update methods namespace

src/app/browser.cpp

@@ -85,18 +85,18 @@ Browser::Browser(
 
         // History
         add_action(
-            "main_tab_page_navigation_history_back",
+            "main_tab_page_navigation_history_try_back",
             [this]
             {
-                browserMain->tab_page_navigation_history_back();
+                browserMain->tab_page_navigation_history_try_back();
             }
         );
 
         add_action(
-            "main_tab_page_navigation_history_forward",
+            "main_tab_page_navigation_history_try_forward",
             [this]
             {
-                browserMain->tab_page_navigation_history_forward();
+                browserMain->tab_page_navigation_history_try_forward();
             }
         );
 

src/app/browser/main.cpp

@@ -74,18 +74,34 @@ void Main::tab_close_all()
     mainTab->close_all();
 };
 
-void Main::tab_page_navigation_history_back()
+bool Main::tab_page_navigation_history_try_back()
 {
-    mainTab->page_navigation_history_back(
-        mainTab->get_current_page()
-    );
+    const int & PAGE_NUMBER = mainTab->get_current_page();
+
+    if (PAGE_NUMBER >= 0)
+    {
+        return mainTab->page_navigation_history_try_back(
+            PAGE_NUMBER
+        );
+    }
+
+    return false;
 };
 
-void Main::tab_page_navigation_history_forward()
+bool Main::tab_page_navigation_history_try_forward()
 {
-    mainTab->page_navigation_history_forward(
-        mainTab->get_current_page()
-    );
+    const int & PAGE_NUMBER = mainTab->get_current_page();
+
+    if (PAGE_NUMBER >= 0)
+    {
+        return mainTab->page_navigation_history_try_forward(
+            PAGE_NUMBER
+        );
+
+        return true;
+    }
+
+    return false;
 };
 
 void Main::refresh()

src/app/browser/main.hpp

@@ -35,10 +35,12 @@ namespace app::browser
             void tab_close_left();
             void tab_close_right();
             void tab_close();
-            void tab_page_navigation_history_back();
-            void tab_page_navigation_history_forward();
+
             void tab_update();
 
+            bool tab_page_navigation_history_try_back();
+            bool tab_page_navigation_history_try_forward();
+
             void refresh();
     };
 }

src/app/browser/main/tab.cpp

@@ -96,20 +96,20 @@ void Tab::close_all()
     }
 }
 
-void Tab::page_navigation_history_back(
+bool Tab::page_navigation_history_try_back(
     const int & PAGE_NUMBER
 ) {
-    get_tabPage(
+    return get_tabPage(
         PAGE_NUMBER
-    )->navigation_history_back();
+    )->navigation_history_try_back();
 }
 
-void Tab::page_navigation_history_forward(
+bool Tab::page_navigation_history_try_forward(
     const int & PAGE_NUMBER
 ) {
-    get_tabPage(
+    return get_tabPage(
         PAGE_NUMBER
-    )->navigation_history_forward();
+    )->navigation_history_try_forward();
 }
 
 void Tab::refresh(

src/app/browser/main/tab.hpp

@@ -54,11 +54,11 @@ namespace app::browser::main
             void close_right();
             void close_all();
 
-            void page_navigation_history_back(
+            bool page_navigation_history_try_back(
                 const int & PAGE_NUMBER
             );
 
-            void page_navigation_history_forward(
+            bool page_navigation_history_try_forward(
                 const int & PAGE_NUMBER
             );
 

src/app/browser/main/tab/page.cpp

@@ -73,14 +73,14 @@ Glib::ustring Page::get_subtitle()
 }
 
 // Actions
-void Page::navigation_history_back()
+bool Page::navigation_history_try_back()
 {
-    pageNavigation->history_back();
+    return pageNavigation->history_try_back();
 }
 
-void Page::navigation_history_forward()
+bool Page::navigation_history_try_forward()
 {
-    pageNavigation->history_forward();
+    return pageNavigation->history_try_forward();
 }
 
 void Page::refresh(

src/app/browser/main/tab/page.hpp

@@ -54,8 +54,8 @@ namespace app::browser::main::tab
             Glib::ustring get_subtitle();
 
             // Actions
-            void navigation_history_back();
-            void navigation_history_forward();
+            bool navigation_history_try_back();
+            bool navigation_history_try_forward();
 
             void refresh(
                 const Glib::ustring & TITLE,

src/app/browser/main/tab/page/navigation.cpp

@@ -87,7 +87,7 @@ Navigation::Navigation(
 }
 
 // Actions
-void Navigation::history_back()
+bool Navigation::history_try_back()
 {
     navigation::History::Memory match;
 
@@ -98,10 +98,14 @@ void Navigation::history_back()
         );
 
         navigationUpdate->activate();
+
+        return true;
     }
+
+    return false;
 }
 
-void Navigation::history_forward()
+bool Navigation::history_try_forward()
 {
     navigation::History::Memory match;
 
@@ -112,7 +116,11 @@ void Navigation::history_forward()
         );
 
         navigationUpdate->activate();
+
+        return true;
     }
+
+    return false;
 }
 
 void Navigation::history_add(

src/app/browser/main/tab/page/navigation.hpp

@@ -41,9 +41,8 @@ namespace app::browser::main::tab::page
                 const Glib::ustring & VALUE
             );
 
-            void history_back();
-            void history_forward();
-
+            bool history_try_back();
+            bool history_try_forward();
 
             void refresh();
 

src/app/browser/main/tab/page/navigation/history/back.cpp

@@ -5,7 +5,7 @@ using namespace app::browser::main::tab::page::navigation::history;
 Back::Back()
 {
     set_action_name(
-        "win.main_tab_page_navigation_history_back"
+        "win.main_tab_page_navigation_history_try_back"
     );
 
     set_icon_name(

src/app/browser/main/tab/page/navigation/history/forward.cpp

@@ -5,7 +5,7 @@ using namespace app::browser::main::tab::page::navigation::history;
 Forward::Forward()
 {
     set_action_name(
-        "win.main_tab_page_navigation_history_forward"
+        "win.main_tab_page_navigation_history_try_forward"
     );
 
     set_icon_name(