nextcloud-desktop/shell_integration/MacOSX/OwnCloudFinder/FinderHook.m

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/**
* Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
*
* 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; either version 2.1 of the License, or (at your option)
* any later version.
*
* 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.
*/
#import "ContentManager.h"
#import "FinderHook.h"
#import "IconCache.h"
#import "objc/objc-class.h"
#import "RequestManager.h"
static BOOL installed = NO;
@implementation FinderHook
+ (void)hookClassMethod:(SEL)oldSelector inClass:(NSString*)className toCallToTheNewMethod:(SEL)newSelector
{
Class hookedClass = NSClassFromString(className);
Method oldMethod = class_getClassMethod(hookedClass, oldSelector);
Method newMethod = class_getClassMethod(hookedClass, newSelector);
method_exchangeImplementations(newMethod, oldMethod);
}
+ (void)hookMethod:(SEL)oldSelector inClass:(NSString*)className toCallToTheNewMethod:(SEL)newSelector
{
Class hookedClass = NSClassFromString(className);
Method oldMethod = class_getInstanceMethod(hookedClass, oldSelector);
Method newMethod = class_getInstanceMethod(hookedClass, newSelector);
method_exchangeImplementations(newMethod, oldMethod);
}
+ (void)install
{
if (installed)
{
// NSLog(@"SyncStateFinder: already installed");
return;
}
// NSLog(@"SyncStateFinder: installing SyncState Shell extension");
[RequestManager sharedInstance];
// Icons
[self hookMethod:@selector(drawImage:) inClass:@"IKImageBrowserCell" toCallToTheNewMethod:@selector(OCIconOverlayHandlers_IKImageBrowserCell_drawImage:)]; // 10.7 & 10.8 & 10.9 (Icon View arrange by name)
[self hookMethod:@selector(drawImage:) inClass:@"IKFinderReflectiveIconCell" toCallToTheNewMethod:@selector(OCIconOverlayHandlers_IKFinderReflectiveIconCell_drawImage:)]; // 10.7 & 10.8 & 10.9 (Icon View arrange by everything else)
[self hookMethod:@selector(drawIconWithFrame:) inClass:@"TColumnCell" toCallToTheNewMethod:@selector(OCIconOverlayHandlers_drawIconWithFrame:)]; // 10.7 & 10.8 & 10.9 Column View
[self hookMethod:@selector(drawRect:) inClass:@"TDimmableIconImageView" toCallToTheNewMethod:@selector(OCIconOverlayHandlers_drawRect:)]; // 10.9 (List and Coverflow Views)
// Context Menus
[self hookClassMethod:@selector(addViewSpecificStuffToMenu:browserViewController:context:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(OCContextMenuHandlers_addViewSpecificStuffToMenu:browserViewController:context:)]; // 10.7 & 10.8
[self hookClassMethod:@selector(addViewSpecificStuffToMenu:clickedView:browserViewController:context:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(OCContextMenuHandlers_addViewSpecificStuffToMenu:clickedView:browserViewController:context:)]; // 10.9
[self hookClassMethod:@selector(handleContextMenuCommon:nodes:event:view:windowController:addPlugIns:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(OCContextMenuHandlers_handleContextMenuCommon:nodes:event:view:windowController:addPlugIns:)]; // 10.7
[self hookClassMethod:@selector(handleContextMenuCommon:nodes:event:view:browserController:addPlugIns:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(OCContextMenuHandlers_handleContextMenuCommon:nodes:event:view:browserController:addPlugIns:)]; // 10.8
[self hookClassMethod:@selector(handleContextMenuCommon:nodes:event:clickedView:browserViewController:addPlugIns:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(OCContextMenuHandlers_handleContextMenuCommon:nodes:event:clickedView:browserViewController:addPlugIns:)]; // 10.9
[self hookMethod:@selector(configureWithNodes:windowController:container:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(OCContextMenuHandlers_configureWithNodes:windowController:container:)]; // 10.7
[self hookMethod:@selector(configureWithNodes:browserController:container:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(OCContextMenuHandlers_configureWithNodes:browserController:container:)]; // 10.8
[self hookMethod:@selector(configureFromMenuNeedsUpdate:clickedView:container:event:selectedNodes:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(OCContextMenuHandlers_configureFromMenuNeedsUpdate:clickedView:container:event:selectedNodes:)]; // 10.9
installed = YES;
// NSLog(@"SyncStateFinder: installed");
}
+ (void)uninstall
{
if (!installed)
{
// NSLog(@"SyncStateFinder: not installed");
return;
}
// NSLog(@"SyncStateFinder: uninstalling");
[[ContentManager sharedInstance] dealloc];
[[IconCache sharedInstance] dealloc];
[[RequestManager sharedInstance] dealloc];
// Icons
[self hookMethod:@selector(OCIconOverlayHandlers_drawImage:) inClass:@"TIconViewCell" toCallToTheNewMethod:@selector(drawImage:)]; // 10.7 & 10.8 & 10.9
[self hookMethod:@selector(OCIconOverlayHandlers_drawIconWithFrame:) inClass:@"TListViewIconAndTextCell" toCallToTheNewMethod:@selector(drawIconWithFrame:)]; // 10.7 & 10.8 & 10.9
// Context Menus
[self hookClassMethod:@selector(OCContextMenuHandlers_addViewSpecificStuffToMenu:browserViewController:context:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(addViewSpecificStuffToMenu:browserViewController:context:)]; // 10.7 & 10.8
[self hookClassMethod:@selector(OCContextMenuHandlers_handleContextMenuCommon:nodes:event:view:windowController:addPlugIns:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(handleContextMenuCommon:nodes:event:view:windowController:addPlugIns:)]; // 10.7
[self hookMethod:@selector(OCContextMenuHandlers_configureWithNodes:windowController:container:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(configureWithNodes:windowController:container:)]; // 10.7
[self hookClassMethod:@selector(OCContextMenuHandlers_handleContextMenuCommon:nodes:event:view:browserController:addPlugIns:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(handleContextMenuCommon:nodes:event:view:browserController:addPlugIns:)]; // 10.8
[self hookMethod:@selector(OCContextMenuHandlers_configureWithNodes:browserController:container:) inClass:@"TContextMenu" toCallToTheNewMethod:@selector(configureWithNodes:browserController:container:)]; // 10.8
installed = NO;
// NSLog(@"SyncStateFinder: uninstalled");
}
@end