1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/devicestorage/nsDeviceStorage.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,236 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef nsDeviceStorage_h
1.9 +#define nsDeviceStorage_h
1.10 +
1.11 +class nsPIDOMWindow;
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "PCOMContentPermissionRequestChild.h"
1.14 +
1.15 +#include "DOMRequest.h"
1.16 +#include "DOMCursor.h"
1.17 +#include "nsAutoPtr.h"
1.18 +#include "nsCycleCollectionParticipant.h"
1.19 +#include "nsDOMClassInfoID.h"
1.20 +#include "nsIClassInfo.h"
1.21 +#include "nsIContentPermissionPrompt.h"
1.22 +#include "nsIDOMWindow.h"
1.23 +#include "nsIURI.h"
1.24 +#include "nsInterfaceHashtable.h"
1.25 +#include "nsIPrincipal.h"
1.26 +#include "nsString.h"
1.27 +#include "nsWeakPtr.h"
1.28 +#include "nsIDOMEventListener.h"
1.29 +#include "nsIObserver.h"
1.30 +#include "nsIStringBundle.h"
1.31 +#include "mozilla/Mutex.h"
1.32 +#include "prtime.h"
1.33 +#include "DeviceStorage.h"
1.34 +#include "mozilla/dom/devicestorage/DeviceStorageRequestChild.h"
1.35 +#include "mozilla/StaticPtr.h"
1.36 +
1.37 +namespace mozilla {
1.38 +class ErrorResult;
1.39 +} // namespace mozilla
1.40 +
1.41 +#define POST_ERROR_EVENT_FILE_EXISTS "NoModificationAllowedError"
1.42 +#define POST_ERROR_EVENT_FILE_DOES_NOT_EXIST "NotFoundError"
1.43 +#define POST_ERROR_EVENT_FILE_NOT_ENUMERABLE "TypeMismatchError"
1.44 +#define POST_ERROR_EVENT_PERMISSION_DENIED "SecurityError"
1.45 +#define POST_ERROR_EVENT_ILLEGAL_TYPE "TypeMismatchError"
1.46 +#define POST_ERROR_EVENT_UNKNOWN "Unknown"
1.47 +
1.48 +enum DeviceStorageRequestType {
1.49 + DEVICE_STORAGE_REQUEST_READ,
1.50 + DEVICE_STORAGE_REQUEST_WRITE,
1.51 + DEVICE_STORAGE_REQUEST_CREATE,
1.52 + DEVICE_STORAGE_REQUEST_DELETE,
1.53 + DEVICE_STORAGE_REQUEST_WATCH,
1.54 + DEVICE_STORAGE_REQUEST_FREE_SPACE,
1.55 + DEVICE_STORAGE_REQUEST_USED_SPACE,
1.56 + DEVICE_STORAGE_REQUEST_AVAILABLE,
1.57 + DEVICE_STORAGE_REQUEST_STATUS,
1.58 + DEVICE_STORAGE_REQUEST_FORMAT,
1.59 + DEVICE_STORAGE_REQUEST_MOUNT,
1.60 + DEVICE_STORAGE_REQUEST_UNMOUNT,
1.61 + DEVICE_STORAGE_REQUEST_CREATEFD
1.62 +};
1.63 +
1.64 +class DeviceStorageUsedSpaceCache MOZ_FINAL
1.65 +{
1.66 +public:
1.67 + static DeviceStorageUsedSpaceCache* CreateOrGet();
1.68 +
1.69 + DeviceStorageUsedSpaceCache();
1.70 + ~DeviceStorageUsedSpaceCache();
1.71 +
1.72 +
1.73 + class InvalidateRunnable MOZ_FINAL : public nsRunnable
1.74 + {
1.75 + public:
1.76 + InvalidateRunnable(DeviceStorageUsedSpaceCache* aCache,
1.77 + const nsAString& aStorageName)
1.78 + : mCache(aCache)
1.79 + , mStorageName(aStorageName) {}
1.80 +
1.81 + ~InvalidateRunnable() {}
1.82 +
1.83 + NS_IMETHOD Run() MOZ_OVERRIDE
1.84 + {
1.85 + nsRefPtr<DeviceStorageUsedSpaceCache::CacheEntry> cacheEntry;
1.86 + cacheEntry = mCache->GetCacheEntry(mStorageName);
1.87 + if (cacheEntry) {
1.88 + cacheEntry->mDirty = true;
1.89 + }
1.90 + return NS_OK;
1.91 + }
1.92 + private:
1.93 + DeviceStorageUsedSpaceCache* mCache;
1.94 + nsString mStorageName;
1.95 + };
1.96 +
1.97 + void Invalidate(const nsAString& aStorageName)
1.98 + {
1.99 + MOZ_ASSERT(NS_IsMainThread());
1.100 + MOZ_ASSERT(mIOThread);
1.101 +
1.102 + nsRefPtr<InvalidateRunnable> r = new InvalidateRunnable(this, aStorageName);
1.103 + mIOThread->Dispatch(r, NS_DISPATCH_NORMAL);
1.104 + }
1.105 +
1.106 + void Dispatch(nsIRunnable* aRunnable)
1.107 + {
1.108 + MOZ_ASSERT(NS_IsMainThread());
1.109 + MOZ_ASSERT(mIOThread);
1.110 +
1.111 + mIOThread->Dispatch(aRunnable, NS_DISPATCH_NORMAL);
1.112 + }
1.113 +
1.114 + nsresult AccumUsedSizes(const nsAString& aStorageName,
1.115 + uint64_t* aPictureSize, uint64_t* aVideosSize,
1.116 + uint64_t* aMusicSize, uint64_t* aTotalSize);
1.117 +
1.118 + void SetUsedSizes(const nsAString& aStorageName,
1.119 + uint64_t aPictureSize, uint64_t aVideosSize,
1.120 + uint64_t aMusicSize, uint64_t aTotalSize);
1.121 +
1.122 +private:
1.123 + friend class InvalidateRunnable;
1.124 +
1.125 + struct CacheEntry
1.126 + {
1.127 + // Technically, this doesn't need to be threadsafe, but the implementation
1.128 + // of the non-thread safe one causes ASSERTS due to the underlying thread
1.129 + // associated with a LazyIdleThread changing from time to time.
1.130 + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DeviceStorageUsedSpaceCache::CacheEntry)
1.131 +
1.132 + bool mDirty;
1.133 + nsString mStorageName;
1.134 + int64_t mFreeBytes;
1.135 + uint64_t mPicturesUsedSize;
1.136 + uint64_t mVideosUsedSize;
1.137 + uint64_t mMusicUsedSize;
1.138 + uint64_t mTotalUsedSize;
1.139 + };
1.140 + already_AddRefed<CacheEntry> GetCacheEntry(const nsAString& aStorageName);
1.141 +
1.142 + nsTArray<nsRefPtr<CacheEntry>> mCacheEntries;
1.143 +
1.144 + nsCOMPtr<nsIThread> mIOThread;
1.145 +
1.146 + static mozilla::StaticAutoPtr<DeviceStorageUsedSpaceCache> sDeviceStorageUsedSpaceCache;
1.147 +};
1.148 +
1.149 +class DeviceStorageTypeChecker MOZ_FINAL
1.150 +{
1.151 +public:
1.152 + static DeviceStorageTypeChecker* CreateOrGet();
1.153 +
1.154 + DeviceStorageTypeChecker();
1.155 + ~DeviceStorageTypeChecker();
1.156 +
1.157 + void InitFromBundle(nsIStringBundle* aBundle);
1.158 +
1.159 + bool Check(const nsAString& aType, nsIDOMBlob* aBlob);
1.160 + bool Check(const nsAString& aType, nsIFile* aFile);
1.161 + void GetTypeFromFile(nsIFile* aFile, nsAString& aType);
1.162 + void GetTypeFromFileName(const nsAString& aFileName, nsAString& aType);
1.163 +
1.164 + static nsresult GetPermissionForType(const nsAString& aType, nsACString& aPermissionResult);
1.165 + static nsresult GetAccessForRequest(const DeviceStorageRequestType aRequestType, nsACString& aAccessResult);
1.166 + static bool IsVolumeBased(const nsAString& aType);
1.167 +
1.168 +private:
1.169 + nsString mPicturesExtensions;
1.170 + nsString mVideosExtensions;
1.171 + nsString mMusicExtensions;
1.172 +
1.173 + static mozilla::StaticAutoPtr<DeviceStorageTypeChecker> sDeviceStorageTypeChecker;
1.174 +};
1.175 +
1.176 +class ContinueCursorEvent MOZ_FINAL : public nsRunnable
1.177 +{
1.178 +public:
1.179 + ContinueCursorEvent(already_AddRefed<mozilla::dom::DOMRequest> aRequest);
1.180 + ContinueCursorEvent(mozilla::dom::DOMRequest* aRequest);
1.181 + ~ContinueCursorEvent();
1.182 + void Continue();
1.183 +
1.184 + NS_IMETHOD Run() MOZ_OVERRIDE;
1.185 +private:
1.186 + already_AddRefed<DeviceStorageFile> GetNextFile();
1.187 + nsRefPtr<mozilla::dom::DOMRequest> mRequest;
1.188 +};
1.189 +
1.190 +class nsDOMDeviceStorageCursor MOZ_FINAL
1.191 + : public mozilla::dom::DOMCursor
1.192 + , public nsIContentPermissionRequest
1.193 + , public PCOMContentPermissionRequestChild
1.194 + , public mozilla::dom::devicestorage::DeviceStorageRequestChildCallback
1.195 +{
1.196 +public:
1.197 + NS_DECL_ISUPPORTS_INHERITED
1.198 + NS_DECL_NSICONTENTPERMISSIONREQUEST
1.199 + NS_FORWARD_NSIDOMDOMCURSOR(mozilla::dom::DOMCursor::)
1.200 +
1.201 + // DOMCursor
1.202 + virtual void Continue(mozilla::ErrorResult& aRv) MOZ_OVERRIDE;
1.203 +
1.204 + nsDOMDeviceStorageCursor(nsPIDOMWindow* aWindow,
1.205 + nsIPrincipal* aPrincipal,
1.206 + DeviceStorageFile* aFile,
1.207 + PRTime aSince);
1.208 +
1.209 +
1.210 + nsTArray<nsRefPtr<DeviceStorageFile> > mFiles;
1.211 + bool mOkToCallContinue;
1.212 + PRTime mSince;
1.213 +
1.214 + virtual bool Recv__delete__(const bool& allow,
1.215 + const InfallibleTArray<PermissionChoice>& choices) MOZ_OVERRIDE;
1.216 + virtual void IPDLRelease() MOZ_OVERRIDE;
1.217 +
1.218 + void GetStorageType(nsAString & aType);
1.219 +
1.220 + void RequestComplete() MOZ_OVERRIDE;
1.221 +
1.222 +private:
1.223 + ~nsDOMDeviceStorageCursor();
1.224 +
1.225 + nsRefPtr<DeviceStorageFile> mFile;
1.226 + nsCOMPtr<nsIPrincipal> mPrincipal;
1.227 +};
1.228 +
1.229 +//helpers
1.230 +JS::Value
1.231 +StringToJsval(nsPIDOMWindow* aWindow, nsAString& aString);
1.232 +
1.233 +JS::Value
1.234 +nsIFileToJsval(nsPIDOMWindow* aWindow, DeviceStorageFile* aFile);
1.235 +
1.236 +JS::Value
1.237 +InterfaceToJsval(nsPIDOMWindow* aWindow, nsISupports* aObject, const nsIID* aIID);
1.238 +
1.239 +#endif
