gecko-dev/ipc/testshell/TestShellParent.cpp

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla IPCShell.
*
* The Initial Developer of the Original Code is
* Ben Turner <bent.mozilla@gmail.com>.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "TestShellParent.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/jsipc/ContextWrapperParent.h"
#include "nsAutoPtr.h"
using mozilla::ipc::TestShellParent;
using mozilla::ipc::TestShellCommandParent;
using mozilla::ipc::PTestShellCommandParent;
using mozilla::dom::ContentParent;
using mozilla::jsipc::PContextWrapperParent;
using mozilla::jsipc::ContextWrapperParent;
PTestShellCommandParent*
TestShellParent::AllocPTestShellCommand(const nsString& aCommand)
{
return new TestShellCommandParent();
}
bool
TestShellParent::DeallocPTestShellCommand(PTestShellCommandParent* aActor)
{
delete aActor;
return true;
}
bool
TestShellParent::CommandDone(TestShellCommandParent* command,
const nsString& aResponse)
{
// XXX what should happen if the callback fails?
/*JSBool ok = */command->RunCallback(aResponse);
command->ReleaseCallback();
return true;
}
PContextWrapperParent*
TestShellParent::AllocPContextWrapper()
{
ContentParent* cpp = static_cast<ContentParent*>(Manager());
return new ContextWrapperParent(cpp);
}
bool
TestShellParent::DeallocPContextWrapper(PContextWrapperParent* actor)
{
delete actor;
return true;
}
JSBool
TestShellParent::GetGlobalJSObject(JSContext* cx, JSObject** globalp)
{
// TODO Unify this code with TabParent::GetGlobalJSObject.
InfallibleTArray<PContextWrapperParent*> cwps(1);
ManagedPContextWrapperParent(cwps);
if (cwps.Length() < 1)
return JS_FALSE;
NS_ASSERTION(cwps.Length() == 1, "More than one PContextWrapper?");
ContextWrapperParent* cwp = static_cast<ContextWrapperParent*>(cwps[0]);
return cwp->GetGlobalJSObject(cx, globalp);
}
JSBool
TestShellCommandParent::SetCallback(JSContext* aCx,
jsval aCallback)
{
if (!mCallback.Hold(aCx)) {
return JS_FALSE;
}
mCallback = aCallback;
mCx = aCx;
return JS_TRUE;
}
JSBool
TestShellCommandParent::RunCallback(const nsString& aResponse)
{
NS_ENSURE_TRUE(mCallback != JSVAL_NULL && mCx, JS_FALSE);
JSAutoRequest ar(mCx);
JSObject* global = JS_GetGlobalObject(mCx);
NS_ENSURE_TRUE(global, JS_FALSE);
JSAutoEnterCompartment ac;
if (!ac.enter(mCx, global)) {
NS_ERROR("Failed to enter compartment!");
return false;
}
JSString* str = JS_NewUCStringCopyN(mCx, aResponse.get(), aResponse.Length());
NS_ENSURE_TRUE(str, JS_FALSE);
jsval argv[] = { STRING_TO_JSVAL(str) };
int argc = NS_ARRAY_LENGTH(argv);
jsval rval;
JSBool ok = JS_CallFunctionValue(mCx, global, mCallback, argc, argv, &rval);
NS_ENSURE_TRUE(ok, JS_FALSE);
return JS_TRUE;
}
void
TestShellCommandParent::ReleaseCallback()
{
mCallback.Release();
}