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| 1 // Copyright 2016 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 ImageResourceInfo_h |
| 6 #define ImageResourceInfo_h |
| 7 |
| 8 #include "core/CoreExport.h" |
| 9 #include "core/fetch/ResourceStatus.h" |
| 10 #include "platform/heap/Handle.h" |
| 11 #include "platform/heap/Heap.h" |
| 12 #include "platform/weborigin/KURL.h" |
| 13 #include "wtf/Forward.h" |
| 14 |
| 15 namespace blink { |
| 16 |
| 17 class ResourceError; |
| 18 class ResourceFetcher; |
| 19 class ResourceResponse; |
| 20 class SecurityOrigin; |
| 21 |
| 22 // Delegate class of ImageResource that encapsulates the interface and data |
| 23 // visible to ImageResourceContent. |
| 24 // Do not add new members or new call sites unless really needed. |
| 25 // TODO(hiroshige): reduce the members of this class to further decouple |
| 26 // ImageResource and ImageResourceContent. |
| 27 class CORE_EXPORT ImageResourceInfo : public GarbageCollectedMixin { |
| 28 public: |
| 29 ~ImageResourceInfo() {} |
| 30 virtual const KURL& url() const = 0; |
| 31 virtual bool isSchedulingReload() const = 0; |
| 32 virtual bool hasDevicePixelRatioHeaderValue() const = 0; |
| 33 virtual float devicePixelRatioHeaderValue() const = 0; |
| 34 virtual const ResourceResponse& response() const = 0; |
| 35 virtual ResourceStatus getStatus() const = 0; |
| 36 virtual bool isPlaceholder() const = 0; |
| 37 virtual bool isCacheValidator() const = 0; |
| 38 virtual bool schedulingReloadOrShouldReloadBrokenPlaceholder() const = 0; |
| 39 enum DoesCurrentFrameHaveSingleSecurityOrigin { |
| 40 HasMultipleSecurityOrigin, |
| 41 HasSingleSecurityOrigin |
| 42 }; |
| 43 virtual bool isAccessAllowed( |
| 44 SecurityOrigin*, |
| 45 DoesCurrentFrameHaveSingleSecurityOrigin) const = 0; |
| 46 virtual bool hasCacheControlNoStoreHeader() const = 0; |
| 47 virtual const ResourceError& resourceError() const = 0; |
| 48 |
| 49 // Like Resource::error(), decodeError() makes corresponding ImageResource |
| 50 // (if any) DecodeError and finishes loading. |
| 51 virtual void decodeError(bool allDataReceived) = 0; |
| 52 |
| 53 // TODO(hiroshige): Remove this once MemoryCache becomes further weaker. |
| 54 virtual void setDecodedSize(size_t) = 0; |
| 55 |
| 56 // TODO(hiroshige): Remove these. |
| 57 virtual void willAddClientOrObserver() = 0; |
| 58 virtual void didRemoveClientOrObserver() = 0; |
| 59 |
| 60 // TODO(hiroshige): Remove this. crbug.com/666214 |
| 61 virtual void emulateLoadStartedForInspector( |
| 62 ResourceFetcher*, |
| 63 const KURL&, |
| 64 const AtomicString& initiatorName) = 0; |
| 65 |
| 66 DEFINE_INLINE_VIRTUAL_TRACE() {} |
| 67 }; |
| 68 |
| 69 } // namespace blink |
| 70 |
| 71 #endif |
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