macosx: re-implement drag & drop support for VLCVoutView (close #6604)

additionally, clean up misc.m and move code shared by VLCVoutView, VLBrushedMetalImageView and VLCThreePartDropView to VLCCoreInteraction
(cherry picked from commit c55ac4fe)

modules/gui/macosx/CoreInteraction.h

@@ -70,6 +70,8 @@
 - (int)volume;
 - (void)setVolume:(int)i_value;
 
+- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender;
+
 - (void)setAspectRatioLocked:(BOOL)b_value;
 - (BOOL)aspectRatioIsLocked;
 - (void)toggleFullscreen;

modules/gui/macosx/CoreInteraction.m

@@ -24,6 +24,7 @@
 #import "CoreInteraction.h"
 #import "intf.h"
 #import "open.h"
+#import "playlist.h"
 #import <vlc_playlist.h>
 #import <vlc_input.h>
 #import <vlc_keys.h>
@@ -31,6 +32,7 @@
 #import <vlc_aout_intf.h>
 #import <vlc/vlc.h>
 #import <vlc_strings.h>
+#import <vlc_url.h>
 
 @implementation VLCCoreInteraction
 static VLCCoreInteraction *_o_sharedInstance = nil;
@@ -549,6 +551,60 @@ static VLCCoreInteraction *_o_sharedInstance = nil;
     aout_VolumeSet( pl_Get( p_intf ), i_value );
 }
 
+#pragma mark -
+#pragma mark drag and drop support for VLCVoutView, VLBrushedMetalImageView and VLCThreePartDropView
+- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
+{
+    NSPasteboard *o_paste = [sender draggingPasteboard];
+    NSArray *o_types = [NSArray arrayWithObject: NSFilenamesPboardType];
+    NSString *o_desired_type = [o_paste availableTypeFromArray:o_types];
+    NSData *o_carried_data = [o_paste dataForType:o_desired_type];
+    BOOL b_autoplay = config_GetInt( VLCIntf, "macosx-autoplay" );
+
+    if( o_carried_data )
+    {
+        if ([o_desired_type isEqualToString:NSFilenamesPboardType])
+        {
+            NSArray *o_array = [NSArray array];
+            NSArray *o_values = [[o_paste propertyListForType: NSFilenamesPboardType] sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)];
+            NSUInteger count = [o_values count];
+
+            input_thread_t * p_input = pl_CurrentInput( VLCIntf );
+            BOOL b_returned = NO;
+
+            if (count == 1 && p_input)
+            {
+                b_returned = input_AddSubtitle( p_input, make_URI([[o_values objectAtIndex:0] UTF8String], NULL), true );
+                vlc_object_release( p_input );
+                if(!b_returned)
+                    return YES;
+            }
+            else if( p_input )
+                vlc_object_release( p_input );
+
+            for( NSUInteger i = 0; i < count; i++)
+            {
+                NSDictionary *o_dic;
+                char *psz_uri = make_URI([[o_values objectAtIndex:i] UTF8String], NULL);
+                if( !psz_uri )
+                    continue;
+
+                o_dic = [NSDictionary dictionaryWithObject:[NSString stringWithCString:psz_uri encoding:NSUTF8StringEncoding] forKey:@"ITEM_URL"];
+                free( psz_uri );
+
+                o_array = [o_array arrayByAddingObject: o_dic];
+            }
+            if( b_autoplay )
+                [[[VLCMain sharedInstance] playlist] appendArray: o_array atPos: -1 enqueue:NO];
+            else
+                [[[VLCMain sharedInstance] playlist] appendArray: o_array atPos: -1 enqueue:YES];
+
+            return YES;
+        }
+    }
+    return NO;
+}
+
 #pragma mark -
 #pragma mark video output stuff
 

modules/gui/macosx/VideoView.m

@@ -74,6 +74,50 @@ int DeviceCallback( vlc_object_t *p_this, const char *psz_variable,
  * VLCVoutView implementation
  *****************************************************************************/
 @implementation VLCVoutView
+
+#pragma mark -
+#pragma mark drag & drop support
+
+- (void)dealloc
+{
+    [self unregisterDraggedTypes];
+    [super dealloc];
+}
+
+- (void)awakeFromNib
+{
+    [self registerForDraggedTypes:[NSArray arrayWithObject: NSFilenamesPboardType]];
+}
+
+- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
+{
+    if ((NSDragOperationGeneric & [sender draggingSourceOperationMask]) == NSDragOperationGeneric)
+        return NSDragOperationGeneric;
+    return NSDragOperationNone;
+}
+
+- (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
+{
+    return YES;
+}
+
+- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
+{
+    BOOL b_returned;
+    b_returned = [[VLCCoreInteraction sharedInstance] performDragOperation: sender];
+
+    [self setNeedsDisplay:YES];
+    return b_returned;
+}
+
+- (void)concludeDragOperation:(id <NSDraggingInfo>)sender
+{
+    [self setNeedsDisplay:YES];
+}
+
+#pragma mark -
+#pragma mark vout actions
+
 - (void)closeVout
 {
     vout_thread_t * p_vout = getVout();

modules/gui/macosx/misc.h

@@ -23,7 +23,6 @@
  *****************************************************************************/
 
 #import <Cocoa/Cocoa.h>
-#import <ApplicationServices/ApplicationServices.h>
 #import "CompatibilityFixes.h"
 
 /*****************************************************************************

modules/gui/macosx/misc.m

@@ -22,17 +22,11 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
-#import <Cocoa/Cocoa.h>
-#import <Carbon/Carbon.h>
-
-#import "CompatibilityFixes.h"
+#import "misc.h"
 #import "intf.h"                                          /* VLCApplication */
 #import "MainWindow.h"
-#import "misc.h"
-#import "playlist.h"
 #import "controls.h"
 #import "CoreInteraction.h"
-#import <vlc_url.h>
 
 /*****************************************************************************
  * NSAnimation (VLCAdditions)
@@ -396,8 +390,7 @@ static NSMutableArray *blackoutWindows = NULL;
 
 - (void)awakeFromNib
 {
-    [self registerForDraggedTypes:[NSArray arrayWithObjects:NSTIFFPboardType,
-        NSFilenamesPboardType, nil]];
+    [self registerForDraggedTypes:[NSArray arrayWithObject: NSFilenamesPboardType]];
     [self setImageScaling: NSScaleToFit];
     [self setImageFrameStyle: NSImageFrameNone];
     [self setImageAlignment: NSImageAlignCenter];
@@ -405,15 +398,10 @@ static NSMutableArray *blackoutWindows = NULL;
 
 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
 {
-    if ((NSDragOperationGeneric & [sender draggingSourceOperationMask])
-                == NSDragOperationGeneric)
-    {
+    if ((NSDragOperationGeneric & [sender draggingSourceOperationMask]) == NSDragOperationGeneric)
         return NSDragOperationGeneric;
-    }
-    else
-    {
-        return NSDragOperationNone;
-    }
+
+    return NSDragOperationNone;
 }
 
 - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
@@ -423,54 +411,11 @@ static NSMutableArray *blackoutWindows = NULL;
 
 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
 {
-    NSPasteboard *o_paste = [sender draggingPasteboard];
-    NSArray *o_types = [NSArray arrayWithObjects: NSFilenamesPboardType, nil];
-    NSString *o_desired_type = [o_paste availableTypeFromArray:o_types];
-    NSData *o_carried_data = [o_paste dataForType:o_desired_type];
-    BOOL b_autoplay = config_GetInt( VLCIntf, "macosx-autoplay" );
-
-    if( o_carried_data )
-    {
-        if ([o_desired_type isEqualToString:NSFilenamesPboardType])
-        {
-            NSArray *o_array = [NSArray array];
-            NSArray *o_values = [[o_paste propertyListForType: NSFilenamesPboardType] sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)];
-            NSUInteger count = [o_values count];
-
-            input_thread_t * p_input = pl_CurrentInput( VLCIntf );
-            BOOL b_returned = NO;
-
-            if (count == 1 && p_input)
-            {
-                b_returned = input_AddSubtitle( p_input, make_URI([[o_values objectAtIndex:0] UTF8String], NULL), true );
-                vlc_object_release( p_input );
-                if(!b_returned)
-                    return YES;
-            }
-            else if( p_input )
-                vlc_object_release( p_input );
+    BOOL b_returned;
+    b_returned = [[VLCCoreInteraction sharedInstance] performDragOperation: sender];
 
-            for( NSUInteger i = 0; i < count; i++)
-            {
-                NSDictionary *o_dic;
-                char *psz_uri = make_URI([[o_values objectAtIndex:i] UTF8String], NULL);
-                if( !psz_uri )
-                    continue;
-
-                o_dic = [NSDictionary dictionaryWithObject:[NSString stringWithCString:psz_uri encoding:NSUTF8StringEncoding] forKey:@"ITEM_URL"];
-                free( psz_uri );
-
-                o_array = [o_array arrayByAddingObject: o_dic];
-            }
-            if( b_autoplay )
-                [[[VLCMain sharedInstance] playlist] appendArray: o_array atPos: -1 enqueue:NO];
-            else
-                [[[VLCMain sharedInstance] playlist] appendArray: o_array atPos: -1 enqueue:YES];
-            return YES;
-        }
-    }
     [self setNeedsDisplay:YES];
-    return YES;
+    return b_returned;
 }
 
 - (void)concludeDragOperation:(id <NSDraggingInfo>)sender
@@ -810,21 +755,15 @@ void _drawFrameInRect(NSRect frameRect)
 
 - (void)awakeFromNib
 {
-    [self registerForDraggedTypes:[NSArray arrayWithObjects:NSTIFFPboardType,
-                                   NSFilenamesPboardType, nil]];
+    [self registerForDraggedTypes:[NSArray arrayWithObject: NSFilenamesPboardType]];
 }
 
 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
 {
-    if ((NSDragOperationGeneric & [sender draggingSourceOperationMask])
-        == NSDragOperationGeneric)
-    {
+    if ((NSDragOperationGeneric & [sender draggingSourceOperationMask]) == NSDragOperationGeneric)
         return NSDragOperationGeneric;
-    }
-    else
-    {
-        return NSDragOperationNone;
-    }
+
+    return NSDragOperationNone;
 }
 
 - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
@@ -834,52 +773,9 @@ void _drawFrameInRect(NSRect frameRect)
 
 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
 {
-    NSPasteboard *o_paste = [sender draggingPasteboard];
-    NSArray *o_types = [NSArray arrayWithObjects: NSFilenamesPboardType, nil];
-    NSString *o_desired_type = [o_paste availableTypeFromArray:o_types];
-    NSData *o_carried_data = [o_paste dataForType:o_desired_type];
-    BOOL b_autoplay = config_GetInt( VLCIntf, "macosx-autoplay" );
-
-    if( o_carried_data )
-    {
-        if ([o_desired_type isEqualToString:NSFilenamesPboardType])
-        {
-            NSArray *o_array = [NSArray array];
-            NSArray *o_values = [[o_paste propertyListForType: NSFilenamesPboardType] sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)];
-            NSUInteger count = [o_values count];
+    BOOL b_returned;
+    b_returned = [[VLCCoreInteraction sharedInstance] performDragOperation: sender];
 
-            input_thread_t * p_input = pl_CurrentInput( VLCIntf );
-            BOOL b_returned = NO;
-
-            if (count == 1 && p_input)
-            {
-                b_returned = input_AddSubtitle( p_input, make_URI([[o_values objectAtIndex:0] UTF8String], NULL), true );
-                vlc_object_release( p_input );
-                if(!b_returned)
-                    return YES;
-            }
-            else if( p_input )
-                vlc_object_release( p_input );
-
-            for( NSUInteger i = 0; i < count; i++)
-            {
-                NSDictionary *o_dic;
-                char *psz_uri = make_URI([[o_values objectAtIndex:i] UTF8String], NULL);
-                if( !psz_uri )
-                    continue;
-
-                o_dic = [NSDictionary dictionaryWithObject:[NSString stringWithCString:psz_uri encoding:NSUTF8StringEncoding] forKey:@"ITEM_URL"];
-                free( psz_uri );
-
-                o_array = [o_array arrayByAddingObject: o_dic];
-            }
-            if( b_autoplay )
-                [[[VLCMain sharedInstance] playlist] appendArray: o_array atPos: -1 enqueue:NO];
-            else
-                [[[VLCMain sharedInstance] playlist] appendArray: o_array atPos: -1 enqueue:YES];
-            return YES;
-        }
-    }
     [self setNeedsDisplay:YES];
     return YES;
 }