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Fixes #803, allows you to opt-out of hashchange, while opting-in to push state, using full-page refreshes for old browsers.

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Jeremy Ashkenas
2012-01-12 17:44:45 -05:00
parent a49bb4f3e1
commit 328cb66638
1 changed files with 7 additions and 4 deletions
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11
backbone.js
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@@ -745,6 +745,7 @@
// Is pushState desired ... is it available?
if (historyStarted) throw new Error("Backbone.history has already been started");
this.options = _.extend({}, {root: '/'}, this.options, options);
this._wantsHashChange = this.options.hashChange !== false;
this._wantsPushState = !!this.options.pushState;
this._hasPushState = !!(this.options.pushState && window.history && window.history.pushState);
var fragment = this.getFragment();
@@ -759,9 +760,9 @@
// 'onhashchange' is supported, determine how we check the URL state.
if (this._hasPushState) {
$(window).bind('popstate', this.checkUrl);
} else if ('onhashchange' in window && !oldIE) {
} else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
$(window).bind('hashchange', this.checkUrl);
} else {
} else if (this._wantsHashChange) {
setInterval(this.checkUrl, this.interval);
}
@@ -771,7 +772,7 @@
historyStarted = true;
var loc = window.location;
var atRoot = loc.pathname == this.options.root;
if (this._wantsPushState && !this._hasPushState && !atRoot) {
if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
this.fragment = this.getFragment(null, true);
window.location.replace(this.options.root + '#' + this.fragment);
// Return immediately as browser will do redirect to new url
@@ -831,7 +832,7 @@
if (frag.indexOf(this.options.root) != 0) frag = this.options.root + frag;
this.fragment = frag;
window.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, frag);
} else {
} else if (this._wantsHashChange) {
this.fragment = frag;
this._updateHash(window.location, frag, options.replace);
if (this.iframe && (frag != this.getFragment(this.iframe.location.hash))) {
@@ -840,6 +841,8 @@
if(!options.replace) this.iframe.document.open().close();
this._updateHash(this.iframe.location, frag, options.replace);
}
} else {
window.location.assign(this.options.root + fragment);
}
if (options.trigger) this.loadUrl(fragment);
},