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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_CHILD_FILEAPI_WEBFILEWRITER_BASE_H_ | 5 #ifndef CONTENT_CHILD_FILEAPI_WEBFILEWRITER_BASE_H_ |
6 #define CONTENT_CHILD_FILEAPI_WEBFILEWRITER_BASE_H_ | 6 #define CONTENT_CHILD_FILEAPI_WEBFILEWRITER_BASE_H_ |
7 | 7 |
8 #include "base/platform_file.h" | 8 #include "base/platform_file.h" |
9 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
10 #include "third_party/WebKit/public/platform/WebFileWriter.h" | 10 #include "third_party/WebKit/public/platform/WebFileWriter.h" |
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21 : public NON_EXPORTED_BASE(WebKit::WebFileWriter) { | 21 : public NON_EXPORTED_BASE(WebKit::WebFileWriter) { |
22 public: | 22 public: |
23 WebFileWriterBase(const GURL& path, WebKit::WebFileWriterClient* client); | 23 WebFileWriterBase(const GURL& path, WebKit::WebFileWriterClient* client); |
24 virtual ~WebFileWriterBase(); | 24 virtual ~WebFileWriterBase(); |
25 | 25 |
26 // WebFileWriter implementation | 26 // WebFileWriter implementation |
27 virtual void truncate(long long length); | 27 virtual void truncate(long long length); |
28 virtual void write(long long position, const WebKit::WebString& id); | 28 virtual void write(long long position, const WebKit::WebString& id); |
29 virtual void cancel(); | 29 virtual void cancel(); |
30 | 30 |
31 // DEPRECATED: see crbug/174200 | |
32 virtual void write(long long position, const WebKit::WebURL& blobURL); | |
33 | |
34 protected: | 31 protected: |
35 // This calls DidSucceed() or DidFail() based on the value of |error_code|. | 32 // This calls DidSucceed() or DidFail() based on the value of |error_code|. |
36 void DidFinish(base::PlatformFileError error_code); | 33 void DidFinish(base::PlatformFileError error_code); |
37 | 34 |
38 void DidWrite(int64 bytes, bool complete); | 35 void DidWrite(int64 bytes, bool complete); |
39 void DidSucceed(); | 36 void DidSucceed(); |
40 void DidFail(base::PlatformFileError error_code); | 37 void DidFail(base::PlatformFileError error_code); |
41 | 38 |
42 // Derived classes must provide these methods to asynchronously perform | 39 // Derived classes must provide these methods to asynchronously perform |
43 // the requested operation, and they must call the appropiate DidSomething | 40 // the requested operation, and they must call the appropiate DidSomething |
44 // method upon completion and as progress is made in the Write case. | 41 // method upon completion and as progress is made in the Write case. |
45 virtual void DoTruncate(const GURL& path, int64 offset) = 0; | 42 virtual void DoTruncate(const GURL& path, int64 offset) = 0; |
46 virtual void DoWriteDeprecated(const GURL& path, | |
47 const GURL& blob_url, | |
48 int64 offset) = 0; | |
49 virtual void DoWrite(const GURL& path, | 43 virtual void DoWrite(const GURL& path, |
50 const std::string& blob_id, | 44 const std::string& blob_id, |
51 int64 offset) = 0; | 45 int64 offset) = 0; |
52 virtual void DoCancel() = 0; | 46 virtual void DoCancel() = 0; |
53 | 47 |
54 private: | 48 private: |
55 enum OperationType { | 49 enum OperationType { |
56 kOperationNone, | 50 kOperationNone, |
57 kOperationWrite, | 51 kOperationWrite, |
58 kOperationTruncate | 52 kOperationTruncate |
59 }; | 53 }; |
60 | 54 |
61 enum CancelState { | 55 enum CancelState { |
62 kCancelNotInProgress, | 56 kCancelNotInProgress, |
63 kCancelSent, | 57 kCancelSent, |
64 kCancelReceivedWriteResponse, | 58 kCancelReceivedWriteResponse, |
65 }; | 59 }; |
66 | 60 |
67 void FinishCancel(); | 61 void FinishCancel(); |
68 | 62 |
69 GURL path_; | 63 GURL path_; |
70 WebKit::WebFileWriterClient* client_; | 64 WebKit::WebFileWriterClient* client_; |
71 OperationType operation_; | 65 OperationType operation_; |
72 CancelState cancel_state_; | 66 CancelState cancel_state_; |
73 }; | 67 }; |
74 | 68 |
75 } // namespace content | 69 } // namespace content |
76 | 70 |
77 #endif // CONTENT_CHILD_FILEAPI_WEBFILEWRITER_BASE_H_ | 71 #endif // CONTENT_CHILD_FILEAPI_WEBFILEWRITER_BASE_H_ |
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