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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsString.h"
#include "nsIComponentManager.h"
#include "nsBaseCommandController.h"
#include "nsString.h"
#include "nsWeakPtr.h"
NS_IMPL_ADDREF(nsBaseCommandController)
NS_IMPL_RELEASE(nsBaseCommandController)
NS_INTERFACE_MAP_BEGIN(nsBaseCommandController)
NS_INTERFACE_MAP_ENTRY(nsIController)
NS_INTERFACE_MAP_ENTRY(nsICommandController)
NS_INTERFACE_MAP_ENTRY(nsIControllerContext)
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIControllerContext)
NS_INTERFACE_MAP_END
nsBaseCommandController::nsBaseCommandController()
: mCommandContextRawPtr(nullptr)
{
}
nsBaseCommandController::~nsBaseCommandController()
{
}
NS_IMETHODIMP
nsBaseCommandController::Init(nsIControllerCommandTable* aCommandTable)
{
nsresult rv = NS_OK;
if (aCommandTable) {
mCommandTable = aCommandTable;
} else {
mCommandTable =
do_CreateInstance(NS_CONTROLLERCOMMANDTABLE_CONTRACTID, &rv);
}
return rv;
}
NS_IMETHODIMP
nsBaseCommandController::SetCommandContext(nsISupports* aCommandContext)
{
mCommandContextWeakPtr = nullptr;
mCommandContextRawPtr = nullptr;
if (aCommandContext) {
nsCOMPtr<nsISupportsWeakReference> weak = do_QueryInterface(aCommandContext);
if (weak) {
nsresult rv =
weak->GetWeakReference(getter_AddRefs(mCommandContextWeakPtr));
NS_ENSURE_SUCCESS(rv, rv);
} else {
mCommandContextRawPtr = aCommandContext;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsBaseCommandController::GetInterface(const nsIID& aIID, void** aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
if (NS_SUCCEEDED(QueryInterface(aIID, aResult))) {
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIControllerCommandTable))) {
if (mCommandTable) {
return mCommandTable->QueryInterface(aIID, aResult);
}
return NS_ERROR_NOT_INITIALIZED;
}
return NS_NOINTERFACE;
}
/* =======================================================================
* nsIController
* ======================================================================= */
NS_IMETHODIMP
nsBaseCommandController::IsCommandEnabled(const char* aCommand, bool* aResult)
{
NS_ENSURE_ARG_POINTER(aCommand);
NS_ENSURE_ARG_POINTER(aResult);
NS_ENSURE_STATE(mCommandTable);
nsISupports* context = mCommandContextRawPtr;
nsCOMPtr<nsISupports> weak;
if (!context) {
weak = do_QueryReferent(mCommandContextWeakPtr);
context = weak;
}
return mCommandTable->IsCommandEnabled(aCommand, context, aResult);
}
NS_IMETHODIMP
nsBaseCommandController::SupportsCommand(const char* aCommand, bool* aResult)
{
NS_ENSURE_ARG_POINTER(aCommand);
NS_ENSURE_ARG_POINTER(aResult);
NS_ENSURE_STATE(mCommandTable);
nsISupports* context = mCommandContextRawPtr;
nsCOMPtr<nsISupports> weak;
if (!context) {
weak = do_QueryReferent(mCommandContextWeakPtr);
context = weak;
}
return mCommandTable->SupportsCommand(aCommand, context, aResult);
}
NS_IMETHODIMP
nsBaseCommandController::DoCommand(const char* aCommand)
{
NS_ENSURE_ARG_POINTER(aCommand);
NS_ENSURE_STATE(mCommandTable);
nsISupports* context = mCommandContextRawPtr;
nsCOMPtr<nsISupports> weak;
if (!context) {
weak = do_QueryReferent(mCommandContextWeakPtr);
context = weak;
}
return mCommandTable->DoCommand(aCommand, context);
}
NS_IMETHODIMP
nsBaseCommandController::DoCommandWithParams(const char* aCommand,
nsICommandParams* aParams)
{
NS_ENSURE_ARG_POINTER(aCommand);
NS_ENSURE_STATE(mCommandTable);
nsISupports* context = mCommandContextRawPtr;
nsCOMPtr<nsISupports> weak;
if (!context) {
weak = do_QueryReferent(mCommandContextWeakPtr);
context = weak;
}
return mCommandTable->DoCommandParams(aCommand, aParams, context);
}
NS_IMETHODIMP
nsBaseCommandController::GetCommandStateWithParams(const char* aCommand,
nsICommandParams* aParams)
{
NS_ENSURE_ARG_POINTER(aCommand);
NS_ENSURE_STATE(mCommandTable);
nsISupports* context = mCommandContextRawPtr;
nsCOMPtr<nsISupports> weak;
if (!context) {
weak = do_QueryReferent(mCommandContextWeakPtr);
context = weak;
}
return mCommandTable->GetCommandState(aCommand, aParams, context);
}
NS_IMETHODIMP
nsBaseCommandController::OnEvent(const char* aEventName)
{
NS_ENSURE_ARG_POINTER(aEventName);
return NS_OK;
}
NS_IMETHODIMP
nsBaseCommandController::GetSupportedCommands(uint32_t* aCount,
char*** aCommands)
{
NS_ENSURE_STATE(mCommandTable);
return mCommandTable->GetSupportedCommands(aCount, aCommands);
}
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