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// Copyright (c) 2009 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 "ui/base/cocoa/find_pasteboard.h"
#include "base/logging.h"
#include "base/strings/sys_string_conversions.h"
NSString* kFindPasteboardChangedNotification =
@"kFindPasteboardChangedNotification_Chrome";
@implementation FindPasteboard
+ (FindPasteboard*)sharedInstance {
static FindPasteboard* instance = nil;
if (!instance) {
instance = [[FindPasteboard alloc] init];
}
return instance;
}
- (id)init {
if ((self = [super init])) {
findText_.reset([[NSString alloc] init]);
// Check if the text in the findboard has changed on app activate.
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(loadTextFromPasteboard:)
name:NSApplicationDidBecomeActiveNotification
object:nil];
[self loadTextFromPasteboard:nil];
}
return self;
}
- (void)dealloc {
// Since this is a singleton, this should only be executed in test code.
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
}
- (NSPasteboard*)findPboard {
return [NSPasteboard pasteboardWithName:NSFindPboard];
}
- (void)loadTextFromPasteboard:(NSNotification*)notification {
NSPasteboard* findPboard = [self findPboard];
if ([[findPboard types] containsObject:NSStringPboardType])
[self setFindText:[findPboard stringForType:NSStringPboardType]];
}
- (NSString*)findText {
return findText_;
}
- (void)setFindText:(NSString*)newText {
DCHECK(newText);
if (!newText)
return;
DCHECK([NSThread isMainThread]);
BOOL needToSendNotification = ![findText_.get() isEqualToString:newText];
if (needToSendNotification) {
findText_.reset([newText copy]);
NSPasteboard* findPboard = [self findPboard];
[findPboard declareTypes:[NSArray arrayWithObject:NSStringPboardType]
owner:nil];
[findPboard setString:findText_.get() forType:NSStringPboardType];
[[NSNotificationCenter defaultCenter]
postNotificationName:kFindPasteboardChangedNotification
object:self];
}
}
@end
base::string16 GetFindPboardText() {
return base::SysNSStringToUTF16([[FindPasteboard sharedInstance] findText]);
}
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