sd/source/ui/framework/module/ResourceManager.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "ResourceManager.hxx"
  21
  22 #include "framework/FrameworkHelper.hxx"
  23 #include "framework/ConfigurationController.hxx"
  24 #include <com/sun/star/drawing/framework/XControllerManager.hpp>
  25
  26 #include <set>
  27
  28 using namespace css;
  29 using namespace css::uno;
  30 using namespace css::drawing::framework;
  31
  32 using ::sd::framework::FrameworkHelper;
  33
  34 namespace {
  35     static const sal_Int32 ResourceActivationRequestEvent = 0;
  36     static const sal_Int32 ResourceDeactivationRequestEvent = 1;
  37 }
  38
  39 namespace sd { namespace framework {
  40
  41 class ResourceManager::MainViewContainer
  42     : public ::std::set<OUString>
  43 {
  44 public:
  45     MainViewContainer() {}
  46 };
  47
  48 //===== ResourceManager =======================================================
  49
  50 ResourceManager::ResourceManager (
  51     const Reference<frame::XController>& rxController,
  52     const Reference<XResourceId>& rxResourceId)
  53     : ResourceManagerInterfaceBase(MutexOwner::maMutex),
  54       mxConfigurationController(),
  55       mpActiveMainViewContainer(new MainViewContainer()),
  56       mxResourceId(rxResourceId),
  57       mxMainViewAnchorId(FrameworkHelper::CreateResourceId(
  58           FrameworkHelper::msCenterPaneURL)),
  59       msCurrentMainViewURL()
  60 {
  61     Reference<XControllerManager> xControllerManager (rxController, UNO_QUERY);
  62     if (xControllerManager.is())
  63     {
  64         mxConfigurationController = xControllerManager->getConfigurationController();
  65
  66         if (mxConfigurationController.is())
  67         {
  68             uno::Reference<lang::XComponent> const xComppnent(
  69                     mxConfigurationController, UNO_QUERY_THROW);
  70             xComppnent->addEventListener(this);
  71             mxConfigurationController->addConfigurationChangeListener(
  72                 this,
  73                 FrameworkHelper::msResourceActivationRequestEvent,
  74                 makeAny(ResourceActivationRequestEvent));
  75             mxConfigurationController->addConfigurationChangeListener(
  76                 this,
  77                 FrameworkHelper::msResourceDeactivationRequestEvent,
  78                 makeAny(ResourceDeactivationRequestEvent));
  79         }
  80     }
  81 }
  82
  83 ResourceManager::~ResourceManager()
  84 {
  85 }
  86
  87 void ResourceManager::AddActiveMainView (
  88     const OUString& rsMainViewURL)
  89 {
  90     mpActiveMainViewContainer->insert(rsMainViewURL);
  91 }
  92
  93 bool ResourceManager::IsResourceActive (
  94     const OUString& rsMainViewURL)
  95 {
  96     return (mpActiveMainViewContainer->find(rsMainViewURL) != mpActiveMainViewContainer->end());
  97 }
  98
  99 void ResourceManager::SaveResourceState()
 100 {
 101 }
 102
 103 void SAL_CALL ResourceManager::disposing()
 104 {
 105     if (mxConfigurationController.is())
 106     {
 107         mxConfigurationController->removeConfigurationChangeListener(this);
 108         mxConfigurationController = NULL;
 109     }
 110 }
 111
 112 void SAL_CALL ResourceManager::notifyConfigurationChange (
 113     const ConfigurationChangeEvent& rEvent)
 114     throw (RuntimeException, std::exception)
 115 {
 116     OSL_ASSERT(rEvent.ResourceId.is());
 117
 118     sal_Int32 nEventType = 0;
 119     rEvent.UserData >>= nEventType;
 120     switch (nEventType)
 121     {
 122         case ResourceActivationRequestEvent:
 123             if (rEvent.ResourceId->isBoundToURL(
 124                 FrameworkHelper::msCenterPaneURL,
 125                 AnchorBindingMode_DIRECT))
 126             {
 127                 // A resource directly bound to the center pane has been
 128                 // requested.
 129                 if (rEvent.ResourceId->getResourceTypePrefix().equals(
 130                     FrameworkHelper::msViewURLPrefix))
 131                 {
 132                     // The requested resource is a view.  Show or hide the
 133                     // resource managed by this ResourceManager accordingly.
 134                     HandleMainViewSwitch(
 135                         rEvent.ResourceId->getResourceURL(),
 136                         rEvent.Configuration,
 137                         true);
 138                 }
 139             }
 140             else if (rEvent.ResourceId->compareTo(mxResourceId) == 0)
 141             {
 142                 // The resource managed by this ResourceManager has been
 143                 // explicitly been requested (maybe by us).  Remember this
 144                 // setting.
 145                 HandleResourceRequest(true, rEvent.Configuration);
 146             }
 147             break;
 148
 149         case ResourceDeactivationRequestEvent:
 150             if (rEvent.ResourceId->compareTo(mxMainViewAnchorId) == 0)
 151             {
 152                 HandleMainViewSwitch(
 153                     OUString(),
 154                     rEvent.Configuration,
 155                     false);
 156             }
 157             else if (rEvent.ResourceId->compareTo(mxResourceId) == 0)
 158             {
 159                 // The resource managed by this ResourceManager has been
 160                 // explicitly been requested to be hidden (maybe by us).
 161                 // Remember this setting.
 162                 HandleResourceRequest(false, rEvent.Configuration);
 163             }
 164             break;
 165     }
 166 }
 167
 168 void ResourceManager::UpdateForMainViewShell()
 169 {
 170     if (mxConfigurationController.is())
 171     {
 172         ConfigurationController::Lock aLock (mxConfigurationController);
 173
 174         if (mpActiveMainViewContainer->find(msCurrentMainViewURL)
 175                != mpActiveMainViewContainer->end())
 176         {
 177             // Activate resource.
 178             mxConfigurationController->requestResourceActivation(
 179                 mxResourceId->getAnchor(),
 180                 ResourceActivationMode_ADD);
 181             mxConfigurationController->requestResourceActivation(
 182                 mxResourceId,
 183                 ResourceActivationMode_REPLACE);
 184         }
 185         else
 186         {
 187             mxConfigurationController->requestResourceDeactivation(mxResourceId);
 188         }
 189     }
 190 }
 191
 192 void ResourceManager::HandleMainViewSwitch (
 193     const OUString& rsViewURL,
 194     const Reference<XConfiguration>& rxConfiguration,
 195     const bool bIsActivated)
 196 {
 197     (void)rxConfiguration;
 198     if (bIsActivated)
 199         msCurrentMainViewURL = rsViewURL;
 200     else
 201         msCurrentMainViewURL.clear();
 202     UpdateForMainViewShell();
 203 }
 204
 205 void ResourceManager::HandleResourceRequest(
 206     bool bActivation,
 207     const Reference<XConfiguration>& rxConfiguration)
 208 {
 209     Sequence<Reference<XResourceId> > aCenterViews = rxConfiguration->getResources(
 210         FrameworkHelper::CreateResourceId(FrameworkHelper::msCenterPaneURL),
 211         FrameworkHelper::msViewURLPrefix,
 212         AnchorBindingMode_DIRECT);
 213     if (aCenterViews.getLength() == 1)
 214     {
 215         if (bActivation)
 216         {
 217             mpActiveMainViewContainer->insert(aCenterViews[0]->getResourceURL());
 218         }
 219         else
 220         {
 221             MainViewContainer::iterator iElement (
 222                 mpActiveMainViewContainer->find(aCenterViews[0]->getResourceURL()));
 223             if (iElement != mpActiveMainViewContainer->end())
 224                 mpActiveMainViewContainer->erase(iElement);
 225         }
 226     }
 227 }
 228
 229 void SAL_CALL ResourceManager::disposing (
 230     const lang::EventObject& rEvent)
 231     throw (RuntimeException, std::exception)
 232 {
 233     if (mxConfigurationController.is()
 234         && rEvent.Source == mxConfigurationController)
 235     {
 236         SaveResourceState();
 237         // Without the configuration controller this class can do nothing.
 238         mxConfigurationController = NULL;
 239         dispose();
 240     }
 241 }
 242
 243 } } // end of namespace sd::framework
 244
 245 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */