The Tor Browser / file comparison
comparison: layout/xul/nsRepeatService.cpp
layout/xul/nsRepeatService.cpp
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
equal
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replaced
| -1:000000000000 | 0:6733c99983f0 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 // | |
| 7 // Eric Vaughan | |
| 8 // Netscape Communications | |
| 9 // | |
| 10 // See documentation in associated header file | |
| 11 // | |
| 12 | |
| 13 #include "nsRepeatService.h" | |
| 14 #include "nsIServiceManager.h" | |
| 15 | |
| 16 nsRepeatService* nsRepeatService::gInstance = nullptr; | |
| 17 | |
| 18 nsRepeatService::nsRepeatService() | |
| 19 : mCallback(nullptr), mCallbackData(nullptr) | |
| 20 { | |
| 21 } | |
| 22 | |
| 23 nsRepeatService::~nsRepeatService() | |
| 24 { | |
| 25 NS_ASSERTION(!mCallback && !mCallbackData, "Callback was not removed before shutdown"); | |
| 26 } | |
| 27 | |
| 28 nsRepeatService* | |
| 29 nsRepeatService::GetInstance() | |
| 30 { | |
| 31 if (!gInstance) { | |
| 32 gInstance = new nsRepeatService(); | |
| 33 NS_IF_ADDREF(gInstance); | |
| 34 } | |
| 35 return gInstance; | |
| 36 } | |
| 37 | |
| 38 /*static*/ void | |
| 39 nsRepeatService::Shutdown() | |
| 40 { | |
| 41 NS_IF_RELEASE(gInstance); | |
| 42 } | |
| 43 | |
| 44 void nsRepeatService::Start(Callback aCallback, void* aCallbackData, | |
| 45 uint32_t aInitialDelay) | |
| 46 { | |
| 47 NS_PRECONDITION(aCallback != nullptr, "null ptr"); | |
| 48 | |
| 49 mCallback = aCallback; | |
| 50 mCallbackData = aCallbackData; | |
| 51 nsresult rv; | |
| 52 mRepeatTimer = do_CreateInstance("@mozilla.org/timer;1", &rv); | |
| 53 | |
| 54 if (NS_SUCCEEDED(rv)) { | |
| 55 mRepeatTimer->InitWithCallback(this, aInitialDelay, nsITimer::TYPE_ONE_SHOT); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 void nsRepeatService::Stop(Callback aCallback, void* aCallbackData) | |
| 60 { | |
| 61 if (mCallback != aCallback || mCallbackData != aCallbackData) | |
| 62 return; | |
| 63 | |
| 64 //printf("Stopping repeat timer\n"); | |
| 65 if (mRepeatTimer) { | |
| 66 mRepeatTimer->Cancel(); | |
| 67 mRepeatTimer = nullptr; | |
| 68 } | |
| 69 mCallback = nullptr; | |
| 70 mCallbackData = nullptr; | |
| 71 } | |
| 72 | |
| 73 NS_IMETHODIMP nsRepeatService::Notify(nsITimer *timer) | |
| 74 { | |
| 75 // do callback | |
| 76 if (mCallback) | |
| 77 mCallback(mCallbackData); | |
| 78 | |
| 79 // start timer again. | |
| 80 if (mRepeatTimer) { | |
| 81 mRepeatTimer->InitWithCallback(this, REPEAT_DELAY, nsITimer::TYPE_ONE_SHOT); | |
| 82 } | |
| 83 return NS_OK; | |
| 84 } | |
| 85 | |
| 86 NS_IMPL_ISUPPORTS(nsRepeatService, nsITimerCallback) |
