Preference Pane for chromoting on Mac

remoting/host/me2me_preference_pane.h

+// Copyright (c) 2012 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.
+
+#import <Cocoa/Cocoa.h>
+#import <PreferencePanes/PreferencePanes.h>
+#import <SecurityInterface/SFAuthorizationView.h>
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+
+namespace remoting {
+class JsonHostConfig;
+}
+
+@interface Me2MePreferencePane : NSPreferencePane {
+  IBOutlet NSTextField* status_message_;
+  IBOutlet NSButton* disable_button_;
+  IBOutlet NSTextField* pin_instruction_message_;
+  IBOutlet NSTextField* email_;
+  IBOutlet NSTextField* pin_;
+  IBOutlet NSButton* apply_button_;
+  IBOutlet SFAuthorizationView* authorization_view_;
+
+  // Holds the new proposed configuration if a temporary config file is
+  // present.
+  scoped_ptr<remoting::JsonHostConfig> config_;
+
+  NSTimer* service_status_timer_;
+
+  // These flags determine the UI state.  These are computed in the
+  // update...Status methods.
+  BOOL is_service_running_;
+  BOOL is_pane_unlocked_;
+
+  // True if a new proposed config file has been loaded into memory.
+  BOOL have_new_config_;
+}
+
+- (void)mainViewDidLoad;
+- (void)willSelect;
+- (void)willUnselect;
+- (IBAction)onDisable:(id)sender;
+- (IBAction)onApply:(id)sender;
+- (void)onNewConfigFile:(NSNotification*)notification;
+- (void)refreshServiceStatus:(NSTimer*)timer;
+- (void)authorizationViewDidAuthorize:(SFAuthorizationView*)view;
+- (void)authorizationViewDidDeauthorize:(SFAuthorizationView*)view;
+- (void)updateServiceStatus;
+- (void)updateAuthorizationStatus;
+
+// Read any new config file if present.  If a config file is successfully read,
+// this deletes the file and keeps the config data loaded in memory.  If this
+// method is called a second time (when the file has been deleted), the current
+// config is remembered, so this method acts as a latch: it can change
+// |have_new_config_| from NO to YES, but never from YES to NO.
+//
+// This scheme means that this method can delete the file immediately (to avoid
+// leaving a stale file around in case of a crash), but this method can safely
+// be called multiple times without forgetting the loaded config.  To explicitly
+// forget the current config, set |have_new_config_| to NO.
+- (void)readNewConfig;
+
+// Update all UI controls according to any stored flags and loaded config.
+// This should be called after any sequence of operations that might change the
+// UI state.
+- (void)updateUI;
+
+// Alert the user to a generic error condition.
+- (void)showError;
+
+// Alert the user that the typed PIN is incorrect.
+- (void)showIncorrectPinMessage;
+
+// Save the new config to the system, and either start the service or inform
+// the currently-running service of the new config.
+- (void)applyNewServiceConfig;
+
+- (BOOL)runHelperAsRootWithCommand:(const char*)command
+                         inputData:(const std::string&)input_data;
+- (BOOL)sendJobControlMessage:(const char*)launch_key;
+
+@end