257 lines
9.4 KiB
Text
257 lines
9.4 KiB
Text
// Copyright (c) 2013 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/common/platform_util.h"
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#import <Carbon/Carbon.h>
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#import <Cocoa/Cocoa.h>
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#include "base/callback.h"
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#include "base/files/file_path.h"
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#include "base/files/file_util.h"
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#include "base/logging.h"
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#include "base/mac/foundation_util.h"
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#include "base/mac/mac_logging.h"
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#include "base/mac/scoped_aedesc.h"
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#include "base/strings/stringprintf.h"
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#include "base/strings/sys_string_conversions.h"
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#include "net/base/mac/url_conversions.h"
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#include "url/gurl.h"
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namespace {
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std::string MessageForOSStatus(OSStatus status, const char* default_message) {
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switch (status) {
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case kLSAppInTrashErr:
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return "The application cannot be run because it is inside a Trash "
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"folder.";
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case kLSUnknownErr:
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return "An unknown error has occurred.";
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case kLSNotAnApplicationErr:
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return "The item to be registered is not an application.";
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case kLSNotInitializedErr:
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return "Formerly returned by LSInit on initialization failure; "
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"no longer used.";
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case kLSDataUnavailableErr:
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return "Data of the desired type is not available (for example, there is "
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"no kind string).";
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case kLSApplicationNotFoundErr:
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return "No application in the Launch Services database matches the input "
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"criteria.";
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case kLSDataErr:
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return "Data is structured improperly (for example, an item’s "
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"information property list is malformed). Not used in macOS 10.4.";
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case kLSLaunchInProgressErr:
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return "A launch of the application is already in progress.";
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case kLSServerCommunicationErr:
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return "There is a problem communicating with the server process that "
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"maintains the Launch Services database.";
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case kLSCannotSetInfoErr:
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return "The filename extension to be hidden cannot be hidden.";
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case kLSIncompatibleSystemVersionErr:
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return "The application to be launched cannot run on the current Mac OS "
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"version.";
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case kLSNoLaunchPermissionErr:
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return "The user does not have permission to launch the application (on a"
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"managed network).";
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case kLSNoExecutableErr:
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return "The executable file is missing or has an unusable format.";
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case kLSNoClassicEnvironmentErr:
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return "The Classic emulation environment was required but is not "
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"available.";
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case kLSMultipleSessionsNotSupportedErr:
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return "The application to be launched cannot run simultaneously in two "
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"different user sessions.";
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default:
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return base::StringPrintf("%s (%d)", default_message, status);
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}
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}
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// This may be called from a global dispatch queue, the methods used here are
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// thread safe, including LSGetApplicationForURL (> 10.2) and
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// NSWorkspace#openURLs.
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std::string OpenURL(NSURL* ns_url, bool activate) {
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CFURLRef openingApp = nullptr;
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OSStatus status = LSGetApplicationForURL(base::mac::NSToCFCast(ns_url),
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kLSRolesAll,
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nullptr,
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&openingApp);
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if (status != noErr)
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return MessageForOSStatus(status, "Failed to open");
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CFRelease(openingApp); // NOT A BUG; LSGetApplicationForURL retains for us
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NSUInteger launchOptions = NSWorkspaceLaunchDefault;
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if (!activate)
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launchOptions |= NSWorkspaceLaunchWithoutActivation;
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bool opened = [[NSWorkspace sharedWorkspace]
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openURLs:@[ns_url]
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withAppBundleIdentifier:nil
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options:launchOptions
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additionalEventParamDescriptor:nil
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launchIdentifiers:nil];
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if (!opened)
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return "Failed to open URL";
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return "";
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}
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} // namespace
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namespace platform_util {
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bool ShowItemInFolder(const base::FilePath& path) {
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// The API only takes absolute path.
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base::FilePath full_path =
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path.IsAbsolute() ? path : base::MakeAbsoluteFilePath(path);
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DCHECK([NSThread isMainThread]);
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NSString* path_string = base::SysUTF8ToNSString(full_path.value());
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if (!path_string || ![[NSWorkspace sharedWorkspace] selectFile:path_string
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inFileViewerRootedAtPath:@""]) {
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LOG(WARNING) << "NSWorkspace failed to select file " << full_path.value();
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return false;
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}
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return true;
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}
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// This function opens a file. This doesn't use LaunchServices or NSWorkspace
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// because of two bugs:
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// 1. Incorrect app activation with com.apple.quarantine:
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// http://crbug.com/32921
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// 2. Silent no-op for unassociated file types: http://crbug.com/50263
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// Instead, an AppleEvent is constructed to tell the Finder to open the
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// document.
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bool OpenItem(const base::FilePath& full_path) {
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DCHECK([NSThread isMainThread]);
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NSString* path_string = base::SysUTF8ToNSString(full_path.value());
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if (!path_string)
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return false;
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// Create the target of this AppleEvent, the Finder.
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base::mac::ScopedAEDesc<AEAddressDesc> address;
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const OSType finderCreatorCode = 'MACS';
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OSErr status = AECreateDesc(typeApplSignature, // type
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&finderCreatorCode, // data
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sizeof(finderCreatorCode), // dataSize
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address.OutPointer()); // result
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if (status != noErr) {
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OSSTATUS_LOG(WARNING, status) << "Could not create OpenItem() AE target";
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return false;
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}
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// Build the AppleEvent data structure that instructs Finder to open files.
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base::mac::ScopedAEDesc<AppleEvent> theEvent;
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status = AECreateAppleEvent(kCoreEventClass, // theAEEventClass
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kAEOpenDocuments, // theAEEventID
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address, // target
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kAutoGenerateReturnID, // returnID
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kAnyTransactionID, // transactionID
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theEvent.OutPointer()); // result
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if (status != noErr) {
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OSSTATUS_LOG(WARNING, status) << "Could not create OpenItem() AE event";
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return false;
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}
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// Create the list of files (only ever one) to open.
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base::mac::ScopedAEDesc<AEDescList> fileList;
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status = AECreateList(nullptr, // factoringPtr
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0, // factoredSize
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false, // isRecord
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fileList.OutPointer()); // resultList
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if (status != noErr) {
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OSSTATUS_LOG(WARNING, status) << "Could not create OpenItem() AE file list";
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return false;
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}
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// Add the single path to the file list. C-style cast to avoid both a
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// static_cast and a const_cast to get across the toll-free bridge.
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CFURLRef pathURLRef = base::mac::NSToCFCast(
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[NSURL fileURLWithPath:path_string]);
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FSRef pathRef;
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if (CFURLGetFSRef(pathURLRef, &pathRef)) {
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status = AEPutPtr(fileList.OutPointer(), // theAEDescList
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0, // index
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typeFSRef, // typeCode
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&pathRef, // dataPtr
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sizeof(pathRef)); // dataSize
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if (status != noErr) {
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OSSTATUS_LOG(WARNING, status)
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<< "Could not add file path to AE list in OpenItem()";
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return false;
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}
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} else {
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LOG(WARNING) << "Could not get FSRef for path URL in OpenItem()";
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return false;
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}
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// Attach the file list to the AppleEvent.
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status = AEPutParamDesc(theEvent.OutPointer(), // theAppleEvent
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keyDirectObject, // theAEKeyword
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fileList); // theAEDesc
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if (status != noErr) {
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OSSTATUS_LOG(WARNING, status)
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<< "Could not put the AE file list the path in OpenItem()";
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return false;
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}
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// Send the actual event. Do not care about the reply.
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base::mac::ScopedAEDesc<AppleEvent> reply;
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status = AESend(theEvent, // theAppleEvent
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reply.OutPointer(), // reply
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kAENoReply + kAEAlwaysInteract, // sendMode
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kAENormalPriority, // sendPriority
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kAEDefaultTimeout, // timeOutInTicks
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nullptr, // idleProc
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nullptr); // filterProc
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if (status != noErr) {
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OSSTATUS_LOG(WARNING, status)
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<< "Could not send AE to Finder in OpenItem()";
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}
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return status == noErr;
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}
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bool OpenExternal(const GURL& url, bool activate) {
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DCHECK([NSThread isMainThread]);
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NSURL* ns_url = net::NSURLWithGURL(url);
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if (ns_url)
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return OpenURL(ns_url, activate).empty();
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return false;
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}
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void OpenExternal(const GURL& url, bool activate,
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const OpenExternalCallback& callback) {
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NSURL* ns_url = net::NSURLWithGURL(url);
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if (!ns_url) {
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callback.Run("Invalid URL");
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return;
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}
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__block OpenExternalCallback c = callback;
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dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
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__block std::string error = OpenURL(ns_url, activate);
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dispatch_async(dispatch_get_main_queue(), ^{
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c.Run(error);
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});
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});
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}
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bool MoveItemToTrash(const base::FilePath& full_path) {
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NSString* path_string = base::SysUTF8ToNSString(full_path.value());
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BOOL status = [[NSFileManager defaultManager]
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trashItemAtURL:[NSURL fileURLWithPath:path_string]
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resultingItemURL:nil
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error:nil];
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if (!path_string || !status)
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LOG(WARNING) << "NSWorkspace failed to move file " << full_path.value()
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<< " to trash";
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return status;
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}
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void Beep() {
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NSBeep();
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}
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} // namespace platform_util
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