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Side by Side Diff: content/browser/fileapi/chrome_blob_storage_context.h

Issue 973993003: Instead of ArrayBuffer, pass blob with printerProvider.onPrintRequested (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase & add ext fun histogram Created 5 years, 9 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_ 5 #ifndef CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_
6 #define CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_ 6 #define CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_
7 7
8 #include "base/memory/ref_counted.h" 8 #include "base/memory/ref_counted.h"
9 #include "base/memory/scoped_ptr.h" 9 #include "base/memory/scoped_ptr.h"
10 #include "base/sequenced_task_runner_helpers.h" 10 #include "base/sequenced_task_runner_helpers.h"
11 #include "content/common/content_export.h" 11 #include "content/common/content_export.h"
12 12
13 namespace base {
14 class FilePath;
15 class Time;
16 }
17
13 namespace storage { 18 namespace storage {
14 class BlobStorageContext; 19 class BlobStorageContext;
15 } 20 }
16 21
17 namespace content { 22 namespace content {
18 class BlobHandle; 23 class BlobHandle;
19 class BrowserContext; 24 class BrowserContext;
20 struct ChromeBlobStorageContextDeleter; 25 struct ChromeBlobStorageContextDeleter;
21 26
22 // A context class that keeps track of BlobStorageController used by the chrome. 27 // A context class that keeps track of BlobStorageController used by the chrome.
(...skipping 13 matching lines...) Expand all
36 BrowserContext* browser_context); 41 BrowserContext* browser_context);
37 42
38 void InitializeOnIOThread(); 43 void InitializeOnIOThread();
39 44
40 storage::BlobStorageContext* context() const { return context_.get(); } 45 storage::BlobStorageContext* context() const { return context_.get(); }
41 46
42 // Returns a NULL scoped_ptr on failure. 47 // Returns a NULL scoped_ptr on failure.
43 scoped_ptr<BlobHandle> CreateMemoryBackedBlob(const char* data, 48 scoped_ptr<BlobHandle> CreateMemoryBackedBlob(const char* data,
44 size_t length); 49 size_t length);
45 50
51 // Returns a NULL scoped_ptr on failure.
52 scoped_ptr<BlobHandle> CreateFileBackedBlob(
53 const base::FilePath& path,
54 int64_t offset,
55 int64_t size,
56 const base::Time& expected_modification_time);
57
46 protected: 58 protected:
47 virtual ~ChromeBlobStorageContext(); 59 virtual ~ChromeBlobStorageContext();
48 60
49 private: 61 private:
50 friend class base::DeleteHelper<ChromeBlobStorageContext>; 62 friend class base::DeleteHelper<ChromeBlobStorageContext>;
51 friend class base::RefCountedThreadSafe<ChromeBlobStorageContext, 63 friend class base::RefCountedThreadSafe<ChromeBlobStorageContext,
52 ChromeBlobStorageContextDeleter>; 64 ChromeBlobStorageContextDeleter>;
53 friend struct ChromeBlobStorageContextDeleter; 65 friend struct ChromeBlobStorageContextDeleter;
54 66
55 void DeleteOnCorrectThread() const; 67 void DeleteOnCorrectThread() const;
56 68
57 scoped_ptr<storage::BlobStorageContext> context_; 69 scoped_ptr<storage::BlobStorageContext> context_;
58 }; 70 };
59 71
60 struct ChromeBlobStorageContextDeleter { 72 struct ChromeBlobStorageContextDeleter {
61 static void Destruct(const ChromeBlobStorageContext* context) { 73 static void Destruct(const ChromeBlobStorageContext* context) {
62 context->DeleteOnCorrectThread(); 74 context->DeleteOnCorrectThread();
63 } 75 }
64 }; 76 };
65 77
66 } // namespace content 78 } // namespace content
67 79
68 #endif // CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_ 80 #endif // CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_
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