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clean up history api

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This commit is contained in:
Muki Kiboigo
2025-09-25 12:33:30 -07:00
parent e74d7fa454
commit 9992bd0999
1 changed files with 15 additions and 20 deletions
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35
src/browser/html/History.zig
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@@ -27,7 +27,8 @@ const History = @This();
const HistoryEntry = struct { const HistoryEntry = struct {
url: []const u8, url: []const u8,
// Serialized as JSON. // This is serialized as JSON because
// History must survive a JsContext.
state: ?[]u8, state: ?[]u8,
}; };
@@ -44,9 +45,13 @@ const ScrollRestorationMode = enum {
return null; return null;
} }
} }
pub fn toString(self: ScrollRestorationMode) []const u8 {
return @tagName(self);
}
}; };
scrollRestoration: ScrollRestorationMode = .auto, scroll_restoration: ScrollRestorationMode = .auto,
stack: std.ArrayListUnmanaged(HistoryEntry) = .empty, stack: std.ArrayListUnmanaged(HistoryEntry) = .empty,
current: ?usize = null, current: ?usize = null,
@@ -54,15 +59,12 @@ pub fn get_length(self: *History) u32 {
return @intCast(self.stack.items.len); return @intCast(self.stack.items.len);
} }
pub fn get_scrollRestoration(self: *History) []const u8 { pub fn get_scrollRestoration(self: *History) ScrollRestorationMode {
return switch (self.scrollRestoration) { return self.scroll_restoration;
.auto => "auto",
.manual => "manual",
};
} }
pub fn set_scrollRestoration(self: *History, mode: []const u8) void { pub fn set_scrollRestoration(self: *History, mode: []const u8) void {
self.scrollRestoration = ScrollRestorationMode.fromString(mode) orelse self.scrollRestoration; self.scroll_restoration = ScrollRestorationMode.fromString(mode) orelse self.scroll_restoration;
} }
pub fn get_state(self: *History, page: *Page) !?Env.Value { pub fn get_state(self: *History, page: *Page) !?Env.Value {
@@ -102,23 +104,20 @@ pub fn dispatchPopStateEvent(state: ?[]const u8, page: *Page) void {
}; };
} }
fn _dispatchPopStateEvent( fn _dispatchPopStateEvent(state: ?[]const u8, page: *Page) !void {
state: ?[]const u8,
page: *Page,
) !void {
var evt = try PopStateEvent.constructor("popstate", .{ .state = state }); var evt = try PopStateEvent.constructor("popstate", .{ .state = state });
_ = try parser.eventTargetDispatchEvent( _ = try parser.eventTargetDispatchEvent(
@as(*parser.EventTarget, @ptrCast(&page.window)), @as(*parser.EventTarget, @ptrCast(&page.window)),
@as(*parser.Event, @ptrCast(&evt)), &evt.proto,
); );
} }
pub fn _pushState(self: *History, state: Env.JsObject, _: ?[]const u8, _url: ?[]const u8, page: *Page) !void { pub fn _pushState(self: *History, state: Env.JsObject, _: ?[]const u8, _url: ?[]const u8, page: *Page) !void {
const arena = page.session.arena; const arena = page.session.arena;
const json = try state.toJson(arena);
const url = if (_url) |u| try arena.dupe(u8, u) else try arena.dupe(u8, page.url.raw); const url = if (_url) |u| try arena.dupe(u8, u) else try arena.dupe(u8, page.url.raw);
const json = try state.toJson(page.session.arena);
const entry = HistoryEntry{ .state = json, .url = url }; const entry = HistoryEntry{ .state = json, .url = url };
try self.stack.append(arena, entry); try self.stack.append(arena, entry);
self.current = self.stack.items.len - 1; self.current = self.stack.items.len - 1;
@@ -129,8 +128,8 @@ pub fn _replaceState(self: *History, state: Env.JsObject, _: ?[]const u8, _url:
if (self.current) |curr| { if (self.current) |curr| {
const entry = &self.stack.items[curr]; const entry = &self.stack.items[curr];
const url = if (_url) |u| try arena.dupe(u8, u) else try arena.dupe(u8, page.url.raw);
const json = try state.toJson(arena); const json = try state.toJson(arena);
const url = if (_url) |u| try arena.dupe(u8, u) else try arena.dupe(u8, page.url.raw);
entry.* = HistoryEntry{ .state = json, .url = url }; entry.* = HistoryEntry{ .state = json, .url = url };
} else { } else {
try self._pushState(state, "", _url, page); try self._pushState(state, "", _url, page);
@@ -152,11 +151,7 @@ pub fn go(self: *History, delta: i32, page: *Page) !void {
self.current = index; self.current = index;
if (try page.isSameOrigin(entry.url)) { if (try page.isSameOrigin(entry.url)) {
if (entry.state) |state| { History.dispatchPopStateEvent(entry.state, page);
History.dispatchPopStateEvent(state, page);
} else {
History.dispatchPopStateEvent(null, page);
}
} }
try page.navigateFromWebAPI(entry.url, .{ .reason = .history }); try page.navigateFromWebAPI(entry.url, .{ .reason = .history });