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. 4 5#import "ui/base/dragdrop/cocoa_dnd_util.h" 6 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" 11 12namespace ui { 13 14NSString* const kChromeDragDummyPboardType = @"org.chromium.drag-dummy-type"; 15 16NSString* const kChromeDragImageHTMLPboardType = @"org.chromium.image-html"; 17 18BOOL PopulateURLAndTitleFromPasteboard(GURL* url, 19 base::string16* title, 20 NSPasteboard* pboard, 21 BOOL convert_filenames) { 22 CHECK(url); 23 24 // Bail out early if there's no URL data. 25 if (![pboard containsURLData]) 26 return NO; 27 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; 51} 52 53} // namespace ui 54