codello/kara-quickview
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This commit is contained in:
Kim Wittenburg
2012-08-15 18:33:03 +02:00
commit e715f08a85
7 changed files with 630 additions and 0 deletions
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299
Kara Quick View.xcodeproj/project.pbxproj Normal file
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// !$*UTF8*$!
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name = "Kara Quick View";
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23
Kara Quick View/GeneratePreviewForURL.c Normal file
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#include <CoreFoundation/CoreFoundation.h>
#include <CoreServices/CoreServices.h>
#include <QuickLook/QuickLook.h>
OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options);
void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview);
/* -----------------------------------------------------------------------------
Generate a preview for file
This function's job is to create preview for designated file
----------------------------------------------------------------------------- */
OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options)
{
// To complete your generator please implement the function GeneratePreviewForURL in GeneratePreviewForURL.c
return noErr;
}
void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview)
{
// Implement only if supported
}

23
Kara Quick View/GenerateThumbnailForURL.c Normal file
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#include <CoreFoundation/CoreFoundation.h>
#include <CoreServices/CoreServices.h>
#include <QuickLook/QuickLook.h>
OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize);
void CancelThumbnailGeneration(void *thisInterface, QLThumbnailRequestRef thumbnail);
/* -----------------------------------------------------------------------------
Generate a thumbnail for file
This function's job is to create thumbnail for designated file as fast as possible
----------------------------------------------------------------------------- */
OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize)
{
// To complete your generator please implement the function GenerateThumbnailForURL in GenerateThumbnailForURL.c
return noErr;
}
void CancelThumbnailGeneration(void *thisInterface, QLThumbnailRequestRef thumbnail)
{
// Implement only if supported
}

61
Kara Quick View/Kara Quick View-Info.plist Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>English</string>
<key>CFBundleDocumentTypes</key>
<array>
<dict>
<key>CFBundleTypeRole</key>
<string>QLGenerator</string>
<key>LSItemContentTypes</key>
<array>
<string>SUPPORTED_UTI_TYPE</string>
</array>
</dict>
</array>
<key>CFBundleExecutable</key>
<string>${EXECUTABLE_NAME}</string>
<key>CFBundleIconFile</key>
<string></string>
<key>CFBundleIdentifier</key>
<string>wittenburg.kim.${PRODUCT_NAME:rfc1034identifier}</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>${PRODUCT_NAME}</string>
<key>CFBundleShortVersionString</key>
<string>1</string>
<key>CFBundleVersion</key>
<string>1.0</string>
<key>CFPlugInDynamicRegisterFunction</key>
<string></string>
<key>CFPlugInDynamicRegistration</key>
<string>NO</string>
<key>CFPlugInFactories</key>
<dict>
<key>1380FD98-3552-484E-BE36-0C32123CFB52</key>
<string>QuickLookGeneratorPluginFactory</string>
</dict>
<key>CFPlugInTypes</key>
<dict>
<key>5E2D9680-5022-40FA-B806-43349622E5B9</key>
<array>
<string>1380FD98-3552-484E-BE36-0C32123CFB52</string>
</array>
</dict>
<key>CFPlugInUnloadFunction</key>
<string></string>
<key>QLNeedsToBeRunInMainThread</key>
<false/>
<key>QLPreviewHeight</key>
<real>600</real>
<key>QLPreviewWidth</key>
<real>800</real>
<key>QLSupportsConcurrentRequests</key>
<false/>
<key>QLThumbnailMinimumSize</key>
<real>17</real>
</dict>
</plist>

4
Kara Quick View/Kara Quick View-Prefix.pch Normal file
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//
// Prefix header for all source files of the 'Kara Quick View' target in the 'Kara Quick View' project
//

2
Kara Quick View/en.lproj/InfoPlist.strings Normal file
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/* Localized versions of Info.plist keys */

218
Kara Quick View/main.c Normal file
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//==============================================================================
//
// DO NO MODIFY THE CONTENT OF THIS FILE
//
// This file contains the generic CFPlug-in code necessary for your generator
// To complete your generator implement the function in GenerateThumbnailForURL/GeneratePreviewForURL.c
//
//==============================================================================
#include <CoreFoundation/CoreFoundation.h>
#include <CoreFoundation/CFPlugInCOM.h>
#include <CoreServices/CoreServices.h>
#include <QuickLook/QuickLook.h>
// -----------------------------------------------------------------------------
// constants
// -----------------------------------------------------------------------------
// Don't modify this line
#define PLUGIN_ID "1380FD98-3552-484E-BE36-0C32123CFB52"
//
// Below is the generic glue code for all plug-ins.
//
// You should not have to modify this code aside from changing
// names if you decide to change the names defined in the Info.plist
//
// -----------------------------------------------------------------------------
// typedefs
// -----------------------------------------------------------------------------
// The thumbnail generation function to be implemented in GenerateThumbnailForURL.c
OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize);
void CancelThumbnailGeneration(void* thisInterface, QLThumbnailRequestRef thumbnail);
// The preview generation function to be implemented in GeneratePreviewForURL.c
OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options);
void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview);
// The layout for an instance of QuickLookGeneratorPlugIn
typedef struct __QuickLookGeneratorPluginType
{
void *conduitInterface;
CFUUIDRef factoryID;
UInt32 refCount;
} QuickLookGeneratorPluginType;
// -----------------------------------------------------------------------------
// prototypes
// -----------------------------------------------------------------------------
// Forward declaration for the IUnknown implementation.
//
QuickLookGeneratorPluginType *AllocQuickLookGeneratorPluginType(CFUUIDRef inFactoryID);
void DeallocQuickLookGeneratorPluginType(QuickLookGeneratorPluginType *thisInstance);
HRESULT QuickLookGeneratorQueryInterface(void *thisInstance,REFIID iid,LPVOID *ppv);
void *QuickLookGeneratorPluginFactory(CFAllocatorRef allocator,CFUUIDRef typeID);
ULONG QuickLookGeneratorPluginAddRef(void *thisInstance);
ULONG QuickLookGeneratorPluginRelease(void *thisInstance);
// -----------------------------------------------------------------------------
// myInterfaceFtbl definition
// -----------------------------------------------------------------------------
// The QLGeneratorInterfaceStruct function table.
//
static QLGeneratorInterfaceStruct myInterfaceFtbl = {
NULL,
QuickLookGeneratorQueryInterface,
QuickLookGeneratorPluginAddRef,
QuickLookGeneratorPluginRelease,
NULL,
NULL,
NULL,
NULL
};
// -----------------------------------------------------------------------------
// AllocQuickLookGeneratorPluginType
// -----------------------------------------------------------------------------
// Utility function that allocates a new instance.
// You can do some initial setup for the generator here if you wish
// like allocating globals etc...
//
QuickLookGeneratorPluginType *AllocQuickLookGeneratorPluginType(CFUUIDRef inFactoryID)
{
QuickLookGeneratorPluginType *theNewInstance;
theNewInstance = (QuickLookGeneratorPluginType *)malloc(sizeof(QuickLookGeneratorPluginType));
memset(theNewInstance,0,sizeof(QuickLookGeneratorPluginType));
/* Point to the function table Malloc enough to store the stuff and copy the filler from myInterfaceFtbl over */
theNewInstance->conduitInterface = malloc(sizeof(QLGeneratorInterfaceStruct));
memcpy(theNewInstance->conduitInterface,&myInterfaceFtbl,sizeof(QLGeneratorInterfaceStruct));
/* Retain and keep an open instance refcount for each factory. */
theNewInstance->factoryID = CFRetain(inFactoryID);
CFPlugInAddInstanceForFactory(inFactoryID);
/* This function returns the IUnknown interface so set the refCount to one. */
theNewInstance->refCount = 1;
return theNewInstance;
}
// -----------------------------------------------------------------------------
// DeallocQuickLookGeneratorPluginType
// -----------------------------------------------------------------------------
// Utility function that deallocates the instance when
// the refCount goes to zero.
// In the current implementation generator interfaces are never deallocated
// but implement this as this might change in the future
//
void DeallocQuickLookGeneratorPluginType(QuickLookGeneratorPluginType *thisInstance)
{
CFUUIDRef theFactoryID;
theFactoryID = thisInstance->factoryID;
/* Free the conduitInterface table up */
free(thisInstance->conduitInterface);
/* Free the instance structure */
free(thisInstance);
if (theFactoryID){
CFPlugInRemoveInstanceForFactory(theFactoryID);
CFRelease(theFactoryID);
}
}
// -----------------------------------------------------------------------------
// QuickLookGeneratorQueryInterface
// -----------------------------------------------------------------------------
// Implementation of the IUnknown QueryInterface function.
//
HRESULT QuickLookGeneratorQueryInterface(void *thisInstance,REFIID iid,LPVOID *ppv)
{
CFUUIDRef interfaceID;
interfaceID = CFUUIDCreateFromUUIDBytes(kCFAllocatorDefault,iid);
if (CFEqual(interfaceID,kQLGeneratorCallbacksInterfaceID)){
/* If the Right interface was requested, bump the ref count,
* set the ppv parameter equal to the instance, and
* return good status.
*/
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->GenerateThumbnailForURL = GenerateThumbnailForURL;
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->CancelThumbnailGeneration = CancelThumbnailGeneration;
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->GeneratePreviewForURL = GeneratePreviewForURL;
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType *)thisInstance)->conduitInterface)->CancelPreviewGeneration = CancelPreviewGeneration;
((QLGeneratorInterfaceStruct *)((QuickLookGeneratorPluginType*)thisInstance)->conduitInterface)->AddRef(thisInstance);
*ppv = thisInstance;
CFRelease(interfaceID);
return S_OK;
}else{
/* Requested interface unknown, bail with error. */
*ppv = NULL;
CFRelease(interfaceID);
return E_NOINTERFACE;
}
}
// -----------------------------------------------------------------------------
// QuickLookGeneratorPluginAddRef
// -----------------------------------------------------------------------------
// Implementation of reference counting for this type. Whenever an interface
// is requested, bump the refCount for the instance. NOTE: returning the
// refcount is a convention but is not required so don't rely on it.
//
ULONG QuickLookGeneratorPluginAddRef(void *thisInstance)
{
((QuickLookGeneratorPluginType *)thisInstance )->refCount += 1;
return ((QuickLookGeneratorPluginType*) thisInstance)->refCount;
}
// -----------------------------------------------------------------------------
// QuickLookGeneratorPluginRelease
// -----------------------------------------------------------------------------
// When an interface is released, decrement the refCount.
// If the refCount goes to zero, deallocate the instance.
//
ULONG QuickLookGeneratorPluginRelease(void *thisInstance)
{
((QuickLookGeneratorPluginType*)thisInstance)->refCount -= 1;
if (((QuickLookGeneratorPluginType*)thisInstance)->refCount == 0){
DeallocQuickLookGeneratorPluginType((QuickLookGeneratorPluginType*)thisInstance );
return 0;
}else{
return ((QuickLookGeneratorPluginType*) thisInstance )->refCount;
}
}
// -----------------------------------------------------------------------------
// QuickLookGeneratorPluginFactory
// -----------------------------------------------------------------------------
void *QuickLookGeneratorPluginFactory(CFAllocatorRef allocator,CFUUIDRef typeID)
{
QuickLookGeneratorPluginType *result;
CFUUIDRef uuid;
/* If correct type is being requested, allocate an
* instance of kQLGeneratorTypeID and return the IUnknown interface.
*/
if (CFEqual(typeID,kQLGeneratorTypeID)){
uuid = CFUUIDCreateFromString(kCFAllocatorDefault,CFSTR(PLUGIN_ID));
result = AllocQuickLookGeneratorPluginType(uuid);
CFRelease(uuid);
return result;
}
/* If the requested type is incorrect, return NULL. */
return NULL;
}