blob: 8c83349613394aec0d307ba70a0a08cf25b21651 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import <Cocoa/Cocoa.h>
#include "base/file_path.h"
#include "base/memory/scoped_nsobject.h"
#include "base/memory/scoped_ptr.h"
#include "googleurl/src/gurl.h"
struct WebDropData;
namespace content {
class WebContentsImpl;
}
// A class that handles tracking and event processing for a drag and drop
// originating from the content area.
@interface WebDragSource : NSObject {
@private
// Our contents. Weak reference (owns or co-owns us).
content::WebContentsImpl* contents_;
// The view from which the drag was initiated. Weak reference.
NSView* contentsView_;
// Our drop data. Should only be initialized once.
scoped_ptr<WebDropData> dropData_;
// The image to show as drag image. Can be nil.
scoped_nsobject<NSImage> dragImage_;
// The offset to draw |dragImage_| at.
NSPoint imageOffset_;
// Our pasteboard.
scoped_nsobject<NSPasteboard> pasteboard_;
// A mask of the allowed drag operations.
NSDragOperation dragOperationMask_;
// The file name to be saved to for a drag-out download.
FilePath downloadFileName_;
// The URL to download from for a drag-out download.
GURL downloadURL_;
// The file extension associated with the file drag, if any.
NSString* fileExtension_;
}
// Initialize a WebDragSource object for a drag (originating on the given
// contentsView and with the given dropData and pboard). Fill the pasteboard
// with data types appropriate for dropData.
- (id)initWithContents:(content::WebContentsImpl*)contents
view:(NSView*)contentsView
dropData:(const WebDropData*)dropData
image:(NSImage*)image
offset:(NSPoint)offset
pasteboard:(NSPasteboard*)pboard
dragOperationMask:(NSDragOperation)dragOperationMask;
// Call when the web contents is gone.
- (void)clearWebContentsView;
// Returns a mask of the allowed drag operations.
- (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal;
// Call when asked to do a lazy write to the pasteboard; hook up to
// -pasteboard:provideDataForType: (on the contentsView).
- (void)lazyWriteToPasteboard:(NSPasteboard*)pboard
forType:(NSString*)type;
// Start the drag (on the originally provided contentsView); can do this right
// after -initWithContentsView:....
- (void)startDrag;
// End the drag and clear the pasteboard; hook up to
// -draggedImage:endedAt:operation:.
- (void)endDragAt:(NSPoint)screenPoint
operation:(NSDragOperation)operation;
// Drag moved; hook up to -draggedImage:movedTo:.
- (void)moveDragTo:(NSPoint)screenPoint;
// Call to drag a promised file to the given path (should be called before
// -endDragAt:...); hook up to -namesOfPromisedFilesDroppedAtDestination:.
// Returns the file name (not including path) of the file deposited (or which
// will be deposited).
- (NSString*)dragPromisedFileTo:(NSString*)path;
@end
|
