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114 lines
3.8 KiB
114 lines
3.8 KiB
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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ThreadWithProgressWindow::ThreadWithProgressWindow (const String& title,
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const bool hasProgressBar,
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const bool hasCancelButton,
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const int cancellingTimeOutMs,
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const String& cancelButtonText,
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Component* componentToCentreAround)
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: Thread ("ThreadWithProgressWindow"),
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progress (0.0),
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timeOutMsWhenCancelling (cancellingTimeOutMs),
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wasCancelledByUser (false)
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{
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alertWindow = LookAndFeel::getDefaultLookAndFeel()
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.createAlertWindow (title, String(),
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cancelButtonText.isEmpty() ? TRANS("Cancel")
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: cancelButtonText,
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String(), String(),
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AlertWindow::NoIcon, hasCancelButton ? 1 : 0,
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componentToCentreAround);
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// if there are no buttons, we won't allow the user to interrupt the thread.
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alertWindow->setEscapeKeyCancels (false);
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if (hasProgressBar)
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alertWindow->addProgressBarComponent (progress);
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}
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ThreadWithProgressWindow::~ThreadWithProgressWindow()
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{
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stopThread (timeOutMsWhenCancelling);
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}
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void ThreadWithProgressWindow::launchThread (int priority)
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{
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jassert (MessageManager::getInstance()->isThisTheMessageThread());
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startThread (priority);
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startTimer (100);
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{
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const ScopedLock sl (messageLock);
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alertWindow->setMessage (message);
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}
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alertWindow->enterModalState();
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}
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void ThreadWithProgressWindow::setProgress (const double newProgress)
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{
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progress = newProgress;
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}
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void ThreadWithProgressWindow::setStatusMessage (const String& newStatusMessage)
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{
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const ScopedLock sl (messageLock);
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message = newStatusMessage;
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}
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void ThreadWithProgressWindow::timerCallback()
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{
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bool threadStillRunning = isThreadRunning();
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if (! (threadStillRunning && alertWindow->isCurrentlyModal()))
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{
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stopTimer();
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stopThread (timeOutMsWhenCancelling);
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alertWindow->exitModalState (1);
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alertWindow->setVisible (false);
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wasCancelledByUser = threadStillRunning;
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threadComplete (threadStillRunning);
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return; // (this may be deleted now)
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}
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const ScopedLock sl (messageLock);
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alertWindow->setMessage (message);
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}
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void ThreadWithProgressWindow::threadComplete (bool) {}
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#if JUCE_MODAL_LOOPS_PERMITTED
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bool ThreadWithProgressWindow::runThread (const int priority)
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{
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launchThread (priority);
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while (isTimerRunning())
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MessageManager::getInstance()->runDispatchLoopUntil (5);
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return ! wasCancelledByUser;
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}
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#endif
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