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/**
* @file llpanelvolumepulldown.cpp
* @author Tofu Linden
* @brief A floater showing the master volume pull-down
*
* $LicenseInfo:firstyear=2008&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#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 "llsliderctrl.h"
/* static */ const F32 LLPanelVolumePulldown::sAutoCloseFadeStartTimeSec = 4.0f;
/* static */ const F32 LLPanelVolumePulldown::sAutoCloseTotalTimeSec = 5.0f;
///----------------------------------------------------------------------------
/// Class LLPanelVolumePulldown
///----------------------------------------------------------------------------
// Default constructor
LLPanelVolumePulldown::LLPanelVolumePulldown()
{
mHoverTimer.stop();
mCommitCallbackRegistrar.add("Vol.setControlFalse", boost::bind(&LLPanelVolumePulldown::setControlFalse, this, _2));
mCommitCallbackRegistrar.add("Vol.GoAudioPrefs", boost::bind(&LLPanelVolumePulldown::onAdvancedButtonClick, this, _2));
buildFromFile( "panel_volume_pulldown.xml");
}
BOOL LLPanelVolumePulldown::postBuild()
{
// set the initial volume-slider's position to reflect reality
LLSliderCtrl* volslider = getChild<LLSliderCtrl>( "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::onTopLost()
{
setVisible(FALSE);
}
/*virtual*/
void LLPanelVolumePulldown::onMouseLeave(S32 x, S32 y, MASK mask)
{
mHoverTimer.start();
LLPanel::onMouseLeave(x,y,mask);
}
/*virtual*/
void LLPanelVolumePulldown::onVisibilityChange ( BOOL new_visibility )
{
if (new_visibility)
{
mHoverTimer.start(); // timer will be stopped when mouse hovers over panel
}
else
{
mHoverTimer.stop();
}
}
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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