Fix some warnings

[lyx.git] / src / support / os_unix.cpp

diff --git a/src/support/os_unix.cpp b/src/support/os_unix.cpp
index 34cfd478a61650ce9bcb0beec5a204886bd34dee..3f16dd86563588e5e4ed6da5e6f952c9cf05f1db 100644 (file)
--- a/src/support/os_unix.cpp
+++ b/src/support/os_unix.cpp
@@ -221,32 +221,46 @@ char path_separator(path_type)
 void windows_style_tex_paths(bool)
 {}
 
+
+#ifdef __APPLE__
+bool canAutoOpenFile(CFStringRef cfs_uti, LSRolesMask role)
+{
+       // Reference:
+       // https://developer.apple.com/reference/coreservices/1447734-lscopydefaultapplicationurlforco
+       CFURLRef outAppRef = LSCopyDefaultApplicationURLForContentType(cfs_uti, role, NULL);
+
+       if (outAppRef == NULL) return false;
+       CFRelease(outAppRef);
+       return true;
+}
+#endif
+
 bool canAutoOpenFile(string const & ext, auto_open_mode const mode)
 {
 #ifdef __APPLE__
-// Reference: http://developer.apple.com/documentation/Carbon/Reference/LaunchServicesReference/
+       // References:
+       // https://developer.apple.com/reference/coreservices/1447734-lscopydefaultapplicationurlforco
        CFStringRef cfs_ext = CFStringCreateWithBytes(kCFAllocatorDefault,
                                        (UInt8 *) ext.c_str(), ext.length(),
                                        kCFStringEncodingISOLatin1, false);
-       // this is what we would like to do but it seems that the
-       // viewer for PDF is often quicktime...
-       //LSRolesMask role = (mode == VIEW) ? kLSRolesViewer :  kLSRolesEditor;
-       (void)mode;
-       LSRolesMask role = kLSRolesAll;
-       FSRef outAppRef;
-       OSStatus status =
-               LSGetApplicationForInfo(kLSUnknownType, kLSUnknownCreator,
-                                       cfs_ext, role, &outAppRef, NULL);
+       CFStringRef cfs_uti = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, cfs_ext, NULL);
        CFRelease(cfs_ext);
+       if (cfs_uti == NULL) return false;
+
+       LSRolesMask role = (mode == VIEW) ? kLSRolesViewer :  kLSRolesEditor;
+       bool result = canAutoOpenFile(cfs_uti, role);
+       if (!result && mode == VIEW)
+               result = canAutoOpenFile(cfs_uti, kLSRolesEditor);
 
-       return status != kLSApplicationNotFoundErr;
+       CFRelease(cfs_uti);
+       return result;
 #else
        // silence compiler warnings
        (void)ext;
        (void)mode;
 
-       // currently, no default viewer is tried for non-windows system
-       // support for KDE/Gnome/Macintosh may be added later
+       // currently, no default viewer is tried for non-apple system
+       // support for KDE/Gnome may be added later
        return false;
 #endif
 }
@@ -261,14 +275,11 @@ bool autoOpenFile(string const & filename, auto_open_mode const mode,
        // viewer for PDF is often quicktime...
        //LSRolesMask role = (mode == VIEW) ? kLSRolesViewer :  kLSRolesEditor;
        (void)mode;
-       LSRolesMask role = kLSRolesAll;
+       LSRolesMask role = (mode == VIEW) ? kLSRolesAll :  kLSRolesEditor;
 
        CFURLRef docURL = CFURLCreateFromFileSystemRepresentation(
                NULL, (UInt8 *) filename.c_str(), filename.size(), false);
-       CFURLRef appURL;
-       OSStatus status = LSGetApplicationForURL(docURL, role, NULL, &appURL);
-       if (status == kLSApplicationNotFoundErr)
-               return false;
+       CFURLRef appURL = LSCopyDefaultApplicationURLForURL(docURL, role, NULL);
 
        CFURLRef docURLs[] = { docURL };
        CFArrayRef launchItems = CFArrayCreate(
@@ -296,7 +307,7 @@ bool autoOpenFile(string const & filename, auto_open_mode const mode,
                setEnv("BSTINPUTS", newbstinputs);
                setEnv("TEXFONTS", newtexfonts);
        }
-       status = LSOpenFromURLSpec (&launchUrlSpec, NULL);
+       OSStatus const status = LSOpenFromURLSpec (&launchUrlSpec, NULL);
        CFRelease(launchItems);
        if (!path.empty() && !lyxrc.texinputs_prefix.empty()) {
                setEnv("TEXINPUTS", oldtexinputs);
@@ -311,8 +322,8 @@ bool autoOpenFile(string const & filename, auto_open_mode const mode,
        (void)mode;
        (void)path;
 
-       // currently, no default viewer is tried for non-windows system
-       // support for KDE/Gnome/Macintosh may be added later
+       // currently, no default viewer is tried for non-apple system
+       // support for KDE/Gnome may be added later
        return false;
 #endif
 }