forked from mirrors/gecko-dev
e3eca2660e
The method is infallible, and making the callers invoke js::GetGlobalForObjectCrossCompartment manually is dumb.
109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
/* 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 "TestShellParent.h"
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/* This must occur *after* TestShellParent.h to avoid typedefs conflicts. */
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#include "jsfriendapi.h"
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/dom/ContentParent.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "nsAutoPtr.h"
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#include "xpcpublic.h"
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using namespace mozilla;
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using mozilla::ipc::TestShellParent;
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using mozilla::ipc::TestShellCommandParent;
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using mozilla::ipc::PTestShellCommandParent;
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using mozilla::dom::ContentParent;
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void
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TestShellParent::ActorDestroy(ActorDestroyReason aWhy)
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{
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// Implement me! Bug 1005177
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}
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PTestShellCommandParent*
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TestShellParent::AllocPTestShellCommandParent(const nsString& aCommand)
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{
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return new TestShellCommandParent();
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}
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bool
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TestShellParent::DeallocPTestShellCommandParent(PTestShellCommandParent* aActor)
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{
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delete aActor;
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return true;
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}
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bool
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TestShellParent::CommandDone(TestShellCommandParent* command,
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const nsString& aResponse)
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{
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// XXX what should happen if the callback fails?
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/*bool ok = */command->RunCallback(aResponse);
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command->ReleaseCallback();
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return true;
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}
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bool
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TestShellCommandParent::SetCallback(JSContext* aCx,
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JS::Value aCallback)
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{
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if (!mCallback.Hold(aCx)) {
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return false;
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}
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mCallback = aCallback;
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return true;
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}
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bool
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TestShellCommandParent::RunCallback(const nsString& aResponse)
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{
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NS_ENSURE_TRUE(mCallback.ToJSObject(), false);
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// We're about to run script via JS_CallFunctionValue, so we need an
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// AutoEntryScript. This is just for testing and not in any spec.
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dom::AutoEntryScript aes(xpc::NativeGlobal(js::GetGlobalForObjectCrossCompartment(mCallback.ToJSObject())));
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JSContext* cx = aes.cx();
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JS::Rooted<JSObject*> global(cx, JS::CurrentGlobalOrNull(cx));
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JSString* str = JS_NewUCStringCopyN(cx, aResponse.get(), aResponse.Length());
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NS_ENSURE_TRUE(str, false);
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JS::Rooted<JS::Value> strVal(cx, JS::StringValue(str));
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JS::Rooted<JS::Value> rval(cx);
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JS::Rooted<JS::Value> callback(cx, mCallback);
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bool ok = JS_CallFunctionValue(cx, global, callback, JS::HandleValueArray(strVal), &rval);
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NS_ENSURE_TRUE(ok, false);
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return true;
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}
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void
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TestShellCommandParent::ReleaseCallback()
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{
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mCallback.Release();
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}
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bool
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TestShellCommandParent::ExecuteCallback(const nsString& aResponse)
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{
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return static_cast<TestShellParent*>(Manager())->CommandDone(
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this, aResponse);
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}
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void
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TestShellCommandParent::ActorDestroy(ActorDestroyReason why)
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{
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if (why == AbnormalShutdown) {
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ExecuteCallback(EmptyString());
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}
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}
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