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+/**
+ * @file llfavoritesbar.cpp
+ * @brief LLFavoritesBarCtrl class implementation
+ *
+ * $LicenseInfo:firstyear=2009&license=viewergpl$
+ *
+ * Copyright (c) 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 "llfavoritesbar.h"
+#include "lluictrlfactory.h"
+
+#include "llagent.h"
+#include "llviewerinventory.h"
+#include "llinventory.h"
+#include "llinventorymodel.h"
+#include "llbutton.h"
+#include "llinventorybridge.h"
+
+static LLRegisterWidget<LLFavoritesBarCtrl> r("favorites_bar");
+
+// updateButtons's helper
+struct LLFavoritesSort
+{
+ // Sorting by creation date and name
+ // TODO - made it customizible using gSavedSettings
+ bool operator()(const LLViewerInventoryItem* const& a, const LLViewerInventoryItem* const& b)
+ {
+ time_t first_create = a->getCreationDate();
+ time_t second_create = b->getCreationDate();
+ if (first_create == second_create)
+ {
+ return (LLStringUtil::compareDict(a->getName(), b->getName()) < 0);
+ }
+ else
+ {
+ return (first_create > second_create);
+ }
+ }
+};
+
+LLFavoritesBarCtrl::LLFavoritesBarCtrl(const LLFavoritesBarCtrl::Params& p)
+: LLUICtrl(p),
+ mFont(p.font.isProvided() ? p.font() : LLFontGL::getFontSansSerifSmall())
+{
+ gInventory.addObserver(this);
+}
+
+LLFavoritesBarCtrl::~LLFavoritesBarCtrl()
+{
+ gInventory.removeObserver(this);
+}
+
+BOOL LLFavoritesBarCtrl::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+ EDragAndDropType cargo_type,
+ void* cargo_data,
+ EAcceptance* accept,
+ std::string& tooltip_msg)
+{
+ *accept = ACCEPT_NO;
+
+ switch (cargo_type)
+ {
+
+ // IAN BUG: did the spec ask for calling cards here?
+ case DAD_LANDMARK:
+ case DAD_CALLINGCARD:
+ {
+ // Copy the item into the favorites folder (if it's not already there).
+ LLInventoryItem *item = (LLInventoryItem *)cargo_data;
+ LLUUID favorites_id = gInventory.findCategoryUUIDForType(LLAssetType::AT_FAVORITE);
+ if (item->getParentUUID() == favorites_id)
+ {
+ llwarns << "Attemt to copy a favorite item into the same folder." << llendl;
+ break;
+ }
+
+ *accept = ACCEPT_YES_COPY_SINGLE;
+
+ if (drop)
+ {
+ copy_inventory_item(
+ gAgent.getID(),
+ item->getPermissions().getOwner(),
+ item->getUUID(),
+ favorites_id,
+ std::string(),
+ LLPointer<LLInventoryCallback>(NULL));
+
+ llinfos << "Copied inventory item #" << item->getUUID() << " to favorites." << llendl;
+ }
+
+ }
+ break;
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
+//virtual
+void LLFavoritesBarCtrl::changed(U32 mask)
+{
+ LLInventoryModel::item_array_t items;
+
+ if (!collectFavoriteItems(items))
+ {
+ return;
+ }
+
+ S32 count = items.count();
+ if (getChildCount() == count)
+ {
+ // Check whether buttons are reflecting state of favorite inventory folder
+ const LLView::child_list_t *buttons_list = getChildList();
+ S32 i = 0;
+ for(LLView::child_list_const_iter_t iter = buttons_list->begin(); iter != buttons_list->end(); iter++)
+ {
+ LLButton *button = (LLButton *)*iter;
+ LLInventoryItem* item = items.get(i);
+ // tooltip contains full name of item, label can be cutted
+ if (button->getToolTip() != item->getName())
+ {
+ break;
+ }
+
+
+ i++;
+ }
+
+ // Check passed, nothing is changed
+ if (i < items.count())
+ {
+ return;
+ }
+ }
+
+ //FIXME: optimize this
+ deleteAllChildren();
+
+ LLButton::Params bparams;
+
+ const S32 buttonWidth = LLUI::sSettingGroups["config"]->getS32("ButtonHPad") * 2;
+ LLRect rect;
+
+ for(S32 i = 0; i < count; ++i)
+ {
+ rect.setOriginAndSize(0, 0, buttonWidth, llround(mFont->getLineHeight()));
+
+ bparams.follows.flags (FOLLOWS_LEFT | FOLLOWS_BOTTOM);
+ bparams.rect (rect);
+ bparams.tab_stop(false);
+ bparams.font(mFont);
+ bparams.click_callback.function(boost::bind(&LLFavoritesBarCtrl::onButtonClick, this, 0));
+
+ LLButton *button = LLUICtrlFactory::create<LLButton> (bparams);
+
+ addChildInBack(button);
+ }
+
+ updateButtons(getRect().getWidth(), items);
+}
+
+//virtual
+void LLFavoritesBarCtrl::reshape(S32 width, S32 height, BOOL called_from_parent)
+{
+ LLInventoryModel::item_array_t items;
+ if (collectFavoriteItems(items))
+ {
+ updateButtons(width, items);
+ }
+
+ LLUICtrl::reshape(width, height, called_from_parent);
+}
+
+void LLFavoritesBarCtrl::updateButtons(U32 barWidth, LLInventoryModel::item_array_t items)
+{
+ std::sort(items.begin(), items.end(), LLFavoritesSort());
+
+ const S32 buttonHPad = LLUI::sSettingGroups["config"]->getS32("ButtonHPad");
+ const S32 buttonHGap = 2;
+
+ S32 curr_x = buttonHGap;
+
+ S32 count = items.count();
+ S32 labelsWidth = 0;
+
+ for (S32 i = 0; i < count; ++i)
+ {
+ labelsWidth += mFont->getWidth(items.get(i)->getName());
+ }
+
+ const S32 ellipsisWIdth = mFont->getWidth("...");
+
+ F32 shrinkFactor = 1.0f;
+
+ S32 labelsSpace = barWidth - buttonHGap * (count + 1) - buttonHPad * 2 * count; // There is leading buttonHGap in front of first button,
+ // one buttonHGap at the end of each button and 2 buttonHPad's
+ if (labelsWidth >= labelsSpace)
+ {
+ shrinkFactor = (float)labelsSpace / labelsWidth;
+ }
+
+ const LLView::child_list_t *buttons_list = getChildList();
+
+ S32 i = 0;
+ for(LLView::child_list_const_iter_t iter = buttons_list->begin(); iter != buttons_list->end(); iter++)
+ {
+ LLButton *button = (LLButton *)*iter;
+
+ LLInventoryItem* item = items.get(i);
+
+ LLRect rect;
+
+ S32 labelWidth = mFont->getWidth(item->getName());
+
+ if (shrinkFactor < 1.0f)
+ {
+ labelWidth = (S32) ((float)labelWidth * shrinkFactor);
+
+ if (labelWidth > ellipsisWIdth)
+ {
+ labelWidth -= ellipsisWIdth;
+
+ S32 charsTotal = item->getName().length();
+ S32 charsFitted = 1;
+ while (charsFitted < charsTotal && mFont->getWidth(item->getName(), 0, charsFitted) < labelWidth)
+ {
+ charsFitted++;
+ }
+
+ charsFitted--;
+ labelWidth += ellipsisWIdth;
+
+ button->setLabel(item->getName().substr(0, charsFitted) + "...");
+ }
+ else
+ {
+ button->setLabel((LLStringExplicit)"");
+ labelWidth = 0;
+ }
+ }
+ else
+ {
+ button->setLabel(item->getName());
+ }
+
+ S32 buttonWidth = labelWidth + buttonHPad * 2;
+ rect.setOriginAndSize(curr_x, 2, buttonWidth, llround(mFont->getLineHeight()));
+ button->setRect(rect);
+
+ button->setToolTip(item->getName());
+
+ curr_x += buttonWidth + buttonHGap;
+
+ i++;
+ }
+}
+
+BOOL LLFavoritesBarCtrl::collectFavoriteItems(LLInventoryModel::item_array_t &items)
+{
+ LLUUID favorite_folder_id = gInventory.findCategoryUUIDForType(LLAssetType::AT_FAVORITE);
+
+ if (!favorite_folder_id.notNull())
+ return FALSE;
+
+ LLInventoryModel::cat_array_t cats;
+
+ gInventory.collectDescendents(favorite_folder_id, cats, items, LLInventoryModel::EXCLUDE_TRASH);
+
+ return TRUE;
+}
+
+void LLFavoritesBarCtrl::onButtonClick(int idx)
+{
+ LLInventoryModel::item_array_t items;
+
+ if (!collectFavoriteItems(items))
+ {
+ return;
+ }
+
+ S32 count = items.count();
+
+ if (idx < 0 || idx >= count)
+ {
+ llwarns << "Invalid favorites bar index" << llendl;
+ return;
+ }
+
+ LLInventoryItem* item = items.get(idx);
+ if(item)
+ {
+ LLUUID item_id = item->getUUID();
+ LLAssetType::EType item_type = item->getType();
+
+ //TODO - donno but may be we must use InventoryModel from InventoryView
+ //think for now there is only one model...but still
+ LLInvFVBridgeAction::doAction(item_type,item_id,&gInventory);
+ }
+}
+