electron/atom/common/platform_util_mac.mm
2015-12-17 16:23:30 +01:00

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5.8 KiB
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// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/common/platform_util.h"
#include <Carbon/Carbon.h>
#import <Cocoa/Cocoa.h>
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/mac/mac_logging.h"
#include "base/mac/scoped_aedesc.h"
#include "base/strings/sys_string_conversions.h"
#include "url/gurl.h"
namespace platform_util {
void ShowItemInFolder(const base::FilePath& full_path) {
DCHECK([NSThread isMainThread]);
NSString* path_string = base::SysUTF8ToNSString(full_path.value());
if (!path_string || ![[NSWorkspace sharedWorkspace] selectFile:path_string
inFileViewerRootedAtPath:@""])
LOG(WARNING) << "NSWorkspace failed to select file " << full_path.value();
}
// This function opens a file. This doesn't use LaunchServices or NSWorkspace
// because of two bugs:
// 1. Incorrect app activation with com.apple.quarantine:
// http://crbug.com/32921
// 2. Silent no-op for unassociated file types: http://crbug.com/50263
// Instead, an AppleEvent is constructed to tell the Finder to open the
// document.
void OpenItem(const base::FilePath& full_path) {
DCHECK([NSThread isMainThread]);
NSString* path_string = base::SysUTF8ToNSString(full_path.value());
if (!path_string)
return;
// Create the target of this AppleEvent, the Finder.
base::mac::ScopedAEDesc<AEAddressDesc> address;
const OSType finderCreatorCode = 'MACS';
OSErr status = AECreateDesc(typeApplSignature, // type
&finderCreatorCode, // data
sizeof(finderCreatorCode), // dataSize
address.OutPointer()); // result
if (status != noErr) {
OSSTATUS_LOG(WARNING, status) << "Could not create OpenItem() AE target";
return;
}
// Build the AppleEvent data structure that instructs Finder to open files.
base::mac::ScopedAEDesc<AppleEvent> theEvent;
status = AECreateAppleEvent(kCoreEventClass, // theAEEventClass
kAEOpenDocuments, // theAEEventID
address, // target
kAutoGenerateReturnID, // returnID
kAnyTransactionID, // transactionID
theEvent.OutPointer()); // result
if (status != noErr) {
OSSTATUS_LOG(WARNING, status) << "Could not create OpenItem() AE event";
return;
}
// Create the list of files (only ever one) to open.
base::mac::ScopedAEDesc<AEDescList> fileList;
status = AECreateList(NULL, // factoringPtr
0, // factoredSize
false, // isRecord
fileList.OutPointer()); // resultList
if (status != noErr) {
OSSTATUS_LOG(WARNING, status) << "Could not create OpenItem() AE file list";
return;
}
// Add the single path to the file list. C-style cast to avoid both a
// static_cast and a const_cast to get across the toll-free bridge.
CFURLRef pathURLRef = (CFURLRef)[NSURL fileURLWithPath:path_string];
FSRef pathRef;
if (CFURLGetFSRef(pathURLRef, &pathRef)) {
status = AEPutPtr(fileList.OutPointer(), // theAEDescList
0, // index
typeFSRef, // typeCode
&pathRef, // dataPtr
sizeof(pathRef)); // dataSize
if (status != noErr) {
OSSTATUS_LOG(WARNING, status)
<< "Could not add file path to AE list in OpenItem()";
return;
}
} else {
LOG(WARNING) << "Could not get FSRef for path URL in OpenItem()";
return;
}
// Attach the file list to the AppleEvent.
status = AEPutParamDesc(theEvent.OutPointer(), // theAppleEvent
keyDirectObject, // theAEKeyword
fileList); // theAEDesc
if (status != noErr) {
OSSTATUS_LOG(WARNING, status)
<< "Could not put the AE file list the path in OpenItem()";
return;
}
// Send the actual event. Do not care about the reply.
base::mac::ScopedAEDesc<AppleEvent> reply;
status = AESend(theEvent, // theAppleEvent
reply.OutPointer(), // reply
kAENoReply + kAEAlwaysInteract, // sendMode
kAENormalPriority, // sendPriority
kAEDefaultTimeout, // timeOutInTicks
NULL, // idleProc
NULL); // filterProc
if (status != noErr) {
OSSTATUS_LOG(WARNING, status)
<< "Could not send AE to Finder in OpenItem()";
}
}
bool OpenExternal(const GURL& url) {
DCHECK([NSThread isMainThread]);
NSString* url_string = base::SysUTF8ToNSString(url.spec());
NSString* url_escaped_string = [url_string stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURL* ns_url = [NSURL URLWithString:url_escaped_string];
if (!ns_url) {
return false;
}
CFURLRef openingApp = NULL;
OSStatus status = LSGetApplicationForURL((CFURLRef)ns_url,
kLSRolesAll,
NULL,
&openingApp);
if (status != noErr) {
return false;
}
CFRelease(openingApp); // NOT A BUG; LSGetApplicationForURL retains for us
return [[NSWorkspace sharedWorkspace] openURL:ns_url];
}
bool MoveItemToTrash(const base::FilePath& full_path) {
NSString* path_string = base::SysUTF8ToNSString(full_path.value());
BOOL status = [[NSFileManager defaultManager]
trashItemAtURL:[NSURL fileURLWithPath:path_string]
resultingItemURL:nil
error:nil];
if (!path_string || !status)
LOG(WARNING) << "NSWorkspace failed to move file " << full_path.value()
<< " to trash";
return status;
}
void Beep() {
NSBeep();
}
} // namespace platform_util