Supervised user whitelists: Cleanup
[chromium-blink-merge.git] / ui / base / dragdrop / cocoa_dnd_util.mm
blobbd639801db729b0ed234c90bf235eb2ed64d5839
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #import "ui/base/dragdrop/cocoa_dnd_util.h"
7 #include "base/logging.h"
8 #include "base/strings/sys_string_conversions.h"
9 #import "third_party/mozilla/NSPasteboard+Utils.h"
10 #include "url/gurl.h"
12 namespace ui {
14 NSString* const kChromeDragDummyPboardType = @"org.chromium.drag-dummy-type";
16 NSString* const kChromeDragImageHTMLPboardType = @"org.chromium.image-html";
18 BOOL PopulateURLAndTitleFromPasteboard(GURL* url,
19                                        base::string16* title,
20                                        NSPasteboard* pboard,
21                                        BOOL convert_filenames) {
22   CHECK(url);
24   // Bail out early if there's no URL data.
25   if (![pboard containsURLData])
26     return NO;
28   // -getURLs:andTitles:convertingFilenames: will already validate URIs so we
29   // don't need to again. The arrays returned are both of NSStrings.
30   NSArray* url_array = nil;
31   NSArray* title_array = nil;
32   [pboard getURLs:&url_array andTitles:&title_array
33       convertingFilenames:convert_filenames];
34   DCHECK_EQ([url_array count], [title_array count]);
35   // It's possible that no URLs were actually provided!
36   if (![url_array count])
37     return NO;
38   NSString* url_string = [url_array objectAtIndex:0];
39   if ([url_string length]) {
40     // Check again just to make sure to not assign NULL into a std::string,
41     // which throws an exception.
42     const char* utf8_url = [url_string UTF8String];
43     if (utf8_url) {
44       *url = GURL(utf8_url);
45       // Extra paranoia check.
46       if (title && [title_array count])
47         *title = base::SysNSStringToUTF16([title_array objectAtIndex:0]);
48     }
49   }
50   return YES;
53 }  // namespace ui