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+/**
+ * @file llfloaterimsessiontab.h
+ * @brief LLFloaterIMSessionTab class implements the common behavior of LNearbyChatBar
+ * @brief and LLFloaterIMSession for hosting both in LLIMContainer
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_FLOATERIMSESSIONTAB_H
+#define LL_FLOATERIMSESSIONTAB_H
+
+#include "lllayoutstack.h"
+#include "llparticipantlist.h"
+#include "lltransientdockablefloater.h"
+#include "llviewercontrol.h"
+#include "lleventtimer.h"
+#include "llimview.h"
+#include "llconversationmodel.h"
+#include "llconversationview.h"
+#include "lltexteditor.h"
+
+class LLPanelChatControlPanel;
+class LLChatEntry;
+class LLChatHistory;
+
+class LLFloaterIMSessionTab
+ : public LLTransientDockableFloater
+{
+
+public:
+ LOG_CLASS(LLFloaterIMSessionTab);
+
+ LLFloaterIMSessionTab(const LLSD& session_id);
+ ~LLFloaterIMSessionTab();
+
+ // reload all message with new settings of visual modes
+ static void processChatHistoryStyleUpdate(bool clean_messages = false);
+ static void reloadEmptyFloaters();
+
+ /**
+ * Returns true if chat is displayed in multi tabbed floater
+ * false if chat is displayed in multiple windows
+ */
+ static bool isChatMultiTab();
+
+ // add conversation to container
+ static void addToHost(const LLUUID& session_id);
+
+ bool isHostAttached() {return mIsHostAttached;}
+ void setHostAttached(bool is_attached) {mIsHostAttached = is_attached;}
+
+ static LLFloaterIMSessionTab* findConversation(const LLUUID& uuid);
+ static LLFloaterIMSessionTab* getConversation(const LLUUID& uuid);
+
+ // show/hide the translation check box
+ void showTranslationCheckbox(const BOOL visible = FALSE);
+
+ bool isNearbyChat() {return mIsNearbyChat;}
+
+ // LLFloater overrides
+ /*virtual*/ void onOpen(const LLSD& key);
+ /*virtual*/ BOOL postBuild();
+ /*virtual*/ void draw();
+ /*virtual*/ void setVisible(BOOL visible);
+ /*virtual*/ void setFocus(BOOL focus);
+
+ // Handle the left hand participant list widgets
+ void addConversationViewParticipant(LLConversationItem* item);
+ void removeConversationViewParticipant(const LLUUID& participant_id);
+ void updateConversationViewParticipant(const LLUUID& participant_id);
+ void refreshConversation();
+ void buildConversationViewParticipant();
+
+ void setSortOrder(const LLConversationSort& order);
+ virtual void onTearOffClicked();
+ void updateGearBtn();
+ void initBtns();
+ virtual void updateMessages() {}
+ LLConversationItem* getCurSelectedViewModelItem();
+ void forceReshape();
+ virtual BOOL handleKeyHere( KEY key, MASK mask );
+ bool isMessagePaneExpanded(){return mMessagePaneExpanded;}
+ void setMessagePaneExpanded(bool expanded){mMessagePaneExpanded = expanded;}
+ void restoreFloater();
+
+protected:
+
+ // callback for click on any items of the visual states menu
+ void onIMSessionMenuItemClicked(const LLSD& userdata);
+
+ // callback for check/uncheck of the expanded/collapse mode's switcher
+ bool onIMCompactExpandedMenuItemCheck(const LLSD& userdata);
+
+ //
+ bool onIMShowModesMenuItemCheck(const LLSD& userdata);
+ bool onIMShowModesMenuItemEnable(const LLSD& userdata);
+ static void onSlide(LLFloaterIMSessionTab *self);
+ static void onCollapseToLine(LLFloaterIMSessionTab *self);
+ void reshapeFloater(bool collapse);
+
+ // refresh a visual state of the Call button
+ void updateCallBtnState(bool callIsActive);
+
+ void hideOrShowTitle(); // toggle the floater's drag handle
+ void hideAllStandardButtons();
+
+ /// Update floater header and toolbar buttons when hosted/torn off state is toggled.
+ void updateHeaderAndToolbar();
+
+ // Update the input field help text and other places that need the session name
+ virtual void updateSessionName(const std::string& name);
+
+ // set the enable/disable state for the Call button
+ virtual void enableDisableCallBtn();
+
+ // process focus events to set a currently active session
+ /* virtual */ void onFocusLost();
+ /* virtual */ void onFocusReceived();
+
+ // prepare chat's params and out one message to chatHistory
+ void appendMessage(const LLChat& chat, const LLSD &args = 0);
+
+ std::string appendTime();
+ void assignResizeLimits();
+
+ S32 mFloaterExtraWidth;
+
+ bool mIsNearbyChat;
+ bool mIsP2PChat;
+
+ bool mMessagePaneExpanded;
+ bool mIsParticipantListExpanded;
+
+
+ LLIMModel::LLIMSession* mSession;
+
+ // Participants list: model and view
+ LLConversationViewParticipant* createConversationViewParticipant(LLConversationItem* item);
+
+ LLUUID mSessionID;
+ LLLayoutStack* mBodyStack;
+ LLLayoutStack* mParticipantListAndHistoryStack;
+ LLLayoutPanel* mParticipantListPanel; // add the widgets to that see mConversationsListPanel
+ LLLayoutPanel* mRightPartPanel;
+ LLLayoutPanel* mContentPanel;
+ LLLayoutPanel* mToolbarPanel;
+ LLLayoutPanel* mInputButtonPanel;
+ LLParticipantList* getParticipantList();
+ conversations_widgets_map mConversationsWidgets;
+ LLConversationViewModel mConversationViewModel;
+ LLFolderView* mConversationsRoot;
+ LLScrollContainer* mScroller;
+
+ LLOutputMonitorCtrl* mSpeakingIndicator;
+ LLChatHistory* mChatHistory;
+ LLChatEntry* mInputEditor;
+ LLLayoutPanel * mChatLayoutPanel;
+ int mInputEditorPad; // padding between input field and chat history
+
+ LLButton* mExpandCollapseLineBtn;
+ LLButton* mExpandCollapseBtn;
+ LLButton* mTearOffBtn;
+ LLButton* mCloseBtn;
+ LLButton* mGearBtn;
+
+ S32 mFloaterHeight;
+
+
+private:
+ // Handling selection and contextual menu
+ void doToSelected(const LLSD& userdata);
+ bool enableContextMenuItem(const LLSD& userdata);
+ bool checkContextMenuItem(const LLSD& userdata);
+
+ void getSelectedUUIDs(uuid_vec_t& selected_uuids);
+
+ /// Refreshes the floater at a constant rate.
+ virtual void refresh() = 0;
+
+ /**
+ * Adjusts chat history height to fit vertically with input chat field
+ * and avoid overlapping, since input chat field can be vertically expanded.
+ * Implementation: chat history bottom "follows" top+top_pad of input chat field
+ */
+ void reshapeChatLayoutPanel();
+
+ bool checkIfTornOff();
+ bool mIsHostAttached;
+ bool mHasVisibleBeenInitialized;
+
+ LLTimer* mRefreshTimer; ///< Defines the rate at which refresh() is called.
+};
+
+
+#endif /* LL_FLOATERIMSESSIONTAB_H */