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-/**
-* @file llbottomtray.h
-* @brief LLBottomTray class header file
-*
-* $LicenseInfo:firstyear=2009&license=viewerlgpl$
-* 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
-* $/LicenseInfo$
-*/
-
-#ifndef LL_LLBOTTOMPANEL_H
-#define LL_LLBOTTOMPANEL_H
-
-#include "llpanel.h"
-#include "llimview.h"
-#include "llbutton.h"
-
-class LLChicletPanel;
-class LLLayoutStack;
-class LLSpeakButton;
-class LLNearbyChatBar;
-class LLIMChiclet;
-class LLBottomTrayLite;
-class LLLayoutPanel;
-class LLMenuGL;
-class LLNearbyChatBarListener;
-
-// Build time optimization, generate once in .cpp file
-#ifndef LLBOTTOMTRAY_CPP
-extern template class LLBottomTray* LLSingleton<class LLBottomTray>::getInstance();
-#endif
-
-/**
- * Class for buttons that should have drag'n'drop ability in bottomtray.
- * These buttons pass mouse events handling to bottomtray.
- */
-class LLBottomtrayButton : public LLButton
-{
-public:
- struct Params : public LLInitParam::Block<Params, LLButton::Params>
- {
- Optional<bool> can_drag;
- Params()
- : can_drag("can_drag", true){}
- };
- /*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask);
- /*virtual*/ BOOL handleMouseUp(S32 x, S32 y, MASK mask);
- /*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask);
-
-protected:
- LLBottomtrayButton(const Params& p)
- : LLButton(p),
- mCanDrag(p.can_drag)
- {
-
- }
- friend class LLUICtrlFactory;
-
- bool mCanDrag;
-};
-
-class LLBottomTray
- : public LLSingleton<LLBottomTray>
- , public LLPanel
- , public LLIMSessionObserver
- , public LLVoiceClientStatusObserver
-{
- LOG_CLASS(LLBottomTray);
- friend class LLSingleton<LLBottomTray>;
- friend class LLBottomTrayLite;
-public:
- ~LLBottomTray();
-
- BOOL postBuild();
-
- LLChicletPanel* getChicletPanel() {return mChicletPanel;}
- LLNearbyChatBar* getNearbyChatBar();
-
- void onCommitGesture(LLUICtrl* ctrl);
-
- // LLIMSessionObserver observe triggers
- virtual void sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id);
- virtual void sessionRemoved(const LLUUID& session_id);
- void sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id);
-
- S32 getTotalUnreadIMCount();
-
- virtual void reshape(S32 width, S32 height, BOOL called_from_parent);
-
- virtual void setVisible(BOOL visible);
-
- /*virtual*/ S32 notifyParent(const LLSD& info);
-
- // Implements LLVoiceClientStatusObserver::onChange() to enable the speak
- // button when voice is available
- /*virtual*/ void onChange(EStatusType status, const std::string &channelURI, bool proximal);
-
- void showBottomTrayContextMenu(S32 x, S32 y, MASK mask);
-
- void showSpeakButton(bool visible);
-
- void toggleMovementControls();
- void toggleCameraControls();
-
- void onMouselookModeIn();
- void onMouselookModeOut();
-
- /**
- * Creates IM Chiclet based on session type (IM chat or Group chat)
- */
- LLIMChiclet* createIMChiclet(const LLUUID& session_id);
-
- // Below are methods that were introduced or overriden in bottomtray to handle drag'n'drop
-
- virtual void draw();
-
- /**
- * These three methods handle drag'n'drop, they may be called directly from child buttons.
- * handleHover and other virtual handle* couldn't be used here, because we should call LLPanel::handle*,
- * but x and y here are often outside of bottomtray.
- */
- void onDraggableButtonHover(S32 x, S32 y);
- void onDraggableButtonMouseDown(LLUICtrl* button, S32 x, S32 y);
- void onDraggableButtonMouseUp(LLUICtrl* button, S32 x, S32 y);
-
-
-private:
- typedef enum e_resize_state
- {
- RS_NORESIZE = 0x0000,
- RS_CHICLET_PANEL = 0x0001,
- RS_CHATBAR_INPUT = 0x0002,
- RS_BUTTON_SNAPSHOT = 0x0004,
- RS_BUTTON_CAMERA = 0x0008,
- RS_BUTTON_MOVEMENT = 0x0010,
- RS_BUTTON_GESTURES = 0x0020,
- RS_BUTTON_SPEAK = 0x0040,
- RS_IM_WELL = 0x0080,
- RS_NOTIFICATION_WELL = 0x0100,
- RS_BUTTON_BUILD = 0x0200,
- RS_BUTTON_SEARCH = 0x0400,
- RS_BUTTON_WORLD_MAP = 0x0800,
- RS_BUTTON_MINI_MAP = 0x1000,
- RS_BUTTON_DESTINATIONS = 0x2000,
- RS_BUTTON_AVATARS = 0x4000,
- RS_BUTTON_PEOPLE = 0x8000,
- RS_BUTTON_PROFILE = 0x10000,
- RS_BUTTON_HOWTO = 0x20000,
- RS_BUTTON_SPLITTER_1 = 0x40000,
- RS_BUTTON_SPLITTER_2 = 0x80000,
-
- /*
- Once new button that can be hidden on resize is added don't forget to update related places:
- - RS_BUTTONS_CAN_BE_HIDDEN enum value below.
- - initResizeStateContainers(): mStateProcessedObjectMap and mButtonsProcessOrder
- */
-
- /**
- * Specifies buttons which can be hidden when bottom tray is shrunk.
- * They are: Gestures, Movement (Move), Camera (View), Snapshot
- * new: Build, Search, Map, World Map, Mini-Map, destinations, avatars
- */
- RS_BUTTONS_CAN_BE_HIDDEN = RS_BUTTON_SNAPSHOT | RS_BUTTON_CAMERA | RS_BUTTON_MOVEMENT | RS_BUTTON_GESTURES
- | RS_BUTTON_BUILD | RS_BUTTON_SEARCH | RS_BUTTON_WORLD_MAP | RS_BUTTON_MINI_MAP
- | RS_BUTTON_DESTINATIONS | RS_BUTTON_AVATARS
- }EResizeState;
-
- // Below are three methods that were introduced to handle drag'n'drop
-
- /**
- * finds a panel under the specified LOCAL point
- */
- LLPanel* findChildPanelByLocalCoords(S32 x, S32 y);
-
- /**
- * checks whether the cursor is over an area where the dragged button may be dropped
- */
- bool isCursorOverDraggableArea(S32 x, S32 y);
-
- /**
- * Updates process(shrink/show/hide) order of buttons and order in which they'll be stored for further save/load.
- * It is called when dragged button is dropped
- */
- void updateButtonsOrdersAfterDnD();
-
- // saves order of buttons to file on disk
- void saveButtonsOrder();
- // reads order of buttons from file on disk
- void loadButtonsOrder();
-
- /**
- * Updates child controls size and visibility when it is necessary to reduce total width.
- *
- * Process order:
- * - reduce chiclet panel to its minimal width;
- * - reduce chatbar to its minimal width;
- * - reduce visible buttons from right to left to their minimal width;
- * - hide visible buttons from right to left;
- * When button is hidden chatbar extended to fill released space if it is necessary.
- *
- * @param[in] delta_width - value by which bottom tray should be shrunk. It is a negative value.
- * @return positive value which bottom tray can not process when it reaches its minimal width.
- * Zero if there was enough space to process delta_width.
- */
- S32 processWidthDecreased(S32 delta_width);
-
- /**
- * Updates child controls size and visibility when it is necessary to extend total width.
- *
- * Process order:
- * - show invisible buttons should be shown from left to right if possible;
- * - extend visible buttons from left to right to their default width;
- * - extend chatbar to its maximal width;
- * - extend chiclet panel to all available space;
- * When chatbar & chiclet panels are wider then their minimal width they can be reduced to allow
- * a button gets visible in case if passed delta_width is not enough (chatbar first).
- *
- * @param[in] delta_width - value by which bottom tray should be extended. It is a positive value.
- */
- void processWidthIncreased(S32 delta_width);
-
- /** helper function to log debug messages */
- void log(LLView* panel, const std::string& descr);
-
- /**
- * Tries to show hidden by resize buttons using available width.
- *
- * Gets buttons visible if there is enough space. Reduces available_width in this case.
- *
- * @params[in, out] available_width - reference to available width to be used to show buttons.
- * @see processShowButton()
- * @return consumed pixels (difference in available width).
- */
- S32 processShowButtons(S32& available_width);
-
- /**
- * Tries to show panel with specified button using available width.
- *
- * Shows button specified by type if there is enough space. Reduces available_width in this case.
- *
- * @params[in] shown_object_type - type of button to be shown.
- * @params[in, out] available_width - reference to available width to be used to show button.
- *
- * @return true if button can be shown, false otherwise
- */
- bool processShowButton(EResizeState shown_object_type, S32& available_width);
-
- /**
- * Hides visible panels with all buttons that may be hidden by resize if it is necessary.
- *
- * When button gets hidden some space is released in bottom tray.
- * This space is taken into account for several consecutive calls for several buttons.
- *
- * @params[in, out] required_width - reference to required width to be released. This is a negative value.
- * Its absolute value is decreased by shown panel width.
- * @params[in, out] buttons_freed_width - reference to value released over required one.
- * If panel's width is more than required difference is added to buttons_freed_width.
- * @see processHideButton()
- */
- void processHideButtons(S32& required_width, S32& buttons_freed_width);
-
- /**
- * Hides panel with specified button if it is visible.
- *
- * When button gets hidden some space is released in bottom tray.
- * This space is taken into account for several consecutive calls for several buttons.
- *
- * @params[in] processed_object_type - type of button to be hide.
- * @params[in, out] required_width - reference to required width to be released. This is a negative value.
- * Its absolute value is decreased by panel width.
- * @params[in, out] buttons_freed_width - reference to value released over required one.
- * If panel's width is more than required difference is added to buttons_freed_width.
- */
- void processHideButton(EResizeState processed_object_type, S32& required_width, S32& buttons_freed_width);
-
- /**
- * Shrinks shown buttons to reduce total taken space.
- *
- * Shrinks buttons that may be shrunk smoothly first. Then shrinks Speak button.
- *
- * @param[in, out] required_width - reference to width value which should be released when buttons are shrunk. It is a negative value.
- * It is increased on the value processed by buttons.
- * @params[in, out] buttons_freed_width - reference to value released over required one.
- * If width of panel with Speak button is more than required that difference is added
- * to buttons_freed_width.
- * This is because Speak button shrinks discretely unlike other buttons which are changed smoothly.
- */
- void processShrinkButtons(S32& required_width, S32& buttons_freed_width);
-
- /**
- * Shrinks panel with specified button if it is visible.
- *
- * @params[in] processed_object_type - type of button to be shrunk.
- * @param[in, out] required_width - reference to width value which should be released when button is shrunk. It is a negative value.
- * It is increased on the value released by the button.
- */
- void processShrinkButton(EResizeState processed_object_type, S32& required_width);
-
- /**
- * Extends shown buttons to increase total taken space.
- *
- * Extends buttons that may be extended smoothly first. Then extends Speak button.
- *
- * @param[in, out] available_width - reference to width value which buttons can use to be extended.
- * It is a positive value. It is decreased on the value processed by buttons.
- */
- void processExtendButtons(S32& available_width);
-
- /**
- * Extends the Speak button if there is enough headroom.
- *
- * Unlike other buttons, the Speak buttons has only two possible widths:
- * the minimal one (without label) and the maximal (default) one.
- *
- * If the button is at its minimum width there is not enough headroom to
- * reshape it to the maximum width, the method does nothing.
- *
- * @param available_width Available headroom.
- * @return false if the button requires extension but there's not enough headroom, true otherwise.
- */
- bool processExtendSpeakButton(S32& available_width);
-
- /**
- * Extends shown button to increase total taken space.
- *
- * @params[in] processed_object_type - type of button to be extended.
- * @param[in, out] available_width - reference to width value which button can use to be extended.
- * It is a positive value. It is decreased on the value processed by buttons.
- */
- void processExtendButton(EResizeState processed_object_type, S32& available_width);
-
- /**
- * Determines if specified by type object can be shown. It should be hidden by shrink before.
- *
- * Processes buttons a such way to show buttons in constant order:
- * - Gestures, Move, View, Snapshot
- */
- bool canButtonBeShown(EResizeState processed_object_type) const;
-
- /**
- * Initializes all containers stored data related to children resize state.
- *
- * @see mStateProcessedObjectMap
- * @see mObjectDefaultWidthMap
- * @see mButtonsProcessOrder
- */
- void initResizeStateContainers();
-
- /**
- * Initializes buttons' visibility depend on stored Control Settings.
- */
- void initButtonsVisibility();
-
- /**
- * Initializes listeners of Control Settings to toggle appropriate buttons' visibility.
- *
- * @see toggleShowButton()
- */
- void setButtonsControlsAndListeners();
-
- /**
- * Toggles visibility of specified button depend on passed value.
- *
- * @param button_type - type of button to be toggled
- * @param new_visibility - new visibility of the button
- *
- * @see setButtonsControlsAndListeners()
- */
- static bool toggleShowButton(EResizeState button_type, const LLSD& new_visibility);
-
- /**
- * Show the button if there is enough space.
- *
- * @param[in] button_type - type of button to be shown.
- * @param[in, out] available_width amount of available space on the bottom bar.
- *
- * @return true if button was shown, false that's not possible (not enough space, etc)
- */
- bool showButton(EResizeState button_type, S32& available_width);
-
- /**
- * Sets passed visibility to object specified by resize type.
- */
- void setTrayButtonVisible(EResizeState shown_object_type, bool visible);
-
- /**
- * Sets passed visibility to object specified by resize type if it is possible.
- *
- * If it is impossible to show required button due to there is no enough room in bottom tray
- * it will no be shown. Is called via context menu commands.
- * In this case Alert Dialog will be shown to notify user about that.
- *
- * Method also stores resize state to be processed while future bottom tray extending:
- * - if hidden while resizing button should be hidden it will not be shown while extending;
- * - if hidden via context menu button should be shown but there is no enough room for now
- * it will be shown while extending.
- */
- void setTrayButtonVisibleIfPossible(EResizeState shown_object_type, bool visible, bool raise_notification = true);
-
- /**
- * Sets passed visibility to required button and fit widths of shown
- * buttons(notice that method can shrink widths to
- * allocate needed room in bottom tray).
- * Returns true if visibility of required button was set.
- */
- bool setVisibleAndFitWidths(EResizeState object_type, bool visible);
-
- /**
- * Get panel containing the given button.
- *
- * @see mStateProcessedObjectMap
- */
- LLPanel* getButtonPanel(EResizeState button_type);
-
- /**
- * Shows/hides panel with specified well button (IM or Notification)
- *
- * @param[in] object_type - type of well button to be processed.
- * Must be one of RS_IM_WELL or RS_NOTIFICATION_WELL.
- * @param[in] visible - flag specified whether button should be shown or hidden.
- */
- void showWellButton(EResizeState object_type, bool visible);
-
- /**
- * Handles a customization of chatbar width.
- *
- * When chatbar gets wider layout stack will reduce chiclet panel (it is auto-resizable)
- * But once chiclet panel reaches its minimal width Stack will force to reduce buttons width.
- * including Speak button. The similar behavior is when chatbar gets narrowly.
- * This methods force resize behavior to resize buttons properly in these cases.
- */
- void processChatbarCustomization(S32 new_width);
-
- /**
- * @return difference between current chiclet panel width and the minimum.
- */
- S32 getChicletPanelShrinkHeadroom() const;
-
- /// Get button name for debugging.
- static std::string resizeStateToString(EResizeState state);
-
- /// Dump a mask for debugging
- static std::string resizeStateMaskToString(MASK mask);
-
- /// @return true if any of the the passed buttons have been auto-hidden due to lack of available space.
- bool isAutoHidden(MASK button_types) const;
-
- /**
- * (Un)Mark the buttons as hidden.
- *
- * Auto-hidden buttons are those that re-appear as soon as we have enough available space.
- */
- void setAutoHidden(MASK button_types, bool hide);
-
- /// Buttons automatically hidden due to lack of space.
- MASK mResizeState;
-
- /**
- * Mapping of button types to the layout panels the buttons are wrapped in.
- *
- * Used by getButtonPanel().
- */
- typedef std::map<EResizeState, LLPanel*> state_object_map_t;
- state_object_map_t mStateProcessedObjectMap;
-
- /// Default (maximum) widths of the layout panels.
- typedef std::map<EResizeState, S32> state_object_width_map_t;
- state_object_width_map_t mObjectDefaultWidthMap;
-
- typedef std::vector<EResizeState> resize_state_vec_t;
-
- /**
- * Contains order in which child buttons should be processed in show/hide, extend/shrink methods.
- */
- resize_state_vec_t mButtonsProcessOrder;
-
- /**
- * Contains order in which child buttons are shown.
- * It traces order of all bottomtray buttons that may change place via drag'n'drop and should
- * save and load it between sessions. mButtonsProcessOrder is not enough for it because it contains only
- * buttons that may be hidden.
- */
- resize_state_vec_t mButtonsOrder;
-
-protected:
-
- LLBottomTray(const LLSD& key = LLSD());
-
- static void* createNearbyChatBar(void* userdata);
-
- void updateContextMenu(S32 x, S32 y, MASK mask);
- void onContextMenuItemClicked(const LLSD& userdata);
- bool onContextMenuItemEnabled(const LLSD& userdata);
-
- // Either default or saved after user's manual resize width of nearby chat.
- // Nearby chat will not always have it, because sometimes it can be shrunk on resize,
- // but when possible it will be restored back to this value.
- S32 mDesiredNearbyChatWidth;
- LLChicletPanel* mChicletPanel;
- LLPanel* mSpeakPanel;
- LLSpeakButton* mSpeakBtn;
- LLNearbyChatBar* mNearbyChatBar;
- LLLayoutPanel* mChatBarContainer;
- LLPanel* mNearbyCharResizeHandlePanel;
- LLLayoutStack* mToolbarStack;
- LLMenuGL* mBottomTrayContextMenu;
- LLButton* mCamButton;
- LLButton* mMovementButton;
- LLBottomTrayLite* mBottomTrayLite;
- bool mIsInLiteMode;
-
- // Drag'n'Drop
-
- /**
- * Is true if mouse down happened on draggable button.
- * Set false whether on drag start or on mouse up.
- */
- bool mCheckForDrag;
- /**
- * These two variables hold corrdinates of mouse down on draggable button.
- * They are used to compare with current coordinates of cursor and determine whether drag'n'drop should start.
- */
- S32 mStartX;
- S32 mStartY;
- /**
- * True if drag'n'drop is happening.
- */
- bool mDragStarted;
-
- /**
- * Pointer to panel which is currently dragged (though it seems to user that button is dragged,
- * we are changing place of layout panel).
- */
- LLPanel* mDraggedItem;
- /**
- * Panel before which the dragged button will be inserted.
- */
- LLPanel* mLandingTab;
- /**
- * Image used to show position where dragged button will be dropped.
- */
- LLUIImage* mImageDragIndication;
-
- // We want only one LLNearbyChatBarListener object, so it's tied to this singleton
- boost::shared_ptr<LLNearbyChatBarListener> mListener;
-};
-
-#endif // LL_LLBOTTOMPANEL_H