gecko/dom/devicestorage/nsDeviceStorage.h

176 lines
4.9 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 "nsIDOMDeviceStorageStat.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"
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::dom::devicestorage;
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);
private:
nsString mPicturesExtensions;
nsString mVideosExtensions;
nsString mMusicExtensions;
static nsAutoPtr<DeviceStorageTypeChecker> sDeviceStorageTypeChecker;
};
class DeviceStorageFile MOZ_FINAL
: public nsISupports {
public:
nsCOMPtr<nsIFile> mFile;
nsString mPath;
nsString mStorageType;
bool mEditable;
DeviceStorageFile(const nsAString& aStorageType, nsIFile* aFile, const nsAString& aPath);
DeviceStorageFile(const nsAString& aStorageType, nsIFile* aFile);
void SetPath(const nsAString& aPath);
void SetEditable(bool aEditable);
NS_DECL_ISUPPORTS
// we want to make sure that the names of file can't reach
// outside of the type of storage the user asked for.
bool IsSafePath();
nsresult Remove();
nsresult Write(nsIInputStream* aInputStream);
nsresult Write(InfallibleTArray<uint8_t>& bits);
void CollectFiles(nsTArray<nsRefPtr<DeviceStorageFile> > &aFiles, PRTime aSince = 0);
void collectFilesInternal(nsTArray<nsRefPtr<DeviceStorageFile> > &aFiles, PRTime aSince, nsAString& aRootPath);
static void DirectoryDiskUsage(nsIFile* aFile, uint64_t* aSoFar, const nsAString& aStorageType);
private:
void NormalizeFilePath();
void AppendRelativePath();
};
class ContinueCursorEvent MOZ_FINAL : public nsRunnable
{
public:
ContinueCursorEvent(nsRefPtr<DOMRequest>& aRequest);
ContinueCursorEvent(DOMRequest* aRequest);
~ContinueCursorEvent();
void Continue();
NS_IMETHOD Run();
private:
already_AddRefed<DeviceStorageFile> GetNextFile();
nsRefPtr<DOMRequest> mRequest;
};
class nsDOMDeviceStorageCursor MOZ_FINAL
: public nsIDOMDeviceStorageCursor
, public DOMRequest
, public nsIContentPermissionRequest
, public PCOMContentPermissionRequestChild
, public 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;
};
class nsDOMDeviceStorageStat MOZ_FINAL
: public nsIDOMDeviceStorageStat
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMDEVICESTORAGESTAT
nsDOMDeviceStorageStat(uint64_t aFreeBytes, uint64_t aTotalBytes, nsAString& aState);
private:
~nsDOMDeviceStorageStat();
uint64_t mFreeBytes, mTotalBytes;
nsString mState;
};
//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