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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/browser/fileapi/chrome_blob_storage_context.h" | |
| 6 | |
| 7 #include <utility> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/guid.h" | |
| 11 #include "content/public/browser/blob_handle.h" | |
| 12 #include "content/public/browser/browser_context.h" | |
| 13 #include "content/public/browser/browser_thread.h" | |
| 14 #include "storage/browser/blob/blob_data_builder.h" | |
| 15 #include "storage/browser/blob/blob_data_handle.h" | |
| 16 #include "storage/browser/blob/blob_storage_context.h" | |
| 17 | |
| 18 using base::UserDataAdapter; | |
| 19 using storage::BlobStorageContext; | |
| 20 | |
| 21 namespace content { | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 const char kBlobStorageContextKeyName[] = "content_blob_storage_context"; | |
| 26 | |
| 27 class BlobHandleImpl : public BlobHandle { | |
| 28 public: | |
| 29 explicit BlobHandleImpl(std::unique_ptr<storage::BlobDataHandle> handle) | |
| 30 : handle_(std::move(handle)) {} | |
| 31 | |
| 32 ~BlobHandleImpl() override {} | |
| 33 | |
| 34 std::string GetUUID() override { return handle_->uuid(); } | |
| 35 | |
| 36 private: | |
| 37 std::unique_ptr<storage::BlobDataHandle> handle_; | |
| 38 }; | |
| 39 | |
| 40 } // namespace | |
| 41 | |
| 42 ChromeBlobStorageContext::ChromeBlobStorageContext() {} | |
| 43 | |
| 44 ChromeBlobStorageContext* ChromeBlobStorageContext::GetFor( | |
| 45 BrowserContext* context) { | |
| 46 if (!context->GetUserData(kBlobStorageContextKeyName)) { | |
| 47 scoped_refptr<ChromeBlobStorageContext> blob = | |
| 48 new ChromeBlobStorageContext(); | |
| 49 context->SetUserData( | |
| 50 kBlobStorageContextKeyName, | |
| 51 new UserDataAdapter<ChromeBlobStorageContext>(blob.get())); | |
| 52 // Check first to avoid memory leak in unittests. | |
| 53 if (BrowserThread::IsMessageLoopValid(BrowserThread::IO)) { | |
| 54 BrowserThread::PostTask( | |
| 55 BrowserThread::IO, FROM_HERE, | |
| 56 base::Bind(&ChromeBlobStorageContext::InitializeOnIOThread, blob)); | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 return UserDataAdapter<ChromeBlobStorageContext>::Get( | |
| 61 context, kBlobStorageContextKeyName); | |
| 62 } | |
| 63 | |
| 64 void ChromeBlobStorageContext::InitializeOnIOThread() { | |
| 65 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 66 context_.reset(new BlobStorageContext()); | |
| 67 } | |
| 68 | |
| 69 std::unique_ptr<BlobHandle> ChromeBlobStorageContext::CreateMemoryBackedBlob( | |
| 70 const char* data, | |
| 71 size_t length) { | |
| 72 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 73 | |
| 74 std::string uuid(base::GenerateGUID()); | |
| 75 storage::BlobDataBuilder blob_data_builder(uuid); | |
| 76 blob_data_builder.AppendData(data, length); | |
| 77 | |
| 78 std::unique_ptr<storage::BlobDataHandle> blob_data_handle = | |
| 79 context_->AddFinishedBlob(&blob_data_builder); | |
| 80 if (!blob_data_handle) | |
| 81 return std::unique_ptr<BlobHandle>(); | |
| 82 | |
| 83 std::unique_ptr<BlobHandle> blob_handle( | |
| 84 new BlobHandleImpl(std::move(blob_data_handle))); | |
| 85 return blob_handle; | |
| 86 } | |
| 87 | |
| 88 std::unique_ptr<BlobHandle> ChromeBlobStorageContext::CreateFileBackedBlob( | |
| 89 const base::FilePath& path, | |
| 90 int64_t offset, | |
| 91 int64_t size, | |
| 92 const base::Time& expected_modification_time) { | |
| 93 DCHECK_CURRENTLY_ON(BrowserThread::IO); | |
| 94 | |
| 95 std::string uuid(base::GenerateGUID()); | |
| 96 storage::BlobDataBuilder blob_data_builder(uuid); | |
| 97 blob_data_builder.AppendFile(path, offset, size, expected_modification_time); | |
| 98 | |
| 99 std::unique_ptr<storage::BlobDataHandle> blob_data_handle = | |
| 100 context_->AddFinishedBlob(&blob_data_builder); | |
| 101 if (!blob_data_handle) | |
| 102 return std::unique_ptr<BlobHandle>(); | |
| 103 | |
| 104 std::unique_ptr<BlobHandle> blob_handle( | |
| 105 new BlobHandleImpl(std::move(blob_data_handle))); | |
| 106 return blob_handle; | |
| 107 } | |
| 108 | |
| 109 ChromeBlobStorageContext::~ChromeBlobStorageContext() {} | |
| 110 | |
| 111 void ChromeBlobStorageContext::DeleteOnCorrectThread() const { | |
| 112 if (BrowserThread::IsMessageLoopValid(BrowserThread::IO) && | |
| 113 !BrowserThread::CurrentlyOn(BrowserThread::IO)) { | |
| 114 BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, this); | |
| 115 return; | |
| 116 } | |
| 117 delete this; | |
| 118 } | |
| 119 | |
| 120 } // namespace content | |
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Chromium Code Reviews
Issue 1934223004:
[BlobStorage] Moving all blob files to applicable directories (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master