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Unified Diff: chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc

Issue 440653003: [fsp] Add support for aborting running operations. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fixed DCHECKs. Created 6 years, 4 months ago
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Index: chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc
diff --git a/chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc b/chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc
index 4b4a827e303d60ab9e473633f96a0f139980d9e8..d43bbac6416c53c208cd75ab92985405d32d0991 100644
--- a/chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc
+++ b/chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc
@@ -73,31 +73,28 @@ bool FakeProvidedFileSystem::GetEntry(const base::FilePath& entry_path,
return true;
}
-void FakeProvidedFileSystem::RequestUnmount(
+ProvidedFileSystemInterface::AbortCallback
+FakeProvidedFileSystem::RequestUnmount(
const fileapi::AsyncFileUtil::StatusCallback& callback) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, base::File::FILE_OK));
+ return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
}
-void FakeProvidedFileSystem::GetMetadata(
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::GetMetadata(
const base::FilePath& entry_path,
const ProvidedFileSystemInterface::GetMetadataCallback& callback) {
const Entries::const_iterator entry_it = entries_.find(entry_path);
if (entry_it == entries_.end()) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
- base::Bind(
- callback, EntryMetadata(), base::File::FILE_ERROR_NOT_FOUND));
- return;
+ return PostAbortableTask(base::Bind(
+ callback, EntryMetadata(), base::File::FILE_ERROR_NOT_FOUND));
}
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
+ return PostAbortableTask(
base::Bind(callback, entry_it->second.metadata, base::File::FILE_OK));
}
-void FakeProvidedFileSystem::ReadDirectory(
+ProvidedFileSystemInterface::AbortCallback
+FakeProvidedFileSystem::ReadDirectory(
const base::FilePath& directory_path,
const fileapi::AsyncFileUtil::ReadDirectoryCallback& callback) {
fileapi::AsyncFileUtil::EntryList entry_list;
@@ -116,49 +113,43 @@ void FakeProvidedFileSystem::ReadDirectory(
}
}
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
- base::Bind(
- callback, base::File::FILE_OK, entry_list, false /* has_more */));
+ return PostAbortableTask(base::Bind(
+ callback, base::File::FILE_OK, entry_list, false /* has_more */));
}
-void FakeProvidedFileSystem::OpenFile(const base::FilePath& entry_path,
- OpenFileMode mode,
- const OpenFileCallback& callback) {
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::OpenFile(
+ const base::FilePath& entry_path,
+ OpenFileMode mode,
+ const OpenFileCallback& callback) {
const Entries::const_iterator entry_it = entries_.find(entry_path);
if (entry_it == entries_.end()) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
- base::Bind(
- callback, 0 /* file_handle */, base::File::FILE_ERROR_NOT_FOUND));
- return;
+ return PostAbortableTask(base::Bind(
+ callback, 0 /* file_handle */, base::File::FILE_ERROR_NOT_FOUND));
}
const int file_handle = ++last_file_handle_;
opened_files_[file_handle] = entry_path;
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, file_handle, base::File::FILE_OK));
+ return PostAbortableTask(
+ base::Bind(callback, file_handle, base::File::FILE_OK));
}
-void FakeProvidedFileSystem::CloseFile(
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::CloseFile(
int file_handle,
const fileapi::AsyncFileUtil::StatusCallback& callback) {
const OpenedFilesMap::iterator opened_file_it =
opened_files_.find(file_handle);
if (opened_file_it == opened_files_.end()) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, base::File::FILE_ERROR_NOT_FOUND));
- return;
+ return PostAbortableTask(
+ base::Bind(callback, base::File::FILE_ERROR_NOT_FOUND));
}
opened_files_.erase(opened_file_it);
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, base::File::FILE_OK));
+ return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
}
-void FakeProvidedFileSystem::ReadFile(
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::ReadFile(
int file_handle,
net::IOBuffer* buffer,
int64 offset,
@@ -169,25 +160,21 @@ void FakeProvidedFileSystem::ReadFile(
if (opened_file_it == opened_files_.end() ||
opened_file_it->second.AsUTF8Unsafe() != kFakeFilePath) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
+ return PostAbortableTask(
base::Bind(callback,
0 /* chunk_length */,
false /* has_more */,
base::File::FILE_ERROR_INVALID_OPERATION));
- return;
}
const Entries::const_iterator entry_it =
entries_.find(opened_file_it->second);
if (entry_it == entries_.end()) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
+ return PostAbortableTask(
base::Bind(callback,
0 /* chunk_length */,
false /* has_more */,
base::File::FILE_ERROR_INVALID_OPERATION));
- return;
}
// Send the response byte by byte.
@@ -196,83 +183,86 @@ void FakeProvidedFileSystem::ReadFile(
// Reading behind EOF is fine, it will just return 0 bytes.
if (current_offset >= entry_it->second.metadata.size || !current_length) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
- base::Bind(callback,
- 0 /* chunk_length */,
- false /* has_more */,
- base::File::FILE_OK));
+ return PostAbortableTask(base::Bind(callback,
+ 0 /* chunk_length */,
+ false /* has_more */,
+ base::File::FILE_OK));
}
const FakeEntry& entry = entry_it->second;
+ std::vector<int> task_ids;
while (current_offset < entry.metadata.size && current_length) {
buffer->data()[current_offset - offset] = entry.contents[current_offset];
const bool has_more =
(current_offset + 1 < entry.metadata.size) && (current_length - 1);
- base::MessageLoopProxy::current()->PostTask(
+ const int task_id = tracker_.PostTask(
+ base::MessageLoopProxy::current(),
FROM_HERE,
base::Bind(
callback, 1 /* chunk_length */, has_more, base::File::FILE_OK));
+ task_ids.push_back(task_id);
current_offset++;
current_length--;
}
+
+ return base::Bind(&FakeProvidedFileSystem::AbortMany,
+ weak_ptr_factory_.GetWeakPtr(),
+ task_ids);
}
-void FakeProvidedFileSystem::CreateDirectory(
+ProvidedFileSystemInterface::AbortCallback
+FakeProvidedFileSystem::CreateDirectory(
const base::FilePath& directory_path,
bool exclusive,
bool recursive,
const fileapi::AsyncFileUtil::StatusCallback& callback) {
// TODO(mtomasz): Implement it once needed.
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, base::File::FILE_OK));
+ return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
}
-void FakeProvidedFileSystem::DeleteEntry(
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::DeleteEntry(
const base::FilePath& entry_path,
bool recursive,
const fileapi::AsyncFileUtil::StatusCallback& callback) {
// TODO(mtomasz): Implement it once needed.
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, base::File::FILE_OK));
+ return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
}
-void FakeProvidedFileSystem::CreateFile(
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::CreateFile(
const base::FilePath& file_path,
const fileapi::AsyncFileUtil::StatusCallback& callback) {
const base::File::Error result = file_path.AsUTF8Unsafe() != kFakeFilePath
? base::File::FILE_ERROR_EXISTS
: base::File::FILE_OK;
- base::MessageLoopProxy::current()->PostTask(FROM_HERE,
- base::Bind(callback, result));
+ return PostAbortableTask(base::Bind(callback, result));
}
-void FakeProvidedFileSystem::CopyEntry(
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::CopyEntry(
const base::FilePath& source_path,
const base::FilePath& target_path,
const fileapi::AsyncFileUtil::StatusCallback& callback) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, base::File::FILE_OK));
+ // TODO(mtomasz): Implement it once needed.
+ return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
}
-void FakeProvidedFileSystem::MoveEntry(
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::MoveEntry(
const base::FilePath& source_path,
const base::FilePath& target_path,
const fileapi::AsyncFileUtil::StatusCallback& callback) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, base::File::FILE_OK));
+ // TODO(mtomasz): Implement it once needed.
+ return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
}
-void FakeProvidedFileSystem::Truncate(
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::Truncate(
const base::FilePath& file_path,
int64 length,
const fileapi::AsyncFileUtil::StatusCallback& callback) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, base::File::FILE_OK));
+ // TODO(mtomasz): Implement it once needed.
+ return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
}
-void FakeProvidedFileSystem::WriteFile(
+ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::WriteFile(
int file_handle,
net::IOBuffer* buffer,
int64 offset,
@@ -283,26 +273,20 @@ void FakeProvidedFileSystem::WriteFile(
if (opened_file_it == opened_files_.end() ||
opened_file_it->second.AsUTF8Unsafe() != kFakeFilePath) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
+ return PostAbortableTask(
base::Bind(callback, base::File::FILE_ERROR_INVALID_OPERATION));
- return;
}
const Entries::iterator entry_it = entries_.find(opened_file_it->second);
if (entry_it == entries_.end()) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
+ return PostAbortableTask(
base::Bind(callback, base::File::FILE_ERROR_INVALID_OPERATION));
- return;
}
FakeEntry* const entry = &entry_it->second;
if (offset > entry->metadata.size) {
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE,
+ return PostAbortableTask(
base::Bind(callback, base::File::FILE_ERROR_INVALID_OPERATION));
- return;
}
// Allocate the string size in advance.
@@ -313,8 +297,7 @@ void FakeProvidedFileSystem::WriteFile(
entry->contents.replace(offset, length, buffer->data(), length);
- base::MessageLoopProxy::current()->PostTask(
- FROM_HERE, base::Bind(callback, base::File::FILE_OK));
+ return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
}
const ProvidedFileSystemInfo& FakeProvidedFileSystem::GetFileSystemInfo()
@@ -338,5 +321,29 @@ FakeProvidedFileSystem::GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
+ProvidedFileSystemInterface::AbortCallback
+FakeProvidedFileSystem::PostAbortableTask(const base::Closure& callback) {
+ const int task_id =
+ tracker_.PostTask(base::MessageLoopProxy::current(), FROM_HERE, callback);
+ return base::Bind(
+ &FakeProvidedFileSystem::Abort, weak_ptr_factory_.GetWeakPtr(), task_id);
+}
+
+void FakeProvidedFileSystem::Abort(
+ int task_id,
+ const fileapi::AsyncFileUtil::StatusCallback& callback) {
+ tracker_.TryCancel(task_id);
+ callback.Run(base::File::FILE_OK);
+}
+
+void FakeProvidedFileSystem::AbortMany(
+ const std::vector<int>& task_ids,
+ const fileapi::AsyncFileUtil::StatusCallback& callback) {
+ for (size_t i = 0; i < task_ids.size(); ++i) {
+ tracker_.TryCancel(task_ids[i]);
+ }
+ callback.Run(base::File::FILE_OK);
+}
+
} // namespace file_system_provider
} // namespace chromeos
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