feat(info): implement app info manager on macOS

espanso-info/build.rs

@@ -61,9 +61,9 @@ fn cc_config() {
     .cpp(true)
     .include("src/cocoa/native.h")
     .file("src/cocoa/native.mm")
-    .compile("espansoclipboard");
+    .compile("espansoinfo");
   println!("cargo:rustc-link-lib=dylib=c++");
-  println!("cargo:rustc-link-lib=static=espansoclipboard");
+  println!("cargo:rustc-link-lib=static=espansoinfo");
   println!("cargo:rustc-link-lib=framework=Cocoa");
 }
 

espanso-info/src/cocoa/ffi.rs

@@ -0,0 +1,27 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019-2021 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+use std::os::raw::c_char;
+
+#[link(name = "espansoinfo", kind = "static")]
+extern "C" {
+  pub fn info_get_title(buffer: *mut c_char, buffer_size: i32) -> i32;
+  pub fn info_get_exec(buffer: *mut c_char, buffer_size: i32) -> i32;
+  pub fn info_get_class(buffer: *mut c_char, buffer_size: i32) -> i32;
+}

espanso-info/src/cocoa/mod.rs

@@ -0,0 +1,91 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019-2021 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+use std::{ffi::CStr, os::raw::c_char};
+
+use crate::{AppInfo, AppInfoProvider};
+
+use self::ffi::{info_get_class, info_get_exec, info_get_title};
+
+mod ffi;
+
+pub struct CocoaAppInfoProvider {}
+
+impl CocoaAppInfoProvider {
+  pub fn new() -> Self {
+    Self {}
+  }
+}
+
+impl AppInfoProvider for CocoaAppInfoProvider {
+  fn get_info(&self) -> AppInfo {
+    AppInfo {
+      title: self.get_title(),
+      class: self.get_class(),
+      exec: self.get_exec(),
+    }
+  }
+}
+
+impl CocoaAppInfoProvider {
+  fn get_exec(&self) -> Option<String> {
+    let mut buffer: [c_char; 2048] = [0; 2048];
+    if unsafe { info_get_exec(buffer.as_mut_ptr(), (buffer.len() - 1) as i32) } > 0 {
+      let string = unsafe { CStr::from_ptr(buffer.as_ptr()) };
+      let string = string.to_string_lossy();
+      if !string.is_empty() {
+        Some(string.to_string())
+      } else {
+        None
+      }
+    } else {
+      None
+    }
+  }
+
+  fn get_class(&self) -> Option<String> {
+    let mut buffer: [c_char; 2048] = [0; 2048];
+    if unsafe { info_get_class(buffer.as_mut_ptr(), (buffer.len() - 1) as i32) } > 0 {
+      let string = unsafe { CStr::from_ptr(buffer.as_ptr()) };
+      let string = string.to_string_lossy();
+      if !string.is_empty() {
+        Some(string.to_string())
+      } else {
+        None
+      }
+    } else {
+      None
+    }
+  }
+
+  fn get_title(&self) -> Option<String> {
+    let mut buffer: [c_char; 2048] = [0; 2048];
+    if unsafe { info_get_title(buffer.as_mut_ptr(), (buffer.len() - 1) as i32) } > 0 {
+      let string = unsafe { CStr::from_ptr(buffer.as_ptr()) };
+      let string = string.to_string_lossy();
+      if !string.is_empty() {
+        Some(string.to_string())
+      } else {
+        None
+      }
+    } else {
+      None
+    }
+  }
+}

espanso-info/src/cocoa/native.h

@@ -0,0 +1,29 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019-2021 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef ESPANSO_INFO_H
+#define ESPANSO_INFO_H
+
+#include <stdint.h>
+
+extern "C" int32_t info_get_title(char * buffer, int32_t buffer_size);
+extern "C" int32_t info_get_exec(char * buffer, int32_t buffer_size);
+extern "C" int32_t info_get_class(char * buffer, int32_t buffer_size);
+
+#endif //ESPANSO_INFO_H

espanso-info/src/cocoa/native.mm

@@ -0,0 +1,76 @@
+/*
+ * This file is part of espanso.
+ *
+ * Copyright (C) 2019-2021 Federico Terzi
+ *
+ * espanso is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * espanso is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "native.h"
+#import <AppKit/AppKit.h>
+#import <Foundation/Foundation.h>
+
+int32_t info_get_title(char *buffer, int32_t buffer_size)
+{
+  CFArrayRef windows = CGWindowListCopyWindowInfo(kCGWindowListExcludeDesktopElements | kCGWindowListOptionOnScreenOnly, kCGNullWindowID);
+  int32_t result = 0;
+
+  if (windows) {
+    for (NSDictionary *window in (NSArray *)windows) {
+      NSNumber *ownerPid = window[(id) kCGWindowOwnerPID];
+
+      NSRunningApplication *currentApp = [NSRunningApplication runningApplicationWithProcessIdentifier: [ownerPid intValue]];
+
+      if ([currentApp isActive]) {
+        NSString *name = window[(id) kCGWindowName];
+        if (name.length > 0) {
+          const char * title = [name UTF8String];
+          snprintf(buffer, buffer_size, "%s", title);
+          result = 1;
+        }
+        break;
+      }
+    }
+
+    CFRelease(windows);
+  }
+
+  return result;
+}
+
+int32_t info_get_exec(char *buffer, int32_t buffer_size)
+{
+  NSRunningApplication *frontApp = [[NSWorkspace sharedWorkspace] frontmostApplication];
+  NSString *bundlePath = [frontApp bundleURL].path;
+  const char * path = [bundlePath UTF8String];
+
+  snprintf(buffer, buffer_size, "%s", path);
+
+  [bundlePath release];
+
+  return 1;
+}
+
+int32_t info_get_class(char *buffer, int32_t buffer_size)
+{
+  NSRunningApplication *frontApp = [[NSWorkspace sharedWorkspace] frontmostApplication];
+  NSString *bundleId = frontApp.bundleIdentifier;
+  const char * bundle = [bundleId UTF8String];
+
+  snprintf(buffer, buffer_size, "%s", bundle);
+
+  [bundleId release];
+
+  return 1;
+}

espanso-info/src/lib.rs

@@ -52,9 +52,9 @@ pub fn get_provider() -> Result<Box<dyn AppInfoProvider>> {
 }
 
 #[cfg(target_os = "macos")]
-pub fn get_clipboard(_: ClipboardOptions) -> Result<Box<dyn Clipboard>> {
-  info!("using CocoaClipboard");
-  Ok(Box::new(cocoa::CocoaClipboard::new()?))
+pub fn get_provider() -> Result<Box<dyn AppInfoProvider>> {
+  info!("using CocoaAppInfoProvider");
+  Ok(Box::new(cocoa::CocoaAppInfoProvider::new()))
 }
 
 #[cfg(target_os = "linux")]