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60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIAppStartupNotifier_h___
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#define nsIAppStartupNotifier_h___
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#include "nsIObserver.h"
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/*
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Some components need to be run at the startup of mozilla or embedding - to
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start new services etc.
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This interface provides a generic way to start up arbitrary components
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without requiring them to hack into main1() (or into NS_InitEmbedding) as
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it's currently being done for services such as wallet, command line handlers
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etc.
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We will have a category called "app-startup" which components register
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themselves in using the CategoryManager.
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Components can also (optionally) add the word "service," as a prefix
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to the "value" they pass in during a call to AddCategoryEntry() as
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shown below:
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categoryManager->AddCategoryEntry(APPSTARTUP_CATEGORY, "testcomp",
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"service," NS_WALLETSERVICE_CONTRACTID
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true, true,
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getter_Copies(previous));
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Presence of the "service" keyword indicates the components desire to
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be started as a service. When the "service" keyword is not present
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we just do a do_CreateInstance.
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When mozilla starts (and when NS_InitEmbedding()) is invoked
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we create an instance of the AppStartupNotifier component (which
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implements nsIObserver) and invoke its Observe() method.
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Observe() will enumerate the components registered into the
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APPSTARTUP_CATEGORY and notify them that startup has begun
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and release them.
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*/
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#define NS_APPSTARTUPNOTIFIER_CONTRACTID "@mozilla.org/embedcomp/appstartup-notifier;1"
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#define APPSTARTUP_CATEGORY "app-startup"
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#define APPSTARTUP_TOPIC "app-startup"
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/*
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Please note that there's not a new interface in this file.
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We're just leveraging nsIObserver instead of creating a
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new one
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This file exists solely to provide the defines above
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*/
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#endif /* nsIAppStartupNotifier_h___ */
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