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UPD: Drop libmime dependency, use native pascal implementation instead

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This commit is contained in:
Alexander Koblov 2015-01-01 22:09:14 +00:00
commit 8dc2160099
3 changed files with 249 additions and 182 deletions
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420
src/platform/unix/umimeactions.pas
View file

@ -8,7 +8,7 @@
(http://www.freedesktop.org/wiki/Specifications/mime-apps-spec)
Copyright (C) 2009-2010 Przemyslaw Nagay (cobines@gmail.com)
Copyright (C) 2011-2014 Alexander Koblov (alexx2000@mail.ru)
Copyright (C) 2011-2015 Alexander Koblov (alexx2000@mail.ru)
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
@ -32,8 +32,7 @@ unit uMimeActions;
interface
uses
Classes, SysUtils, // for AnsiString version of StrPas function
glib2;
Classes, SysUtils;
type
PDesktopFileEntry = ^TDesktopFileEntry;
@ -60,11 +59,6 @@ function GetDesktopEntries(FileNames: TStringList): TList;
Returns a default application command line.
}
function GetDefaultAppCmd(FileNames: TStringList): UTF8String;
{en
Get file MIME type.
Returns a file MIME type.
}
function GetFileMimeType(const FileName: UTF8String): UTF8String;
{en
Get desktop entry by desktop file name.
}
@ -85,19 +79,19 @@ function TranslateAppExecToCmdLine(const entry: PDesktopFileEntry;
implementation
uses
Unix, DCBasicTypes, DCClassesUtf8, DCStrUtils, uDCUtils, uIconTheme, uClipboard,
DCOSUtils, uOSUtils, uKeyFile, uGio, uXdg;
Unix, DCBasicTypes, DCClassesUtf8, DCStrUtils, uDCUtils, uGlib2,
uIconTheme, uClipboard, DCOSUtils, uKeyFile, uGio, uXdg, uMimeType;
const
libmime = 'libmime';
type
TMimeAppsGroup = (magDefault, magAdded, magRemoved);
TMimeAppsGroupSet = set of TMimeAppsGroup;
procedure mime_type_init; cdecl; external libmime;
procedure mime_type_finalize; cdecl; external libmime;
procedure mime_type_add_action(mimeType, DesktopFileId: PChar; CustomDesktop: PPChar); cdecl; external libmime;
function mime_type_get_by_filename(filename: PChar; stat: Pointer) : PChar; cdecl; external libmime;
function mime_type_get_by_file(filepath: PChar; stat: Pointer; basename: PChar): PChar; cdecl; external libmime;
function mime_type_get_actions(mimeType: PChar): PPChar; cdecl; external libmime;
function mime_type_locate_desktop_file(DirectoryToCheck: PChar; DesktopFileId: PChar): PChar; cdecl; external libmime;
type
TMimeAppsList = record
Defaults,
Added,
Removed: TDynamicStringArray;
end;
function TranslateAppExecToCmdLine(const entry: PDesktopFileEntry;
const fileList: TStringList): String;
@ -212,54 +206,113 @@ begin
end;
end;
procedure ReadMimeAppsList(const mimeType: String; out Added, Removed: TStringList);
const
mimeApps1 = '/.local/share/applications/mimeapps.list';
mimeApps2 = '/usr/share/applications/mimeapps.list';
procedure ParseActions(Actions: TDynamicStringArray; var ActionList: TDynamicStringArray);
var
I: LongInt;
sTemp: String;
mimeApps: TIniFileEx = nil;
mimeAppsList: array[1..2] of String = (mimeApps1, mimeApps2);
function ParseActions(const Actions: String; var ActionList: TStringList): Boolean;
var
startIndex,
finishIndex: LongInt;
action: String;
desktopFile: PChar = nil;
Action: String;
begin
for Action in Actions do
begin
startIndex:= 1;
for finishIndex:= 1 to Length(Actions) do
if (Actions[finishIndex] = ';') then
if Length(GetDesktopPath(Action)) > 0 then
begin
action:= Copy(Actions, startIndex, finishIndex - startIndex);
desktopFile := mime_type_locate_desktop_file(nil, PChar(action));
if (desktopFile <> nil) then
begin
if (ActionList.IndexOf(action) < 0) then
ActionList.Add(action);
g_free(desktopFile);
end;
startIndex:= finishIndex + 1;
if not Contains(ActionList, Action) then
AddString(ActionList, Action);
end;
end;
end;
procedure SetFindPath(var MimeAppsPath: TDynamicStringArray);
const
APPLICATIONS = 'applications/';
var
I: Integer;
Temp: TDynamicStringArray;
begin
Added:= TStringList.Create;
Removed:= TStringList.Create;
mimeAppsList[1]:= GetHomeDir + mimeAppsList[1];
for I:= Low(mimeAppsList) to High(mimeAppsList) do
if (mbFileExists(mimeAppsList[I])) then
try
mimeApps:= TIniFileEx.Create(mimeAppsList[I], fmOpenRead or fmShareDenyNone);
// $XDG_CONFIG_HOME
AddString(MimeAppsPath, IncludeTrailingBackslash(GetUserConfigDir));
// $XDG_CONFIG_DIRS
Temp:= GetSystemConfigDirs;
for I:= Low(Temp) to High(Temp) do
begin
AddString(MimeAppsPath, IncludeTrailingBackslash(Temp[I]));
end;
// $XDG_DATA_HOME
AddString(MimeAppsPath, IncludeTrailingBackslash(GetUserDataDir) + APPLICATIONS);
// $XDG_DATA_DIRS
Temp:= GetSystemDataDirs;
for I:= Low(Temp) to High(Temp) do
begin
AddString(MimeAppsPath, IncludeTrailingBackslash(Temp[I]) + APPLICATIONS);
end;
end;
function ReadMimeAppsList(const MimeType, MimeAppsPath: String; Flags: TMimeAppsGroupSet): TMimeAppsList;
const
MIME_APPS_LIST = 'mimeapps.list';
var
J: LongInt;
FileName: String;
MimeApps: TKeyFile;
Actions: TDynamicStringArray;
MimeAppsFile: TDynamicStringArray;
begin
// $XDG_CURRENT_DESKTOP
Actions:= GetCurrentDesktop;
// Desktop specific configuration
for J:= Low(Actions) to High(Actions) do
begin
AddString(MimeAppsFile, LowerCase(Actions[J]) + '-' + MIME_APPS_LIST);
end;
// Common configuration
AddString(MimeAppsFile, MIME_APPS_LIST);
for J:= Low(MimeAppsFile) to High(MimeAppsFile) do
begin
FileName:= MimeAppsPath + MimeAppsFile[J];
if mbFileExists(FileName) then
try
sTemp:= mimeApps.ReadString('Added Associations', mimeType, EmptyStr);
if (Length(sTemp) <> 0) then ParseActions(sTemp, Added);
sTemp:= mimeApps.ReadString('Removed Associations', mimeType, EmptyStr);
if (Length(sTemp) <> 0) then ParseActions(sTemp, Removed);
MimeApps:= TKeyFile.Create(FileName);
try
if magDefault in Flags then
begin
Actions:= MimeApps.ReadStringList('Default Applications', MimeType);
if (Length(Actions) > 0) then ParseActions(Actions, Result.Defaults);
end;
if magAdded in Flags then
begin
Actions:= MimeApps.ReadStringList('Added Associations', MimeType);
if (Length(Actions) > 0) then ParseActions(Actions, Result.Added);
end;
if magRemoved in Flags then
begin
Actions:= MimeApps.ReadStringList('Removed Associations', MimeType);
if (Length(Actions) > 0) then ParseActions(Actions, Result.Removed);
end;
finally
FreeAndNil(MimeApps);
end;
except
// Continue
end;
end;
end;
procedure ReadMimeInfoCache(const MimeType, Path: String; out Actions: TDynamicStringArray);
const
MIME_INFO_CACHE = 'mimeinfo.cache';
var
MimeCache: TKeyFile;
FileName: UTF8String;
AValue: TDynamicStringArray;
begin
FileName:= IncludeTrailingBackslash(Path) + MIME_INFO_CACHE;
if mbFileExists(FileName) then
try
MimeCache:= TKeyFile.Create(FileName);
try
AValue:= MimeCache.ReadStringList('MIME Cache', MimeType);
if (Length(AValue) > 0) then ParseActions(AValue, Actions);
finally
FreeAndNil(mimeApps);
FreeAndNil(MimeCache);
end;
except
// Continue
@ -268,156 +321,175 @@ end;
function GetDesktopEntries(FileNames: TStringList): TList;
var
I: Integer;
mimeType: PChar;
actions: PPChar;
desktopFile: PChar;
Apps: TMimeAppsList;
Entry: PDesktopFileEntry;
Added, Removed: TStringList;
ActionArray: TDynamicStringArray;
Path, Action, MimeType: String;
Actions, MimeTypes: TDynamicStringArray;
ResultArray, MimeAppsPath: TDynamicStringArray;
procedure AddAction(action: PChar);
procedure AddAction(const Action: String);
begin
desktopFile := mime_type_locate_desktop_file(nil, action);
if Assigned(desktopFile) then
Path := GetDesktopPath(Action);
if Length(Path) > 0 then
begin
Entry := GetDesktopEntry(desktopFile);
Entry := GetDesktopEntry(Path);
if Assigned(Entry) then
begin
Entry^.MimeType := StrPas(mimeType);
Entry^.MimeType := MimeType;
// Set Exec as last because it uses other fields of Entry.
Entry^.Exec := TranslateAppExecToCmdLine(Entry, Filenames);
Result.Add(Entry);
end;
g_free(desktopFile);
end;
end;
begin
if FileNames.Count = 0 then
Exit(nil);
if FileNames.Count = 0 then Exit(nil);
// Get file mime type
MimeTypes := GetFileMimeTypes(FileNames[0]);
if Length(MimeTypes) = 0 then Exit(nil);
Result := TList.Create;
SetFindPath(MimeAppsPath);
// This string should not be freed.
mimeType := mime_type_get_by_file(PChar(FileNames[0]), nil, nil);
// Read actions from mimeapps.list
ReadMimeAppsList(mimeType, Added, Removed);
// Add actions from mimeapps.list
for I := 0 to Added.Count - 1 do
AddAction(PChar(Added[I]));
if HasGio then
for MimeType in MimeTypes do
begin
ActionArray:= GioMimeTypeGetActions(mimeType);
for I:= Low(ActionArray) to High(ActionArray) do
for Path in MimeAppsPath do
begin
// Don't add actions where already in mimeapps.list
if (Added.IndexOf(ActionArray[I]) < 0) and (Removed.IndexOf(ActionArray[I]) < 0) then
AddAction(PAnsiChar(ActionArray[I]));
end;
end
else begin
// Retrieve *.desktop identificators
actions := mime_type_get_actions(mimeType);
// Read actions from mimeapps.list
Apps:= ReadMimeAppsList(MimeType, Path, [magDefault, magAdded, magRemoved]);
// If find any actions for this mime
if actions <> nil then
begin
I := 0;
while (actions[I] <> nil) and (actions[I] <> '') do
// Add actions from default group
for Action in Apps.Defaults do
begin
// Don't add actions where already in mimeapps.list
if (Added.IndexOf(actions[I]) < 0) and (Removed.IndexOf(actions[I]) < 0) then
AddAction(actions[I]);
I := I + 1;
if (not Contains(ResultArray, Action)) and (not Contains(Apps.Removed, Action)) then
AddString(ResultArray, Action);
end;
// Add actions from added group
for Action in Apps.Added do
begin
if (not Contains(ResultArray, Action)) and (not Contains(Apps.Defaults, Action)) then
AddString(ResultArray, Action);
end;
// Read actions from mimeinfo.cache
ReadMimeInfoCache(MimeType, Path, Actions);
for Action in Actions do
begin
if (not Contains(ResultArray, Action)) and (not Contains(Apps.Removed, Action)) then
begin
AddString(ResultArray, Action);
AddString(Apps.Removed, Action);
end;
end;
g_strfreev(actions);
end;
end;
// Free resources
FreeAndNil(Added);
FreeAndNil(Removed);
if HasGio then
begin
Actions:= GioMimeTypeGetActions(MimeTypes[0]);
for Action in Actions do
begin
if not Contains(ResultArray, Action) then
AddString(ResultArray, Action);
end;
end;
// Fill result list
for Action in ResultArray do
begin
AddAction(Action);
end;
end;
function GetDefaultAppCmd(FileNames: TStringList): UTF8String;
var
i: Integer = 0;
mimeType: PChar = nil;
action: PChar = nil;
actions: PPChar = nil;
desktopFile: PChar;
I: Integer;
Action: String;
Apps: TMimeAppsList;
MimeType, Path: String;
Entry: PDesktopFileEntry;
Added, Removed: TStringList;
begin
Result:= EmptyStr;
Actions: TDynamicStringArray;
MimeTypes: TDynamicStringArray;
MimeAppsPath: TDynamicStringArray;
if FileNames.Count = 0 then Exit;
// This string should not be freed.
mimeType := mime_type_get_by_file(PChar(FileNames[0]), nil, nil);
// Read actions from mimeapps.list
ReadMimeAppsList(mimeType, Added, Removed);
if (Added.Count > 0) then
begin
// First action is default
action:= PChar(Added[0]);
end
else
begin
// Retrieve *.desktop identificators
actions := mime_type_get_actions(mimeType);
// If find any actions for this mime
if (actions <> nil) then
repeat
action := actions[i];
inc(i);
until ((action <> nil) or (action <> EmptyStr)) and (Removed.IndexOf(action) < 0);
end;
if (action <> nil) then
function GetAppExec: UTF8String;
begin
desktopFile := mime_type_locate_desktop_file(nil, action);
if Assigned(desktopFile) then
if Length(Action) > 0 then
begin
Entry := GetDesktopEntry(desktopFile);
if Assigned(Entry) then
Path := GetDesktopPath(Action);
if Length(Path) > 0 then
begin
Entry^.MimeType := StrPas(mimeType);
// Set Exec as last because it uses other fields of Entry.
Result := TranslateAppExecToCmdLine(Entry, Filenames);
Dispose(Entry);
end;
Entry := GetDesktopEntry(Path);
g_free(desktopFile);
if Assigned(Entry) then
begin
Entry^.MimeType := MimeType;
// Set Exec as last because it uses other fields of Entry.
Result := TranslateAppExecToCmdLine(Entry, Filenames);
Dispose(Entry);
end;
end;
end;
end;
// Free resources
FreeAndNil(Added);
FreeAndNil(Removed);
if (actions <> nil) then
g_strfreev(actions)
end;
function GetFileMimeType(const FileName: UTF8String): UTF8String;
var
mimeType: PChar;
begin
// This string should not be freed.
mimeType := mime_type_get_by_file(PChar(FileName), nil, nil);
Result:= StrPas(mimeType);
Result:= EmptyStr;
if FileNames.Count = 0 then Exit;
// Get file mime type
MimeTypes := GetFileMimeTypes(FileNames[0]);
if Length(MimeTypes) = 0 then Exit;
for MimeType in MimeTypes do
begin
// Check defaults
for Path in MimeAppsPath do
begin
// Read actions from mimeapps.list
Apps:= ReadMimeAppsList(MimeType, Path, [magDefault]);
if Length(Apps.Defaults) > 0 then
begin
// First Action is default
Action:= Apps.Defaults[0];
Exit(GetAppExec);
end
end;
// Check added
for Path in MimeAppsPath do
begin
// Read actions from mimeapps.list
Apps:= ReadMimeAppsList(MimeType, Path, [magAdded]);
if Length(Apps.Added) > 0 then
begin
// First Action is default
Action:= Apps.Added[0];
Exit(GetAppExec);
end;
end;
// Check mime info cache
for Path in MimeAppsPath do
begin
// Read actions from mimeinfo.cache
ReadMimeInfoCache(MimeType, Path, Actions);
if Length(Actions) > 0 then
begin
// Read actions from mimeapps.list
Apps:= ReadMimeAppsList(MimeType, Path, [magRemoved]);
for I:= Low(Actions) to High(Actions) do
begin
if not Contains(Apps.Removed, Actions[I]) then
begin
Action:= Actions[I];
Exit(GetAppExec);
end;
end;
end;
end;
end; //for
end;
function GetDesktopEntry(const FileName: UTF8String): PDesktopFileEntry;
@ -487,7 +559,7 @@ begin
if (StrEnds(DesktopEntry, '.desktop') = False) then
begin
// Create new desktop entry file for user command
CustomFile:= 'doublecmd_' + ExtractFileName(DesktopEntry) + '_';
CustomFile:= 'dc_' + ExtractFileName(DesktopEntry) + '_';
CustomFile:= UserDataDir + '/applications/' + CustomFile;
CustomFile:= GetTempName(CustomFile) + '.desktop';
try
@ -495,12 +567,13 @@ begin
try
DesktopFile.WriteBool(DESKTOP_GROUP, DESKTOP_KEY_NO_DISPLAY, True);
DesktopFile.WriteString(DESKTOP_GROUP, DESKTOP_KEY_EXEC, DesktopEntry);
DesktopFile.WriteString(DESKTOP_GROUP, DESKTOP_KEY_TYPE, 'Application');
DesktopFile.WriteString(DESKTOP_GROUP, DESKTOP_KEY_MIME_TYPE, MimeType);
DesktopFile.WriteString(DESKTOP_GROUP, DESKTOP_KEY_NAME, ExtractFileName(DesktopEntry));
DesktopFile.WriteString(DESKTOP_GROUP, DESKTOP_KEY_TYPE, KEY_FILE_DESKTOP_TYPE_APPLICATION);
finally
DesktopFile.Free;
end;
fpSystem('update-desktop-database ' + UserDataDir);
except
Exit(False);
end;
@ -524,16 +597,9 @@ begin
finally
DesktopFile.Free;
end;
fpSystem('update-desktop-database ' + UserDataDir);
except
Result:= False;
end;
end;
initialization
mime_type_init;
finalization
mime_type_finalize();
end.

11
src/platform/unix/umyunix.pas
View file

@ -243,8 +243,11 @@ uses
{$IF (NOT DEFINED(FPC_USE_LIBC)) or (DEFINED(BSD) AND NOT DEFINED(DARWIN))}
, SysCall
{$ENDIF}
{$IF NOT DEFINED(DARWIN)}
, uMimeActions, uMimeType
{$ENDIF}
{$IFDEF LINUX}
, Process, uMimeActions, uUDisks
, Process, uUDisks
{$ENDIF}
;
@ -423,7 +426,7 @@ begin
end;
function GetDefaultAppCmd(const FileName: UTF8String): UTF8String;
{$IFDEF LINUX}
{$IF NOT DEFINED(DARWIN)}
var
Filenames: TStringList;
begin
@ -441,9 +444,9 @@ end;
{$ENDIF}
function GetFileMimeType(const FileName: UTF8String): UTF8String;
{$IFDEF LINUX}
{$IF NOT DEFINED(DARWIN)}
begin
Result:= uMimeActions.GetFileMimeType(FileName);
Result:= uMimeType.GetFileMimeType(FileName);
end;
{$ELSE}
begin

14
src/platform/unix/ushellcontextmenu.pas
View file

@ -65,9 +65,9 @@ uses
{$IF DEFINED(DARWIN)}
, MacOSAll
{$ELSE}
, uKeyFile
, uKeyFile, uMimeActions, uOSForms
{$IF DEFINED(LINUX)}
, uMimeActions, uOSForms, uRabbitVCS
, uRabbitVCS
{$ENDIF}
{$ENDIF}
;
@ -261,7 +261,7 @@ var
I: LongInt;
FileNames: TStringList;
begin
{$IF DEFINED(LINUX)}
{$IF NOT DEFINED(DARWIN)}
FileNames := TStringList.Create;
for I := 0 to FFiles.Count - 1 do
FileNames.Add(FFiles[I].FullPath);
@ -353,7 +353,7 @@ begin
CFRelease(ApplicationArrayRef);
end;
end;
{$ELSEIF DEFINED(LINUX)}
{$ELSE}
var
I: LongInt;
ImageIndex: PtrInt;
@ -402,7 +402,9 @@ begin
mi.OnClick := Self.OpenWithOtherSelect;
miOpenWith.Add(mi);
{$IF DEFINED(LINUX)}
FillRabbitMenu(Self, FileNames);
{$ENDIF}
finally
FreeAndNil(FileNames);
@ -414,10 +416,6 @@ begin
end;
end;
end;
{$ELSE}
begin
Result:= False;
end;
{$ENDIF}
constructor TShellContextMenu.Create(Owner: TWinControl; ADrive: PDrive);