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embedding/components/commandhandler/src/nsBaseCommandController.cpp@6474c204b198 (annotated)

embedding/components/commandhandler/src/nsBaseCommandController.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "nsString.h"
michael@0 7 #include "nsIComponentManager.h"
michael@0 8 #include "nsBaseCommandController.h"
michael@0 9
michael@0 10 #include "nsString.h"
michael@0 11 #include "nsWeakPtr.h"
michael@0 12
michael@0 13 NS_IMPL_ADDREF(nsBaseCommandController)
michael@0 14 NS_IMPL_RELEASE(nsBaseCommandController)
michael@0 15
michael@0 16 NS_INTERFACE_MAP_BEGIN(nsBaseCommandController)
michael@0 17 NS_INTERFACE_MAP_ENTRY(nsIController)
michael@0 18 NS_INTERFACE_MAP_ENTRY(nsICommandController)
michael@0 19 NS_INTERFACE_MAP_ENTRY(nsIControllerContext)
michael@0 20 NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
michael@0 21 NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIControllerContext)
michael@0 22 NS_INTERFACE_MAP_END
michael@0 23
michael@0 24 nsBaseCommandController::nsBaseCommandController()
michael@0 25 : mCommandContextRawPtr(nullptr)
michael@0 26 {
michael@0 27 }
michael@0 28
michael@0 29 nsBaseCommandController::~nsBaseCommandController()
michael@0 30 {
michael@0 31 }
michael@0 32
michael@0 33 NS_IMETHODIMP
michael@0 34 nsBaseCommandController::Init(nsIControllerCommandTable *aCommandTable)
michael@0 35 {
michael@0 36 nsresult rv = NS_OK;
michael@0 37
michael@0 38 if (aCommandTable)
michael@0 39 mCommandTable = aCommandTable; // owning addref
michael@0 40 else
michael@0 41 mCommandTable = do_CreateInstance(NS_CONTROLLERCOMMANDTABLE_CONTRACTID, &rv);
michael@0 42
michael@0 43 return rv;
michael@0 44 }
michael@0 45
michael@0 46 NS_IMETHODIMP
michael@0 47 nsBaseCommandController::SetCommandContext(nsISupports *aCommandContext)
michael@0 48 {
michael@0 49 mCommandContextWeakPtr = nullptr;
michael@0 50 mCommandContextRawPtr = nullptr;
michael@0 51
michael@0 52 if (aCommandContext) {
michael@0 53 nsCOMPtr<nsISupportsWeakReference> weak = do_QueryInterface(aCommandContext);
michael@0 54 if (weak) {
michael@0 55 nsresult rv =
michael@0 56 weak->GetWeakReference(getter_AddRefs(mCommandContextWeakPtr));
michael@0 57 NS_ENSURE_SUCCESS(rv, rv);
michael@0 58 }
michael@0 59 else {
michael@0 60 mCommandContextRawPtr = aCommandContext;
michael@0 61 }
michael@0 62 }
michael@0 63
michael@0 64 return NS_OK;
michael@0 65 }
michael@0 66
michael@0 67 NS_IMETHODIMP
michael@0 68 nsBaseCommandController::GetInterface(const nsIID & aIID, void * *result)
michael@0 69 {
michael@0 70 NS_ENSURE_ARG_POINTER(result);
michael@0 71
michael@0 72 if (NS_SUCCEEDED(QueryInterface(aIID, result)))
michael@0 73 return NS_OK;
michael@0 74
michael@0 75 if (aIID.Equals(NS_GET_IID(nsIControllerCommandTable)))
michael@0 76 {
michael@0 77 if (mCommandTable)
michael@0 78 return mCommandTable->QueryInterface(aIID, result);
michael@0 79 return NS_ERROR_NOT_INITIALIZED;
michael@0 80 }
michael@0 81
michael@0 82 return NS_NOINTERFACE;
michael@0 83 }
michael@0 84
michael@0 85
michael@0 86
michael@0 87 /* =======================================================================
michael@0 88 * nsIController
michael@0 89 * ======================================================================= */
michael@0 90
michael@0 91 NS_IMETHODIMP
michael@0 92 nsBaseCommandController::IsCommandEnabled(const char *aCommand,
michael@0 93 bool *aResult)
michael@0 94 {
michael@0 95 NS_ENSURE_ARG_POINTER(aCommand);
michael@0 96 NS_ENSURE_ARG_POINTER(aResult);
michael@0 97 NS_ENSURE_STATE(mCommandTable);
michael@0 98
michael@0 99 nsISupports* context = mCommandContextRawPtr;
michael@0 100 nsCOMPtr<nsISupports> weak;
michael@0 101 if (!context) {
michael@0 102 weak = do_QueryReferent(mCommandContextWeakPtr);
michael@0 103 context = weak;
michael@0 104 }
michael@0 105 return mCommandTable->IsCommandEnabled(aCommand, context, aResult);
michael@0 106 }
michael@0 107
michael@0 108 NS_IMETHODIMP
michael@0 109 nsBaseCommandController::SupportsCommand(const char *aCommand, bool *aResult)
michael@0 110 {
michael@0 111 NS_ENSURE_ARG_POINTER(aCommand);
michael@0 112 NS_ENSURE_ARG_POINTER(aResult);
michael@0 113 NS_ENSURE_STATE(mCommandTable);
michael@0 114
michael@0 115 nsISupports* context = mCommandContextRawPtr;
michael@0 116 nsCOMPtr<nsISupports> weak;
michael@0 117 if (!context) {
michael@0 118 weak = do_QueryReferent(mCommandContextWeakPtr);
michael@0 119 context = weak;
michael@0 120 }
michael@0 121 return mCommandTable->SupportsCommand(aCommand, context, aResult);
michael@0 122 }
michael@0 123
michael@0 124 NS_IMETHODIMP
michael@0 125 nsBaseCommandController::DoCommand(const char *aCommand)
michael@0 126 {
michael@0 127 NS_ENSURE_ARG_POINTER(aCommand);
michael@0 128 NS_ENSURE_STATE(mCommandTable);
michael@0 129
michael@0 130 nsISupports* context = mCommandContextRawPtr;
michael@0 131 nsCOMPtr<nsISupports> weak;
michael@0 132 if (!context) {
michael@0 133 weak = do_QueryReferent(mCommandContextWeakPtr);
michael@0 134 context = weak;
michael@0 135 }
michael@0 136 return mCommandTable->DoCommand(aCommand, context);
michael@0 137 }
michael@0 138
michael@0 139 NS_IMETHODIMP
michael@0 140 nsBaseCommandController::DoCommandWithParams(const char *aCommand,
michael@0 141 nsICommandParams *aParams)
michael@0 142 {
michael@0 143 NS_ENSURE_ARG_POINTER(aCommand);
michael@0 144 NS_ENSURE_STATE(mCommandTable);
michael@0 145
michael@0 146 nsISupports* context = mCommandContextRawPtr;
michael@0 147 nsCOMPtr<nsISupports> weak;
michael@0 148 if (!context) {
michael@0 149 weak = do_QueryReferent(mCommandContextWeakPtr);
michael@0 150 context = weak;
michael@0 151 }
michael@0 152 return mCommandTable->DoCommandParams(aCommand, aParams, context);
michael@0 153 }
michael@0 154
michael@0 155 NS_IMETHODIMP
michael@0 156 nsBaseCommandController::GetCommandStateWithParams(const char *aCommand,
michael@0 157 nsICommandParams *aParams)
michael@0 158 {
michael@0 159 NS_ENSURE_ARG_POINTER(aCommand);
michael@0 160 NS_ENSURE_STATE(mCommandTable);
michael@0 161
michael@0 162 nsISupports* context = mCommandContextRawPtr;
michael@0 163 nsCOMPtr<nsISupports> weak;
michael@0 164 if (!context) {
michael@0 165 weak = do_QueryReferent(mCommandContextWeakPtr);
michael@0 166 context = weak;
michael@0 167 }
michael@0 168 return mCommandTable->GetCommandState(aCommand, aParams, context);
michael@0 169 }
michael@0 170
michael@0 171 NS_IMETHODIMP
michael@0 172 nsBaseCommandController::OnEvent(const char * aEventName)
michael@0 173 {
michael@0 174 NS_ENSURE_ARG_POINTER(aEventName);
michael@0 175 return NS_OK;
michael@0 176 }

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