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/*!
\file GUIListContainer.h
\brief
*/
#pragma once
/*
* Copyright (C) 2005-2012 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "GUIControl.h"
#include "GUIListItemLayout.h"
#include "boost/shared_ptr.hpp"
#include "utils/Stopwatch.h"
typedef boost::shared_ptr<CGUIListItem> CGUIListItemPtr;
/*!
\ingroup controls
\brief
*/
class IGUIContainer : public CGUIControl
{
protected:
VIEW_TYPE m_type;
CStdString m_label;
public:
IGUIContainer(int parentID, int controlID, float posX, float posY, float width, float height);
virtual bool IsContainer() const { return true; };
VIEW_TYPE GetType() const { return m_type; };
const CStdString &GetLabel() const { return m_label; };
void SetType(VIEW_TYPE type, const CStdString &label);
virtual CGUIListItemPtr GetListItem(int offset, unsigned int flag = 0) const = 0;
virtual CStdString GetLabel(int info) const = 0;
};
class CGUIBaseContainer : public IGUIContainer
{
public:
CGUIBaseContainer(int parentID, int controlID, float posX, float posY, float width, float height, ORIENTATION orientation, const CScroller& scroller, int preloadItems);
virtual ~CGUIBaseContainer(void);
virtual bool OnAction(const CAction &action);
virtual void OnDown();
virtual void OnUp();
virtual void OnLeft();
virtual void OnRight();
virtual bool OnMouseOver(const CPoint &point);
virtual bool CanFocus() const;
virtual bool OnMessage(CGUIMessage& message);
virtual void SetFocus(bool bOnOff);
virtual void AllocResources();
virtual void FreeResources(bool immediately = false);
virtual void UpdateVisibility(const CGUIListItem *item = NULL);
virtual unsigned int GetRows() const;
virtual bool HasNextPage() const;
virtual bool HasPreviousPage() const;
void SetPageControl(int id);
virtual CStdString GetDescription() const;
virtual void SaveStates(std::vector<CControlState> &states);
virtual int GetSelectedItem() const;
virtual void DoProcess(unsigned int currentTime, CDirtyRegionList &dirtyregions);
virtual void Process(unsigned int currentTime, CDirtyRegionList &dirtyregions);
void LoadLayout(TiXmlElement *layout);
void LoadContent(TiXmlElement *content);
void SetDefaultControl(int id, bool always) { m_staticDefaultItem = id; m_staticDefaultAlways = always; };
virtual CGUIListItemPtr GetListItem(int offset, unsigned int flag = 0) const;
virtual bool GetCondition(int condition, int data) const;
virtual CStdString GetLabel(int info) const;
void SetStaticContent(const std::vector<CGUIListItemPtr> &items, bool forceUpdate = true);
/*! \brief Set the offset of the first item in the container from the container's position
Useful for lists/panels where the focused item may be larger than the non-focused items and thus
normally cut off from the clipping window defined by the container's position + size.
\param offset CPoint holding the offset in skin coordinates.
*/
void SetRenderOffset(const CPoint &offset);
#ifdef _DEBUG
virtual void DumpTextureUse();
#endif
protected:
virtual EVENT_RESULT OnMouseEvent(const CPoint &point, const CMouseEvent &event);
bool OnClick(int actionID);
virtual void ProcessItem(float posX, float posY, CGUIListItemPtr& item, bool focused, unsigned int currentTime, CDirtyRegionList &dirtyregions);
virtual void Render();
virtual void RenderItem(float posX, float posY, CGUIListItem *item, bool focused);
virtual void Scroll(int amount);
virtual bool MoveDown(bool wrapAround);
virtual bool MoveUp(bool wrapAround);
virtual bool GetOffsetRange(int &minOffset, int &maxOffset) const;
virtual void ValidateOffset();
virtual int CorrectOffset(int offset, int cursor) const;
virtual void UpdateLayout(bool refreshAllItems = false);
virtual void SetPageControlRange();
virtual void UpdatePageControl(int offset);
virtual void CalculateLayout();
virtual void SelectItem(int item) {};
void SelectStaticItemById(int id);
virtual bool SelectItemFromPoint(const CPoint &point) { return false; };
virtual int GetCursorFromPoint(const CPoint &point, CPoint *itemPoint = NULL) const { return -1; };
virtual void Reset();
virtual unsigned int GetNumItems() const { return m_items.size(); };
virtual int GetCurrentPage() const;
bool InsideLayout(const CGUIListItemLayout *layout, const CPoint &point) const;
virtual void OnFocus();
void UpdateStaticItems(bool refreshItems = false);
int ScrollCorrectionRange() const;
inline float Size() const;
void MoveToRow(int row);
void FreeMemory(int keepStart, int keepEnd);
void GetCurrentLayouts();
CGUIListItemLayout *GetFocusedLayout() const;
CPoint m_renderOffset; ///< \brief render offset of the first item in the list \sa SetRenderOffset
float m_analogScrollCount;
unsigned int m_lastHoldTime;
ORIENTATION m_orientation;
int m_itemsPerPage;
std::vector< CGUIListItemPtr > m_items;
typedef std::vector<CGUIListItemPtr> ::iterator iItems;
CGUIListItemPtr m_lastItem;
int m_pageControl;
std::vector<CGUIListItemLayout> m_layouts;
std::vector<CGUIListItemLayout> m_focusedLayouts;
CGUIListItemLayout *m_layout;
CGUIListItemLayout *m_focusedLayout;
void ScrollToOffset(int offset);
void SetContainerMoving(int direction);
void UpdateScrollOffset(unsigned int currentTime);
CScroller m_scroller;
bool m_staticContent;
bool m_staticDefaultAlways;
int m_staticDefaultItem;
unsigned int m_staticUpdateTime;
std::vector<CGUIListItemPtr> m_staticItems;
bool m_wasReset; // true if we've received a Reset message until we've rendered once. Allows
// us to make sure we don't tell the infomanager that we've been moving when
// the "movement" was simply due to the list being repopulated (thus cursor position
// changing around)
void UpdateScrollByLetter();
void GetCacheOffsets(int &cacheBefore, int &cacheAfter);
int GetCacheCount() const { return m_cacheItems; };
bool ScrollingDown() const { return m_scroller.IsScrollingDown(); };
bool ScrollingUp() const { return m_scroller.IsScrollingUp(); };
void OnNextLetter();
void OnPrevLetter();
void OnJumpLetter(char letter, bool skip = false);
void OnJumpSMS(int letter);
std::vector< std::pair<int, CStdString> > m_letterOffsets;
/*! \brief Set the cursor position
Should be used by all base classes rather than directly setting it, as
this also marks the control as dirty (if needed)
*/
virtual void SetCursor(int cursor);
inline int GetCursor() const { return m_cursor; };
/*! \brief Set the container offset
Should be used by all base classes rather than directly setting it, as
this also marks the control as dirty (if needed)
*/
void SetOffset(int offset);
inline int GetOffset() const { return m_offset; };
private:
int m_cursor;
int m_offset;
int m_cacheItems;
CStopWatch m_scrollTimer;
CStopWatch m_lastScrollStartTimer;
CStopWatch m_pageChangeTimer;
// letter match searching
CStopWatch m_matchTimer;
CStdString m_match;
float m_scrollItemsPerFrame;
static const int letter_match_timeout = 1000;
};
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