From 2078c60477842d7cf6991148e23979565737a8b5 Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Sat, 26 Jul 2025 11:59:38 +0530
Subject: Refactor heavy + extras.tabline module (incomplete)

---
 lua/null-browser/api.lua            |  1 +
 lua/null-browser/defaults/vi.lua    |  2 +-
 lua/null-browser/extras/tabline.lua | 77 +++++++++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+), 1 deletion(-)
 create mode 100644 lua/null-browser/extras/tabline.lua

(limited to 'lua')

diff --git a/lua/null-browser/api.lua b/lua/null-browser/api.lua
index 8b5cebd..598594e 100644
--- a/lua/null-browser/api.lua
+++ b/lua/null-browser/api.lua
@@ -318,6 +318,7 @@ local function create_decoration_api(type)
     __internals.decorations_set_enabled(type, enabled, (opts or {}).win)
   end;
   return {
+    type = function() return type end,
     enable = function(opts) set_enabled(true, opts) end,
     disable = function(opts) set_enabled(false, opts) end,
     is_enabled = function(opts)
diff --git a/lua/null-browser/defaults/vi.lua b/lua/null-browser/defaults/vi.lua
index 0ef5314..d6193de 100644
--- a/lua/null-browser/defaults/vi.lua
+++ b/lua/null-browser/defaults/vi.lua
@@ -82,7 +82,7 @@ function M.initialize()
   web.keymap.set('n', '<space>b', function()
     local views_list = {}
     local views = web.view.list()
-    for index, view in ipairs(web.view.list()) do
+    for index, view in ipairs(views) do
       table.insert(views_list, index .. ': ' .. view.title .. ' (' .. view.url .. ')')
     end
 
diff --git a/lua/null-browser/extras/tabline.lua b/lua/null-browser/extras/tabline.lua
new file mode 100644
index 0000000..c278df5
--- /dev/null
+++ b/lua/null-browser/extras/tabline.lua
@@ -0,0 +1,77 @@
+local tabline = {}
+
+-- TODO: click interaction
+-- TODO: vertical tabs
+function tabline.init(opts)
+  local decoration = (opts or {}).decoration or web.decorations.top
+
+  web.event.add_listener('WinCreated', {
+    callback = function(event)
+      decoration.enable({ win = event.win_id })
+      tabline.show_tabs_in_window(event.win_id, decoration);
+    end,
+  })
+
+  -- Toggle tabline in current window
+  web.keymap.set('n', '<c-b>', function()
+    if decoration.is_enabled({ win = 0 }) then
+      decoration.disable({ win = 0 })
+    else
+      decoration.enable({ win = 0 })
+    end
+  end)
+end
+
+function tabline.show_tabs_in_window(win_id, decoration)
+  web.event.add_listener('UrlChanged', {
+    callback = function()
+      if not decoration.is_enabled({ win = win_id }) then return end
+
+      web.view.set_html(tabline.tabs_html(), {
+        view = decoration.view({ win = win_id }),
+      })
+    end,
+  })
+end
+
+function tabline.tabs_html()
+  local views_html = ''
+  for index, view in ipairs(web.view.list()) do
+    -- TODO: Sanitize this stuff
+    local text = index .. ': ' .. view.title .. ' (' .. view.url .. ')'
+    local classes = 'tab'
+    if web.view.current() == view.id then classes = classes .. ' current' end
+    local html = '<div class="' .. classes .. '">' .. text .. '</div>'
+    views_html = views_html .. html
+  end
+
+  return '<style>' .. tabline.css() .. '</style>' ..
+      '<div class="tabs">' .. views_html .. '</div>'
+end
+
+function tabline.css()
+  return [[
+    html, body {
+      background: #000;
+    }
+    .tabs {
+      display: flex;
+      align-items: stretch;
+      height: 100vh;
+    }
+    .tab {
+      flex: 1;
+      width: 100%;
+      overflow: hidden;
+      text-overflow: ellipsis;
+      text-wrap: nowrap;
+      min-width: 0;
+      border-left: 1px solid white;
+    }
+    .tab.current {
+      background: #333;
+    }
+  ]]
+end
+
+return tabline
-- 
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