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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * Copyright (C) 2004, 2009 Apple Inc. All rights reserved. | 4 * Copyright (C) 2004, 2009 Apple Inc. All rights reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
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37 class IncrementLoadEventDelayCount; | 37 class IncrementLoadEventDelayCount; |
38 class FetchRequest; | 38 class FetchRequest; |
39 class Document; | 39 class Document; |
40 class Element; | 40 class Element; |
41 class ImageLoader; | 41 class ImageLoader; |
42 class LayoutImageResource; | 42 class LayoutImageResource; |
43 | 43 |
44 template<typename T> class EventSender; | 44 template<typename T> class EventSender; |
45 using ImageEventSender = EventSender<ImageLoader>; | 45 using ImageEventSender = EventSender<ImageLoader>; |
46 | 46 |
47 class CORE_EXPORT ImageLoader : public GarbageCollectedFinalized<ImageLoader>, p
ublic ResourceClient, public ImageResourceObserver { | 47 class CORE_EXPORT ImageLoader : public GarbageCollectedFinalized<ImageLoader>, p
ublic ImageResourceObserver { |
48 USING_PRE_FINALIZER(ImageLoader, dispose); | 48 USING_PRE_FINALIZER(ImageLoader, dispose); |
49 public: | 49 public: |
50 explicit ImageLoader(Element*); | 50 explicit ImageLoader(Element*); |
51 ~ImageLoader() override; | 51 ~ImageLoader() override; |
52 | 52 |
53 DECLARE_TRACE(); | 53 DECLARE_TRACE(); |
54 | 54 |
55 enum UpdateFromElementBehavior { | 55 enum UpdateFromElementBehavior { |
56 // This should be the update behavior when the element is attached to a
document, or when DOM mutations trigger a new load. | 56 // This should be the update behavior when the element is attached to a
document, or when DOM mutations trigger a new load. |
57 // Starts loading if a load hasn't already been started. | 57 // Starts loading if a load hasn't already been started. |
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96 return m_hasPendingErrorEvent; | 96 return m_hasPendingErrorEvent; |
97 } | 97 } |
98 | 98 |
99 void dispatchPendingEvent(ImageEventSender*); | 99 void dispatchPendingEvent(ImageEventSender*); |
100 | 100 |
101 static void dispatchPendingLoadEvents(); | 101 static void dispatchPendingLoadEvents(); |
102 static void dispatchPendingErrorEvents(); | 102 static void dispatchPendingErrorEvents(); |
103 | 103 |
104 bool getImageAnimationPolicy(ImageAnimationPolicy&) final; | 104 bool getImageAnimationPolicy(ImageAnimationPolicy&) final; |
105 protected: | 105 protected: |
106 void notifyFinished(Resource*) override; | 106 void imageNotifyFinished(ImageResource*) override; |
107 | 107 |
108 private: | 108 private: |
109 class Task; | 109 class Task; |
110 | 110 |
111 // Called from the task or from updateFromElement to initiate the load. | 111 // Called from the task or from updateFromElement to initiate the load. |
112 void doUpdateFromElement(BypassMainWorldBehavior, UpdateFromElementBehavior,
ReferrerPolicy = ReferrerPolicyDefault); | 112 void doUpdateFromElement(BypassMainWorldBehavior, UpdateFromElementBehavior,
ReferrerPolicy = ReferrerPolicyDefault); |
113 | 113 |
114 virtual void dispatchLoadEvent() = 0; | 114 virtual void dispatchLoadEvent() = 0; |
115 virtual void noImageResourceToLoad() { } | 115 virtual void noImageResourceToLoad() { } |
116 | 116 |
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158 bool m_hasPendingErrorEvent : 1; | 158 bool m_hasPendingErrorEvent : 1; |
159 bool m_imageComplete : 1; | 159 bool m_imageComplete : 1; |
160 bool m_loadingImageDocument : 1; | 160 bool m_loadingImageDocument : 1; |
161 bool m_elementIsProtected : 1; | 161 bool m_elementIsProtected : 1; |
162 bool m_suppressErrorEvents : 1; | 162 bool m_suppressErrorEvents : 1; |
163 }; | 163 }; |
164 | 164 |
165 } // namespace blink | 165 } // namespace blink |
166 | 166 |
167 #endif | 167 #endif |
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