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comparison: xpcom/base/nsInterfaceRequestorAgg.cpp
xpcom/base/nsInterfaceRequestorAgg.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:f373a634891a |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "nsInterfaceRequestorAgg.h" | |
| 6 #include "nsIInterfaceRequestor.h" | |
| 7 #include "nsCOMPtr.h" | |
| 8 #include "mozilla/Attributes.h" | |
| 9 #include "nsThreadUtils.h" | |
| 10 #include "nsProxyRelease.h" | |
| 11 | |
| 12 class nsInterfaceRequestorAgg MOZ_FINAL : public nsIInterfaceRequestor | |
| 13 { | |
| 14 public: | |
| 15 // XXX This needs to support threadsafe refcounting until we fix bug 243591. | |
| 16 NS_DECL_THREADSAFE_ISUPPORTS | |
| 17 NS_DECL_NSIINTERFACEREQUESTOR | |
| 18 | |
| 19 nsInterfaceRequestorAgg(nsIInterfaceRequestor *aFirst, | |
| 20 nsIInterfaceRequestor *aSecond, | |
| 21 nsIEventTarget *aConsumerTarget = nullptr) | |
| 22 : mFirst(aFirst) | |
| 23 , mSecond(aSecond) | |
| 24 , mConsumerTarget(aConsumerTarget) | |
| 25 { | |
| 26 if (!mConsumerTarget) { | |
| 27 mConsumerTarget = NS_GetCurrentThread(); | |
| 28 } | |
| 29 } | |
| 30 ~nsInterfaceRequestorAgg(); | |
| 31 | |
| 32 private: | |
| 33 nsCOMPtr<nsIInterfaceRequestor> mFirst, mSecond; | |
| 34 nsCOMPtr<nsIEventTarget> mConsumerTarget; | |
| 35 }; | |
| 36 | |
| 37 NS_IMPL_ISUPPORTS(nsInterfaceRequestorAgg, nsIInterfaceRequestor) | |
| 38 | |
| 39 NS_IMETHODIMP | |
| 40 nsInterfaceRequestorAgg::GetInterface(const nsIID &aIID, void **aResult) | |
| 41 { | |
| 42 nsresult rv = NS_ERROR_NO_INTERFACE; | |
| 43 if (mFirst) | |
| 44 rv = mFirst->GetInterface(aIID, aResult); | |
| 45 if (mSecond && NS_FAILED(rv)) | |
| 46 rv = mSecond->GetInterface(aIID, aResult); | |
| 47 return rv; | |
| 48 } | |
| 49 | |
| 50 nsInterfaceRequestorAgg::~nsInterfaceRequestorAgg() | |
| 51 { | |
| 52 nsIInterfaceRequestor* iir = nullptr; | |
| 53 mFirst.swap(iir); | |
| 54 if (iir) { | |
| 55 NS_ProxyRelease(mConsumerTarget, iir); | |
| 56 } | |
| 57 iir = nullptr; | |
| 58 mSecond.swap(iir); | |
| 59 if (iir) { | |
| 60 NS_ProxyRelease(mConsumerTarget, iir); | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 nsresult | |
| 65 NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst, | |
| 66 nsIInterfaceRequestor *aSecond, | |
| 67 nsIInterfaceRequestor **aResult) | |
| 68 { | |
| 69 *aResult = new nsInterfaceRequestorAgg(aFirst, aSecond); | |
| 70 if (!*aResult) | |
| 71 return NS_ERROR_OUT_OF_MEMORY; | |
| 72 NS_ADDREF(*aResult); | |
| 73 return NS_OK; | |
| 74 } | |
| 75 | |
| 76 nsresult | |
| 77 NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst, | |
| 78 nsIInterfaceRequestor *aSecond, | |
| 79 nsIEventTarget* aTarget, | |
| 80 nsIInterfaceRequestor **aResult) | |
| 81 { | |
| 82 *aResult = new nsInterfaceRequestorAgg(aFirst, aSecond, aTarget); | |
| 83 if (!*aResult) | |
| 84 return NS_ERROR_OUT_OF_MEMORY; | |
| 85 NS_ADDREF(*aResult); | |
| 86 return NS_OK; | |
| 87 } |
