gecko/dom/devicestorage/nsDeviceStorage.h

153 lines
4.4 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 "mozilla/dom/ContentChild.h"
#include "mozilla/dom/PBrowserChild.h"
#include "mozilla/dom/devicestorage/PDeviceStorageRequestChild.h"
#include "DOMRequest.h"
#include "PCOMContentPermissionRequestChild.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/PContentPermissionRequestChild.h"
#include "nsAutoPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsDOMClassInfoID.h"
#include "nsIClassInfo.h"
#include "nsIContentPermissionPrompt.h"
#include "nsIDOMDeviceStorage.h"
#include "nsIDOMDeviceStorageCursor.h"
#include "nsIDOMWindow.h"
#include "nsIURI.h"
#include "nsInterfaceHashtable.h"
#include "nsString.h"
#include "nsWeakPtr.h"
#define POST_ERROR_EVENT_FILE_DOES_NOT_EXIST "File location doesn't exists"
#define POST_ERROR_EVENT_FILE_NOT_ENUMERABLE "File location is not enumerable"
#define POST_ERROR_EVENT_PERMISSION_DENIED "Permission Denied"
#define POST_ERROR_EVENT_ILLEGAL_FILE_NAME "Illegal file name"
#define POST_ERROR_EVENT_UNKNOWN "Unknown"
#define POST_ERROR_EVENT_NON_STRING_TYPE_UNSUPPORTED "Non-string type unsupported"
using namespace mozilla::dom;
class DeviceStorageFile MOZ_FINAL : public nsISupports {
public:
nsCOMPtr<nsIFile> mFile;
nsString mPath;
bool mEditable;
DeviceStorageFile(nsIFile* aFile, const nsAString& aPath);
DeviceStorageFile(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 Write(nsIDOMBlob* blob);
nsresult Write(InfallibleTArray<PRUint8>& bits);
void CollectFiles(nsTArray<nsRefPtr<DeviceStorageFile> > &aFiles, PRUint64 aSince = 0);
void collectFilesInternal(nsTArray<nsRefPtr<DeviceStorageFile> > &aFiles, PRUint64 aSince, nsAString& aRootPath);
private:
void NormalizeFilePath();
void AppendRelativePath();
};
class nsDOMDeviceStorage MOZ_FINAL : public nsIDOMDeviceStorage
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMDEVICESTORAGE
nsDOMDeviceStorage();
nsresult Init(nsPIDOMWindow* aWindow, const nsAString &aType, const PRInt32 aIndex);
PRInt32 SetRootFileForType(const nsAString& aType, const PRInt32 aIndex);
static void CreateDeviceStoragesFor(nsPIDOMWindow* aWin, const nsAString &aType, nsIVariant** _retval);
private:
~nsDOMDeviceStorage();
nsresult GetInternal(const JS::Value & aName, JSContext* aCx, nsIDOMDOMRequest * *_retval NS_OUTPARAM, bool aEditable);
nsresult EnumerateInternal(const JS::Value & aName, const JS::Value & aOptions, JSContext* aCx, PRUint8 aArgc, bool aEditable, nsIDOMDeviceStorageCursor** aRetval);
PRInt32 mStorageType;
nsCOMPtr<nsIFile> mFile;
nsWeakPtr mOwner;
nsCOMPtr<nsIURI> mURI;
// nsIDOMDeviceStorage.type
enum {
DEVICE_STORAGE_TYPE_DEFAULT = 0,
DEVICE_STORAGE_TYPE_SHARED,
DEVICE_STORAGE_TYPE_EXTERNAL,
};
};
class ContinueCursorEvent MOZ_FINAL: public nsRunnable
{
public:
ContinueCursorEvent(nsRefPtr<DOMRequest>& aRequest);
ContinueCursorEvent(DOMRequest* aRequest);
~ContinueCursorEvent();
NS_IMETHOD Run();
private:
nsRefPtr<DOMRequest> mRequest;
};
class nsDOMDeviceStorageCursor MOZ_FINAL
: public nsIDOMDeviceStorageCursor
, public DOMRequest
, public nsIContentPermissionRequest
, public PCOMContentPermissionRequestChild
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSICONTENTPERMISSIONREQUEST
NS_DECL_NSIDOMDEVICESTORAGECURSOR
nsDOMDeviceStorageCursor(nsIDOMWindow* aWindow,
nsIURI* aURI,
DeviceStorageFile* aFile,
PRUint64 aSince);
nsTArray<nsRefPtr<DeviceStorageFile> > mFiles;
bool mOkToCallContinue;
PRUint64 mSince;
virtual bool Recv__delete__(const bool& allow);
virtual void IPDLRelease();
private:
~nsDOMDeviceStorageCursor();
nsRefPtr<DeviceStorageFile> mFile;
nsCOMPtr<nsIURI> mURI;
};
//helpers
jsval StringToJsval(nsPIDOMWindow* aWindow, nsAString& aString);
jsval nsIFileToJsval(nsPIDOMWindow* aWindow, DeviceStorageFile* aFile, bool aEditable);
jsval BlobToJsval(nsPIDOMWindow* aWindow, nsIDOMBlob* aBlob);
#endif