1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <dispatch/loaddispatcher.hxx>
#include <loadenv/loadenvexception.hxx>
#include <sal/log.hxx>
#include <com/sun/star/frame/DispatchResultState.hpp>
#include <utility>
namespace framework{
LoadDispatcher::LoadDispatcher(const css::uno::Reference< css::uno::XComponentContext >& xContext ,
const css::uno::Reference< css::frame::XFrame >& xOwnerFrame ,
OUString sTargetName ,
sal_Int32 nSearchFlags)
: m_xOwnerFrame (xOwnerFrame )
, m_sTarget (std::move(sTargetName ))
, m_nSearchFlags(nSearchFlags)
, m_aLoader (xContext )
{
}
LoadDispatcher::~LoadDispatcher()
{
}
void SAL_CALL LoadDispatcher::dispatchWithNotification(const css::util::URL& aURL ,
const css::uno::Sequence< css::beans::PropertyValue >& lArguments,
const css::uno::Reference< css::frame::XDispatchResultListener >& xListener )
{
impl_dispatch( aURL, lArguments, xListener );
}
void SAL_CALL LoadDispatcher::dispatch(const css::util::URL& aURL ,
const css::uno::Sequence< css::beans::PropertyValue >& lArguments)
{
impl_dispatch( aURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >() );
}
css::uno::Any SAL_CALL LoadDispatcher::dispatchWithReturnValue( const css::util::URL& rURL,
const css::uno::Sequence< css::beans::PropertyValue >& lArguments )
{
return impl_dispatch( rURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >());
}
void SAL_CALL LoadDispatcher::addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/,
const css::util::URL& /*aURL*/ )
{
}
void SAL_CALL LoadDispatcher::removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& /*xListener*/,
const css::util::URL& /*aURL*/ )
{
}
css::uno::Any LoadDispatcher::impl_dispatch( const css::util::URL& rURL,
const css::uno::Sequence< css::beans::PropertyValue >& lArguments,
const css::uno::Reference< css::frame::XDispatchResultListener >& xListener )
{
// Attention: May be nobody outside hold such temp. dispatch object alive (because
// the container in which we resist isn't implemented threadsafe but updated by a timer
// and clear our reference...) we should hold us self alive!
css::uno::Reference< css::uno::XInterface > xThis(static_cast< css::frame::XNotifyingDispatch* >(this), css::uno::UNO_QUERY);
osl::MutexGuard g(m_mutex);
// We are the only client of this load env object... but
// may a dispatch request before is still in progress (?!).
// Then we should wait a little bit and block this new request.
// In case we run into the timeout, we should reject this new request
// and return "FAILED" as result. Otherwise we can start this new operation.
if (!m_aLoader.waitWhileLoading(2000)) // => 2 sec.
{
if (xListener.is())
xListener->dispatchFinished(
css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::DONTKNOW, css::uno::Any())); // DONTKNOW? ... not really started ... not really failed :-)
}
css::uno::Reference< css::frame::XFrame > xBaseFrame(m_xOwnerFrame.get(), css::uno::UNO_QUERY);
if (!xBaseFrame.is() && xListener.is())
xListener->dispatchFinished(
css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any()));
// OK ... now the internal loader seems to be usable for new requests
// and our owner frame seems to be valid for such operations.
// Initialize it with all new but needed properties and start the loading.
css::uno::Reference< css::lang::XComponent > xComponent;
try
{
m_aLoader.startLoading( rURL.Complete, lArguments, xBaseFrame, m_sTarget, m_nSearchFlags, LoadEnvFeatures::AllowContentHandler | LoadEnvFeatures::WorkWithUI);
m_aLoader.waitWhileLoading(); // wait for ever!
xComponent = m_aLoader.getTargetComponent();
// TODO thinking about asynchronous operations and listener support
}
catch(const LoadEnvException& e)
{
SAL_WARN(
"fwk.dispatch",
"caught LoadEnvException " << +e.m_nID << " \"" << e.m_sMessage
<< "\""
<< (e.m_exOriginal.has<css::uno::Exception>()
? (", " + e.m_exOriginal.getValueTypeName() + " \""
+ e.m_exOriginal.get<css::uno::Exception>().Message
+ "\"")
: OUString())
<< " while dispatching <" << rURL.Complete << ">");
xComponent.clear();
}
if (xListener.is())
{
if (xComponent.is())
xListener->dispatchFinished(
css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::SUCCESS, css::uno::Any()));
else
xListener->dispatchFinished(
css::frame::DispatchResultEvent(xThis, css::frame::DispatchResultState::FAILURE, css::uno::Any()));
}
// return the model - like loadComponentFromURL()
css::uno::Any aRet;
if ( xComponent.is () )
aRet <<= xComponent;
return aRet;
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
