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enhanced file sytem icon cache

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svn path=/trunk/; revision=7452
This commit is contained in:
Martin Fuchs 2004-01-04 20:48:32 +00:00
parent fc05db5095
commit 42a645bad5
4 changed files with 127 additions and 104 deletions
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85
reactos/subsys/system/explorer/explorer.cpp
View file

@ -172,6 +172,55 @@ void IconCache::init()
}
const Icon& IconCache::extract(String path)
{
#ifndef __WINE__ ///@todo
_tcslwr((LPTSTR)path.c_str());
#endif
PathMap::iterator found = _pathMap.find(path);
if (found != _pathMap.end())
return _icons[found->second];
SHFILEINFO sfi;
if (SHGetFileInfo(path, 0, &sfi, sizeof(sfi), SHGFI_ICON|SHGFI_SMALLICON)) { //@@ besser SHGFI_SYSICONINDEX ?
const Icon& icon = add(sfi.hIcon, IT_CACHED);
///@todo limit cache size
_pathMap[path] = icon._id;
return icon;
} else
return _icons[ICID_NONE];
}
const Icon& IconCache::extract(LPCTSTR path, int idx)
{
CachePair key(path, idx);
#ifndef __WINE__ ///@todo
_tcslwr((LPTSTR)key.first.c_str());
#endif
PathIdxMap::iterator found = _pathIdxMap.find(key);
if (found != _pathIdxMap.end())
return _icons[found->second];
HICON hIcon;
if ((int)ExtractIconEx(path, idx, NULL, &hIcon, 1) > 0) {
const Icon& icon = add(hIcon, IT_CACHED);
_pathIdxMap[key] = icon._id;
return icon;
} else
return _icons[ICID_NONE];
}
const Icon& IconCache::extract(IExtractIcon* pExtract, LPCTSTR path, int idx)
{
HICON hIconLarge = 0;
@ -190,43 +239,11 @@ const Icon& IconCache::extract(IExtractIcon* pExtract, LPCTSTR path, int idx)
return _icons[ICID_NONE];
}
const Icon& IconCache::extract_from_file(LPCTSTR path, int idx)
{
CachePair key(path, idx);
#ifndef __WINE__ ///@todo
_tcslwr((LPTSTR)key.first.c_str());
#endif
CacheMap::iterator found = _cache_map.find(key);
if (found != _cache_map.end())
return _icons[found->second];
HICON hIcon;
if ((int)ExtractIconEx(path, idx, NULL, &hIcon, 1) > 0) {
const Icon& icon = add_cached(hIcon, path, idx);
_cache_map[key] = icon._id;
return icon;
} else
return _icons[ICID_NONE];
}
const Icon& IconCache::add(HICON hIcon)
const Icon& IconCache::add(HICON hIcon, ICON_TYPE type)
{
int id = ++s_next_id;
return _icons[id] = Icon(IT_DYNAMIC, id, hIcon);
}
const Icon& IconCache::add_cached(HICON hIcon, LPCTSTR path, int idx)
{
int id = ++s_next_id;
return _icons[id] = Icon(IT_CACHED, id, hIcon);
return _icons[id] = Icon(type, id, hIcon);
}
const Icon& IconCache::get_icon(int id)

20
reactos/subsys/system/explorer/globals.h
View file

@ -85,11 +85,11 @@ struct Icon {
struct IconCache {
void init();
const Icon& extract(String path);
const Icon& extract(LPCTSTR path, int idx);
const Icon& extract(IExtractIcon* pExtract, LPCTSTR path, int idx);
const Icon& extract_from_file(LPCTSTR path, int idx);
const Icon& add(HICON hIcon);
const Icon& add_cached(HICON hIcon, LPCTSTR path, int idx);
const Icon& add(HICON hIcon, ICON_TYPE type=IT_DYNAMIC);
const Icon& get_icon(int icon_id);
HBITMAP get_icon_bitmap(int icon_id, HBRUSH hbrBkgnd, HDC hdc);
@ -97,15 +97,17 @@ struct IconCache {
void free_icon(int icon_id);
protected:
typedef map<int, Icon> IconMap;
typedef pair<String, int> CachePair;
typedef map<CachePair, ICON_ID> CacheMap;
static int s_next_id;
typedef map<int, Icon> IconMap;
IconMap _icons;
CacheMap _cache_map;
typedef map<String, ICON_ID> PathMap;
PathMap _pathMap;
typedef pair<String, int> CachePair;
typedef map<CachePair, ICON_ID> PathIdxMap;
PathIdxMap _pathIdxMap;
};

95
reactos/subsys/system/explorer/shell/entries.cpp
View file

@ -310,57 +310,62 @@ ShellPath Entry::create_absolute_pidl() const
void Entry::extract_icon()
{
TCHAR path[MAX_PATH];
ICON_ID icon_id = ICID_NONE;
IExtractIcon* pExtract;
if (SUCCEEDED(GetUIObjectOf(0, IID_IExtractIcon, (LPVOID*)&pExtract))) {
TCHAR path[MAX_PATH];
unsigned flags;
int idx;
if (SUCCEEDED(pExtract->GetIconLocation(GIL_FORSHELL, path, MAX_PATH, &idx, &flags))) {
if (flags & GIL_NOTFILENAME)
icon_id = g_Globals._icon_cache.extract(pExtract, path, idx)._id;
else {
if (idx == -1)
idx = 0; // special case for some control panel applications ("System")
icon_id = g_Globals._icon_cache.extract_from_file(path, idx)._id;
}
/* using create_absolute_pidl() [see below] results in more correct icons for some control panel applets ("NVidia").
if (icon_id == ICID_NONE) {
SHFILEINFO sfi;
if (SHGetFileInfo(path, 0, &sfi, sizeof(sfi), SHGFI_ICON|SHGFI_SMALLICON))
icon_id = g_Globals._icon_cache.add(sfi.hIcon)._id;
}
*/
/*
if (icon_id == ICID_NONE) {
LPBYTE b = (LPBYTE) alloca(0x10000);
SHFILEINFO sfi;
FILE* file = fopen(path, "rb");
if (file) {
int l = fread(b, 1, 0x10000, file);
fclose(file);
if (l)
icon_id = g_Globals._icon_cache.add(CreateIconFromResourceEx(b, l, TRUE, 0x00030000, 16, 16, LR_DEFAULTCOLOR));
}
}
*/ }
}
if (get_path(path))
icon_id = g_Globals._icon_cache.extract(path)._id;
if (icon_id == ICID_NONE) {
SHFILEINFO sfi;
IExtractIcon* pExtract;
if (SUCCEEDED(GetUIObjectOf(0, IID_IExtractIcon, (LPVOID*)&pExtract))) {
unsigned flags;
int idx;
const ShellPath& pidl_abs = create_absolute_pidl();
LPCITEMIDLIST pidl = pidl_abs;
if (SUCCEEDED(pExtract->GetIconLocation(GIL_FORSHELL, path, MAX_PATH, &idx, &flags))) {
if (flags & GIL_NOTFILENAME)
icon_id = g_Globals._icon_cache.extract(pExtract, path, idx)._id;
else {
if (idx == -1)
idx = 0; // special case for some control panel applications ("System")
if (SHGetFileInfo((LPCTSTR)pidl, 0, &sfi, sizeof(sfi), SHGFI_PIDL|SHGFI_ICON|SHGFI_SMALLICON)) //@@ besser SHGFI_SYSICONINDEX ?
icon_id = g_Globals._icon_cache.add(sfi.hIcon)._id;
icon_id = g_Globals._icon_cache.extract(path, idx)._id;
}
/* using create_absolute_pidl() [see below] results in more correct icons for some control panel applets ("NVidia").
if (icon_id == ICID_NONE) {
SHFILEINFO sfi;
if (SHGetFileInfo(path, 0, &sfi, sizeof(sfi), SHGFI_ICON|SHGFI_SMALLICON))
icon_id = g_Globals._icon_cache.add(sfi.hIcon)._id;
} */
/*
if (icon_id == ICID_NONE) {
LPBYTE b = (LPBYTE) alloca(0x10000);
SHFILEINFO sfi;
FILE* file = fopen(path, "rb");
if (file) {
int l = fread(b, 1, 0x10000, file);
fclose(file);
if (l)
icon_id = g_Globals._icon_cache.add(CreateIconFromResourceEx(b, l, TRUE, 0x00030000, 16, 16, LR_DEFAULTCOLOR));
}
} */
}
}
if (icon_id == ICID_NONE) {
SHFILEINFO sfi;
const ShellPath& pidl_abs = create_absolute_pidl();
LPCITEMIDLIST pidl = pidl_abs;
if (SHGetFileInfo((LPCTSTR)pidl, 0, &sfi, sizeof(sfi), SHGFI_PIDL|SHGFI_ICON|SHGFI_SMALLICON)) //@@ besser SHGFI_SYSICONINDEX ?
icon_id = g_Globals._icon_cache.add(sfi.hIcon)._id;
}
}
_icon_id = icon_id;

31
reactos/subsys/system/explorer/shell/shellfs.cpp
View file

@ -260,12 +260,6 @@ void ShellDirectory::read_directory(int scan_flags)
memcpy(&entry->_data, &w32fd, sizeof(WIN32_FIND_DATA));
if (!(w32fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
if (scan_flags & SCAN_EXTRACT_ICONS)
entry->extract_icon();
} else
entry->_icon_id = ICID_NONE; // don't try again later
entry->_down = NULL;
entry->_expanded = false;
entry->_scanned = false;
@ -315,6 +309,11 @@ void ShellDirectory::read_directory(int scan_flags)
entry->_shell_attribs = attribs;
if (w32fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
entry->_icon_id = ICID_FOLDER;
else if (scan_flags & SCAN_EXTRACT_ICONS)
entry->extract_icon();
last = entry;
} while(FindNextFile(hFind, &w32fd));
@ -402,14 +401,6 @@ void ShellDirectory::read_directory(int scan_flags)
entry->_display_name = _tcsdup(name); // store display name separate from file name; sort display by file name
}
// get icons for files and virtual objects
if (!(entry->_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
!(attribs & SFGAO_FILESYSTEM)) {
if (scan_flags & SCAN_EXTRACT_ICONS)
entry->extract_icon();
} else
entry->_icon_id = ICID_NONE; // don't try again later
entry->_down = NULL;
entry->_expanded = false;
entry->_scanned = false;
@ -417,6 +408,16 @@ void ShellDirectory::read_directory(int scan_flags)
entry->_shell_attribs = attribs;
entry->_bhfi_valid = bhfi_valid;
// get icons for files and virtual objects
if (!(entry->_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
!(attribs & SFGAO_FILESYSTEM)) {
if (scan_flags & SCAN_EXTRACT_ICONS)
entry->extract_icon();
} else if (entry->_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
entry->_icon_id = ICID_FOLDER;
else
entry->_icon_id = ICID_NONE; // don't try again later
last = entry;
} catch(COMException& e) {
HandleException(e, _hwnd);
@ -470,8 +471,6 @@ int ShellDirectory::extract_icons()
if (entry->_icon_id != ICID_NONE)
++cnt;
else
entry->_icon_id = ICID_NONE; // don't try again later
}
return cnt;