| /* |
| * Copyright (C) 2005, 2006, 2014 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "WebStringTruncator.h" |
| |
| #import <JavaScriptCore/InitializeThreading.h> |
| #import <WebCore/FontCascade.h> |
| #import <WebCore/FontPlatformData.h> |
| #import <WebCore/StringTruncator.h> |
| #import <wtf/MainThread.h> |
| #import <wtf/NeverDestroyed.h> |
| |
| static WebCore::FontCascade& fontFromNSFont(NSFont *font) |
| { |
| static NeverDestroyed<RetainPtr<NSFont>> currentNSFont; |
| static NeverDestroyed<WebCore::FontCascade> currentFont; |
| if ([font isEqual:currentNSFont.get().get()]) |
| return currentFont; |
| currentNSFont.get() = font; |
| currentFont.get() = WebCore::FontCascade(WebCore::FontPlatformData(reinterpret_cast<CTFontRef>(font), [font pointSize])); |
| return currentFont; |
| } |
| |
| @implementation WebStringTruncator |
| |
| + (void)initialize |
| { |
| JSC::initializeThreading(); |
| WTF::initializeMainThreadToProcessMainThread(); |
| } |
| |
| + (NSString *)centerTruncateString:(NSString *)string toWidth:(float)maxWidth |
| { |
| static NSFont *menuFont = [[NSFont menuFontOfSize:0] retain]; |
| |
| ASSERT(menuFont); |
| if (!menuFont) |
| return nil; |
| |
| return WebCore::StringTruncator::centerTruncate(string, maxWidth, fontFromNSFont(menuFont)); |
| } |
| |
| + (NSString *)centerTruncateString:(NSString *)string toWidth:(float)maxWidth withFont:(NSFont *)font |
| { |
| if (!font) |
| return nil; |
| |
| return WebCore::StringTruncator::centerTruncate(string, maxWidth, fontFromNSFont(font)); |
| } |
| |
| + (NSString *)rightTruncateString:(NSString *)string toWidth:(float)maxWidth withFont:(NSFont *)font |
| { |
| if (!font) |
| return nil; |
| |
| return WebCore::StringTruncator::rightTruncate(string, maxWidth, fontFromNSFont(font)); |
| } |
| |
| + (float)widthOfString:(NSString *)string font:(NSFont *)font |
| { |
| if (!font) |
| return 0; |
| |
| return WebCore::StringTruncator::width(string, fontFromNSFont(font)); |
| } |
| |
| @end |