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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef ClassicPendingScript_h | |
| 6 #define ClassicPendingScript_h | |
| 7 | |
| 8 #include "core/dom/ClassicScript.h" | |
| 9 #include "core/dom/PendingScript.h" | |
| 10 #include "core/loader/resource/ScriptResource.h" | |
| 11 #include "platform/MemoryCoordinator.h" | |
| 12 #include "platform/loader/fetch/ResourceOwner.h" | |
| 13 | |
| 14 namespace blink { | |
| 15 | |
| 16 // PendingScript for a classic script | |
| 17 // https://html.spec.whatwg.org/#classic-script. | |
| 18 // | |
| 19 // TODO(kochi): The comment below is from pre-oilpan age and may not be correct | |
| 20 // now. | |
| 21 // A RefPtr alone does not prevent the underlying Resource from purging its data | |
| 22 // buffer. This class holds a dummy client open for its lifetime in order to | |
| 23 // guarantee that the data buffer will not be purged. | |
| 24 class CORE_EXPORT ClassicPendingScript final | |
| 25 : public PendingScript, | |
| 26 public ResourceOwner<ScriptResource>, | |
| 27 public MemoryCoordinatorClient { | |
| 28 USING_GARBAGE_COLLECTED_MIXIN(ClassicPendingScript); | |
| 29 | |
| 30 public: | |
| 31 // For script from an external file. | |
| 32 static ClassicPendingScript* Create(ScriptElementBase*, ScriptResource*); | |
| 33 // For inline script. | |
| 34 static ClassicPendingScript* Create(ScriptElementBase*, const TextPosition&); | |
| 35 | |
| 36 static ClassicPendingScript* CreateForTesting(ScriptResource*); | |
| 37 | |
| 38 ~ClassicPendingScript() override; | |
| 39 | |
| 40 void SetStreamer(ScriptStreamer*); | |
| 41 void StreamingFinished(); | |
| 42 | |
| 43 DECLARE_TRACE(); | |
| 44 | |
| 45 blink::ScriptType GetScriptType() const override { | |
| 46 return blink::ScriptType::kClassic; | |
| 47 } | |
| 48 | |
| 49 ClassicScript* GetSource(const KURL& document_url, | |
| 50 bool& error_occurred) const override; | |
| 51 bool IsReady() const override; | |
| 52 KURL Url() const override; | |
| 53 bool IsExternal() const override { return GetResource(); } | |
| 54 bool ErrorOccurred() const override; | |
| 55 bool WasCanceled() const override; | |
| 56 void StartStreamingIfPossible(Document*, ScriptStreamer::Type) override; | |
| 57 void RemoveFromMemoryCache() override; | |
| 58 void DisposeInternal() override; | |
| 59 | |
| 60 private: | |
| 61 ClassicPendingScript(ScriptElementBase*, | |
| 62 ScriptResource*, | |
| 63 const TextPosition&, | |
| 64 bool is_for_testing = false); | |
| 65 ClassicPendingScript() = delete; | |
| 66 | |
| 67 void CheckState() const override; | |
| 68 | |
| 69 // ScriptResourceClient | |
| 70 void NotifyFinished(Resource*) override; | |
| 71 String DebugName() const override { return "PendingScript"; } | |
| 72 void NotifyAppendData(ScriptResource*) override; | |
| 73 | |
| 74 // MemoryCoordinatorClient | |
| 75 void OnPurgeMemory() override; | |
| 76 | |
| 77 bool integrity_failure_; | |
| 78 | |
| 79 Member<ScriptStreamer> streamer_; | |
| 80 | |
| 81 // This flag is used to skip non-null checks of |m_element| in unit | |
| 82 // tests, because |m_element| can be null in unit tests. | |
| 83 const bool is_for_testing_; | |
| 84 }; | |
| 85 | |
| 86 } // namespace blink | |
| 87 | |
| 88 #endif // PendingScript_h | |
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Chromium Code Reviews
Issue 2820753002:
Revert of Split PendingScript into PendingScript and ClassicPendingScript (Closed)
