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/**
* @file llpanelvolumepulldown.cpp
* @author Tofu Linden
* @brief A floater showing the master volume pull-down
*
* $LicenseInfo:firstyear=2008&license=viewergpl$
*
* Copyright (c) 2008-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llpanelvolumepulldown.h"
// Viewer libs
#include "llviewercontrol.h"
#include "llstatusbar.h"
// Linden libs
#include "llbutton.h"
#include "lltabcontainer.h"
#include "llfloaterreg.h"
#include "llfloaterpreference.h"
#include "llslider.h"
/* static */ const F32 LLPanelVolumePulldown::sAutoCloseFadeStartTimeSec = 4.0f;
/* static */ const F32 LLPanelVolumePulldown::sAutoCloseTotalTimeSec = 5.0f;
///----------------------------------------------------------------------------
/// Class LLPanelVolumePulldown
///----------------------------------------------------------------------------
// Default constructor
LLPanelVolumePulldown::LLPanelVolumePulldown()
{
mCommitCallbackRegistrar.add("Vol.setControlFalse", boost::bind(&LLPanelVolumePulldown::setControlFalse, this, _2));
mCommitCallbackRegistrar.add("Vol.GoAudioPrefs", boost::bind(&LLPanelVolumePulldown::onAdvancedButtonClick, this, _2));
LLUICtrlFactory::instance().buildPanel(this, "panel_volume_pulldown.xml");
}
BOOL LLPanelVolumePulldown::postBuild()
{
// set the initial volume-slider's position to reflect reality
LLSlider* volslider = getChild<LLSlider>( "mastervolume" );
volslider->setValue(gSavedSettings.getF32("AudioLevelMaster"));
return LLPanel::postBuild();
}
/*virtual*/
void LLPanelVolumePulldown::onMouseEnter(S32 x, S32 y, MASK mask)
{
mHoverTimer.stop();
LLPanel::onMouseEnter(x,y,mask);
}
/*virtual*/
void LLPanelVolumePulldown::onMouseLeave(S32 x, S32 y, MASK mask)
{
mHoverTimer.start();
LLPanel::onMouseLeave(x,y,mask);
}
/*virtual*/
void LLPanelVolumePulldown::handleVisibilityChange ( BOOL new_visibility )
{
if (new_visibility)
{
mHoverTimer.start(); // timer will be stopped when mouse hovers over panel
gFocusMgr.setTopCtrl(this);
}
else
{
mHoverTimer.stop();
gFocusMgr.setTopCtrl(NULL);
}
}
/*virtual*/
void LLPanelVolumePulldown::onTopLost()
{
setVisible(FALSE);
}
void LLPanelVolumePulldown::onAdvancedButtonClick(const LLSD& user_data)
{
// close the global volume minicontrol, we're bringing up the big one
setVisible(FALSE);
// bring up the prefs floater
LLFloaterPreference* prefsfloater = dynamic_cast<LLFloaterPreference*>
(LLFloaterReg::showInstance("preferences"));
if (prefsfloater)
{
// grab the 'audio' panel from the preferences floater and
// bring it the front!
LLTabContainer* tabcontainer = prefsfloater->getChild<LLTabContainer>("pref core");
LLPanel* audiopanel = prefsfloater->getChild<LLPanel>("audio");
if (tabcontainer && audiopanel)
{
tabcontainer->selectTabPanel(audiopanel);
}
}
}
void LLPanelVolumePulldown::setControlFalse(const LLSD& user_data)
{
std::string control_name = user_data.asString();
LLControlVariable* control = findControl(control_name);
if (control)
control->set(LLSD(FALSE));
}
//virtual
void LLPanelVolumePulldown::draw()
{
F32 alpha = mHoverTimer.getStarted()
? clamp_rescale(mHoverTimer.getElapsedTimeF32(), sAutoCloseFadeStartTimeSec, sAutoCloseTotalTimeSec, 1.f, 0.f)
: 1.0f;
LLViewDrawContext context(alpha);
LLPanel::draw();
if (alpha == 0.f)
{
setVisible(FALSE);
}
}
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