xpcom/base/nsInterfaceRequestorAgg.cpp@6474c204b198 (annotated)
xpcom/base/nsInterfaceRequestorAgg.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #include "nsInterfaceRequestorAgg.h" |
| michael@0 | 6 | #include "nsIInterfaceRequestor.h" |
| michael@0 | 7 | #include "nsCOMPtr.h" |
| michael@0 | 8 | #include "mozilla/Attributes.h" |
| michael@0 | 9 | #include "nsThreadUtils.h" |
| michael@0 | 10 | #include "nsProxyRelease.h" |
| michael@0 | 11 | |
| michael@0 | 12 | class nsInterfaceRequestorAgg MOZ_FINAL : public nsIInterfaceRequestor |
| michael@0 | 13 | { |
| michael@0 | 14 | public: |
| michael@0 | 15 | // XXX This needs to support threadsafe refcounting until we fix bug 243591. |
| michael@0 | 16 | NS_DECL_THREADSAFE_ISUPPORTS |
| michael@0 | 17 | NS_DECL_NSIINTERFACEREQUESTOR |
| michael@0 | 18 | |
| michael@0 | 19 | nsInterfaceRequestorAgg(nsIInterfaceRequestor *aFirst, |
| michael@0 | 20 | nsIInterfaceRequestor *aSecond, |
| michael@0 | 21 | nsIEventTarget *aConsumerTarget = nullptr) |
| michael@0 | 22 | : mFirst(aFirst) |
| michael@0 | 23 | , mSecond(aSecond) |
| michael@0 | 24 | , mConsumerTarget(aConsumerTarget) |
| michael@0 | 25 | { |
| michael@0 | 26 | if (!mConsumerTarget) { |
| michael@0 | 27 | mConsumerTarget = NS_GetCurrentThread(); |
| michael@0 | 28 | } |
| michael@0 | 29 | } |
| michael@0 | 30 | ~nsInterfaceRequestorAgg(); |
| michael@0 | 31 | |
| michael@0 | 32 | private: |
| michael@0 | 33 | nsCOMPtr<nsIInterfaceRequestor> mFirst, mSecond; |
| michael@0 | 34 | nsCOMPtr<nsIEventTarget> mConsumerTarget; |
| michael@0 | 35 | }; |
| michael@0 | 36 | |
| michael@0 | 37 | NS_IMPL_ISUPPORTS(nsInterfaceRequestorAgg, nsIInterfaceRequestor) |
| michael@0 | 38 | |
| michael@0 | 39 | NS_IMETHODIMP |
| michael@0 | 40 | nsInterfaceRequestorAgg::GetInterface(const nsIID &aIID, void **aResult) |
| michael@0 | 41 | { |
| michael@0 | 42 | nsresult rv = NS_ERROR_NO_INTERFACE; |
| michael@0 | 43 | if (mFirst) |
| michael@0 | 44 | rv = mFirst->GetInterface(aIID, aResult); |
| michael@0 | 45 | if (mSecond && NS_FAILED(rv)) |
| michael@0 | 46 | rv = mSecond->GetInterface(aIID, aResult); |
| michael@0 | 47 | return rv; |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | nsInterfaceRequestorAgg::~nsInterfaceRequestorAgg() |
| michael@0 | 51 | { |
| michael@0 | 52 | nsIInterfaceRequestor* iir = nullptr; |
| michael@0 | 53 | mFirst.swap(iir); |
| michael@0 | 54 | if (iir) { |
| michael@0 | 55 | NS_ProxyRelease(mConsumerTarget, iir); |
| michael@0 | 56 | } |
| michael@0 | 57 | iir = nullptr; |
| michael@0 | 58 | mSecond.swap(iir); |
| michael@0 | 59 | if (iir) { |
| michael@0 | 60 | NS_ProxyRelease(mConsumerTarget, iir); |
| michael@0 | 61 | } |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | nsresult |
| michael@0 | 65 | NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst, |
| michael@0 | 66 | nsIInterfaceRequestor *aSecond, |
| michael@0 | 67 | nsIInterfaceRequestor **aResult) |
| michael@0 | 68 | { |
| michael@0 | 69 | *aResult = new nsInterfaceRequestorAgg(aFirst, aSecond); |
| michael@0 | 70 | if (!*aResult) |
| michael@0 | 71 | return NS_ERROR_OUT_OF_MEMORY; |
| michael@0 | 72 | NS_ADDREF(*aResult); |
| michael@0 | 73 | return NS_OK; |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | nsresult |
| michael@0 | 77 | NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst, |
| michael@0 | 78 | nsIInterfaceRequestor *aSecond, |
| michael@0 | 79 | nsIEventTarget* aTarget, |
| michael@0 | 80 | nsIInterfaceRequestor **aResult) |
| michael@0 | 81 | { |
| michael@0 | 82 | *aResult = new nsInterfaceRequestorAgg(aFirst, aSecond, aTarget); |
| michael@0 | 83 | if (!*aResult) |
| michael@0 | 84 | return NS_ERROR_OUT_OF_MEMORY; |
| michael@0 | 85 | NS_ADDREF(*aResult); |
| michael@0 | 86 | return NS_OK; |
| michael@0 | 87 | } |
