/**
 * @file llfloatersnapshot.cpp
 * @brief Snapshot preview window, allowing saving, e-mailing, etc.
 *
 * $LicenseInfo:firstyear=2004&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2016, 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 "llfloatersnapshot.h"

#include "llfloaterreg.h"
#include "llimagefiltersmanager.h"
#include "llcheckboxctrl.h"
#include "llcombobox.h"
#include "llpostcard.h"
#include "llresmgr.h"       // LLLocale
#include "llsdserialize.h"
#include "llsidetraypanelcontainer.h"
#include "llsnapshotlivepreview.h"
#include "llspinctrl.h"
#include "llviewercontrol.h"
#include "lltoolfocus.h"
#include "lltoolmgr.h"
#include "llwebprofile.h"

///----------------------------------------------------------------------------
/// Local function declarations, constants, enums, and typedefs
///----------------------------------------------------------------------------
LLSnapshotFloaterView* gSnapshotFloaterView = nullptr;

constexpr F32 AUTO_SNAPSHOT_TIME_DELAY = 1.f;

constexpr S32 MAX_POSTCARD_DATASIZE = 1572864; // 1.5 megabyte, similar to simulator limit
constexpr S32 MAX_TEXTURE_SIZE = 2048 ; //max upload texture size 2048 * 2048

static LLDefaultChildRegistry::Register<LLSnapshotFloaterView> r("snapshot_floater_view");

// virtual
LLPanelSnapshot* LLFloaterSnapshot::Impl::getActivePanel(LLFloaterSnapshotBase* floater, bool ok_if_not_found)
{
    LLSideTrayPanelContainer* panel_container = floater->getChild<LLSideTrayPanelContainer>("panel_container");
    LLPanelSnapshot* active_panel = dynamic_cast<LLPanelSnapshot*>(panel_container->getCurrentPanel());
    if (!ok_if_not_found)
    {
        llassert_always(active_panel != NULL);
    }
    return active_panel;
}

// virtual
LLSnapshotModel::ESnapshotType LLFloaterSnapshotBase::ImplBase::getActiveSnapshotType(LLFloaterSnapshotBase* floater)
{
    LLPanelSnapshot* spanel = getActivePanel(floater);

    //return type;
    if (spanel)
    {
        return spanel->getSnapshotType();
    }
    return LLSnapshotModel::SNAPSHOT_WEB;
}

// virtual
LLSnapshotModel::ESnapshotFormat LLFloaterSnapshot::Impl::getImageFormat(LLFloaterSnapshotBase* floater)
{
    LLPanelSnapshot* active_panel = getActivePanel(floater);
    // FIXME: if the default is not PNG, profile uploads may fail.
    return active_panel ? active_panel->getImageFormat() : LLSnapshotModel::SNAPSHOT_FORMAT_PNG;
}

LLSpinCtrl* LLFloaterSnapshot::Impl::getWidthSpinner(LLFloaterSnapshotBase* floater)
{
    LLPanelSnapshot* active_panel = getActivePanel(floater);
    return active_panel ? active_panel->getWidthSpinner() : floater->getChild<LLSpinCtrl>("snapshot_width");
}

LLSpinCtrl* LLFloaterSnapshot::Impl::getHeightSpinner(LLFloaterSnapshotBase* floater)
{
    LLPanelSnapshot* active_panel = getActivePanel(floater);
    return active_panel ? active_panel->getHeightSpinner() : floater->getChild<LLSpinCtrl>("snapshot_height");
}

void LLFloaterSnapshot::Impl::enableAspectRatioCheckbox(LLFloaterSnapshotBase* floater, bool enable)
{
    LLPanelSnapshot* active_panel = getActivePanel(floater);
    if (active_panel)
    {
        active_panel->enableAspectRatioCheckbox(enable);
    }
}

void LLFloaterSnapshot::Impl::setAspectRatioCheckboxValue(LLFloaterSnapshotBase* floater, bool checked)
{
    LLPanelSnapshot* active_panel = getActivePanel(floater);
    if (active_panel)
    {
        active_panel->getChild<LLUICtrl>(active_panel->getAspectRatioCBName())->setValue(checked);
    }
}

LLSnapshotLivePreview* LLFloaterSnapshotBase::getPreviewView()
{
    return impl->getPreviewView();
}

LLSnapshotLivePreview* LLFloaterSnapshotBase::ImplBase::getPreviewView()
{
    LLSnapshotLivePreview* previewp = (LLSnapshotLivePreview*)mPreviewHandle.get();
    return previewp;
}

// virtual
LLSnapshotModel::ESnapshotLayerType LLFloaterSnapshot::Impl::getLayerType(LLFloaterSnapshotBase* floater)
{
    LLSnapshotModel::ESnapshotLayerType type = LLSnapshotModel::SNAPSHOT_TYPE_COLOR;
    LLSD value = floater->getChild<LLUICtrl>("layer_types")->getValue();
    const std::string id = value.asString();
    if (id == "colors")
        type = LLSnapshotModel::SNAPSHOT_TYPE_COLOR;
    else if (id == "depth")
        type = LLSnapshotModel::SNAPSHOT_TYPE_DEPTH;
    return type;
}

void LLFloaterSnapshot::Impl::setResolution(LLFloaterSnapshotBase* floater, const std::string& comboname)
{
    LLComboBox* combo = floater->getChild<LLComboBox>(comboname);
        combo->setVisible(true);
    updateResolution(combo, floater, false); // to sync spinners with combo
}

//virtual
void LLFloaterSnapshotBase::ImplBase::updateLayout(LLFloaterSnapshotBase* floaterp)
{
    LLSnapshotLivePreview* previewp = getPreviewView();

    //BD - Automatically calculate the size of our snapshot window to enlarge
    //     the snapshot preview to its maximum size, this is especially helpfull
    //     for pretty much every aspect ratio other than 1:1.
    F32 panel_width = 400.f * gViewerWindow->getWorldViewAspectRatio();

    //BD - Make sure we clamp at 700 here because 700 would be for 16:9 which we
    //     consider the maximum. Everything bigger will be clamped and will have
    //     a slightly smaller preview window which most likely won't fill up the
    //     whole snapshot floater as it should.
    if(panel_width > 700.f)
    {
        panel_width = 700.f;
    }

    S32 floater_width{ 224 };
    if(mAdvanced)
    {
        floater_width = floater_width + (S32)panel_width;
    }

    LLUICtrl* thumbnail_placeholder = floaterp->getChild<LLUICtrl>("thumbnail_placeholder");
    thumbnail_placeholder->setVisible(mAdvanced);

    floaterp->getChild<LLUICtrl>("image_res_text")->setVisible(mAdvanced);
    floaterp->getChild<LLUICtrl>("file_size_label")->setVisible(mAdvanced);
    if (floaterp->hasChild("360_label", true))
    {
        floaterp->getChild<LLUICtrl>("360_label")->setVisible(mAdvanced);
    }
    if (!mSkipReshaping)
    {
        thumbnail_placeholder->reshape((S32)panel_width, thumbnail_placeholder->getRect().getHeight());
        if (!floaterp->isMinimized())
        {
            floaterp->reshape(floater_width, floaterp->getRect().getHeight());
        }
    }

    bool use_freeze_frame = floaterp->getChild<LLUICtrl>("freeze_frame_check")->getValue().asBoolean();

    if (use_freeze_frame)
    {
        // stop all mouse events at fullscreen preview layer
        floaterp->getParent()->setMouseOpaque(true);

        // shrink to smaller layout
        // *TODO: unneeded?
        floaterp->reshape(floaterp->getRect().getWidth(), floaterp->getRect().getHeight());

        // can see and interact with fullscreen preview now
        if (previewp)
        {
            previewp->setVisible(true);
            previewp->setEnabled(true);
        }

        //RN: freeze all avatars
        LLCharacter* avatarp;
        for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
            iter != LLCharacter::sInstances.end(); ++iter)
        {
            avatarp = *iter;
            floaterp->impl->mAvatarPauseHandles.push_back(avatarp->requestPause());
        }

        // freeze everything else
        gSavedSettings.setBOOL("FreezeTime", true);

        if (LLToolMgr::getInstance()->getCurrentToolset() != gCameraToolset)
        {
            floaterp->impl->mLastToolset = LLToolMgr::getInstance()->getCurrentToolset();
            LLToolMgr::getInstance()->setCurrentToolset(gCameraToolset);
        }
    }
    else // turning off freeze frame mode
    {
        floaterp->getParent()->setMouseOpaque(false);
        // *TODO: unneeded?
        floaterp->reshape(floaterp->getRect().getWidth(), floaterp->getRect().getHeight());
        if (previewp)
        {
            previewp->setVisible(false);
            previewp->setEnabled(false);
        }

        //RN: thaw all avatars
        floaterp->impl->mAvatarPauseHandles.clear();

        // thaw everything else
        gSavedSettings.setBOOL("FreezeTime", false);

        // restore last tool (e.g. pie menu, etc)
        if (floaterp->impl->mLastToolset)
        {
            LLToolMgr::getInstance()->setCurrentToolset(floaterp->impl->mLastToolset);
        }
    }
}

// This is the main function that keeps all the GUI controls in sync with the saved settings.
// It should be called anytime a setting is changed that could affect the controls.
// No other methods should be changing any of the controls directly except for helpers called by this method.
// The basic pattern for programmatically changing the GUI settings is to first set the
// appropriate saved settings and then call this method to sync the GUI with them.
// FIXME: The above comment seems obsolete now.
// virtual
void LLFloaterSnapshot::Impl::updateControls(LLFloaterSnapshotBase* floater)
{
    LLSnapshotModel::ESnapshotType shot_type = getActiveSnapshotType(floater);
    LLSnapshotModel::ESnapshotFormat shot_format = (LLSnapshotModel::ESnapshotFormat)gSavedSettings.getS32("SnapshotFormat");
    LLSnapshotModel::ESnapshotLayerType layer_type = getLayerType(floater);

    floater->getChild<LLComboBox>("local_format_combo")->selectNthItem(gSavedSettings.getS32("SnapshotFormat"));
    floater->getChildView("layer_types")->setEnabled(shot_type == LLSnapshotModel::SNAPSHOT_LOCAL);

    LLPanelSnapshot* active_panel = getActivePanel(floater);
    if (active_panel)
    {
        LLSpinCtrl* width_ctrl = getWidthSpinner(floater);
        LLSpinCtrl* height_ctrl = getHeightSpinner(floater);

        // Initialize spinners.
        if (width_ctrl->getValue().asInteger() == 0)
        {
            S32 w = gViewerWindow->getWindowWidthRaw();
            LL_DEBUGS() << "Initializing width spinner (" << width_ctrl->getName() << "): " << w << LL_ENDL;
            width_ctrl->setValue(w);
            if (getActiveSnapshotType(floater) == LLSnapshotModel::SNAPSHOT_TEXTURE)
            {
                width_ctrl->setIncrement((F32)(w >> 1));
            }
        }
        if (height_ctrl->getValue().asInteger() == 0)
        {
            S32 h = gViewerWindow->getWindowHeightRaw();
            LL_DEBUGS() << "Initializing height spinner (" << height_ctrl->getName() << "): " << h << LL_ENDL;
            height_ctrl->setValue(h);
            if (getActiveSnapshotType(floater) == LLSnapshotModel::SNAPSHOT_TEXTURE)
            {
                height_ctrl->setIncrement((F32)(h >> 1));
            }
        }

        // Clamp snapshot resolution to window size when showing UI or HUD in snapshot.
        if (gSavedSettings.getBOOL("RenderUIInSnapshot") || gSavedSettings.getBOOL("RenderHUDInSnapshot"))
        {
            S32 width = gViewerWindow->getWindowWidthRaw();
            S32 height = gViewerWindow->getWindowHeightRaw();

            width_ctrl->setMaxValue((F32)width);

            height_ctrl->setMaxValue((F32)height);

            if (width_ctrl->getValue().asInteger() > width)
            {
                width_ctrl->forceSetValue(width);
            }
            if (height_ctrl->getValue().asInteger() > height)
            {
                height_ctrl->forceSetValue(height);
            }
        }
        else
        {
            width_ctrl->setMaxValue(MAX_SNAPSHOT_IMAGE_SIZE);
            height_ctrl->setMaxValue(MAX_SNAPSHOT_IMAGE_SIZE);
        }
    }

    LLSnapshotLivePreview* previewp = getPreviewView();
    bool got_bytes = previewp && previewp->getDataSize() > 0;
    bool got_snap = previewp && previewp->getSnapshotUpToDate();

    // *TODO: Separate maximum size for Web images from postcards
    LL_DEBUGS() << "Is snapshot up-to-date? " << got_snap << LL_ENDL;

    LLLocale locale(LLLocale::USER_LOCALE);
    std::string bytes_string;
    if (got_snap)
    {
        LLResMgr::getInstance()->getIntegerString(bytes_string, (previewp->getDataSize()) >> 10 );
    }

    // Update displayed image resolution.
    LLTextBox* image_res_tb = floater->getChild<LLTextBox>("image_res_text");
    image_res_tb->setVisible(got_snap);
    if (got_snap)
    {
        image_res_tb->setTextArg("[WIDTH]", llformat("%d", previewp->getEncodedImageWidth()));
        image_res_tb->setTextArg("[HEIGHT]", llformat("%d", previewp->getEncodedImageHeight()));
    }

    floater->getChild<LLUICtrl>("file_size_label")->setTextArg("[SIZE]", got_snap ? bytes_string : floater->getString("unknown"));
    floater->getChild<LLUICtrl>("file_size_label")->setColor(
            shot_type == LLSnapshotModel::SNAPSHOT_POSTCARD
            && got_bytes
            && previewp->getDataSize() > MAX_POSTCARD_DATASIZE ? LLUIColor(LLColor4::red) : LLUIColorTable::instance().getColor( "LabelTextColor" ));

    // Update the width and height spinners based on the corresponding resolution combos. (?)
    switch(shot_type)
    {
      case LLSnapshotModel::SNAPSHOT_WEB:
        layer_type = LLSnapshotModel::SNAPSHOT_TYPE_COLOR;
        floater->getChild<LLUICtrl>("layer_types")->setValue("colors");
        setResolution(floater, "profile_size_combo");
        break;
      case LLSnapshotModel::SNAPSHOT_POSTCARD:
        layer_type = LLSnapshotModel::SNAPSHOT_TYPE_COLOR;
        floater->getChild<LLUICtrl>("layer_types")->setValue("colors");
        setResolution(floater, "postcard_size_combo");
        break;
      case LLSnapshotModel::SNAPSHOT_TEXTURE:
        layer_type = LLSnapshotModel::SNAPSHOT_TYPE_COLOR;
        floater->getChild<LLUICtrl>("layer_types")->setValue("colors");
        setResolution(floater, "texture_size_combo");
        break;
      case  LLSnapshotModel::SNAPSHOT_LOCAL:
        setResolution(floater, "local_size_combo");
        break;
      default:
        break;
    }
    setAspectRatioCheckboxValue(floater, !floater->impl->mAspectRatioCheckOff && gSavedSettings.getBOOL("KeepAspectForSnapshot"));

    if (previewp)
    {
        previewp->setSnapshotType(shot_type);
        previewp->setSnapshotFormat(shot_format);
        previewp->setSnapshotBufferType(layer_type);
    }

    LLPanelSnapshot* current_panel = Impl::getActivePanel(floater);
    if (current_panel)
    {
        LLSD info;
        info["have-snapshot"] = got_snap;
        current_panel->updateControls(info);
    }
    LL_DEBUGS() << "finished updating controls" << LL_ENDL;
}

//virtual
void LLFloaterSnapshotBase::ImplBase::setStatus(EStatus status, bool ok, const std::string& msg)
{
    switch (status)
    {
    case STATUS_READY:
        setWorking(false);
        setFinished(false);
        break;
    case STATUS_WORKING:
        setWorking(true);
        setFinished(false);
        break;
    case STATUS_FINISHED:
        setWorking(false);
        setFinished(true, ok, msg);
        break;
    }

    mStatus = status;
}

// virtual
void LLFloaterSnapshotBase::ImplBase::setNeedRefresh(bool need)
{
    if (!mFloater) return;

    // Don't display the "Refresh to save" message if we're in auto-refresh mode.
    if (gSavedSettings.getBOOL("AutoSnapshot"))
    {
        need = false;
    }

    mFloater->setRefreshLabelVisible(need);
    mNeedRefresh = need;
}

// virtual
void LLFloaterSnapshotBase::ImplBase::checkAutoSnapshot(LLSnapshotLivePreview* previewp, bool update_thumbnail)
{
    if (previewp)
    {
        bool autosnap = gSavedSettings.getBOOL("AutoSnapshot");
        LL_DEBUGS() << "updating " << (autosnap ? "snapshot" : "thumbnail") << LL_ENDL;
        previewp->updateSnapshot(autosnap, update_thumbnail, autosnap ? AUTO_SNAPSHOT_TIME_DELAY : 0.f);
    }
}

// static
void LLFloaterSnapshotBase::ImplBase::onClickNewSnapshot(void* data)
{
    LLFloaterSnapshotBase* floater = (LLFloaterSnapshotBase *)data;
    LLSnapshotLivePreview* previewp = floater->getPreviewView();
    if (previewp)
    {
        floater->impl->setStatus(ImplBase::STATUS_READY);
        LL_DEBUGS() << "updating snapshot" << LL_ENDL;
        previewp->mForceUpdateSnapshot = true;
    }
}

// static
void LLFloaterSnapshotBase::ImplBase::onClickAutoSnap(LLUICtrl *ctrl, void* data)
{
    LLCheckBoxCtrl *check = (LLCheckBoxCtrl *)ctrl;
    gSavedSettings.setBOOL( "AutoSnapshot", check->get() );

    LLFloaterSnapshotBase *view = (LLFloaterSnapshotBase *)data;
    if (view)
    {
        view->impl->checkAutoSnapshot(view->getPreviewView());
        view->impl->updateControls(view);
    }
}

// static
void LLFloaterSnapshotBase::ImplBase::onClickNoPost(LLUICtrl *ctrl, void* data)
{
    bool no_post = ((LLCheckBoxCtrl*)ctrl)->get();
    gSavedSettings.setBOOL("RenderSnapshotNoPost", no_post);

    LLFloaterSnapshotBase* view = (LLFloaterSnapshotBase*)data;
    view->getPreviewView()->updateSnapshot(true, true);
    view->impl->updateControls(view);
}

// static
void LLFloaterSnapshotBase::ImplBase::onClickFilter(LLUICtrl *ctrl, void* data)
{
    LLFloaterSnapshotBase *view = (LLFloaterSnapshotBase *)data;
    if (view)
    {
        view->impl->updateControls(view);
        LLSnapshotLivePreview* previewp = view->getPreviewView();
        if (previewp)
        {
            view->impl->checkAutoSnapshot(previewp);
            // Note : index 0 of the filter drop down is assumed to be "No filter" in whichever locale
            LLComboBox* filterbox = static_cast<LLComboBox *>(view->getChild<LLComboBox>("filters_combobox"));
            std::string filter_name = (filterbox->getCurrentIndex() ? filterbox->getSimple() : "");
            previewp->setFilter(filter_name);
            previewp->updateSnapshot(true);
        }
    }
}

// static
void LLFloaterSnapshotBase::ImplBase::onClickUICheck(LLUICtrl *ctrl, void* data)
{
    LLCheckBoxCtrl *check = (LLCheckBoxCtrl *)ctrl;
    gSavedSettings.setBOOL( "RenderUIInSnapshot", check->get() );

    LLFloaterSnapshot *view = (LLFloaterSnapshot *)data;
    if (view)
    {
        LLSnapshotLivePreview* previewp = view->getPreviewView();
        if(previewp)
        {
            previewp->updateSnapshot(true, true);
        }
        view->impl->updateControls(view);
    }
}

// static
void LLFloaterSnapshotBase::ImplBase::onClickHUDCheck(LLUICtrl *ctrl, void* data)
{
    LLCheckBoxCtrl *check = (LLCheckBoxCtrl *)ctrl;
    gSavedSettings.setBOOL( "RenderHUDInSnapshot", check->get() );

    LLFloaterSnapshot *view = (LLFloaterSnapshot *)data;
    if (view)
    {
        LLSnapshotLivePreview* previewp = view->getPreviewView();
        if(previewp)
        {
            previewp->updateSnapshot(true, true);
        }
        view->impl->updateControls(view);
    }
}

void LLFloaterSnapshot::Impl::applyKeepAspectCheck(LLFloaterSnapshotBase* view, bool checked)
{
    gSavedSettings.setBOOL("KeepAspectForSnapshot", checked);

    if (view)
    {
        LLPanelSnapshot* active_panel = getActivePanel(view);
        if (checked && active_panel)
        {
            LLComboBox* combo = view->getChild<LLComboBox>(active_panel->getImageSizeComboName());
            combo->setCurrentByIndex(combo->getItemCount() - 1); // "custom" is always the last index
        }

        LLSnapshotLivePreview* previewp = getPreviewView() ;
        if(previewp)
        {
            previewp->mKeepAspectRatio = gSavedSettings.getBOOL("KeepAspectForSnapshot") ;

            S32 w, h ;
            previewp->getSize(w, h) ;
            updateSpinners(view, previewp, w, h, true); // may change w and h

            LL_DEBUGS() << "updating thumbnail" << LL_ENDL;
            previewp->setSize(w, h) ;
            previewp->updateSnapshot(true);
            checkAutoSnapshot(previewp, true);
        }
    }
}

// static
void LLFloaterSnapshotBase::ImplBase::onCommitFreezeFrame(LLUICtrl* ctrl, void* data)
{
    LLCheckBoxCtrl* check_box = (LLCheckBoxCtrl*)ctrl;
    LLFloaterSnapshotBase *view = (LLFloaterSnapshotBase *)data;
    LLSnapshotLivePreview* previewp = view->getPreviewView();

    if (!view || !check_box || !previewp)
    {
        return;
    }

    gSavedSettings.setBOOL("UseFreezeFrame", check_box->get());

    if (check_box->get())
    {
        previewp->prepareFreezeFrame();
    }

    view->impl->updateLayout(view);
}

void LLFloaterSnapshot::Impl::checkAspectRatio(LLFloaterSnapshotBase *view, S32 index)
{
    LLSnapshotLivePreview *previewp = getPreviewView() ;

    // Don't round texture sizes; textures are commonly stretched in world, profiles, etc and need to be "squashed" during upload, not cropped here
    if (LLSnapshotModel::SNAPSHOT_TEXTURE == getActiveSnapshotType(view))
    {
        previewp->mKeepAspectRatio = false ;
        return ;
    }

    bool keep_aspect = false, enable_cb = false;

    if (0 == index) // current window size
    {
        enable_cb = false;
        keep_aspect = true;
    }
    else if (-1 == index) // custom
    {
        enable_cb = true;
        keep_aspect = gSavedSettings.getBOOL("KeepAspectForSnapshot");
    }
    else // predefined resolution
    {
        enable_cb = false;
        keep_aspect = false;
    }

    view->impl->mAspectRatioCheckOff = !enable_cb;

    if (previewp)
    {
        previewp->mKeepAspectRatio = keep_aspect;
    }
}

// Show/hide upload progress indicators.
void LLFloaterSnapshotBase::ImplBase::setWorking(bool working)
{
    LLUICtrl* working_lbl = mFloater->getChild<LLUICtrl>("working_lbl");
    working_lbl->setVisible(working);
    mFloater->getChild<LLUICtrl>("working_indicator")->setVisible(working);

    if (working)
    {
        const std::string panel_name = getActivePanel(mFloater, false)->getName();
        const std::string prefix = panel_name.substr(getSnapshotPanelPrefix().size());
        std::string progress_text = mFloater->getString(prefix + "_" + "progress_str");
        working_lbl->setValue(progress_text);
    }

    // All controls should be disabled while posting.
    mFloater->setCtrlsEnabled(!working);
    LLPanelSnapshot* active_panel = getActivePanel(mFloater);
    if (active_panel)
    {
        active_panel->enableControls(!working);
    }
}

//virtual
std::string LLFloaterSnapshot::Impl::getSnapshotPanelPrefix()
{
    return "panel_snapshot_";
}

// Show/hide upload status message.
// virtual
void LLFloaterSnapshot::Impl::setFinished(bool finished, bool ok, const std::string& msg)
{
    mFloater->setSuccessLabelPanelVisible(finished && ok);
    mFloater->setFailureLabelPanelVisible(finished && !ok);

    if (finished)
    {
        LLUICtrl* finished_lbl = mFloater->getChild<LLUICtrl>(ok ? "succeeded_lbl" : "failed_lbl");
        std::string result_text = mFloater->getString(msg + "_" + (ok ? "succeeded_str" : "failed_str"));
        finished_lbl->setValue(result_text);
    }
}

// Apply a new resolution selected from the given combobox.
void LLFloaterSnapshot::Impl::updateResolution(LLUICtrl* ctrl, void* data, bool do_update)
{
    LLComboBox* combobox = (LLComboBox*)ctrl;
    LLFloaterSnapshot *view = (LLFloaterSnapshot *)data;

    if (!view || !combobox)
    {
        llassert(view && combobox);
        return;
    }

    std::string sdstring = combobox->getSelectedValue();
    LLSD sdres;
    std::stringstream sstream(sdstring);
    LLSDSerialize::fromNotation(sdres, sstream, sdstring.size());

    S32 width = sdres[0];
    S32 height = sdres[1];

    LLSnapshotLivePreview* previewp = getPreviewView();
    if (previewp && combobox->getCurrentIndex() >= 0)
    {
        S32 original_width = 0 , original_height = 0 ;
        previewp->getSize(original_width, original_height) ;

        if (gSavedSettings.getBOOL("RenderUIInSnapshot") || gSavedSettings.getBOOL("RenderHUDInSnapshot"))
        { //clamp snapshot resolution to window size when showing UI or HUD in snapshot
            width = llmin(width, gViewerWindow->getWindowWidthRaw());
            height = llmin(height, gViewerWindow->getWindowHeightRaw());
        }

        if (width == 0 || height == 0)
        {
            // take resolution from current window size
            LL_DEBUGS() << "Setting preview res from window: " << gViewerWindow->getWindowWidthRaw() << "x" << gViewerWindow->getWindowHeightRaw() << LL_ENDL;
            previewp->setSize(gViewerWindow->getWindowWidthRaw(), gViewerWindow->getWindowHeightRaw());
        }
        else if (width == -1 || height == -1)
        {
            // load last custom value
            S32 new_width = 0, new_height = 0;
            LLPanelSnapshot* spanel = getActivePanel(view);
            if (spanel)
            {
                LL_DEBUGS() << "Loading typed res from panel " << spanel->getName() << LL_ENDL;
                new_width = spanel->getTypedPreviewWidth();
                new_height = spanel->getTypedPreviewHeight();

                // Limit custom size for inventory snapshots to 512x512 px.
                if (getActiveSnapshotType(view) == LLSnapshotModel::SNAPSHOT_TEXTURE)
                {
                    new_width = llmin(new_width, MAX_TEXTURE_SIZE);
                    new_height = llmin(new_height, MAX_TEXTURE_SIZE);
                }
            }
            else
            {
                LL_DEBUGS() << "No custom res chosen, setting preview res from window: "
                    << gViewerWindow->getWindowWidthRaw() << "x" << gViewerWindow->getWindowHeightRaw() << LL_ENDL;
                new_width = gViewerWindow->getWindowWidthRaw();
                new_height = gViewerWindow->getWindowHeightRaw();
            }

            llassert(new_width > 0 && new_height > 0);
            previewp->setSize(new_width, new_height);
        }
        else
        {
            // use the resolution from the selected pre-canned drop-down choice
            LL_DEBUGS() << "Setting preview res selected from combo: " << width << "x" << height << LL_ENDL;
            previewp->setSize(width, height);
        }

        checkAspectRatio(view, width) ;

        previewp->getSize(width, height);

        // We use the height spinner here because we come here via the aspect ratio
        // checkbox as well and we want height always changing to width by default.
        // If we use the width spinner we would change width according to height by
        // default, that is not what we want.
        updateSpinners(view, previewp, width, height, !getHeightSpinner(view)->isDirty()); // may change width and height

        if(getWidthSpinner(view)->getValue().asInteger() != width || getHeightSpinner(view)->getValue().asInteger() != height)
        {
            getWidthSpinner(view)->setValue(width);
            getHeightSpinner(view)->setValue(height);
            if (getActiveSnapshotType(view) == LLSnapshotModel::SNAPSHOT_TEXTURE)
            {
                getWidthSpinner(view)->setIncrement((F32)(width >> 1));
                getHeightSpinner(view)->setIncrement((F32)(height >> 1));
            }
        }

        if(original_width != width || original_height != height)
        {
            previewp->setSize(width, height);

            // hide old preview as the aspect ratio could be wrong
            checkAutoSnapshot(previewp, false);
            LL_DEBUGS() << "updating thumbnail" << LL_ENDL;
            // Don't update immediately, give window chance to redraw
            getPreviewView()->updateSnapshot(true, false, 1.f);
            if(do_update)
            {
                LL_DEBUGS() << "Will update controls" << LL_ENDL;
                updateControls(view);
            }
        }
    }
}

// static
void LLFloaterSnapshot::Impl::onCommitLayerTypes(LLUICtrl* ctrl, void*data)
{
    LLComboBox* combobox = (LLComboBox*)ctrl;

    LLFloaterSnapshot *view = (LLFloaterSnapshot *)data;

    if (view)
    {
        LLSnapshotLivePreview* previewp = view->getPreviewView();
        if (previewp)
        {
            previewp->setSnapshotBufferType((LLSnapshotModel::ESnapshotLayerType)combobox->getCurrentIndex());
        }
        view->impl->checkAutoSnapshot(previewp, true);
        previewp->updateSnapshot(true, true);
    }
}

void LLFloaterSnapshot::Impl::onImageQualityChange(LLFloaterSnapshotBase* view, S32 quality_val)
{
    LLSnapshotLivePreview* previewp = getPreviewView();
    if (previewp)
    {
        previewp->setSnapshotQuality(quality_val);
    }
}

void LLFloaterSnapshot::Impl::onImageFormatChange(LLFloaterSnapshotBase* view)
{
    if (view)
    {
        gSavedSettings.setS32("SnapshotFormat", getImageFormat(view));
        LL_DEBUGS() << "image format changed, updating snapshot" << LL_ENDL;
        getPreviewView()->updateSnapshot(true);
        updateControls(view);
    }
}

// Sets the named size combo to "custom" mode.
void LLFloaterSnapshot::Impl::comboSetCustom(LLFloaterSnapshotBase* floater, const std::string& comboname)
{
    LLComboBox* combo = floater->getChild<LLComboBox>(comboname);
    combo->setCurrentByIndex(combo->getItemCount() - 1); // "custom" is always the last index
    checkAspectRatio(floater, -1); // -1 means custom
}

// Update supplied width and height according to the constrain proportions flag; limit them by max_val.
bool LLFloaterSnapshot::Impl::checkImageSize(LLSnapshotLivePreview* previewp, S32& width, S32& height, bool isWidthChanged, S32 max_value)
{
    S32 w = width ;
    S32 h = height ;

    if(previewp && previewp->mKeepAspectRatio)
    {
        if(gViewerWindow->getWindowWidthRaw() < 1 || gViewerWindow->getWindowHeightRaw() < 1)
        {
            return false ;
        }

        //aspect ratio of the current window
        F32 aspect_ratio = (F32)gViewerWindow->getWindowWidthRaw() / gViewerWindow->getWindowHeightRaw() ;

        //change another value proportionally
        if(isWidthChanged)
        {
            height = ll_round(width / aspect_ratio) ;
        }
        else
        {
            width = ll_round(height * aspect_ratio) ;
        }

        //bound w/h by the max_value
        if(width > max_value || height > max_value)
        {
            if(width > height)
            {
                width = max_value ;
                height = (S32)(width / aspect_ratio) ;
            }
            else
            {
                height = max_value ;
                width = (S32)(height * aspect_ratio) ;
            }
        }
    }

    return (w != width || h != height) ;
}

void LLFloaterSnapshot::Impl::setImageSizeSpinnersValues(LLFloaterSnapshotBase* view, S32 width, S32 height)
{
    getWidthSpinner(view)->forceSetValue(width);
    getHeightSpinner(view)->forceSetValue(height);
    if (getActiveSnapshotType(view) == LLSnapshotModel::SNAPSHOT_TEXTURE)
    {
        getWidthSpinner(view)->setIncrement((F32)(width >> 1));
        getHeightSpinner(view)->setIncrement((F32)(height >> 1));
    }
}

void LLFloaterSnapshot::Impl::updateSpinners(LLFloaterSnapshotBase* view, LLSnapshotLivePreview* previewp, S32& width, S32& height, bool is_width_changed)
{
    getWidthSpinner(view)->resetDirty();
    getHeightSpinner(view)->resetDirty();
    if (checkImageSize(previewp, width, height, is_width_changed, previewp->getMaxImageSize()))
    {
        setImageSizeSpinnersValues(view, width, height);
    }
}

void LLFloaterSnapshot::Impl::applyCustomResolution(LLFloaterSnapshotBase* view, S32 w, S32 h)
{
    LL_DEBUGS() << "applyCustomResolution(" << w << ", " << h << ")" << LL_ENDL;
    if (!view) return;

    LLSnapshotLivePreview* previewp = getPreviewView();
    if (previewp)
    {
        S32 curw,curh;
        previewp->getSize(curw, curh);

        if (w != curw || h != curh)
        {
            //if to upload a snapshot, process spinner input in a special way.
            previewp->setMaxImageSize((S32) getWidthSpinner(view)->getMaxValue()) ;

            previewp->setSize(w,h);
            checkAutoSnapshot(previewp, false);
            comboSetCustom(view, "profile_size_combo");
            comboSetCustom(view, "postcard_size_combo");
            comboSetCustom(view, "texture_size_combo");
            comboSetCustom(view, "local_size_combo");
            LL_DEBUGS() << "applied custom resolution, updating thumbnail" << LL_ENDL;
            previewp->updateSnapshot(true);
        }
    }
}

// static
void LLFloaterSnapshot::Impl::onSnapshotUploadFinished(LLFloaterSnapshotBase* floater, bool status)
{
    floater->impl->setStatus(STATUS_FINISHED, status, "profile");
}

// static
void LLFloaterSnapshot::Impl::onSendingPostcardFinished(LLFloaterSnapshotBase* floater, bool status)
{
    floater->impl->setStatus(STATUS_FINISHED, status, "postcard");
}

///----------------------------------------------------------------------------
/// Class LLFloaterSnapshotBase
///----------------------------------------------------------------------------

// Default constructor
LLFloaterSnapshotBase::LLFloaterSnapshotBase(const LLSD& key)
    : LLFloater(key),
      mRefreshBtn(NULL),
      mRefreshLabel(NULL),
      mSucceessLblPanel(NULL),
      mFailureLblPanel(NULL)
{
}

LLFloaterSnapshotBase::~LLFloaterSnapshotBase()
{
    if (impl->mPreviewHandle.get()) impl->mPreviewHandle.get()->die();

    //unfreeze everything else
    gSavedSettings.setBOOL("FreezeTime", false);

    if (impl->mLastToolset)
    {
        LLToolMgr::getInstance()->setCurrentToolset(impl->mLastToolset);
    }

    delete impl;
}

///----------------------------------------------------------------------------
/// Class LLFloaterSnapshot
///----------------------------------------------------------------------------

// Default constructor
LLFloaterSnapshot::LLFloaterSnapshot(const LLSD& key)
    : LLFloaterSnapshotBase(key)
{
    impl = new Impl(this);
}

LLFloaterSnapshot::~LLFloaterSnapshot()
{
}

// virtual
bool LLFloaterSnapshot::postBuild()
{
    mRefreshBtn = getChild<LLUICtrl>("new_snapshot_btn");
    childSetAction("new_snapshot_btn", ImplBase::onClickNewSnapshot, this);
    mRefreshLabel = getChild<LLUICtrl>("refresh_lbl");
    mSucceessLblPanel = getChild<LLUICtrl>("succeeded_panel");
    mFailureLblPanel = getChild<LLUICtrl>("failed_panel");

    childSetCommitCallback("ui_check", ImplBase::onClickUICheck, this);
    getChild<LLUICtrl>("ui_check")->setValue(gSavedSettings.getBOOL("RenderUIInSnapshot"));

    childSetCommitCallback("hud_check", ImplBase::onClickHUDCheck, this);
    getChild<LLUICtrl>("hud_check")->setValue(gSavedSettings.getBOOL("RenderHUDInSnapshot"));

    ((Impl*)impl)->setAspectRatioCheckboxValue(this, gSavedSettings.getBOOL("KeepAspectForSnapshot"));

    childSetCommitCallback("layer_types", Impl::onCommitLayerTypes, this);
    getChild<LLUICtrl>("layer_types")->setValue("colors");
    getChildView("layer_types")->setEnabled(false);

    getChild<LLUICtrl>("freeze_frame_check")->setValue(gSavedSettings.getBOOL("UseFreezeFrame"));
    childSetCommitCallback("freeze_frame_check", ImplBase::onCommitFreezeFrame, this);

    getChild<LLUICtrl>("auto_snapshot_check")->setValue(gSavedSettings.getBOOL("AutoSnapshot"));
    childSetCommitCallback("auto_snapshot_check", ImplBase::onClickAutoSnap, this);

    getChild<LLUICtrl>("no_post_check")->setValue(gSavedSettings.getBOOL("RenderSnapshotNoPost"));
    childSetCommitCallback("no_post_check", ImplBase::onClickNoPost, this);

    getChild<LLButton>("retract_btn")->setCommitCallback(boost::bind(&LLFloaterSnapshot::onExtendFloater, this));
    getChild<LLButton>("extend_btn")->setCommitCallback(boost::bind(&LLFloaterSnapshot::onExtendFloater, this));

    getChild<LLTextBox>("360_label")->setSoundFlags(LLView::MOUSE_UP);
    getChild<LLTextBox>("360_label")->setShowCursorHand(false);
    getChild<LLTextBox>("360_label")->setClickedCallback(boost::bind(&LLFloaterSnapshot::on360Snapshot, this));

    // Filters
    LLComboBox* filterbox = getChild<LLComboBox>("filters_combobox");
    std::vector<std::string> filter_list = LLImageFiltersManager::getInstance()->getFiltersList();
    for (U32 i = 0; i < filter_list.size(); i++)
    {
        filterbox->add(filter_list[i]);
    }
    childSetCommitCallback("filters_combobox", ImplBase::onClickFilter, this);

    LLWebProfile::setImageUploadResultCallback(boost::bind(&Impl::onSnapshotUploadFinished, this, _1));
    LLPostCard::setPostResultCallback(boost::bind(&Impl::onSendingPostcardFinished, this, _1));

    mThumbnailPlaceholder = getChild<LLUICtrl>("thumbnail_placeholder");

    // create preview window
    LLRect full_screen_rect = getRootView()->getRect();
    LLSnapshotLivePreview::Params p;
    p.rect(full_screen_rect);
    LLSnapshotLivePreview* previewp = new LLSnapshotLivePreview(p);
    LLView* parent_view = gSnapshotFloaterView->getParent();

    parent_view->removeChild(gSnapshotFloaterView);
    // make sure preview is below snapshot floater
    parent_view->addChild(previewp);
    parent_view->addChild(gSnapshotFloaterView);

    //move snapshot floater to special purpose snapshotfloaterview
    gFloaterView->removeChild(this);
    gSnapshotFloaterView->addChild(this);

    // Pre-select "Current Window" resolution.
    getChild<LLComboBox>("profile_size_combo")->selectNthItem(0);
    getChild<LLComboBox>("postcard_size_combo")->selectNthItem(0);
    getChild<LLComboBox>("texture_size_combo")->selectNthItem(0);
    getChild<LLComboBox>("local_size_combo")->selectNthItem(8);
    getChild<LLComboBox>("local_format_combo")->selectNthItem(0);

    impl->mPreviewHandle = previewp->getHandle();
    previewp->setContainer(this);
    impl->updateControls(this);
    impl->setAdvanced(gSavedSettings.getBOOL("AdvanceSnapshot"));
    impl->updateLayout(this);


    previewp->setThumbnailPlaceholderRect(getThumbnailPlaceholderRect());

    return true;
}

// virtual
void LLFloaterSnapshotBase::draw()
{
    LLSnapshotLivePreview* previewp = getPreviewView();

    if (previewp && (previewp->isSnapshotActive() || previewp->getThumbnailLock()))
    {
        // don't render snapshot window in snapshot, even if "show ui" is turned on
        return;
    }

    LLFloater::draw();

    if (previewp && !isMinimized() && mThumbnailPlaceholder->getVisible())
    {
        if(previewp->getThumbnailImage())
        {
            bool working = impl->getStatus() == ImplBase::STATUS_WORKING;
            const LLRect& thumbnail_rect = getThumbnailPlaceholderRect();
            const S32 thumbnail_w = previewp->getThumbnailWidth();
            const S32 thumbnail_h = previewp->getThumbnailHeight();

            // calc preview offset within the preview rect
            const S32 local_offset_x = (thumbnail_rect.getWidth() - thumbnail_w) / 2 ;
            const S32 local_offset_y = (thumbnail_rect.getHeight() - thumbnail_h) / 2 ; // preview y pos within the preview rect

            // calc preview offset within the floater rect
            S32 offset_x = thumbnail_rect.mLeft + local_offset_x;
            S32 offset_y = thumbnail_rect.mBottom + local_offset_y;

            gGL.matrixMode(LLRender::MM_MODELVIEW);
            // Apply floater transparency to the texture unless the floater is focused.
            F32 alpha = getTransparencyType() == TT_ACTIVE ? 1.0f : getCurrentTransparency();
            LLColor4 color = working ? LLColor4::grey4 : LLColor4::white;
            gl_draw_scaled_image(offset_x, offset_y,
                    thumbnail_w, thumbnail_h,
                    previewp->getThumbnailImage(), color % alpha);

            previewp->drawPreviewRect(offset_x, offset_y) ;

            gGL.pushUIMatrix();
            LLUI::translate((F32) thumbnail_rect.mLeft, (F32) thumbnail_rect.mBottom);
            mThumbnailPlaceholder->draw();
            gGL.popUIMatrix();
        }
    }
    impl->updateLayout(this);
}

//virtual
void LLFloaterSnapshot::onOpen(const LLSD& key)
{
    LLSnapshotLivePreview* preview = getPreviewView();
    if(preview)
    {
        LL_DEBUGS() << "opened, updating snapshot" << LL_ENDL;
        preview->setAllowFullScreenPreview(true);
        preview->updateSnapshot(true);
    }
    focusFirstItem(false);
    gSnapshotFloaterView->setEnabled(true);
    gSnapshotFloaterView->setVisible(true);
    gSnapshotFloaterView->adjustToFitScreen(this, false);

    impl->updateControls(this);
    impl->setAdvanced(gSavedSettings.getBOOL("AdvanceSnapshot"));
    impl->updateLayout(this);

    // Initialize default tab.
    getChild<LLSideTrayPanelContainer>("panel_container")->getCurrentPanel()->onOpen(LLSD());
}

void LLFloaterSnapshot::onExtendFloater()
{
    impl->setAdvanced(gSavedSettings.getBOOL("AdvanceSnapshot"));
}

void LLFloaterSnapshot::on360Snapshot()
{
    LLFloaterReg::showInstance("360capture");
    closeFloater();
}

//virtual
void LLFloaterSnapshotBase::onClose(bool app_quitting)
{
    getParent()->setMouseOpaque(false);

    //unfreeze everything, hide fullscreen preview
    LLSnapshotLivePreview* previewp = getPreviewView();
    if (previewp)
    {
        previewp->setAllowFullScreenPreview(false);
        previewp->setVisible(false);
        previewp->setEnabled(false);
    }

    gSavedSettings.setBOOL("FreezeTime", false);
    impl->mAvatarPauseHandles.clear();

    if (impl->mLastToolset)
    {
        LLToolMgr::getInstance()->setCurrentToolset(impl->mLastToolset);
    }
}

// virtual
S32 LLFloaterSnapshotBase::notify(const LLSD& info)
{
    if (info.has("set-ready"))
    {
        impl->setStatus(ImplBase::STATUS_READY);
        return 1;
    }

    if (info.has("set-working"))
    {
        impl->setStatus(ImplBase::STATUS_WORKING);
        return 1;
    }

    if (info.has("set-finished"))
    {
        LLSD data = info["set-finished"];
        impl->setStatus(ImplBase::STATUS_FINISHED, data["ok"].asBoolean(), data["msg"].asString());
        return 1;
    }

    if (info.has("snapshot-updating"))
    {
        // Disable the send/post/save buttons until snapshot is ready.
        impl->updateControls(this);
        return 1;
    }

    if (info.has("snapshot-updated"))
    {
        // Enable the send/post/save buttons.
        impl->updateControls(this);
        // We've just done refresh.
        impl->setNeedRefresh(false);

        // The refresh button is initially hidden. We show it after the first update,
        // i.e. when preview appears.
        if (mRefreshBtn && !mRefreshBtn->getVisible())
        {
            mRefreshBtn->setVisible(true);
        }
        return 1;
    }

    return 0;
}

// virtual
S32 LLFloaterSnapshot::notify(const LLSD& info)
{
    bool res = LLFloaterSnapshotBase::notify(info);
    if (res)
        return res;
    // A child panel wants to change snapshot resolution.
    if (info.has("combo-res-change"))
    {
        std::string combo_name = info["combo-res-change"]["control-name"].asString();
        ((Impl*)impl)->updateResolution(getChild<LLUICtrl>(combo_name), this);
        return 1;
    }

    if (info.has("custom-res-change"))
    {
        LLSD res = info["custom-res-change"];
        ((Impl*)impl)->applyCustomResolution(this, res["w"].asInteger(), res["h"].asInteger());
        return 1;
    }

    if (info.has("keep-aspect-change"))
    {
        ((Impl*)impl)->applyKeepAspectCheck(this, info["keep-aspect-change"].asBoolean());
        return 1;
    }

    if (info.has("image-quality-change"))
    {
        ((Impl*)impl)->onImageQualityChange(this, info["image-quality-change"].asInteger());
        return 1;
    }

    if (info.has("image-format-change"))
    {
        ((Impl*)impl)->onImageFormatChange(this);
        return 1;
    }

    return 0;
}

bool LLFloaterSnapshot::isWaitingState()
{
    return (impl->getStatus() == ImplBase::STATUS_WORKING);
}

bool LLFloaterSnapshotBase::ImplBase::updatePreviewList(bool initialized)
{
    if (!initialized)
        return false;

    bool changed = false;
    LL_DEBUGS() << "npreviews: " << LLSnapshotLivePreview::sList.size() << LL_ENDL;
    for (std::set<LLSnapshotLivePreview*>::iterator iter = LLSnapshotLivePreview::sList.begin();
        iter != LLSnapshotLivePreview::sList.end(); ++iter)
    {
        changed |= LLSnapshotLivePreview::onIdle(*iter);
    }
    return changed;
}


void LLFloaterSnapshotBase::ImplBase::updateLivePreview()
{
    if (ImplBase::updatePreviewList(true) && mFloater)
    {
        LL_DEBUGS() << "changed" << LL_ENDL;
        updateControls(mFloater);
    }
}

//static
void LLFloaterSnapshot::update()
{
    LLFloaterSnapshot* inst = findInstance();
    if (inst != NULL)
    {
        inst->impl->updateLivePreview();
    }
    else
    {
        ImplBase::updatePreviewList(false);
    }
}

// static
LLFloaterSnapshot* LLFloaterSnapshot::findInstance()
{
    return LLFloaterReg::findTypedInstance<LLFloaterSnapshot>("snapshot");
}

// static
LLFloaterSnapshot* LLFloaterSnapshot::getInstance()
{
    return LLFloaterReg::getTypedInstance<LLFloaterSnapshot>("snapshot");
}

// virtual
void LLFloaterSnapshot::saveTexture()
{
    LL_DEBUGS() << "saveTexture" << LL_ENDL;

    LLSnapshotLivePreview* previewp = getPreviewView();
    if (!previewp)
    {
        llassert(previewp != NULL);
        return;
    }

    previewp->saveTexture();
}

void LLFloaterSnapshot::saveLocal(const snapshot_saved_signal_t::slot_type& success_cb, const snapshot_saved_signal_t::slot_type& failure_cb)
{
    LL_DEBUGS() << "saveLocal" << LL_ENDL;
    LLSnapshotLivePreview* previewp = getPreviewView();
    llassert(previewp != NULL);
    if (previewp)
    {
        previewp->saveLocal(success_cb, failure_cb);
    }
}

void LLFloaterSnapshotBase::postSave()
{
    impl->updateControls(this);
    impl->setStatus(ImplBase::STATUS_WORKING);
}

// virtual
void LLFloaterSnapshotBase::postPanelSwitch()
{
    impl->updateControls(this);

    // Remove the success/failure indicator whenever user presses a snapshot option button.
    impl->setStatus(ImplBase::STATUS_READY);
}

void LLFloaterSnapshotBase::inventorySaveFailed()
{
    impl->updateControls(this);
    impl->setStatus(ImplBase::STATUS_FINISHED, false, "inventory");
}

LLPointer<LLImageFormatted> LLFloaterSnapshotBase::getImageData()
{
    // FIXME: May not work for textures.

    LLSnapshotLivePreview* previewp = getPreviewView();
    if (!previewp)
    {
        llassert(previewp != NULL);
        return NULL;
    }

    LLPointer<LLImageFormatted> img = previewp->getFormattedImage();
    if (!img.get())
    {
        LL_WARNS() << "Empty snapshot image data" << LL_ENDL;
        llassert(img.get() != NULL);
    }

    return img;
}

const LLVector3d& LLFloaterSnapshotBase::getPosTakenGlobal()
{
    LLSnapshotLivePreview* previewp = getPreviewView();
    if (!previewp)
    {
        llassert(previewp != NULL);
        return LLVector3d::zero;
    }

    return previewp->getPosTakenGlobal();
}

// static
void LLFloaterSnapshot::setAgentEmail(const std::string& email)
{
    LLFloaterSnapshot* instance = findInstance();
    if (instance)
    {
        LLSideTrayPanelContainer* panel_container = instance->getChild<LLSideTrayPanelContainer>("panel_container");
        LLPanel* postcard_panel = panel_container->getPanelByName("panel_snapshot_postcard");
        postcard_panel->notify(LLSD().with("agent-email", email));
    }
}

///----------------------------------------------------------------------------
/// Class LLSnapshotFloaterView
///----------------------------------------------------------------------------

LLSnapshotFloaterView::LLSnapshotFloaterView (const Params& p) : LLFloaterView (p)
{
}

LLSnapshotFloaterView::~LLSnapshotFloaterView()
{
}

// virtual
bool LLSnapshotFloaterView::handleKey(KEY key, MASK mask, bool called_from_parent)
{
    // use default handler when not in freeze-frame mode
    if(!gSavedSettings.getBOOL("FreezeTime"))
    {
        return LLFloaterView::handleKey(key, mask, called_from_parent);
    }

    if (called_from_parent)
    {
        // pass all keystrokes down
        LLFloaterView::handleKey(key, mask, called_from_parent);
    }
    else
    {
        // bounce keystrokes back down
        LLFloaterView::handleKey(key, mask, true);
    }
    return true;
}

// virtual
bool LLSnapshotFloaterView::handleMouseDown(S32 x, S32 y, MASK mask)
{
    // use default handler when not in freeze-frame mode
    if(!gSavedSettings.getBOOL("FreezeTime"))
    {
        return LLFloaterView::handleMouseDown(x, y, mask);
    }
    // give floater a change to handle mouse, else camera tool
    if (childrenHandleMouseDown(x, y, mask) == NULL)
    {
        LLToolMgr::getInstance()->getCurrentTool()->handleMouseDown( x, y, mask );
    }
    return true;
}

// virtual
bool LLSnapshotFloaterView::handleMouseUp(S32 x, S32 y, MASK mask)
{
    // use default handler when not in freeze-frame mode
    if(!gSavedSettings.getBOOL("FreezeTime"))
    {
        return LLFloaterView::handleMouseUp(x, y, mask);
    }
    // give floater a change to handle mouse, else camera tool
    if (childrenHandleMouseUp(x, y, mask) == NULL)
    {
        LLToolMgr::getInstance()->getCurrentTool()->handleMouseUp( x, y, mask );
    }
    return true;
}

// virtual
bool LLSnapshotFloaterView::handleHover(S32 x, S32 y, MASK mask)
{
    // use default handler when not in freeze-frame mode
    if(!gSavedSettings.getBOOL("FreezeTime"))
    {
        return LLFloaterView::handleHover(x, y, mask);
    }
    // give floater a change to handle mouse, else camera tool
    if (childrenHandleHover(x, y, mask) == NULL)
    {
        LLToolMgr::getInstance()->getCurrentTool()->handleHover( x, y, mask );
    }
    return true;
}