electron/atom/browser/ui/drag_util_mac.mm
2016-07-03 12:26:43 +09:00

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2.1 KiB
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// Copyright (c) 2016 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#import <Cocoa/Cocoa.h>
#include "atom/browser/ui/drag_util.h"
#include "base/files/file_path.h"
#include "base/strings/sys_string_conversions.h"
namespace atom {
namespace {
// Write information about the file being dragged to the pasteboard.
void AddFileToPasteboard(NSPasteboard* pasteboard, const base::FilePath& path) {
NSString* file = base::SysUTF8ToNSString(path.value());
NSArray* fileList = [NSArray arrayWithObject:file];
[pasteboard declareTypes:[NSArray arrayWithObject:NSFilenamesPboardType]
owner:nil];
[pasteboard setPropertyList:fileList forType:NSFilenamesPboardType];
}
} // namespace
void DragItem(const base::FilePath& path,
const gfx::Image& icon,
gfx::NativeView view) {
NSPasteboard* pasteboard = [NSPasteboard pasteboardWithName:NSDragPboard];
AddFileToPasteboard(pasteboard, path);
// Synthesize a drag event, since we don't have access to the actual event
// that initiated a drag (possibly consumed by the Web UI, for example).
NSPoint position = [[view window] mouseLocationOutsideOfEventStream];
NSTimeInterval eventTime = [[NSApp currentEvent] timestamp];
NSEvent* dragEvent = [NSEvent mouseEventWithType:NSLeftMouseDragged
location:position
modifierFlags:NSLeftMouseDraggedMask
timestamp:eventTime
windowNumber:[[view window] windowNumber]
context:nil
eventNumber:0
clickCount:1
pressure:1.0];
// Run the drag operation.
[[view window] dragImage:icon.ToNSImage()
at:position
offset:NSZeroSize
event:dragEvent
pasteboard:pasteboard
source:view
slideBack:YES];
}
} // namespace atom