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