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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
246
dom/xul/nsXULControllers.cpp
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246
dom/xul/nsXULControllers.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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/*
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This file provides the implementation for the XUL "controllers"
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object.
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*/
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#include "nsString.h"
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#include "nsIControllers.h"
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#include "nsIDOMElement.h"
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#include "nsXULControllers.h"
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#include "nsDOMClassInfoID.h"
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#include "nsIController.h"
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//----------------------------------------------------------------------
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nsXULControllers::nsXULControllers()
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: mCurControllerID(0)
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{
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}
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nsXULControllers::~nsXULControllers(void)
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{
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DeleteControllers();
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}
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void
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nsXULControllers::DeleteControllers()
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{
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uint32_t count = mControllers.Length();
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for (uint32_t i = 0; i < count; i++)
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{
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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delete controllerData; // releases the nsIController
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}
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mControllers.Clear();
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}
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nsresult
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NS_NewXULControllers(nsISupports* aOuter, REFNSIID aIID, void** aResult)
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{
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NS_PRECONDITION(aOuter == nullptr, "no aggregation");
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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nsXULControllers* controllers = new nsXULControllers();
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nsresult rv;
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NS_ADDREF(controllers);
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rv = controllers->QueryInterface(aIID, aResult);
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NS_RELEASE(controllers);
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return rv;
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(nsXULControllers)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsXULControllers)
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tmp->DeleteControllers();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsXULControllers)
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{
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uint32_t i, count = tmp->mControllers.Length();
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for (i = 0; i < count; ++i) {
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nsXULControllerData* controllerData = tmp->mControllers[i];
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if (controllerData) {
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cb.NoteXPCOMChild(controllerData->mController);
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}
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}
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}
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsXULControllers)
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NS_INTERFACE_MAP_ENTRY(nsIControllers)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIControllers)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(XULControllers)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(nsXULControllers)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(nsXULControllers)
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NS_IMETHODIMP
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nsXULControllers::GetControllerForCommand(const char *aCommand, nsIController** _retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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*_retval = nullptr;
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uint32_t count = mControllers.Length();
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for (uint32_t i=0; i < count; i++)
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{
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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if (controllerData)
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{
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nsCOMPtr<nsIController> controller;
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controllerData->GetController(getter_AddRefs(controller));
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if (controller)
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{
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bool supportsCommand;
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controller->SupportsCommand(aCommand, &supportsCommand);
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if (supportsCommand) {
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controller.forget(_retval);
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return NS_OK;
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}
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}
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXULControllers::InsertControllerAt(uint32_t aIndex, nsIController *controller)
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{
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nsXULControllerData* controllerData = new nsXULControllerData(++mCurControllerID, controller);
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#ifdef DEBUG
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nsXULControllerData** inserted =
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#endif
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mControllers.InsertElementAt(aIndex, controllerData);
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NS_ASSERTION(inserted != nullptr, "Insertion of controller failed");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXULControllers::RemoveControllerAt(uint32_t aIndex, nsIController **_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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*_retval = nullptr;
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nsXULControllerData* controllerData = mControllers.SafeElementAt(aIndex);
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if (!controllerData) return NS_ERROR_FAILURE;
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mControllers.RemoveElementAt(aIndex);
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controllerData->GetController(_retval);
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delete controllerData;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXULControllers::GetControllerAt(uint32_t aIndex, nsIController **_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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*_retval = nullptr;
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nsXULControllerData* controllerData = mControllers.SafeElementAt(aIndex);
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if (!controllerData) return NS_ERROR_FAILURE;
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return controllerData->GetController(_retval); // does the addref
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}
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NS_IMETHODIMP
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nsXULControllers::AppendController(nsIController *controller)
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{
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// This assigns controller IDs starting at 1 so we can use 0 to test if an ID was obtained
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nsXULControllerData* controllerData = new nsXULControllerData(++mCurControllerID, controller);
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#ifdef DEBUG
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nsXULControllerData** appended =
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#endif
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mControllers.AppendElement(controllerData);
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NS_ASSERTION(appended != nullptr, "Appending controller failed");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXULControllers::RemoveController(nsIController *controller)
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{
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// first get the identity pointer
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nsCOMPtr<nsISupports> controllerSup(do_QueryInterface(controller));
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// then find it
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uint32_t count = mControllers.Length();
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for (uint32_t i = 0; i < count; i++)
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{
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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if (controllerData)
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{
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nsCOMPtr<nsIController> thisController;
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controllerData->GetController(getter_AddRefs(thisController));
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nsCOMPtr<nsISupports> thisControllerSup(do_QueryInterface(thisController)); // get identity
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if (thisControllerSup == controllerSup)
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{
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mControllers.RemoveElementAt(i);
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delete controllerData;
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return NS_OK;
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}
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}
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}
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return NS_ERROR_FAILURE; // right thing to return if no controller found?
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}
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NS_IMETHODIMP
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nsXULControllers::GetControllerId(nsIController *controller, uint32_t *_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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uint32_t count = mControllers.Length();
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for (uint32_t i = 0; i < count; i++)
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{
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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if (controllerData)
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{
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nsCOMPtr<nsIController> thisController;
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controllerData->GetController(getter_AddRefs(thisController));
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if (thisController.get() == controller)
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{
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*_retval = controllerData->GetControllerID();
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return NS_OK;
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}
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}
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}
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return NS_ERROR_FAILURE; // none found
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}
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NS_IMETHODIMP
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nsXULControllers::GetControllerById(uint32_t controllerID, nsIController **_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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uint32_t count = mControllers.Length();
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for (uint32_t i = 0; i < count; i++)
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{
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nsXULControllerData* controllerData = mControllers.ElementAt(i);
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if (controllerData && controllerData->GetControllerID() == controllerID)
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{
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return controllerData->GetController(_retval);
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}
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}
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return NS_ERROR_FAILURE; // none found
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}
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NS_IMETHODIMP
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nsXULControllers::GetControllerCount(uint32_t *_retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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*_retval = mControllers.Length();
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return NS_OK;
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}
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