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/* -*- 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 .
*/
#pragma once
#include <svtools/svtdllapi.h>
#include <memory>
#include <mutex>
#include <com/sun/star/awt/KeyEvent.hpp>
#include <vcl/keycod.hxx>
namespace com :: sun :: star :: frame { class XDispatchProvider; }
namespace com :: sun :: star :: frame { class XFrame; }
namespace com :: sun :: star :: frame { class XModel; }
namespace com :: sun :: star :: ui { class XAcceleratorConfiguration; }
namespace com :: sun :: star :: uno { class XComponentContext; }
namespace com :: sun :: star :: util { class XURLTransformer; }
namespace svt
{
/**
@descr implements a helper, which can be used to
convert vcl key codes into awt key codes ...
and reverse.
Further such key code can be triggered.
Doing so different accelerator
configurations are merged together; a suitable
command registered for the given key code is searched
and will be dispatched.
@attention
Because execution of an accelerator command can be dangerous
(in case it force an office shutdown for key "ALT+F4"!)
all internal dispatches are done asynchronous.
Means that the trigger call doesn't wait till the dispatch
is finished. You can call very often. All requests will be
queued internal and dispatched ASAP.
Of course this queue will be stopped if the environment
will be destructed...
*/
class SVT_DLLPUBLIC AcceleratorExecute final
{
// member
private:
std::mutex m_aLock;
/** TODO document me */
css::uno::Reference< css::uno::XComponentContext > m_xContext;
/** TODO document me */
css::uno::Reference< css::util::XURLTransformer > m_xURLParser;
/** TODO document me */
css::uno::Reference< css::frame::XDispatchProvider > m_xDispatcher;
/** TODO document me */
css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xGlobalCfg;
css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xModuleCfg;
css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xDocCfg;
// interface
public:
/** @short factory method to create new accelerator
helper instance.
@descr Such helper instance must be initialized at first.
So it can know its environment (global/module or
document specific).
Afterwards it can be used to execute incoming
accelerator requests.
The "end of life" of such helper can be reached as follow:
- delete the object
=> If it stands currently in its execute method, they will
be finished. All further queued requests will be removed
and further not executed!
- "let it stay alone"
=> All currently queued events will be finished. The
helper kills itself afterwards. A shutdown of the
environment will be recognized ... The helper stop its
work immediately then!
*/
static std::unique_ptr<AcceleratorExecute> createAcceleratorHelper();
/** @short fight against inlining ... */
~AcceleratorExecute();
/** @short init this instance.
@descr It must be called as first method after creation.
And further it can be called more than once...
but at least it should be used one times only.
Otherwise nobody can say, which asynchronous
executions will be used inside the old and which one
will be used inside the new environment.
@param rxContext
reference to a uno service manager.
@param xEnv
if it points to a valid frame it will be used
to execute the dispatch there. Further the frame
is used to locate the right module configuration
and use it merged together with the document and
the global configuration.
If this parameter is set to NULL, the global configuration
is used only. Further the global Desktop instance is
used for dispatch.
*/
void init(const css::uno::Reference< css::uno::XComponentContext >& rxContext,
const css::uno::Reference< css::frame::XFrame >& xEnv );
/** @short trigger this accelerator.
@descr The internal configurations are used to find
as suitable command for this key code.
This command will be queued and executed later
asynchronous.
@param aKey
specify the accelerator for execute.
@return [bool]
true if this key is configured and match to a command.
Attention: This state does not mean the success state
of the corresponding execute. Because it's done asynchronously!
*/
bool execute(const vcl::KeyCode& aKey);
bool execute(const css::awt::KeyEvent& aKey);
/** search the command for the given key event.
*
* @param aKey The key event
* @return The command or an empty string if the key event could not be found.
*/
OUString findCommand(const css::awt::KeyEvent& aKey);
/** TODO document me */
static css::awt::KeyEvent st_VCLKey2AWTKey(const vcl::KeyCode& aKey);
static vcl::KeyCode st_AWTKey2VCLKey(const css::awt::KeyEvent& aKey);
/** TODO document me */
static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openModuleConfig(const css::uno::Reference< css::uno::XComponentContext >& rxContext ,
const css::uno::Reference< css::frame::XFrame >& xFrame);
/** TODO document me */
static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openDocConfig(const css::uno::Reference< css::frame::XModel >& xModel);
// internal
private:
/** @short allow creation of instances of this class
by using our factory only!
*/
SVT_DLLPRIVATE AcceleratorExecute();
AcceleratorExecute(const AcceleratorExecute& rCopy) = delete;
void operator=(const AcceleratorExecute&) = delete;
/** TODO document me */
SVT_DLLPRIVATE OUString impl_ts_findCommand(const css::awt::KeyEvent& aKey);
/** TODO document me */
SVT_DLLPRIVATE css::uno::Reference< css::util::XURLTransformer > impl_ts_getURLParser();
};
} // namespace svt
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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