gecko/dom/workers/File.cpp
Ryan VanderMeulen 671d1a817e Backed out 7 changesets (bug 1047483, bug 1079301, bug 1079335) for webplatform test failures.
Backed out changeset 7d06b68c44d0 (bug 1079335)
Backed out changeset 92030169528e (bug 1079301)
Backed out changeset c09d7f95554a (bug 1047483)
Backed out changeset c199f1057d7e (bug 1047483)
Backed out changeset 18830d07884c (bug 1047483)
Backed out changeset e087289ccfbb (bug 1047483)
Backed out changeset 6238ff5d3ed0 (bug 1047483)

CLOSED TREE

--HG--
rename : content/base/public/File.h => content/base/public/nsDOMFile.h
rename : content/base/src/MultipartFileImpl.cpp => content/base/src/nsDOMBlobBuilder.cpp
rename : content/base/src/MultipartFileImpl.h => content/base/src/nsDOMBlobBuilder.h
rename : content/base/src/File.cpp => content/base/src/nsDOMFile.cpp
2014-10-07 13:16:11 -04:00

504 lines
12 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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 "File.h"
#include "nsDOMFile.h"
#include "nsDOMBlobBuilder.h"
#include "nsError.h"
#include "jsapi.h"
#include "jsfriendapi.h"
#include "nsCOMPtr.h"
#include "nsJSUtils.h"
#include "nsString.h"
#include "mozilla/dom/Exceptions.h"
#include "WorkerInlines.h"
#include "WorkerPrivate.h"
USING_WORKERS_NAMESPACE
using mozilla::dom::Throw;
namespace {
class Blob
{
// Blob should never be instantiated.
Blob();
~Blob();
static const JSClass sClass;
static const JSPropertySpec sProperties[];
static const JSFunctionSpec sFunctions[];
public:
static JSObject*
InitClass(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return JS_InitClass(aCx, aObj, JS::NullPtr(), &sClass, Construct, 0,
sProperties, sFunctions, nullptr, nullptr);
}
static JSObject*
Create(JSContext* aCx, nsIDOMBlob* aBlob)
{
MOZ_ASSERT(SameCOMIdentity(static_cast<nsISupports*>(aBlob), aBlob));
JSObject* obj = JS_NewObject(aCx, &sClass, JS::NullPtr(), JS::NullPtr());
if (obj) {
JS_SetPrivate(obj, aBlob);
NS_ADDREF(aBlob);
}
return obj;
}
static nsIDOMBlob*
GetPrivate(JSObject* aObj);
private:
static nsIDOMBlob*
GetInstancePrivate(JSContext* aCx, JS::Handle<JSObject*> aObj, const char* aFunctionName)
{
nsIDOMBlob* blob = GetPrivate(aObj);
if (blob) {
return blob;
}
JS_ReportErrorNumber(aCx, js_GetErrorMessage, nullptr,
JSMSG_INCOMPATIBLE_PROTO, sClass.name, aFunctionName,
JS_GetClass(aObj)->name);
return nullptr;
}
static nsIDOMBlob*
Unwrap(JSContext* aCx, JSObject* aObj)
{
return GetPrivate(aObj);
}
static bool
Construct(JSContext* aCx, unsigned aArgc, jsval* aVp)
{
JS::CallArgs args = CallArgsFromVp(aArgc, aVp);
nsRefPtr<DOMMultipartFileImpl> fileImpl = new DOMMultipartFileImpl();
nsRefPtr<mozilla::dom::DOMFile> file = new mozilla::dom::DOMFile(fileImpl);
nsresult rv = fileImpl->InitBlob(aCx, args.length(), args.array(), Unwrap);
if (NS_FAILED(rv)) {
return Throw(aCx, rv);
}
JSObject* obj = file::CreateBlob(aCx, file);
if (!obj) {
return false;
}
args.rval().setObject(*obj);
return true;
}
static void
Finalize(JSFreeOp* aFop, JSObject* aObj)
{
MOZ_ASSERT(JS_GetClass(aObj) == &sClass);
nsIDOMBlob* blob = GetPrivate(aObj);
NS_IF_RELEASE(blob);
}
static bool
IsBlob(JS::Handle<JS::Value> v)
{
return v.isObject() && GetPrivate(&v.toObject()) != nullptr;
}
static bool
GetSizeImpl(JSContext* aCx, JS::CallArgs aArgs)
{
JS::Rooted<JSObject*> obj(aCx, &aArgs.thisv().toObject());
nsIDOMBlob* blob = GetInstancePrivate(aCx, obj, "size");
MOZ_ASSERT(blob);
uint64_t size;
if (NS_FAILED(blob->GetSize(&size))) {
return Throw(aCx, NS_ERROR_DOM_FILE_NOT_READABLE_ERR);
}
aArgs.rval().setNumber(double(size));
return true;
}
static bool
GetSize(JSContext* aCx, unsigned aArgc, JS::Value* aVp)
{
JS::CallArgs args = JS::CallArgsFromVp(aArgc, aVp);
return JS::CallNonGenericMethod<IsBlob, GetSizeImpl>(aCx, args);
}
static bool
GetTypeImpl(JSContext* aCx, JS::CallArgs aArgs)
{
JS::Rooted<JSObject*> obj(aCx, &aArgs.thisv().toObject());
nsIDOMBlob* blob = GetInstancePrivate(aCx, obj, "type");
MOZ_ASSERT(blob);
nsString type;
if (NS_FAILED(blob->GetType(type))) {
return Throw(aCx, NS_ERROR_DOM_FILE_NOT_READABLE_ERR);
}
JSString* jsType = JS_NewUCStringCopyN(aCx, type.get(), type.Length());
if (!jsType) {
return false;
}
aArgs.rval().setString(jsType);
return true;
}
static bool
GetType(JSContext* aCx, unsigned aArgc, JS::Value* aVp)
{
JS::CallArgs args = JS::CallArgsFromVp(aArgc, aVp);
return JS::CallNonGenericMethod<IsBlob, GetTypeImpl>(aCx, args);
}
static bool
Slice(JSContext* aCx, unsigned aArgc, jsval* aVp)
{
JS::CallArgs args = JS::CallArgsFromVp(aArgc, aVp);
JS::Rooted<JSObject*> obj(aCx, args.thisv().toObjectOrNull());
if (!obj) {
return false;
}
nsIDOMBlob* blob = GetInstancePrivate(aCx, obj, "slice");
if (!blob) {
return false;
}
double start = 0, end = 0;
JS::Rooted<JSString*> jsContentType(aCx, JS_GetEmptyString(JS_GetRuntime(aCx)));
if (!JS_ConvertArguments(aCx, args, "/IIS", &start,
&end, jsContentType.address())) {
return false;
}
nsAutoJSString contentType;
if (!contentType.init(aCx, jsContentType)) {
return false;
}
uint8_t optionalArgc = aArgc;
nsCOMPtr<nsIDOMBlob> rtnBlob;
if (NS_FAILED(blob->Slice(static_cast<uint64_t>(start),
static_cast<uint64_t>(end),
contentType, optionalArgc,
getter_AddRefs(rtnBlob)))) {
return Throw(aCx, NS_ERROR_DOM_FILE_NOT_READABLE_ERR);
}
JSObject* rtnObj = file::CreateBlob(aCx, rtnBlob);
if (!rtnObj) {
return false;
}
args.rval().setObject(*rtnObj);
return true;
}
};
const JSClass Blob::sClass = {
"Blob",
JSCLASS_HAS_PRIVATE,
JS_PropertyStub, JS_DeletePropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, Finalize
};
const JSPropertySpec Blob::sProperties[] = {
JS_PSGS("size", GetSize, GetterOnlyJSNative, JSPROP_ENUMERATE),
JS_PSGS("type", GetType, GetterOnlyJSNative, JSPROP_ENUMERATE),
JS_PS_END
};
const JSFunctionSpec Blob::sFunctions[] = {
JS_FN("slice", Slice, 1, JSPROP_ENUMERATE),
JS_FS_END
};
class File : public Blob
{
// File should never be instantiated.
File();
~File();
static const JSClass sClass;
static const JSPropertySpec sProperties[];
public:
static JSObject*
InitClass(JSContext* aCx, JS::Handle<JSObject*> aObj, JS::Handle<JSObject*> aParentProto)
{
return JS_InitClass(aCx, aObj, aParentProto, &sClass, Construct, 0,
sProperties, nullptr, nullptr, nullptr);
}
static JSObject*
Create(JSContext* aCx, nsIDOMFile* aFile)
{
MOZ_ASSERT(SameCOMIdentity(static_cast<nsISupports*>(aFile), aFile));
JSObject* obj = JS_NewObject(aCx, &sClass, JS::NullPtr(), JS::NullPtr());
if (obj) {
JS_SetPrivate(obj, aFile);
NS_ADDREF(aFile);
}
return obj;
}
static nsIDOMFile*
GetPrivate(JSObject* aObj)
{
if (aObj) {
const JSClass* classPtr = JS_GetClass(aObj);
if (classPtr == &sClass) {
nsISupports* priv = static_cast<nsISupports*>(JS_GetPrivate(aObj));
nsCOMPtr<nsIDOMFile> file = do_QueryInterface(priv);
MOZ_ASSERT_IF(priv, file);
return file;
}
}
return nullptr;
}
static const JSClass*
Class()
{
return &sClass;
}
private:
static nsIDOMFile*
GetInstancePrivate(JSContext* aCx, JS::Handle<JSObject*> aObj, const char* aFunctionName)
{
nsIDOMFile* file = GetPrivate(aObj);
if (file) {
return file;
}
JS_ReportErrorNumber(aCx, js_GetErrorMessage, nullptr,
JSMSG_INCOMPATIBLE_PROTO, sClass.name, aFunctionName,
JS_GetClass(aObj)->name);
return nullptr;
}
static bool
Construct(JSContext* aCx, unsigned aArgc, jsval* aVp)
{
JS_ReportErrorNumber(aCx, js_GetErrorMessage, nullptr,
JSMSG_WRONG_CONSTRUCTOR,
sClass.name);
return false;
}
static void
Finalize(JSFreeOp* aFop, JSObject* aObj)
{
MOZ_ASSERT(JS_GetClass(aObj) == &sClass);
nsIDOMFile* file = GetPrivate(aObj);
NS_IF_RELEASE(file);
}
static bool
IsFile(JS::Handle<JS::Value> v)
{
return v.isObject() && GetPrivate(&v.toObject()) != nullptr;
}
static bool
GetMozFullPathImpl(JSContext* aCx, JS::CallArgs aArgs)
{
JS::Rooted<JSObject*> obj(aCx, &aArgs.thisv().toObject());
nsIDOMFile* file = GetInstancePrivate(aCx, obj, "mozFullPath");
MOZ_ASSERT(file);
nsString fullPath;
if (GetWorkerPrivateFromContext(aCx)->UsesSystemPrincipal() &&
NS_FAILED(file->GetMozFullPathInternal(fullPath))) {
return Throw(aCx, NS_ERROR_DOM_FILE_NOT_READABLE_ERR);
}
JSString* jsFullPath = JS_NewUCStringCopyN(aCx, fullPath.get(),
fullPath.Length());
if (!jsFullPath) {
return false;
}
aArgs.rval().setString(jsFullPath);
return true;
}
static bool
GetMozFullPath(JSContext* aCx, unsigned aArgc, JS::Value* aVp)
{
JS::CallArgs args = JS::CallArgsFromVp(aArgc, aVp);
return JS::CallNonGenericMethod<IsFile, GetMozFullPathImpl>(aCx, args);
}
static bool
GetNameImpl(JSContext* aCx, JS::CallArgs aArgs)
{
JS::Rooted<JSObject*> obj(aCx, &aArgs.thisv().toObject());
nsIDOMFile* file = GetInstancePrivate(aCx, obj, "name");
MOZ_ASSERT(file);
nsString name;
if (NS_FAILED(file->GetName(name))) {
name.Truncate();
}
JSString* jsName = JS_NewUCStringCopyN(aCx, name.get(), name.Length());
if (!jsName) {
return false;
}
aArgs.rval().setString(jsName);
return true;
}
static bool
GetName(JSContext* aCx, unsigned aArgc, JS::Value* aVp)
{
JS::CallArgs args = JS::CallArgsFromVp(aArgc, aVp);
return JS::CallNonGenericMethod<IsFile, GetNameImpl>(aCx, args);
}
static bool
GetPathImpl(JSContext* aCx, JS::CallArgs aArgs)
{
JS::Rooted<JSObject*> obj(aCx, &aArgs.thisv().toObject());
nsIDOMFile* file = GetInstancePrivate(aCx, obj, "path");
MOZ_ASSERT(file);
nsString path;
if (NS_FAILED(file->GetPath(path))) {
path.Truncate();
}
JSString* jsPath = JS_NewUCStringCopyN(aCx, path.get(), path.Length());
if (!jsPath) {
return false;
}
aArgs.rval().setString(jsPath);
return true;
}
static bool
GetPath(JSContext* aCx, unsigned aArgc, JS::Value* aVp)
{
JS::CallArgs args = JS::CallArgsFromVp(aArgc, aVp);
return JS::CallNonGenericMethod<IsFile, GetPathImpl>(aCx, args);
}
static bool
GetLastModifiedDateImpl(JSContext* aCx, JS::CallArgs aArgs)
{
JS::Rooted<JSObject*> obj(aCx, &aArgs.thisv().toObject());
nsIDOMFile* file = GetInstancePrivate(aCx, obj, "lastModifiedDate");
MOZ_ASSERT(file);
if (NS_FAILED(file->GetLastModifiedDate(aCx, aArgs.rval()))) {
return false;
}
return true;
}
static bool
GetLastModifiedDate(JSContext* aCx, unsigned aArgc, JS::Value* aVp)
{
JS::CallArgs args = JS::CallArgsFromVp(aArgc, aVp);
return JS::CallNonGenericMethod<IsFile, GetLastModifiedDateImpl>(aCx, args);
}
};
const JSClass File::sClass = {
"File",
JSCLASS_HAS_PRIVATE,
JS_PropertyStub, JS_DeletePropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, Finalize
};
const JSPropertySpec File::sProperties[] = {
JS_PSGS("name", GetName, GetterOnlyJSNative, JSPROP_ENUMERATE),
JS_PSGS("path", GetPath, GetterOnlyJSNative, JSPROP_ENUMERATE),
JS_PSGS("lastModifiedDate", GetLastModifiedDate, GetterOnlyJSNative,
JSPROP_ENUMERATE),
JS_PSGS("mozFullPath", GetMozFullPath, GetterOnlyJSNative, JSPROP_ENUMERATE),
JS_PS_END
};
nsIDOMBlob*
Blob::GetPrivate(JSObject* aObj)
{
if (aObj) {
const JSClass* classPtr = JS_GetClass(aObj);
if (classPtr == &sClass || classPtr == File::Class()) {
nsISupports* priv = static_cast<nsISupports*>(JS_GetPrivate(aObj));
nsCOMPtr<nsIDOMBlob> blob = do_QueryInterface(priv);
MOZ_ASSERT_IF(priv, blob);
return blob;
}
}
return nullptr;
}
} // anonymous namespace
BEGIN_WORKERS_NAMESPACE
namespace file {
JSObject*
CreateBlob(JSContext* aCx, nsIDOMBlob* aBlob)
{
return Blob::Create(aCx, aBlob);
}
bool
InitClasses(JSContext* aCx, JS::Handle<JSObject*> aGlobal)
{
JS::Rooted<JSObject*> blobProto(aCx, Blob::InitClass(aCx, aGlobal));
return blobProto && File::InitClass(aCx, aGlobal, blobProto);
}
nsIDOMBlob*
GetDOMBlobFromJSObject(JSObject* aObj)
{
return Blob::GetPrivate(aObj);
}
JSObject*
CreateFile(JSContext* aCx, nsIDOMFile* aFile)
{
return File::Create(aCx, aFile);
}
nsIDOMFile*
GetDOMFileFromJSObject(JSObject* aObj)
{
return File::GetPrivate(aObj);
}
} // namespace file
END_WORKERS_NAMESPACE