/src/mozilla-central/image/ScriptedNotificationObserver.cpp
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1 | | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
2 | | * |
3 | | * This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #include "ScriptedNotificationObserver.h" |
8 | | #include "imgIScriptedNotificationObserver.h" |
9 | | #include "nsCycleCollectionParticipant.h" |
10 | | #include "nsContentUtils.h" // for nsAutoScriptBlocker |
11 | | |
12 | | namespace mozilla { |
13 | | namespace image { |
14 | | |
15 | | NS_IMPL_CYCLE_COLLECTION(ScriptedNotificationObserver, mInner) |
16 | | |
17 | 0 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ScriptedNotificationObserver) |
18 | 0 | NS_INTERFACE_MAP_ENTRY(imgINotificationObserver) |
19 | 0 | NS_INTERFACE_MAP_ENTRY(nsISupports) |
20 | 0 | NS_INTERFACE_MAP_END |
21 | | |
22 | | NS_IMPL_CYCLE_COLLECTING_ADDREF(ScriptedNotificationObserver) |
23 | | NS_IMPL_CYCLE_COLLECTING_RELEASE(ScriptedNotificationObserver) |
24 | | |
25 | | ScriptedNotificationObserver::ScriptedNotificationObserver( |
26 | | imgIScriptedNotificationObserver* aInner) |
27 | | : mInner(aInner) |
28 | 0 | { } |
29 | | |
30 | | NS_IMETHODIMP |
31 | | ScriptedNotificationObserver::Notify(imgIRequest* aRequest, |
32 | | int32_t aType, |
33 | | const nsIntRect* /*aUnused*/) |
34 | 0 | { |
35 | 0 | // For now, we block (other) scripts from running to preserve the historical |
36 | 0 | // behavior from when ScriptedNotificationObserver::Notify was called as part |
37 | 0 | // of the observers list in nsImageLoadingContent::Notify. Now each |
38 | 0 | // ScriptedNotificationObserver has its own imgRequestProxy and thus gets |
39 | 0 | // Notify called directly by imagelib. |
40 | 0 | nsAutoScriptBlocker scriptBlocker; |
41 | 0 |
|
42 | 0 | if (aType == imgINotificationObserver::SIZE_AVAILABLE) { |
43 | 0 | return mInner->SizeAvailable(aRequest); |
44 | 0 | } |
45 | 0 | if (aType == imgINotificationObserver::FRAME_UPDATE) { |
46 | 0 | return mInner->FrameUpdate(aRequest); |
47 | 0 | } |
48 | 0 | if (aType == imgINotificationObserver::FRAME_COMPLETE) { |
49 | 0 | return mInner->FrameComplete(aRequest); |
50 | 0 | } |
51 | 0 | if (aType == imgINotificationObserver::DECODE_COMPLETE) { |
52 | 0 | return mInner->DecodeComplete(aRequest); |
53 | 0 | } |
54 | 0 | if (aType == imgINotificationObserver::LOAD_COMPLETE) { |
55 | 0 | return mInner->LoadComplete(aRequest); |
56 | 0 | } |
57 | 0 | if (aType == imgINotificationObserver::DISCARD) { |
58 | 0 | return mInner->Discard(aRequest); |
59 | 0 | } |
60 | 0 | if (aType == imgINotificationObserver::IS_ANIMATED) { |
61 | 0 | return mInner->IsAnimated(aRequest); |
62 | 0 | } |
63 | 0 | if (aType == imgINotificationObserver::HAS_TRANSPARENCY) { |
64 | 0 | return mInner->HasTransparency(aRequest); |
65 | 0 | } |
66 | 0 | return NS_OK; |
67 | 0 | } |
68 | | |
69 | | } // namespace image |
70 | | } // namespace mozilla |