The Tor Browser: dom/devicestorage/DeviceStorageRequestChild.cpp@6474c204b198 (annotated)

dom/devicestorage/DeviceStorageRequestChild.cpp@6474c204b198 (annotated)

dom/devicestorage/DeviceStorageRequestChild.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* 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/. */
 #include "DeviceStorageRequestChild.h"
 #include "DeviceStorageFileDescriptor.h"
 #include "nsDeviceStorage.h"
 #include "nsDOMFile.h"
 #include "mozilla/dom/ipc/Blob.h"
 namespace mozilla {
 namespace dom {
 namespace devicestorage {
 DeviceStorageRequestChild::DeviceStorageRequestChild()
   : mCallback(nullptr)
 {
   MOZ_COUNT_CTOR(DeviceStorageRequestChild);
 }
 DeviceStorageRequestChild::DeviceStorageRequestChild(DOMRequest* aRequest,
                                                      DeviceStorageFile* aDSFile)
   : mRequest(aRequest)
   , mDSFile(aDSFile)
   , mCallback(nullptr)
 {
   MOZ_ASSERT(aRequest);
   MOZ_ASSERT(aDSFile);
   MOZ_COUNT_CTOR(DeviceStorageRequestChild);
 }
 DeviceStorageRequestChild::DeviceStorageRequestChild(DOMRequest* aRequest,
                                                      DeviceStorageFile* aDSFile,
                                                      DeviceStorageFileDescriptor* aDSFileDescriptor)
   : mRequest(aRequest)
   , mDSFile(aDSFile)
   , mDSFileDescriptor(aDSFileDescriptor)
   , mCallback(nullptr)
 {
   MOZ_ASSERT(aRequest);
   MOZ_ASSERT(aDSFile);
   MOZ_ASSERT(aDSFileDescriptor);
   MOZ_COUNT_CTOR(DeviceStorageRequestChild);
 }
 DeviceStorageRequestChild::~DeviceStorageRequestChild() {
   MOZ_COUNT_DTOR(DeviceStorageRequestChild);
 }
 bool
 DeviceStorageRequestChild::
   Recv__delete__(const DeviceStorageResponseValue& aValue)
 {
   if (mCallback) {
     mCallback->RequestComplete();
     mCallback = nullptr;
   }
   nsCOMPtr<nsPIDOMWindow> window = mRequest->GetOwner();
   if (!window) {
     return true;
   }
   switch (aValue.type()) {
     case DeviceStorageResponseValue::TErrorResponse:
     {
       ErrorResponse r = aValue;
       mRequest->FireError(r.error());
       break;
     }
     case DeviceStorageResponseValue::TSuccessResponse:
     {
       nsString fullPath;
       mDSFile->GetFullPath(fullPath);
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(cx,
         StringToJsval(window, fullPath));
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TFileDescriptorResponse:
     {
       FileDescriptorResponse r = aValue;
       nsString fullPath;
       mDSFile->GetFullPath(fullPath);
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(cx,
         StringToJsval(window, fullPath));
       mDSFileDescriptor->mDSFile = mDSFile;
       mDSFileDescriptor->mFileDescriptor = r.fileDescriptor();
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TBlobResponse:
     {
       BlobResponse r = aValue;
       BlobChild* actor = static_cast<BlobChild*>(r.blobChild());
       nsCOMPtr<nsIDOMBlob> blob = actor->GetBlob();
       nsCOMPtr<nsIDOMFile> file = do_QueryInterface(blob);
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(cx,
         InterfaceToJsval(window, file, &NS_GET_IID(nsIDOMFile)));
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TFreeSpaceStorageResponse:
     {
       FreeSpaceStorageResponse r = aValue;
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(cx, JS_NumberValue(double(r.freeBytes())));
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TUsedSpaceStorageResponse:
     {
       UsedSpaceStorageResponse r = aValue;
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(cx, JS_NumberValue(double(r.usedBytes())));
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TAvailableStorageResponse:
     {
       AvailableStorageResponse r = aValue;
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(
         cx, StringToJsval(window, r.mountState()));
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TStorageStatusResponse:
     {
       StorageStatusResponse r = aValue;
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(
         cx, StringToJsval(window, r.storageStatus()));
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TFormatStorageResponse:
     {
       FormatStorageResponse r = aValue;
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(
         cx, StringToJsval(window, r.mountState()));
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TMountStorageResponse:
     {
       MountStorageResponse r = aValue;
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(
         cx, StringToJsval(window, r.storageStatus()));
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TUnmountStorageResponse:
     {
       UnmountStorageResponse r = aValue;
       AutoJSContext cx;
       JS::Rooted<JS::Value> result(
         cx, StringToJsval(window, r.storageStatus()));
       mRequest->FireSuccess(result);
       break;
     }
     case DeviceStorageResponseValue::TEnumerationResponse:
     {
       EnumerationResponse r = aValue;
       nsDOMDeviceStorageCursor* cursor
         = static_cast<nsDOMDeviceStorageCursor*>(mRequest.get());
       uint32_t count = r.paths().Length();
       for (uint32_t i = 0; i < count; i++) {
         nsRefPtr<DeviceStorageFile> dsf
           = new DeviceStorageFile(r.type(), r.paths()[i].storageName(),
                                   r.rootdir(), r.paths()[i].name());
         cursor->mFiles.AppendElement(dsf);
       }
       nsRefPtr<ContinueCursorEvent> event = new ContinueCursorEvent(cursor);
       event->Continue();
       break;
     }
     default:
     {
       NS_RUNTIMEABORT("not reached");
       break;
     }
   }
   return true;
 }
 void
 DeviceStorageRequestChild::
   SetCallback(DeviceStorageRequestChildCallback *aCallback)
 {
   mCallback = aCallback;
 }
 } // namespace devicestorage
 } // namespace dom
 } // namespace mozilla

The Tor Browser / annotate

dom/devicestorage/DeviceStorageRequestChild.cpp@6474c204b198 (annotated)

dom/devicestorage/DeviceStorageRequestChild.cpp