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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
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 <dispatch/loaddispatcher.hxx>
21 : #include <threadhelp/readguard.hxx>
22 : #include <threadhelp/writeguard.hxx>
23 :
24 : #include <com/sun/star/frame/DispatchResultState.hpp>
25 :
26 : namespace framework{
27 :
28 0 : LoadDispatcher::LoadDispatcher(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR ,
29 : const css::uno::Reference< css::frame::XFrame >& xOwnerFrame ,
30 : const ::rtl::OUString sTargetName ,
31 : sal_Int32 nSearchFlags)
32 : : ThreadHelpBase( )
33 : , m_xSMGR (xSMGR )
34 : , m_xOwnerFrame (xOwnerFrame )
35 : , m_sTarget (sTargetName )
36 : , m_nSearchFlags(nSearchFlags)
37 0 : , m_aLoader (xSMGR )
38 : {
39 0 : }
40 :
41 0 : LoadDispatcher::~LoadDispatcher()
42 : {
43 0 : m_xSMGR.clear();
44 0 : }
45 :
46 0 : void SAL_CALL LoadDispatcher::dispatchWithNotification(const css::util::URL& aURL ,
47 : const css::uno::Sequence< css::beans::PropertyValue >& lArguments,
48 : const css::uno::Reference< css::frame::XDispatchResultListener >& xListener )
49 : throw(css::uno::RuntimeException)
50 : {
51 0 : impl_dispatch( aURL, lArguments, xListener );
52 0 : }
53 :
54 0 : void SAL_CALL LoadDispatcher::dispatch(const css::util::URL& aURL ,
55 : const css::uno::Sequence< css::beans::PropertyValue >& lArguments)
56 : throw(css::uno::RuntimeException)
57 : {
58 0 : impl_dispatch( aURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >() );
59 0 : }
60 :
61 0 : css::uno::Any SAL_CALL LoadDispatcher::dispatchWithReturnValue( const css::util::URL& rURL,
62 : const css::uno::Sequence< css::beans::PropertyValue >& lArguments )
63 : throw( css::uno::RuntimeException )
64 : {
65 0 : return impl_dispatch( rURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >());
66 : }
67 :
68 0 : void SAL_CALL LoadDispatcher::addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/,
69 : const css::util::URL& /*aURL*/ )
70 : throw(css::uno::RuntimeException)
71 : {
72 0 : }
73 :
74 0 : void SAL_CALL LoadDispatcher::removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/,
75 : const css::util::URL& /*aURL*/ )
76 : throw(css::uno::RuntimeException)
77 : {
78 0 : }
79 :
80 0 : css::uno::Any LoadDispatcher::impl_dispatch( const css::util::URL& rURL,
81 : const css::uno::Sequence< css::beans::PropertyValue >& lArguments,
82 : const css::uno::Reference< css::frame::XDispatchResultListener >& xListener )
83 : {
84 : // Attention: May be nobody outside hold such temp. dispatch object alive (because
85 : // the container in which we resists isnt implemented threadsafe but updated by a timer
86 : // and clear our reference ...) we should hold us self alive!
87 0 : css::uno::Reference< css::uno::XInterface > xThis(static_cast< css::frame::XNotifyingDispatch* >(this), css::uno::UNO_QUERY);
88 :
89 : // SAFE -> ----------------------------------
90 0 : ReadGuard aReadLock(m_aLock);
91 :
92 : // We are the only client of this load env object ... but
93 : // may a dispatch request before is still in progress (?!).
94 : // Then we should wait a little bit and block this new request.
95 : // In case we run into the timeout, we should reject this new request
96 : // and return "FAILED" as result. Otherwhise we can start this new operation.
97 0 : if (!m_aLoader.waitWhileLoading(2000)) // => 2 sec.
98 : {
99 0 : if (xListener.is())
100 0 : xListener->dispatchFinished(
101 0 : css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::DONTKNOW, css::uno::Any())); // DONTKNOW? ... not realy started ... not realy failed :-)
102 : }
103 :
104 0 : css::uno::Reference< css::frame::XFrame > xBaseFrame(m_xOwnerFrame.get(), css::uno::UNO_QUERY);
105 0 : if (!xBaseFrame.is())
106 : {
107 0 : if (xListener.is())
108 0 : xListener->dispatchFinished(
109 0 : css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any()));
110 : }
111 :
112 : // OK ... now the internal loader seems to be useable for new requests
113 : // and our owner frame seems to be valid for such operations.
114 : // Initialize it with all new but needed properties and start the loading.
115 0 : css::uno::Reference< css::lang::XComponent > xComponent;
116 : try
117 : {
118 0 : m_aLoader.initializeLoading( rURL.Complete, lArguments, xBaseFrame, m_sTarget, m_nSearchFlags, (LoadEnv::EFeature)(LoadEnv::E_ALLOW_CONTENTHANDLER | LoadEnv::E_WORK_WITH_UI));
119 0 : m_aLoader.startLoading();
120 0 : m_aLoader.waitWhileLoading(); // wait for ever!
121 0 : xComponent = m_aLoader.getTargetComponent();
122 :
123 : // TODO thinking about asynchronous operations and listener support
124 : }
125 0 : catch(const LoadEnvException&)
126 0 : { xComponent.clear(); }
127 :
128 0 : if (xListener.is())
129 : {
130 0 : if (xComponent.is())
131 0 : xListener->dispatchFinished(
132 0 : css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::SUCCESS, css::uno::Any()));
133 : else
134 0 : xListener->dispatchFinished(
135 0 : css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any()));
136 : }
137 :
138 : // return the model - like loadComponentFromURL()
139 0 : css::uno::Any aRet;
140 0 : if ( xComponent.is () )
141 0 : aRet = css::uno::makeAny( xComponent );
142 :
143 0 : aReadLock.unlock();
144 : // <- SAFE ----------------------------------
145 0 : return aRet;
146 : }
147 :
148 : } // namespace framework
149 :
150 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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