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KMimeTypeResolver< IconItem, Parent > Class Template Reference

This class implements the "delayed-mimetype-determination" feature, for konqueror's directory views (and KFileDialog's :). More...

#include <kmimetyperesolver.h>

Inherits KMimeTypeResolverBase.

List of all members.

Public Member Functions

 KMimeTypeResolver (Parent *parent)
void start (uint delayNonVisibleIcons=10)
virtual void slotViewportAdjusted ()
virtual void slotProcessMimeIcons ()

Public Attributes

TQPtrList< IconItem > m_lstPendingMimeIconItems

Detailed Description

template<class IconItem, class Parent>
class KMimeTypeResolver< IconItem, Parent >

This class implements the "delayed-mimetype-determination" feature, for konqueror's directory views (and KFileDialog's :).

It determines the mimetypes of the icons in the background, but giving preferrence to the visible icons.

It is implemented as a template, so that it can work with both QPtrListViewItem and TQIconViewItem, without requiring hacks such as void * or TQPtrDict lookups.

Here's what the parent must implement :

  • void mimeTypeDeterminationFinished();
  • TQScrollView * scrollWidget();
  • void determineIcon( IconItem * item ), which should call
  • KFileItem::determineMimeType on the fileItem, and update the icon, etc.

Definition at line 118 of file kmimetyperesolver.h.


Constructor & Destructor Documentation

template<class IconItem , class Parent >
KMimeTypeResolver< IconItem, Parent >::KMimeTypeResolver ( Parent *  parent  )  [inline]

Creates a new KMimeTypeResolver with the given parent.

Parameters:
parent the parent's resolver

Definition at line 125 of file kmimetyperesolver.h.


Member Function Documentation

template<class IconItem , class Parent >
void KMimeTypeResolver< IconItem, Parent >::slotProcessMimeIcons (  )  [inline, virtual]

"Connected" to the timer

Definition at line 180 of file kmimetyperesolver.h.

template<class IconItem , class Parent >
void KMimeTypeResolver< IconItem, Parent >::slotViewportAdjusted (  )  [inline, virtual]

"Connected" to the viewportAdjusted signal of the scrollview

Definition at line 217 of file kmimetyperesolver.h.

template<class IconItem , class Parent >
void KMimeTypeResolver< IconItem, Parent >::start ( uint  delayNonVisibleIcons = 10  )  [inline]

Start the mimetype-determination.

Call this when the listing is completed.

Parameters:
delayNonVisibleIcons the delay to use between icons not on screen. Usually 10, but should be set to 0 when the image preview feature is activated, because image preview can only start once we know the mimetypes

Definition at line 141 of file kmimetyperesolver.h.


Member Data Documentation

template<class IconItem , class Parent >
TQPtrList<IconItem> KMimeTypeResolver< IconItem, Parent >::m_lstPendingMimeIconItems

The list of items to process.

The view is free to clear it, insert new items into it, remove items, etc.

Returns:
the list of items to process

Definition at line 152 of file kmimetyperesolver.h.


The documentation for this class was generated from the following file:
  • kmimetyperesolver.h

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