1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/embedding/components/commandhandler/src/nsBaseCommandController.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,176 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nsString.h"
1.10 +#include "nsIComponentManager.h"
1.11 +#include "nsBaseCommandController.h"
1.12 +
1.13 +#include "nsString.h"
1.14 +#include "nsWeakPtr.h"
1.15 +
1.16 +NS_IMPL_ADDREF(nsBaseCommandController)
1.17 +NS_IMPL_RELEASE(nsBaseCommandController)
1.18 +
1.19 +NS_INTERFACE_MAP_BEGIN(nsBaseCommandController)
1.20 + NS_INTERFACE_MAP_ENTRY(nsIController)
1.21 + NS_INTERFACE_MAP_ENTRY(nsICommandController)
1.22 + NS_INTERFACE_MAP_ENTRY(nsIControllerContext)
1.23 + NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
1.24 + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIControllerContext)
1.25 +NS_INTERFACE_MAP_END
1.26 +
1.27 +nsBaseCommandController::nsBaseCommandController()
1.28 + : mCommandContextRawPtr(nullptr)
1.29 +{
1.30 +}
1.31 +
1.32 +nsBaseCommandController::~nsBaseCommandController()
1.33 +{
1.34 +}
1.35 +
1.36 +NS_IMETHODIMP
1.37 +nsBaseCommandController::Init(nsIControllerCommandTable *aCommandTable)
1.38 +{
1.39 + nsresult rv = NS_OK;
1.40 +
1.41 + if (aCommandTable)
1.42 + mCommandTable = aCommandTable; // owning addref
1.43 + else
1.44 + mCommandTable = do_CreateInstance(NS_CONTROLLERCOMMANDTABLE_CONTRACTID, &rv);
1.45 +
1.46 + return rv;
1.47 +}
1.48 +
1.49 +NS_IMETHODIMP
1.50 +nsBaseCommandController::SetCommandContext(nsISupports *aCommandContext)
1.51 +{
1.52 + mCommandContextWeakPtr = nullptr;
1.53 + mCommandContextRawPtr = nullptr;
1.54 +
1.55 + if (aCommandContext) {
1.56 + nsCOMPtr<nsISupportsWeakReference> weak = do_QueryInterface(aCommandContext);
1.57 + if (weak) {
1.58 + nsresult rv =
1.59 + weak->GetWeakReference(getter_AddRefs(mCommandContextWeakPtr));
1.60 + NS_ENSURE_SUCCESS(rv, rv);
1.61 + }
1.62 + else {
1.63 + mCommandContextRawPtr = aCommandContext;
1.64 + }
1.65 + }
1.66 +
1.67 + return NS_OK;
1.68 +}
1.69 +
1.70 +NS_IMETHODIMP
1.71 +nsBaseCommandController::GetInterface(const nsIID & aIID, void * *result)
1.72 +{
1.73 + NS_ENSURE_ARG_POINTER(result);
1.74 +
1.75 + if (NS_SUCCEEDED(QueryInterface(aIID, result)))
1.76 + return NS_OK;
1.77 +
1.78 + if (aIID.Equals(NS_GET_IID(nsIControllerCommandTable)))
1.79 + {
1.80 + if (mCommandTable)
1.81 + return mCommandTable->QueryInterface(aIID, result);
1.82 + return NS_ERROR_NOT_INITIALIZED;
1.83 + }
1.84 +
1.85 + return NS_NOINTERFACE;
1.86 +}
1.87 +
1.88 +
1.89 +
1.90 +/* =======================================================================
1.91 + * nsIController
1.92 + * ======================================================================= */
1.93 +
1.94 +NS_IMETHODIMP
1.95 +nsBaseCommandController::IsCommandEnabled(const char *aCommand,
1.96 + bool *aResult)
1.97 +{
1.98 + NS_ENSURE_ARG_POINTER(aCommand);
1.99 + NS_ENSURE_ARG_POINTER(aResult);
1.100 + NS_ENSURE_STATE(mCommandTable);
1.101 +
1.102 + nsISupports* context = mCommandContextRawPtr;
1.103 + nsCOMPtr<nsISupports> weak;
1.104 + if (!context) {
1.105 + weak = do_QueryReferent(mCommandContextWeakPtr);
1.106 + context = weak;
1.107 + }
1.108 + return mCommandTable->IsCommandEnabled(aCommand, context, aResult);
1.109 +}
1.110 +
1.111 +NS_IMETHODIMP
1.112 +nsBaseCommandController::SupportsCommand(const char *aCommand, bool *aResult)
1.113 +{
1.114 + NS_ENSURE_ARG_POINTER(aCommand);
1.115 + NS_ENSURE_ARG_POINTER(aResult);
1.116 + NS_ENSURE_STATE(mCommandTable);
1.117 +
1.118 + nsISupports* context = mCommandContextRawPtr;
1.119 + nsCOMPtr<nsISupports> weak;
1.120 + if (!context) {
1.121 + weak = do_QueryReferent(mCommandContextWeakPtr);
1.122 + context = weak;
1.123 + }
1.124 + return mCommandTable->SupportsCommand(aCommand, context, aResult);
1.125 +}
1.126 +
1.127 +NS_IMETHODIMP
1.128 +nsBaseCommandController::DoCommand(const char *aCommand)
1.129 +{
1.130 + NS_ENSURE_ARG_POINTER(aCommand);
1.131 + NS_ENSURE_STATE(mCommandTable);
1.132 +
1.133 + nsISupports* context = mCommandContextRawPtr;
1.134 + nsCOMPtr<nsISupports> weak;
1.135 + if (!context) {
1.136 + weak = do_QueryReferent(mCommandContextWeakPtr);
1.137 + context = weak;
1.138 + }
1.139 + return mCommandTable->DoCommand(aCommand, context);
1.140 +}
1.141 +
1.142 +NS_IMETHODIMP
1.143 +nsBaseCommandController::DoCommandWithParams(const char *aCommand,
1.144 + nsICommandParams *aParams)
1.145 +{
1.146 + NS_ENSURE_ARG_POINTER(aCommand);
1.147 + NS_ENSURE_STATE(mCommandTable);
1.148 +
1.149 + nsISupports* context = mCommandContextRawPtr;
1.150 + nsCOMPtr<nsISupports> weak;
1.151 + if (!context) {
1.152 + weak = do_QueryReferent(mCommandContextWeakPtr);
1.153 + context = weak;
1.154 + }
1.155 + return mCommandTable->DoCommandParams(aCommand, aParams, context);
1.156 +}
1.157 +
1.158 +NS_IMETHODIMP
1.159 +nsBaseCommandController::GetCommandStateWithParams(const char *aCommand,
1.160 + nsICommandParams *aParams)
1.161 +{
1.162 + NS_ENSURE_ARG_POINTER(aCommand);
1.163 + NS_ENSURE_STATE(mCommandTable);
1.164 +
1.165 + nsISupports* context = mCommandContextRawPtr;
1.166 + nsCOMPtr<nsISupports> weak;
1.167 + if (!context) {
1.168 + weak = do_QueryReferent(mCommandContextWeakPtr);
1.169 + context = weak;
1.170 + }
1.171 + return mCommandTable->GetCommandState(aCommand, aParams, context);
1.172 +}
1.173 +
1.174 +NS_IMETHODIMP
1.175 +nsBaseCommandController::OnEvent(const char * aEventName)
1.176 +{
1.177 + NS_ENSURE_ARG_POINTER(aEventName);
1.178 + return NS_OK;
1.179 +}
