRInt32
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Preferences::GetType(const char* aPref)
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{
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NS_ENSURE_TRUE(InitStaticMembers(), nsIPrefBranch::PREF_INVALID);
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PRInt32 result;
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return NS_SUCCEEDED(sRootBranch->GetPrefType(aPref, &result)) ?
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result : nsIPrefBranch::PREF_INVALID;
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}
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// static
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nsresult
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Preferences::AddStrongObserver(nsIObserver* aObserver,
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@ -1640,4 +1650,14 @@ Preferences::GetDefaultComplex(const char* aPref, const nsIID &aType,
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return sDefaultRootBranch->GetComplexValue(aPref, aType, aResult);
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}
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// static
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PRInt32
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Preferences::GetDefaultType(const char* aPref)
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{
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NS_ENSURE_TRUE(InitStaticMembers(), nsIPrefBranch::PREF_INVALID);
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PRInt32 result;
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return NS_SUCCEEDED(sDefaultRootBranch->GetPrefType(aPref, &result)) ?
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result : nsIPrefBranch::PREF_INVALID;
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}
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} // namespace mozilla
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