Move a bunch of child-only code from content/common to content/child

Was just trying to move content/common/resource_dispatcher.{cc,h}, but that ends up needing a lot of other things to move.

TBR=jam@chromium.org

BUG=246357

Review URL: https://codereview.chromium.org/16328003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@204569 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 468 insertions, 0 deletions

diff --git a/content/child/fileapi/file_system_dispatcher.cc b/content/child/fileapi/file_system_dispatcher.cc
new file mode 100644
index 0000000..29ccc2a
--- /dev/null
+++ b/content/child/fileapi/file_system_dispatcher.cc
@@ -0,0 +1,468 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/child/fileapi/file_system_dispatcher.h"
+
+#include "base/callback.h"
+#include "base/file_util.h"
+#include "base/process.h"
+#include "content/child/child_thread.h"
+#include "content/common/fileapi/file_system_messages.h"
+
+namespace content {
+
+class FileSystemDispatcher::CallbackDispatcher {
+ public:
+  typedef CallbackDispatcher self;
+  typedef FileSystemDispatcher::StatusCallback StatusCallback;
+  typedef FileSystemDispatcher::MetadataCallback MetadataCallback;
+  typedef FileSystemDispatcher::ReadDirectoryCallback ReadDirectoryCallback;
+  typedef FileSystemDispatcher::OpenFileSystemCallback OpenFileSystemCallback;
+  typedef FileSystemDispatcher::WriteCallback WriteCallback;
+  typedef FileSystemDispatcher::OpenFileCallback OpenFileCallback;
+
+  static CallbackDispatcher* Create(const StatusCallback& callback) {
+    CallbackDispatcher* dispatcher = new CallbackDispatcher;
+    dispatcher->status_callback_ = callback;
+    dispatcher->error_callback_ = callback;
+    return dispatcher;
+  }
+  static CallbackDispatcher* Create(const MetadataCallback& callback,
+                                    const StatusCallback& error_callback) {
+    CallbackDispatcher* dispatcher = new CallbackDispatcher;
+    dispatcher->metadata_callback_ = callback;
+    dispatcher->error_callback_ = error_callback;
+    return dispatcher;
+  }
+  static CallbackDispatcher* Create(const ReadDirectoryCallback& callback,
+                                    const StatusCallback& error_callback) {
+    CallbackDispatcher* dispatcher = new CallbackDispatcher;
+    dispatcher->directory_callback_ = callback;
+    dispatcher->error_callback_ = error_callback;
+    return dispatcher;
+  }
+  static CallbackDispatcher* Create(const OpenFileSystemCallback& callback,
+                                    const StatusCallback& error_callback) {
+    CallbackDispatcher* dispatcher = new CallbackDispatcher;
+    dispatcher->filesystem_callback_ = callback;
+    dispatcher->error_callback_ = error_callback;
+    return dispatcher;
+  }
+  static CallbackDispatcher* Create(const WriteCallback& callback,
+                                    const StatusCallback& error_callback) {
+    CallbackDispatcher* dispatcher = new CallbackDispatcher;
+    dispatcher->write_callback_ = callback;
+    dispatcher->error_callback_ = error_callback;
+    return dispatcher;
+  }
+  static CallbackDispatcher* Create(const OpenFileCallback& callback,
+                                    const StatusCallback& error_callback) {
+    CallbackDispatcher* dispatcher = new CallbackDispatcher;
+    dispatcher->open_callback_ = callback;
+    dispatcher->error_callback_ = error_callback;
+    return dispatcher;
+  }
+
+  ~CallbackDispatcher() {}
+
+  void DidSucceed() {
+    status_callback_.Run(base::PLATFORM_FILE_OK);
+  }
+
+  void DidFail(base::PlatformFileError error_code) {
+    error_callback_.Run(error_code);
+  }
+
+  void DidReadMetadata(
+      const base::PlatformFileInfo& file_info,
+      const base::FilePath& platform_path) {
+    metadata_callback_.Run(file_info, platform_path);
+  }
+
+  void DidCreateSnapshotFile(
+      const base::PlatformFileInfo& file_info,
+      const base::FilePath& platform_path) {
+    metadata_callback_.Run(file_info, platform_path);
+  }
+
+  void DidReadDirectory(
+      const std::vector<fileapi::DirectoryEntry>& entries,
+      bool has_more) {
+    directory_callback_.Run(entries, has_more);
+  }
+
+  void DidOpenFileSystem(const std::string& name,
+                         const GURL& root) {
+    filesystem_callback_.Run(name, root);
+  }
+
+  void DidWrite(int64 bytes, bool complete) {
+    write_callback_.Run(bytes, complete);
+  }
+
+  void DidOpenFile(base::PlatformFile file,
+                   int file_open_id,
+                   quota::QuotaLimitType quota_policy) {
+    open_callback_.Run(file, file_open_id, quota_policy);
+  }
+
+ private:
+  CallbackDispatcher() {}
+
+  StatusCallback status_callback_;
+  MetadataCallback metadata_callback_;
+  ReadDirectoryCallback directory_callback_;
+  OpenFileSystemCallback filesystem_callback_;
+  WriteCallback write_callback_;
+  OpenFileCallback open_callback_;
+
+  StatusCallback error_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(CallbackDispatcher);
+};
+
+FileSystemDispatcher::FileSystemDispatcher() {
+}
+
+FileSystemDispatcher::~FileSystemDispatcher() {
+  // Make sure we fire all the remaining callbacks.
+  for (IDMap<CallbackDispatcher, IDMapOwnPointer>::iterator
+           iter(&dispatchers_); !iter.IsAtEnd(); iter.Advance()) {
+    int request_id = iter.GetCurrentKey();
+    CallbackDispatcher* dispatcher = iter.GetCurrentValue();
+    DCHECK(dispatcher);
+    dispatcher->DidFail(base::PLATFORM_FILE_ERROR_ABORT);
+    dispatchers_.Remove(request_id);
+  }
+}
+
+bool FileSystemDispatcher::OnMessageReceived(const IPC::Message& msg) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(FileSystemDispatcher, msg)
+    IPC_MESSAGE_HANDLER(FileSystemMsg_DidOpenFileSystem, OnDidOpenFileSystem)
+    IPC_MESSAGE_HANDLER(FileSystemMsg_DidSucceed, OnDidSucceed)
+    IPC_MESSAGE_HANDLER(FileSystemMsg_DidReadDirectory, OnDidReadDirectory)
+    IPC_MESSAGE_HANDLER(FileSystemMsg_DidReadMetadata, OnDidReadMetadata)
+    IPC_MESSAGE_HANDLER(FileSystemMsg_DidCreateSnapshotFile,
+                        OnDidCreateSnapshotFile)
+    IPC_MESSAGE_HANDLER(FileSystemMsg_DidFail, OnDidFail)
+    IPC_MESSAGE_HANDLER(FileSystemMsg_DidWrite, OnDidWrite)
+    IPC_MESSAGE_HANDLER(FileSystemMsg_DidOpenFile, OnDidOpenFile)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+bool FileSystemDispatcher::OpenFileSystem(
+    const GURL& origin_url, fileapi::FileSystemType type,
+    long long size, bool create,
+    const OpenFileSystemCallback& success_callback,
+    const StatusCallback& error_callback) {
+  int request_id = dispatchers_.Add(
+      CallbackDispatcher::Create(success_callback, error_callback));
+  if (!ChildThread::current()->Send(new FileSystemHostMsg_Open(
+          request_id, origin_url, type, size, create))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::DeleteFileSystem(
+    const GURL& origin_url,
+    fileapi::FileSystemType type,
+    const StatusCallback& callback) {
+  int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
+  if (!ChildThread::current()->Send(new FileSystemHostMsg_DeleteFileSystem(
+          request_id, origin_url, type))) {
+    dispatchers_.Remove(request_id);
+    return false;
+  }
+  return true;
+}
+
+bool FileSystemDispatcher::Move(
+    const GURL& src_path,
+    const GURL& dest_path,
+    const StatusCallback& callback) {
+  int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
+  if (!ChildThread::current()->Send(new FileSystemHostMsg_Move(
+          request_id, src_path, dest_path))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::Copy(
+    const GURL& src_path,
+    const GURL& dest_path,
+    const StatusCallback& callback) {
+  int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
+  if (!ChildThread::current()->Send(new FileSystemHostMsg_Copy(
+          request_id, src_path, dest_path))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::Remove(
+    const GURL& path,
+    bool recursive,
+    const StatusCallback& callback) {
+  int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
+  if (!ChildThread::current()->Send(
+          new FileSystemMsg_Remove(request_id, path, recursive))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::ReadMetadata(
+    const GURL& path,
+    const MetadataCallback& success_callback,
+    const StatusCallback& error_callback) {
+  int request_id = dispatchers_.Add(
+      CallbackDispatcher::Create(success_callback, error_callback));
+  if (!ChildThread::current()->Send(
+          new FileSystemHostMsg_ReadMetadata(request_id, path))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::Create(
+    const GURL& path,
+    bool exclusive,
+    bool is_directory,
+    bool recursive,
+    const StatusCallback& callback) {
+  int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
+  if (!ChildThread::current()->Send(new FileSystemHostMsg_Create(
+          request_id, path, exclusive, is_directory, recursive))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::Exists(
+    const GURL& path,
+    bool is_directory,
+    const StatusCallback& callback) {
+  int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
+  if (!ChildThread::current()->Send(
+          new FileSystemHostMsg_Exists(request_id, path, is_directory))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::ReadDirectory(
+    const GURL& path,
+    const ReadDirectoryCallback& success_callback,
+    const StatusCallback& error_callback) {
+  int request_id = dispatchers_.Add(
+      CallbackDispatcher::Create(success_callback, error_callback));
+  if (!ChildThread::current()->Send(
+          new FileSystemHostMsg_ReadDirectory(request_id, path))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::Truncate(
+    const GURL& path,
+    int64 offset,
+    int* request_id_out,
+    const StatusCallback& callback) {
+  int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
+  if (!ChildThread::current()->Send(
+          new FileSystemHostMsg_Truncate(request_id, path, offset))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  if (request_id_out)
+    *request_id_out = request_id;
+  return true;
+}
+
+bool FileSystemDispatcher::Write(
+    const GURL& path,
+    const GURL& blob_url,
+    int64 offset,
+    int* request_id_out,
+    const WriteCallback& success_callback,
+    const StatusCallback& error_callback) {
+  int request_id = dispatchers_.Add(
+      CallbackDispatcher::Create(success_callback, error_callback));
+  if (!ChildThread::current()->Send(
+          new FileSystemHostMsg_Write(request_id, path, blob_url, offset))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  if (request_id_out)
+    *request_id_out = request_id;
+  return true;
+}
+
+bool FileSystemDispatcher::Cancel(
+    int request_id_to_cancel,
+    const StatusCallback& callback) {
+  int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
+  if (!ChildThread::current()->Send(new FileSystemHostMsg_CancelWrite(
+          request_id, request_id_to_cancel))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::TouchFile(
+    const GURL& path,
+    const base::Time& last_access_time,
+    const base::Time& last_modified_time,
+    const StatusCallback& callback) {
+  int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
+  if (!ChildThread::current()->Send(
+          new FileSystemHostMsg_TouchFile(
+              request_id, path, last_access_time, last_modified_time))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::OpenFile(
+    const GURL& file_path,
+    int file_flags,
+    const OpenFileCallback& success_callback,
+    const StatusCallback& error_callback) {
+  int request_id = dispatchers_.Add(
+      CallbackDispatcher::Create(success_callback, error_callback));
+  if (!ChildThread::current()->Send(
+          new FileSystemHostMsg_OpenFile(
+              request_id, file_path, file_flags))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+
+  return true;
+}
+
+bool FileSystemDispatcher::NotifyCloseFile(int file_open_id) {
+  return ChildThread::current()->Send(
+      new FileSystemHostMsg_NotifyCloseFile(file_open_id));
+}
+
+bool FileSystemDispatcher::CreateSnapshotFile(
+    const GURL& file_path,
+    const CreateSnapshotFileCallback& success_callback,
+    const StatusCallback& error_callback) {
+  int request_id = dispatchers_.Add(
+      CallbackDispatcher::Create(success_callback, error_callback));
+  if (!ChildThread::current()->Send(
+          new FileSystemHostMsg_CreateSnapshotFile(
+              request_id, file_path))) {
+    dispatchers_.Remove(request_id);  // destroys |dispatcher|
+    return false;
+  }
+  return true;
+}
+
+void FileSystemDispatcher::OnDidOpenFileSystem(int request_id,
+                                               const std::string& name,
+                                               const GURL& root) {
+  DCHECK(root.is_valid());
+  CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
+  DCHECK(dispatcher);
+  dispatcher->DidOpenFileSystem(name, root);
+  dispatchers_.Remove(request_id);
+}
+
+void FileSystemDispatcher::OnDidSucceed(int request_id) {
+  CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
+  DCHECK(dispatcher);
+  dispatcher->DidSucceed();
+  dispatchers_.Remove(request_id);
+}
+
+void FileSystemDispatcher::OnDidReadMetadata(
+    int request_id, const base::PlatformFileInfo& file_info,
+    const base::FilePath& platform_path) {
+  CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
+  DCHECK(dispatcher);
+  dispatcher->DidReadMetadata(file_info, platform_path);
+  dispatchers_.Remove(request_id);
+}
+
+void FileSystemDispatcher::OnDidCreateSnapshotFile(
+    int request_id, const base::PlatformFileInfo& file_info,
+    const base::FilePath& platform_path) {
+  CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
+  DCHECK(dispatcher);
+  dispatcher->DidCreateSnapshotFile(file_info, platform_path);
+  dispatchers_.Remove(request_id);
+  ChildThread::current()->Send(
+      new FileSystemHostMsg_DidReceiveSnapshotFile(request_id));
+}
+
+void FileSystemDispatcher::OnDidReadDirectory(
+    int request_id,
+    const std::vector<fileapi::DirectoryEntry>& entries,
+    bool has_more) {
+  CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
+  DCHECK(dispatcher);
+  dispatcher->DidReadDirectory(entries, has_more);
+  dispatchers_.Remove(request_id);
+}
+
+void FileSystemDispatcher::OnDidFail(
+    int request_id, base::PlatformFileError error_code) {
+  CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
+  DCHECK(dispatcher);
+  dispatcher->DidFail(error_code);
+  dispatchers_.Remove(request_id);
+}
+
+void FileSystemDispatcher::OnDidWrite(
+    int request_id, int64 bytes, bool complete) {
+  CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
+  DCHECK(dispatcher);
+  dispatcher->DidWrite(bytes, complete);
+  if (complete)
+    dispatchers_.Remove(request_id);
+}
+
+void FileSystemDispatcher::OnDidOpenFile(
+    int request_id,
+    IPC::PlatformFileForTransit file,
+    int file_open_id,
+    quota::QuotaLimitType quota_policy) {
+  CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
+  DCHECK(dispatcher);
+  dispatcher->DidOpenFile(IPC::PlatformFileForTransitToPlatformFile(file),
+                          file_open_id,
+                          quota_policy);
+  dispatchers_.Remove(request_id);
+}
+
+}  // namespace content