History placeholder

Author: karlseguin

src/browser/Factory.zig

@@ -46,6 +46,7 @@ _size_112_8: MemoryPoolAligned([112]u8, .@"8"),
 _size_120_8: MemoryPoolAligned([120]u8, .@"8"),
 _size_128_8: MemoryPoolAligned([128]u8, .@"8"),
 _size_144_8: MemoryPoolAligned([144]u8, .@"8"),
+_size_152_8: MemoryPoolAligned([152]u8, .@"8"),
 _size_456_8: MemoryPoolAligned([456]u8, .@"8"),
 _size_520_8: MemoryPoolAligned([520]u8, .@"8"),
 _size_648_8: MemoryPoolAligned([648]u8, .@"8"),
@@ -72,6 +73,7 @@ pub fn init(page: *Page) Factory {
         ._size_120_8 = MemoryPoolAligned([120]u8, .@"8").init(page.arena),
         ._size_128_8 = MemoryPoolAligned([128]u8, .@"8").init(page.arena),
         ._size_144_8 = MemoryPoolAligned([144]u8, .@"8").init(page.arena),
+        ._size_152_8 = MemoryPoolAligned([152]u8, .@"8").init(page.arena),
         ._size_456_8 = MemoryPoolAligned([456]u8, .@"8").init(page.arena),
         ._size_520_8 = MemoryPoolAligned([520]u8, .@"8").init(page.arena),
         ._size_648_8 = MemoryPoolAligned([648]u8, .@"8").init(page.arena),
@@ -231,6 +233,7 @@ pub fn createT(self: *Factory, comptime T: type) !*T {
     if (comptime SO == 120) return @ptrCast(try self._size_120_8.create());
     if (comptime SO == 128) return @ptrCast(try self._size_128_8.create());
     if (comptime SO == 144) return @ptrCast(try self._size_144_8.create());
+    if (comptime SO == 152) return @ptrCast(try self._size_152_8.create());
     if (comptime SO == 456) return @ptrCast(try self._size_456_8.create());
     if (comptime SO == 520) return @ptrCast(try self._size_520_8.create());
     if (comptime SO == 648) return @ptrCast(try self._size_648_8.create());
@@ -311,6 +314,7 @@ fn destroyChain(self: *Factory, value: anytype, comptime first: bool) void {
             120 => self._size_120_8.destroy(@ptrCast(value)),
             128 => self._size_128_8.destroy(@ptrCast(value)),
             144 => self._size_144_8.destroy(@ptrCast(value)),
+            152 => self._size_152_8.destroy(@ptrCast(value)),
             456 => self._size_456_8.destroy(@ptrCast(value)),
             520 => self._size_520_8.destroy(@ptrCast(value)),
             648 => self._size_648_8.destroy(@ptrCast(value)),

src/browser/Page.zig

@@ -16,6 +16,7 @@ const Mime = @import("Mime.zig");
 const Factory = @import("Factory.zig");
 const Session = @import("Session.zig");
 const Scheduler = @import("Scheduler.zig");
+const History = @import("webapi/History.zig");
 const EventManager = @import("EventManager.zig");
 const ScriptManager = @import("ScriptManager.zig");
 const polyfill = @import("polyfill/polyfill.zig");
@@ -142,6 +143,7 @@ fn reset(self: *Page, comptime initializing: bool) !void {
     self.window = try self._factory.eventTarget(Window{
         ._document = self.document,
         ._storage_bucket = storage_bucket,
+        ._history = History.init(self),
         ._proto = undefined,
         ._location = &default_location,
     });

src/browser/js/bridge.zig

@@ -446,6 +446,7 @@ pub const JsApis = flattenTypes(&.{
     @import("../webapi/css/MediaQueryList.zig"),
     @import("../webapi/Document.zig"),
     @import("../webapi/HTMLDocument.zig"),
+    @import("../webapi/History.zig"),
     @import("../webapi/KeyValueList.zig"),
     @import("../webapi/DocumentFragment.zig"),
     @import("../webapi/DocumentType.zig"),

src/browser/webapi/History.zig

@@ -0,0 +1,84 @@
+const std = @import("std");
+const js = @import("../js/js.zig");
+
+const Page = @import("../Page.zig");
+
+const History = @This();
+
+_page: *Page,
+_length: u32 = 1,
+_state: ?js.Object = null,
+
+pub fn init(page: *Page) History {
+    return .{
+        ._page = page,
+    };
+}
+
+pub fn deinit(self: *History) void {
+    if (self._state) |state| {
+        js.q.JS_FreeValue(self._page.js.ctx, state.value);
+    }
+}
+
+pub fn getLength(self: *const History) u32 {
+    return self._length;
+}
+
+pub fn getState(self: *const History) ?js.Object {
+    return self._state;
+}
+
+pub fn pushState(self: *History, state: js.Object, _title: []const u8, url: ?[]const u8, page: *Page) !void {
+    _ = _title; // title is ignored in modern browsers
+    _ = url; // For minimal implementation, we don't actually navigate
+    _ = page;
+
+    self._state = state;
+    self._length += 1;
+}
+
+pub fn replaceState(self: *History, state: js.Object, _title: []const u8, url: ?[]const u8, page: *Page) !void {
+    _ = _title;
+    _ = url;
+    _ = page;
+    self._state = state;
+    // Note: replaceState doesn't change length
+}
+
+pub fn back(self: *History, page: *Page) void {
+    _ = self;
+    _ = page;
+    // Minimal implementation: no-op
+}
+
+pub fn forward(self: *History, page: *Page) void {
+    _ = self;
+    _ = page;
+    // Minimal implementation: no-op
+}
+
+pub fn go(self: *History, delta: i32, page: *Page) void {
+    _ = self;
+    _ = delta;
+    _ = page;
+    // Minimal implementation: no-op
+}
+
+pub const JsApi = struct {
+    pub const bridge = js.Bridge(History);
+
+    pub const Meta = struct {
+        pub const name = "History";
+        pub var class_id: bridge.ClassId = 0;
+        pub const prototype_chain = bridge.prototypeChain();
+    };
+
+    pub const length = bridge.accessor(History.getLength, null, .{});
+    pub const state = bridge.accessor(History.getState, null, .{});
+    pub const pushState = bridge.function(History.pushState, .{});
+    pub const replaceState = bridge.function(History.replaceState, .{});
+    pub const back = bridge.function(History.back, .{});
+    pub const forward = bridge.function(History.forward, .{});
+    pub const go = bridge.function(History.go, .{});
+};

src/browser/webapi/Window.zig

@@ -5,6 +5,7 @@ const builtin = @import("builtin");
 const log = @import("../../log.zig");
 const Page = @import("../Page.zig");
 const Console = @import("Console.zig");
+const History = @import("History.zig");
 const Navigator = @import("Navigator.zig");
 const Document = @import("Document.zig");
 const Location = @import("Location.zig");
@@ -20,6 +21,7 @@ _proto: *EventTarget,
 _document: *Document,
 _console: Console = .init,
 _navigator: Navigator = .init,
+_history: History,
 _storage_bucket: *storage.Bucket,
 _on_load: ?js.Function = null,
 _location: *Location,
@@ -62,6 +64,10 @@ pub fn getLocation(self: *const Window) *Location {
     return self._location;
 }
 
+pub fn getHistory(self: *Window) *History {
+    return &self._history;
+}
+
 pub fn getOnLoad(self: *const Window) ?js.Function {
     return self._on_load;
 }
@@ -264,6 +270,7 @@ pub const JsApi = struct {
     pub const sessionStorage = bridge.accessor(Window.getSessionStorage, null, .{ .cache = "sessionStorage" });
     pub const document = bridge.accessor(Window.getDocument, null, .{ .cache = "document" });
     pub const location = bridge.accessor(Window.getLocation, null, .{ .cache = "location" });
+    pub const history = bridge.accessor(Window.getHistory, null, .{ .cache = "history" });
     pub const onload = bridge.accessor(Window.getOnLoad, Window.setOnLoad, .{});
     pub const fetch = bridge.function(Window.fetch, .{});
     pub const setTimeout = bridge.function(Window.setTimeout, .{});