зеркало из https://github.com/mozilla/gecko-dev.git
153 строки
4.4 KiB
C++
153 строки
4.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsDeviceStorage_h
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#define nsDeviceStorage_h
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class nsPIDOMWindow;
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/PBrowserChild.h"
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#include "mozilla/dom/devicestorage/PDeviceStorageRequestChild.h"
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#include "DOMRequest.h"
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#include "PCOMContentPermissionRequestChild.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/PContentPermissionRequestChild.h"
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#include "nsAutoPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsDOMClassInfoID.h"
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#include "nsIClassInfo.h"
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#include "nsIContentPermissionPrompt.h"
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#include "nsIDOMDeviceStorage.h"
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#include "nsIDOMDeviceStorageCursor.h"
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#include "nsIDOMWindow.h"
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#include "nsIURI.h"
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#include "nsInterfaceHashtable.h"
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#include "nsString.h"
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#include "nsWeakPtr.h"
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#define POST_ERROR_EVENT_FILE_DOES_NOT_EXIST "File location doesn't exists"
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#define POST_ERROR_EVENT_FILE_NOT_ENUMERABLE "File location is not enumerable"
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#define POST_ERROR_EVENT_PERMISSION_DENIED "Permission Denied"
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#define POST_ERROR_EVENT_ILLEGAL_FILE_NAME "Illegal file name"
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#define POST_ERROR_EVENT_UNKNOWN "Unknown"
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#define POST_ERROR_EVENT_NON_STRING_TYPE_UNSUPPORTED "Non-string type unsupported"
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using namespace mozilla::dom;
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class DeviceStorageFile MOZ_FINAL : public nsISupports {
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public:
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nsCOMPtr<nsIFile> mFile;
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nsString mPath;
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bool mEditable;
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DeviceStorageFile(nsIFile* aFile, const nsAString& aPath);
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DeviceStorageFile(nsIFile* aFile);
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void SetPath(const nsAString& aPath);
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void SetEditable(bool aEditable);
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NS_DECL_ISUPPORTS
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// we want to make sure that the names of file can't reach
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// outside of the type of storage the user asked for.
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bool IsSafePath();
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nsresult Write(nsIDOMBlob* blob);
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nsresult Write(InfallibleTArray<PRUint8>& bits);
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void CollectFiles(nsTArray<nsRefPtr<DeviceStorageFile> > &aFiles, PRUint64 aSince = 0);
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void collectFilesInternal(nsTArray<nsRefPtr<DeviceStorageFile> > &aFiles, PRUint64 aSince, nsAString& aRootPath);
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private:
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void NormalizeFilePath();
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void AppendRelativePath();
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};
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class nsDOMDeviceStorage MOZ_FINAL : public nsIDOMDeviceStorage
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMDEVICESTORAGE
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nsDOMDeviceStorage();
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nsresult Init(nsPIDOMWindow* aWindow, const nsAString &aType, const PRInt32 aIndex);
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PRInt32 SetRootFileForType(const nsAString& aType, const PRInt32 aIndex);
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static void CreateDeviceStoragesFor(nsPIDOMWindow* aWin, const nsAString &aType, nsIVariant** _retval);
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private:
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~nsDOMDeviceStorage();
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nsresult GetInternal(const JS::Value & aName, JSContext* aCx, nsIDOMDOMRequest * *_retval NS_OUTPARAM, bool aEditable);
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nsresult EnumerateInternal(const JS::Value & aName, const JS::Value & aOptions, JSContext* aCx, PRUint8 aArgc, bool aEditable, nsIDOMDeviceStorageCursor** aRetval);
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PRInt32 mStorageType;
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nsCOMPtr<nsIFile> mFile;
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nsWeakPtr mOwner;
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nsCOMPtr<nsIURI> mURI;
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// nsIDOMDeviceStorage.type
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enum {
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DEVICE_STORAGE_TYPE_DEFAULT = 0,
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DEVICE_STORAGE_TYPE_SHARED,
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DEVICE_STORAGE_TYPE_EXTERNAL,
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};
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};
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class ContinueCursorEvent MOZ_FINAL: public nsRunnable
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{
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public:
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ContinueCursorEvent(nsRefPtr<DOMRequest>& aRequest);
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ContinueCursorEvent(DOMRequest* aRequest);
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~ContinueCursorEvent();
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NS_IMETHOD Run();
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private:
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nsRefPtr<DOMRequest> mRequest;
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};
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class nsDOMDeviceStorageCursor MOZ_FINAL
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: public nsIDOMDeviceStorageCursor
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, public DOMRequest
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, public nsIContentPermissionRequest
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, public PCOMContentPermissionRequestChild
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSICONTENTPERMISSIONREQUEST
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NS_DECL_NSIDOMDEVICESTORAGECURSOR
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nsDOMDeviceStorageCursor(nsIDOMWindow* aWindow,
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nsIURI* aURI,
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DeviceStorageFile* aFile,
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PRUint64 aSince);
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nsTArray<nsRefPtr<DeviceStorageFile> > mFiles;
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bool mOkToCallContinue;
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PRUint64 mSince;
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virtual bool Recv__delete__(const bool& allow);
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virtual void IPDLRelease();
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private:
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~nsDOMDeviceStorageCursor();
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nsRefPtr<DeviceStorageFile> mFile;
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nsCOMPtr<nsIURI> mURI;
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};
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//helpers
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jsval StringToJsval(nsPIDOMWindow* aWindow, nsAString& aString);
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jsval nsIFileToJsval(nsPIDOMWindow* aWindow, DeviceStorageFile* aFile, bool aEditable);
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jsval BlobToJsval(nsPIDOMWindow* aWindow, nsIDOMBlob* aBlob);
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#endif
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