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91448a9dac
There are still a handful that either are used with other runtimes, or that happen very early/late in cx the lifetime of various things where it doesn't necessarily make sense to have a cx on the stack. This should definitely ensure that we're not doing double-duty with the nsCxPusher change, though.
136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* 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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#include "FileRequest.h"
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#include "DOMFileRequest.h"
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#include "nsContentUtils.h"
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#include "nsCxPusher.h"
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#include "nsEventDispatcher.h"
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#include "nsError.h"
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#include "nsIDOMProgressEvent.h"
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#include "nsDOMClassInfoID.h"
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#include "FileHelper.h"
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#include "LockedFile.h"
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USING_FILE_NAMESPACE
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FileRequest::FileRequest(nsIDOMWindow* aWindow)
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: DOMRequest(aWindow)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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}
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FileRequest::~FileRequest()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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}
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// static
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already_AddRefed<FileRequest>
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FileRequest::Create(nsIDOMWindow* aOwner,
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LockedFile* aLockedFile,
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bool aIsFileRequest)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsRefPtr<FileRequest> request;
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if (aIsFileRequest) {
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request = new DOMFileRequest(aOwner);
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} else {
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request = new FileRequest(aOwner);
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}
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request->mLockedFile = aLockedFile;
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return request.forget();
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}
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nsresult
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FileRequest::PreHandleEvent(nsEventChainPreVisitor& aVisitor)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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aVisitor.mCanHandle = true;
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aVisitor.mParentTarget = mLockedFile;
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return NS_OK;
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}
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nsresult
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FileRequest::NotifyHelperCompleted(FileHelper* aFileHelper)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsresult rv = aFileHelper->mResultCode;
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// If the request failed then fire error event and return.
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if (NS_FAILED(rv)) {
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FireError(rv);
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return NS_OK;
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}
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// Otherwise we need to get the result from the helper.
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nsIScriptContext* sc = GetContextForEventHandlers(&rv);
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NS_ENSURE_STATE(sc);
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AutoPushJSContext cx(sc->GetNativeContext());
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NS_ASSERTION(cx, "Failed to get a context!");
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JS::Rooted<JS::Value> result(cx);
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JS::Rooted<JSObject*> global(cx, sc->GetNativeGlobal());
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NS_ASSERTION(global, "Failed to get global object!");
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JSAutoCompartment ac(cx, global);
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rv = aFileHelper->GetSuccessResult(cx, result.address());
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if (NS_FAILED(rv)) {
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NS_WARNING("GetSuccessResult failed!");
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}
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if (NS_SUCCEEDED(rv)) {
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FireSuccess(result);
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}
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else {
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FireError(rv);
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}
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return NS_OK;
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}
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NS_IMPL_CYCLE_COLLECTION_INHERITED_1(FileRequest, DOMRequest,
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mLockedFile)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(FileRequest)
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NS_INTERFACE_MAP_END_INHERITING(DOMRequest)
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NS_IMPL_ADDREF_INHERITED(FileRequest, DOMRequest)
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NS_IMPL_RELEASE_INHERITED(FileRequest, DOMRequest)
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void
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FileRequest::FireProgressEvent(uint64_t aLoaded, uint64_t aTotal)
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{
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if (NS_FAILED(CheckInnerWindowCorrectness())) {
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return;
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}
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nsCOMPtr<nsIDOMEvent> event;
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nsresult rv = NS_NewDOMProgressEvent(getter_AddRefs(event), this,
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nullptr, nullptr);
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if (NS_FAILED(rv)) {
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return;
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}
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nsCOMPtr<nsIDOMProgressEvent> progress = do_QueryInterface(event);
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MOZ_ASSERT(progress);
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rv = progress->InitProgressEvent(NS_LITERAL_STRING("progress"), false, false,
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false, aLoaded, aTotal);
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if (NS_FAILED(rv)) {
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return;
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}
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DispatchTrustedEvent(event);
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}
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