gecko-dev/dom/devicestorage/nsDeviceStorage.h

136 строки
3.9 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsDeviceStorage_h
#define nsDeviceStorage_h
class nsPIDOMWindow;
#include "PCOMContentPermissionRequestChild.h"
#include "DOMRequest.h"
#include "nsAutoPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsDOMClassInfoID.h"
#include "nsIClassInfo.h"
#include "nsIContentPermissionPrompt.h"
#include "nsIDOMDeviceStorageCursor.h"
#include "nsIDOMWindow.h"
#include "nsIURI.h"
#include "nsInterfaceHashtable.h"
#include "nsIPrincipal.h"
#include "nsString.h"
#include "nsWeakPtr.h"
#include "nsIDOMEventListener.h"
#include "nsIDOMEventTarget.h"
#include "nsIObserver.h"
#include "nsIStringBundle.h"
#include "mozilla/Mutex.h"
#include "prtime.h"
#include "DeviceStorage.h"
#include "DeviceStorageRequestChild.h"
#define POST_ERROR_EVENT_FILE_EXISTS "NoModificationAllowedError"
#define POST_ERROR_EVENT_FILE_DOES_NOT_EXIST "NotFoundError"
#define POST_ERROR_EVENT_FILE_NOT_ENUMERABLE "TypeMismatchError"
#define POST_ERROR_EVENT_PERMISSION_DENIED "SecurityError"
#define POST_ERROR_EVENT_ILLEGAL_TYPE "TypeMismatchError"
#define POST_ERROR_EVENT_UNKNOWN "Unknown"
enum DeviceStorageRequestType {
DEVICE_STORAGE_REQUEST_READ,
DEVICE_STORAGE_REQUEST_WRITE,
DEVICE_STORAGE_REQUEST_CREATE,
DEVICE_STORAGE_REQUEST_DELETE,
DEVICE_STORAGE_REQUEST_WATCH,
DEVICE_STORAGE_REQUEST_FREE_SPACE,
DEVICE_STORAGE_REQUEST_USED_SPACE,
DEVICE_STORAGE_REQUEST_AVAILABLE
};
class DeviceStorageTypeChecker MOZ_FINAL
{
public:
static DeviceStorageTypeChecker* CreateOrGet();
DeviceStorageTypeChecker();
~DeviceStorageTypeChecker();
void InitFromBundle(nsIStringBundle* aBundle);
bool Check(const nsAString& aType, nsIDOMBlob* aBlob);
bool Check(const nsAString& aType, nsIFile* aFile);
static nsresult GetPermissionForType(const nsAString& aType, nsACString& aPermissionResult);
static nsresult GetAccessForRequest(const DeviceStorageRequestType aRequestType, nsACString& aAccessResult);
private:
nsString mPicturesExtensions;
nsString mVideosExtensions;
nsString mMusicExtensions;
static nsAutoPtr<DeviceStorageTypeChecker> sDeviceStorageTypeChecker;
};
class ContinueCursorEvent MOZ_FINAL : public nsRunnable
{
public:
ContinueCursorEvent(nsRefPtr<mozilla::dom::DOMRequest>& aRequest);
ContinueCursorEvent(mozilla::dom::DOMRequest* aRequest);
~ContinueCursorEvent();
void Continue();
NS_IMETHOD Run();
private:
already_AddRefed<DeviceStorageFile> GetNextFile();
nsRefPtr<mozilla::dom::DOMRequest> mRequest;
};
class nsDOMDeviceStorageCursor MOZ_FINAL
: public nsIDOMDeviceStorageCursor
, public mozilla::dom::DOMRequest
, public nsIContentPermissionRequest
, public PCOMContentPermissionRequestChild
, public mozilla::dom::devicestorage::DeviceStorageRequestChildCallback
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSICONTENTPERMISSIONREQUEST
NS_DECL_NSIDOMDEVICESTORAGECURSOR
nsDOMDeviceStorageCursor(nsIDOMWindow* aWindow,
nsIPrincipal* aPrincipal,
DeviceStorageFile* aFile,
PRTime aSince);
nsTArray<nsRefPtr<DeviceStorageFile> > mFiles;
bool mOkToCallContinue;
PRTime mSince;
virtual bool Recv__delete__(const bool& allow);
virtual void IPDLRelease();
void GetStorageType(nsAString & aType);
void RequestComplete();
private:
~nsDOMDeviceStorageCursor();
nsRefPtr<DeviceStorageFile> mFile;
nsCOMPtr<nsIPrincipal> mPrincipal;
};
//helpers
jsval StringToJsval(nsPIDOMWindow* aWindow, nsAString& aString);
jsval nsIFileToJsval(nsPIDOMWindow* aWindow, DeviceStorageFile* aFile);
jsval InterfaceToJsval(nsPIDOMWindow* aWindow, nsISupports* aObject, const nsIID* aIID);
#ifdef MOZ_WIDGET_GONK
nsresult GetSDCardStatus(nsAString& aState);
#endif
#endif