cdp: return document's title on targetinfo

src/browser/page.zig

@@ -1222,6 +1222,10 @@ pub const Page = struct {
         const current_origin = try self.origin(self.call_arena);
         return std.mem.startsWith(u8, url, current_origin);
     }
+
+    pub fn getTitle(self: *const Page) ![]const u8 {
+        return try parser.documentHTMLGetTitle(self.window.document);
+    }
 };
 
 pub const NavigateReason = enum {

src/cdp/cdp.zig

@@ -468,6 +468,14 @@ pub fn BrowserContext(comptime CDP_T: type) type {
             return if (raw_url.len == 0) null else raw_url;
         }
 
+        pub fn getTitle(self: *const Self) ?[]const u8 {
+            const page = self.session.currentPage() orelse return null;
+            return page.getTitle() catch |err| {
+                log.err(.cdp, "page title", .{ .err = err });
+                return null;
+            };
+        }
+
         pub fn networkEnable(self: *Self) !void {
             try self.cdp.browser.notification.register(.http_request_fail, self, onHttpRequestFail);
             try self.cdp.browser.notification.register(.http_request_start, self, onHttpRequestStart);

src/cdp/domains/target.zig

@@ -167,7 +167,7 @@ fn createTarget(cmd: anytype) !void {
         .targetInfo = TargetInfo{
             .attached = false,
             .targetId = target_id,
-            .title = params.url,
+            .title = "about:blank",
             .browserContextId = bc.id,
             .url = "about:blank",
         },
@@ -271,8 +271,8 @@ fn getTargetInfo(cmd: anytype) !void {
             .targetInfo = TargetInfo{
                 .targetId = target_id,
                 .type = "page",
-                .title = "",
+                .title = bc.getTitle() orelse "about:blank",
-                .url = "",
+                .url = bc.getURL() orelse "about:blank",
                 .attached = true,
                 .canAccessOpener = false,
             },
@@ -283,8 +283,8 @@ fn getTargetInfo(cmd: anytype) !void {
         .targetInfo = TargetInfo{
             .targetId = "TID-STARTUP-B",
             .type = "browser",
-            .title = "",
+            .title = "about:blank",
-            .url = "",
+            .url = "about:blank",
             .attached = true,
             .canAccessOpener = false,
         },
@@ -630,8 +630,8 @@ test "cdp.target: getTargetInfo" {
         try ctx.expectSentResult(.{
             .targetInfo = .{
                 .type = "browser",
-                .title = "",
+                .title = "about:blank",
-                .url = "",
+                .url = "about:blank",
                 .attached = true,
                 .canAccessOpener = false,
             },
@@ -664,7 +664,7 @@ test "cdp.target: getTargetInfo" {
                 .targetId = "TID-A",
                 .type = "page",
                 .title = "",
-                .url = "",
+                .url = "about:blank",
                 .attached = true,
                 .canAccessOpener = false,
             },