Implement a "continue-activity" event on app for resuming from hand-off.

atom/browser/api/atom_api_app.cc

@@ -20,6 +20,7 @@
 #include "atom/common/native_mate_converters/image_converter.h"
 #include "atom/common/native_mate_converters/net_converter.h"
 #include "atom/common/native_mate_converters/value_converter.h"
+#include "atom/common/native_mate_converters/string_map_converter.h"
 #include "atom/common/node_includes.h"
 #include "atom/common/options_switches.h"
 #include "base/command_line.h"
@@ -249,6 +250,10 @@ void App::OnFinishLaunching() {
   Emit("ready");
 }
 
+void App::OnContinueUserActivity(bool* handled, const std::string& type, const std::map<std::string, std::string>& user_info) {
+  *handled = Emit("continue-activity", type, user_info);
+}
+
 void App::OnLogin(LoginHandler* login_handler) {
   v8::Locker locker(isolate());
   v8::HandleScope handle_scope(isolate());

atom/browser/api/atom_api_app.h

@@ -6,6 +6,7 @@
 #define ATOM_BROWSER_API_ATOM_API_APP_H_
 
 #include <string>
+#include <map>
 
 #include "atom/browser/api/event_emitter.h"
 #include "atom/browser/atom_browser_client.h"
@@ -71,6 +72,7 @@ class App : public AtomBrowserClient::Delegate,
   void OnWillFinishLaunching() override;
   void OnFinishLaunching() override;
   void OnLogin(LoginHandler* login_handler) override;
+  void OnContinueUserActivity(bool* handled, const std::string& type, const std::map<std::string, std::string>& user_info) override;
 
   // content::ContentBrowserClient:
   void AllowCertificateError(

atom/browser/browser.cc

@@ -137,6 +137,17 @@ void Browser::Activate(bool has_visible_windows) {
                     OnActivate(has_visible_windows));
 }
 
+#if defined(OS_MACOSX)
+bool Browser::ContinueUserActivity(const std::string& type, const std::map<std::string, std::string>& user_info) {
+  bool handled = false;
+  FOR_EACH_OBSERVER(BrowserObserver, 
+                    observers_, 
+                    OnContinueUserActivity(&handled, type, user_info));
+                    
+  return handled;
+}
+#endif
+
 void Browser::WillFinishLaunching() {
   FOR_EACH_OBSERVER(BrowserObserver, observers_, OnWillFinishLaunching());
 }

atom/browser/browser.h

@@ -96,6 +96,9 @@ class Browser : public WindowListObserver {
   // Creates an activity and sets it as the one currently in use.
   void SetUserActivity(const std::string& type, const std::map<std::string, std::string>& user_info);
   
+  // Resumes an activity via hand-off.
+  bool ContinueUserActivity(const std::string& type, const std::map<std::string, std::string>& user_info);
+
   // Bounce the dock icon.
   enum BounceType {
     BOUNCE_CRITICAL = 0,

atom/browser/browser_observer.h

@@ -6,6 +6,7 @@
 #define ATOM_BROWSER_BROWSER_OBSERVER_H_
 
 #include <string>
+#include <map>
 
 namespace atom {
 
@@ -45,6 +46,11 @@ class BrowserObserver {
   // The browser requests HTTP login.
   virtual void OnLogin(LoginHandler* login_handler) {}
 
+  // The browser wants to resume a user activity via handoff. (OS X only)
+  virtual void OnContinueUserActivity(bool* handled,
+                                      const std::string& type,
+                                      const std::map<std::string, std::string>& user_info) {}
+
  protected:
   virtual ~BrowserObserver() {}
 };