mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Activity.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "mozilla/dom/ContentChild.h"
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#include "nsContentUtils.h"
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#include "nsDOMClassInfo.h"
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#include "nsIConsoleService.h"
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#include "nsIDocShell.h"
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#include "nsIDocument.h"
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using namespace mozilla::dom;
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(Activity)
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NS_INTERFACE_MAP_END_INHERITING(DOMRequest)
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NS_IMPL_ADDREF_INHERITED(Activity, DOMRequest)
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NS_IMPL_RELEASE_INHERITED(Activity, DOMRequest)
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NS_IMPL_CYCLE_COLLECTION_INHERITED(Activity, DOMRequest,
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mProxy)
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(Activity, DOMRequest)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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/* virtual */ JSObject*
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Activity::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return MozActivityBinding::Wrap(aCx, this, aGivenProto);
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}
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nsresult
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Activity::Initialize(nsPIDOMWindowInner* aWindow,
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JSContext* aCx,
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const ActivityOptions& aOptions)
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{
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MOZ_ASSERT(aWindow);
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nsCOMPtr<nsIDocument> document = aWindow->GetExtantDoc();
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bool isActive;
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aWindow->GetDocShell()->GetIsActive(&isActive);
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if (!isActive &&
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!nsContentUtils::IsChromeDoc(document)) {
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nsCOMPtr<nsIDOMRequestService> rs =
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do_GetService("@mozilla.org/dom/dom-request-service;1");
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rs->FireErrorAsync(static_cast<DOMRequest*>(this),
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NS_LITERAL_STRING("NotUserInput"));
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nsCOMPtr<nsIConsoleService> console(
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do_GetService("@mozilla.org/consoleservice;1"));
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NS_ENSURE_TRUE(console, NS_OK);
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nsString message =
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NS_LITERAL_STRING("Can only start activity from user input or chrome code");
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console->LogStringMessage(message.get());
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return NS_OK;
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}
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// Instantiate a JS proxy that will do the child <-> parent communication
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// with the JS implementation of the backend.
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nsresult rv;
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mProxy = do_CreateInstance("@mozilla.org/dom/activities/proxy;1", &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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// We're about the pass the dictionary to a JS-implemented component, so
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// rehydrate it in a system scode so that security wrappers don't get in the
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// way. See bug 1161748 comment 16.
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bool ok;
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JS::Rooted<JS::Value> optionsValue(aCx);
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{
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JSAutoCompartment ac(aCx, xpc::PrivilegedJunkScope());
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ok = ToJSValue(aCx, aOptions, &optionsValue);
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NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE);
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}
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ok = JS_WrapValue(aCx, &optionsValue);
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NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE);
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ContentChild *cpc = ContentChild::GetSingleton();
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uint64_t childID = cpc ? cpc->GetID() : 0;
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mProxy->StartActivity(static_cast<nsIDOMDOMRequest*>(this), optionsValue,
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aWindow, childID);
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return NS_OK;
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}
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Activity::~Activity()
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{
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if (mProxy) {
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mProxy->Cleanup();
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}
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}
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Activity::Activity(nsPIDOMWindowInner* aWindow)
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: DOMRequest(aWindow)
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{
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}
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