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// Copyright (c) 2006-2008 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.
#include "base/clipboard.h"
#import <Cocoa/Cocoa.h>
#include "base/logging.h"
#include "base/string_util.h"
#include "base/sys_string_conversions.h"
namespace {
// Would be nice if this were in UTCoreTypes.h, but it isn't
const NSString* kUTTypeURLName = @"public.url-name";
NSPasteboard* GetPasteboard() {
// The pasteboard should not be nil in a UI session, but this handy DCHECK
// can help track down problems if someone tries using clipboard code outside
// of a UI session.
NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
DCHECK(pasteboard);
return pasteboard;
}
} // namespace
Clipboard::Clipboard() {
}
Clipboard::~Clipboard() {
}
void Clipboard::Clear() {
NSPasteboard* pb = GetPasteboard();
[pb declareTypes:[NSArray array] owner:nil];
}
void Clipboard::WriteText(const std::wstring& text) {
NSPasteboard* pb = GetPasteboard();
[pb addTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
[pb setString:base::SysWideToNSString(text) forType:NSStringPboardType];
}
void Clipboard::WriteHTML(const std::wstring& markup,
const std::string& src_url) {
// TODO(avi): src_url?
NSPasteboard* pb = GetPasteboard();
[pb addTypes:[NSArray arrayWithObject:NSHTMLPboardType] owner:nil];
[pb setString:base::SysWideToNSString(markup) forType:NSHTMLPboardType];
}
void Clipboard::WriteBookmark(const std::wstring& title,
const std::string& url) {
WriteHyperlink(title, url);
}
void Clipboard::WriteHyperlink(const std::wstring& title,
const std::string& url) {
// TODO(playmobil): In the Windows version of this function, an HTML
// representation of the bookmark is also added to the clipboard, to support
// drag and drop of web shortcuts. I don't think we need to do this on the
// Mac, but we should double check later on.
NSURL* nsurl = [NSURL URLWithString:
[NSString stringWithUTF8String:url.c_str()]];
NSString* nstitle = base::SysWideToNSString(title);
NSPasteboard* pb = GetPasteboard();
// passing UTIs into the pasteboard methods is valid >= 10.5
[pb addTypes:[NSArray arrayWithObjects:NSURLPboardType,
kUTTypeURLName,
nil]
owner:nil];
[nsurl writeToPasteboard:pb];
[pb setString:nstitle forType:kUTTypeURLName];
}
void Clipboard::WriteFile(const std::wstring& file) {
std::vector<std::wstring> files;
files.push_back(file);
WriteFiles(files);
}
void Clipboard::WriteFiles(const std::vector<std::wstring>& files) {
NSMutableArray* fileList = [NSMutableArray arrayWithCapacity:files.size()];
for (size_t i = 0; i < files.size(); ++i) {
[fileList addObject:base::SysWideToNSString(files[i])];
}
NSPasteboard* pb = GetPasteboard();
[pb addTypes:[NSArray arrayWithObject:NSFilenamesPboardType] owner:nil];
[pb setPropertyList:fileList forType:NSFilenamesPboardType];
}
bool Clipboard::IsFormatAvailable(NSString* format) const {
NSPasteboard* pb = GetPasteboard();
NSArray* types = [pb types];
return [types containsObject:format];
}
void Clipboard::ReadText(std::wstring* result) const {
NSPasteboard* pb = GetPasteboard();
NSString* contents = [pb stringForType:NSStringPboardType];
UTF8ToWide([contents UTF8String],
[contents lengthOfBytesUsingEncoding:NSUTF8StringEncoding],
result);
}
void Clipboard::ReadAsciiText(std::string* result) const {
NSPasteboard* pb = GetPasteboard();
NSString* contents = [pb stringForType:NSStringPboardType];
if (!contents)
result->clear();
else
result->assign([contents UTF8String]);
}
void Clipboard::ReadHTML(std::wstring* markup, std::string* src_url) const {
if (markup) {
NSPasteboard* pb = GetPasteboard();
NSArray *supportedTypes = [NSArray arrayWithObjects:NSHTMLPboardType,
NSStringPboardType,
nil];
NSString *bestType = [pb availableTypeFromArray:supportedTypes];
NSString* contents = [pb stringForType:bestType];
UTF8ToWide([contents UTF8String],
[contents lengthOfBytesUsingEncoding:NSUTF8StringEncoding],
markup);
}
// TODO(avi): src_url?
if (src_url)
src_url->clear();
}
void Clipboard::ReadBookmark(std::wstring* title, std::string* url) const {
NSPasteboard* pb = GetPasteboard();
if (title) {
NSString* contents = [pb stringForType:kUTTypeURLName];
UTF8ToWide([contents UTF8String],
[contents lengthOfBytesUsingEncoding:NSUTF8StringEncoding],
title);
}
if (url) {
NSString* url_string = [[NSURL URLFromPasteboard:pb] absoluteString];
if (!url_string)
url->clear();
else
url->assign([url_string UTF8String]);
}
}
void Clipboard::ReadFile(std::wstring* file) const {
if (!file) {
NOTREACHED();
return;
}
file->clear();
std::vector<std::wstring> files;
ReadFiles(&files);
// Take the first file, if available.
if (!files.empty())
file->assign(files[0]);
}
void Clipboard::ReadFiles(std::vector<std::wstring>* files) const {
if (!files) {
NOTREACHED();
return;
}
files->clear();
NSPasteboard* pb = GetPasteboard();
NSArray* fileList = [pb propertyListForType:NSFilenamesPboardType];
for (unsigned int i = 0; i < [fileList count]; ++i) {
std::wstring file = UTF8ToWide([[fileList objectAtIndex:i] UTF8String]);
files->push_back(file);
}
}
// static
Clipboard::FormatType Clipboard::GetUrlFormatType() {
return NSURLPboardType;
}
// static
Clipboard::FormatType Clipboard::GetUrlWFormatType() {
return NSURLPboardType;
}
// static
Clipboard::FormatType Clipboard::GetPlainTextFormatType() {
return NSStringPboardType;
}
// static
Clipboard::FormatType Clipboard::GetPlainTextWFormatType() {
return NSStringPboardType;
}
// static
Clipboard::FormatType Clipboard::GetFilenameFormatType() {
return NSFilenamesPboardType;
}
// static
Clipboard::FormatType Clipboard::GetFilenameWFormatType() {
return NSFilenamesPboardType;
}
// static
Clipboard::FormatType Clipboard::GetHtmlFormatType() {
return NSHTMLPboardType;
}
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