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Side by Side Diff: content/common/file_system/webfilewriter_impl.cc

Issue 9558006: Rename content/{common,browser}/file_system to fileapi and move blob stuff into it. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase Created 8 years, 9 months ago
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1 // Copyright (c) 2011 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/common/file_system/webfilewriter_impl.h"
6
7 #include "content/common/child_thread.h"
8 #include "content/common/file_system/file_system_dispatcher.h"
9
10 namespace {
11
12 inline FileSystemDispatcher* GetFileSystemDispatcher() {
13 return ChildThread::current()->file_system_dispatcher();
14 }
15 }
16
17 class WebFileWriterImpl::CallbackDispatcher
18 : public fileapi::FileSystemCallbackDispatcher {
19 public:
20 explicit CallbackDispatcher(
21 const base::WeakPtr<WebFileWriterImpl>& writer) : writer_(writer) {
22 }
23 virtual ~CallbackDispatcher() {
24 }
25
26 virtual void DidReadMetadata(const base::PlatformFileInfo&, const FilePath&) {
27 NOTREACHED();
28 }
29 virtual void DidReadDirectory(
30 const std::vector<base::FileUtilProxy::Entry>& entries,
31 bool has_more) {
32 NOTREACHED();
33 }
34 virtual void DidOpenFileSystem(const std::string& name,
35 const GURL& root) {
36 NOTREACHED();
37 }
38 virtual void DidSucceed() {
39 if (writer_)
40 writer_->DidSucceed();
41 }
42 virtual void DidFail(base::PlatformFileError error_code) {
43 if (writer_)
44 writer_->DidFail(error_code);
45 }
46 virtual void DidWrite(int64 bytes, bool complete) {
47 if (writer_)
48 writer_->DidWrite(bytes, complete);
49 }
50
51 private:
52 base::WeakPtr<WebFileWriterImpl> writer_;
53 };
54
55 WebFileWriterImpl::WebFileWriterImpl(
56 const GURL& path, WebKit::WebFileWriterClient* client)
57 : WebFileWriterBase(path, client),
58 request_id_(0) {
59 }
60
61 WebFileWriterImpl::~WebFileWriterImpl() {
62 }
63
64 void WebFileWriterImpl::DoTruncate(const GURL& path, int64 offset) {
65 // The FileSystemDispatcher takes ownership of the CallbackDispatcher.
66 GetFileSystemDispatcher()->Truncate(path, offset, &request_id_,
67 new CallbackDispatcher(AsWeakPtr()));
68 }
69
70 void WebFileWriterImpl::DoWrite(
71 const GURL& path, const GURL& blob_url, int64 offset) {
72 GetFileSystemDispatcher()->Write(
73 path, blob_url, offset, &request_id_,
74 new CallbackDispatcher(AsWeakPtr()));
75 }
76
77 void WebFileWriterImpl::DoCancel() {
78 GetFileSystemDispatcher()->Cancel(request_id_,
79 new CallbackDispatcher(AsWeakPtr()));
80 }
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