gecko-dev/ipc/testshell/TestShellParent.cpp

110 строки
2.7 KiB
C++

/* 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 "TestShellParent.h"
/* This must occur *after* TestShellParent.h to avoid typedefs conflicts. */
#include "jsfriendapi.h"
#include "mozilla/ArrayUtils.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/ScriptSettings.h"
#include "xpcpublic.h"
using namespace mozilla;
using mozilla::ipc::TestShellParent;
using mozilla::ipc::TestShellCommandParent;
using mozilla::ipc::PTestShellCommandParent;
using mozilla::dom::ContentParent;
void
TestShellParent::ActorDestroy(ActorDestroyReason aWhy)
{
// Implement me! Bug 1005177
}
PTestShellCommandParent*
TestShellParent::AllocPTestShellCommandParent(const nsString& aCommand)
{
return new TestShellCommandParent();
}
bool
TestShellParent::DeallocPTestShellCommandParent(PTestShellCommandParent* aActor)
{
delete aActor;
return true;
}
bool
TestShellParent::CommandDone(TestShellCommandParent* command,
const nsString& aResponse)
{
// XXX what should happen if the callback fails?
/*bool ok = */command->RunCallback(aResponse);
command->ReleaseCallback();
return true;
}
bool
TestShellCommandParent::SetCallback(JSContext* aCx,
const JS::Value& aCallback)
{
if (!mCallback.initialized()) {
mCallback.init(aCx, aCallback);
return true;
}
mCallback = aCallback;
return true;
}
bool
TestShellCommandParent::RunCallback(const nsString& aResponse)
{
NS_ENSURE_TRUE(mCallback.isObject(), false);
// We're about to run script via JS_CallFunctionValue, so we need an
// AutoEntryScript. This is just for testing and not in any spec.
dom::AutoEntryScript aes(&mCallback.toObject(), "TestShellCommand");
JSContext* cx = aes.cx();
JS::Rooted<JSObject*> global(cx, JS::CurrentGlobalOrNull(cx));
JSString* str = JS_NewUCStringCopyN(cx, aResponse.get(), aResponse.Length());
NS_ENSURE_TRUE(str, false);
JS::Rooted<JS::Value> strVal(cx, JS::StringValue(str));
JS::Rooted<JS::Value> rval(cx);
JS::Rooted<JS::Value> callback(cx, mCallback);
bool ok = JS_CallFunctionValue(cx, global, callback, JS::HandleValueArray(strVal), &rval);
NS_ENSURE_TRUE(ok, false);
return true;
}
void
TestShellCommandParent::ReleaseCallback()
{
mCallback.reset();
}
bool
TestShellCommandParent::ExecuteCallback(const nsString& aResponse)
{
return static_cast<TestShellParent*>(Manager())->CommandDone(
this, aResponse);
}
void
TestShellCommandParent::ActorDestroy(ActorDestroyReason why)
{
if (why == AbnormalShutdown) {
ExecuteCallback(EmptyString());
}
}