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// 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.
#ifndef CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_FILE_SYSTEM_API_H_
#define CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_FILE_SYSTEM_API_H_
#include "chrome/browser/extensions/extension_function.h"
#include "chrome/common/extensions/api/file_system.h"
#include "ui/shell_dialogs/select_file_dialog.h"
namespace base {
class FilePath;
}
namespace extensions {
class ExtensionPrefs;
namespace file_system_api {
// Methods to get and set the path of the directory containing the last file
// chosen by the user in response to a chrome.fileSystem.chooseEntry() call for
// the given extension.
// Returns true and populates result on success; false on failure.
bool GetLastChooseEntryDirectory(const ExtensionPrefs* prefs,
const std::string& extension_id,
base::FilePath* path);
void SetLastChooseEntryDirectory(ExtensionPrefs* prefs,
const std::string& extension_id,
const base::FilePath& path);
} // namespace file_system_api
class FileSystemGetDisplayPathFunction : public SyncExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("fileSystem.getDisplayPath",
FILESYSTEM_GETDISPLAYPATH)
protected:
virtual ~FileSystemGetDisplayPathFunction() {}
virtual bool RunImpl() OVERRIDE;
};
class FileSystemEntryFunction : public AsyncExtensionFunction {
protected:
enum EntryType {
READ_ONLY,
WRITABLE
};
FileSystemEntryFunction();
virtual ~FileSystemEntryFunction() {}
bool HasFileSystemWritePermission();
// This is called when writable file entries are being returned. The function
// will ensure the files exist, creating them if necessary, and also check
// that none of the files are links. If it succeeds it proceeds to
// RegisterFileSystemsAndSendResponse, otherwise to HandleWritableFileError.
void CheckWritableFiles(const std::vector<base::FilePath>& path);
// This will finish the choose file process. This is either called directly
// from FilesSelected, or from WritableFileChecker. It is called on the UI
// thread.
void RegisterFileSystemsAndSendResponse(
const std::vector<base::FilePath>& path);
// Creates a response dictionary and sets it as the response to be sent.
void CreateResponse();
// Adds an entry to the response dictionary.
void AddEntryToResponse(const base::FilePath& path,
const std::string& id_override);
// called on the UI thread if there is a problem checking a writable file.
void HandleWritableFileError(const std::string& error);
// Whether multiple entries have been requested.
bool multiple_;
// The type of the entry or entries to return.
EntryType entry_type_;
// The dictionary to send as the response.
base::DictionaryValue* response_;
};
class FileSystemGetWritableEntryFunction : public FileSystemEntryFunction {
public:
DECLARE_EXTENSION_FUNCTION("fileSystem.getWritableEntry",
FILESYSTEM_GETWRITABLEENTRY)
protected:
virtual ~FileSystemGetWritableEntryFunction() {}
virtual bool RunImpl() OVERRIDE;
};
class FileSystemIsWritableEntryFunction : public SyncExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("fileSystem.isWritableEntry",
FILESYSTEM_ISWRITABLEENTRY)
protected:
virtual ~FileSystemIsWritableEntryFunction() {}
virtual bool RunImpl() OVERRIDE;
};
class FileSystemChooseEntryFunction : public FileSystemEntryFunction {
public:
// Allow picker UI to be skipped in testing.
static void SkipPickerAndAlwaysSelectPathForTest(base::FilePath* path);
static void SkipPickerAndAlwaysSelectPathsForTest(
std::vector<base::FilePath>* paths);
static void SkipPickerAndSelectSuggestedPathForTest();
static void SkipPickerAndAlwaysCancelForTest();
static void StopSkippingPickerForTest();
// Call this with the directory for test file paths. On Chrome OS, accessed
// path needs to be explicitly registered for smooth integration with Google
// Drive support.
static void RegisterTempExternalFileSystemForTest(const std::string& name,
const base::FilePath& path);
DECLARE_EXTENSION_FUNCTION("fileSystem.chooseEntry", FILESYSTEM_CHOOSEENTRY)
typedef std::vector<linked_ptr<extensions::api::file_system::AcceptOption> >
AcceptOptions;
static void BuildFileTypeInfo(
ui::SelectFileDialog::FileTypeInfo* file_type_info,
const base::FilePath::StringType& suggested_extension,
const AcceptOptions* accepts,
const bool* acceptsAllTypes);
static void BuildSuggestion(const std::string* opt_name,
base::FilePath* suggested_name,
base::FilePath::StringType* suggested_extension);
protected:
class FilePicker;
virtual ~FileSystemChooseEntryFunction() {}
virtual bool RunImpl() OVERRIDE;
void ShowPicker(const ui::SelectFileDialog::FileTypeInfo& file_type_info,
ui::SelectFileDialog::Type picker_type);
private:
void SetInitialPathOnFileThread(const base::FilePath& suggested_name,
const base::FilePath& previous_path);
// FilesSelected and FileSelectionCanceled are called by the file picker.
void FilesSelected(const std::vector<base::FilePath>& path);
void FileSelectionCanceled();
base::FilePath initial_path_;
};
class FileSystemRetainEntryFunction : public SyncExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("fileSystem.retainEntry", FILESYSTEM_RETAINENTRY)
protected:
virtual ~FileSystemRetainEntryFunction() {}
virtual bool RunImpl() OVERRIDE;
private:
// Retains the file entry referenced by |entry_id| in apps::SavedFilesService.
// |entry_id| must refer to an entry in an isolated file system.
bool RetainFileEntry(const std::string& entry_id);
};
class FileSystemIsRestorableFunction : public SyncExtensionFunction {
public:
DECLARE_EXTENSION_FUNCTION("fileSystem.isRestorable", FILESYSTEM_ISRESTORABLE)
protected:
virtual ~FileSystemIsRestorableFunction() {}
virtual bool RunImpl() OVERRIDE;
};
class FileSystemRestoreEntryFunction : public FileSystemEntryFunction {
public:
DECLARE_EXTENSION_FUNCTION("fileSystem.restoreEntry", FILESYSTEM_RESTOREENTRY)
protected:
virtual ~FileSystemRestoreEntryFunction() {}
virtual bool RunImpl() OVERRIDE;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_FILE_SYSTEM_API_H_
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