1 /* This Source Code Form is subject to the terms of the Mozilla Public
2  * License, v. 2.0. If a copy of the MPL was not distributed with this
3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4 
5 use dom::bindings::codegen::Bindings::ServiceWorkerBinding::ServiceWorkerState;
6 use dom::bindings::codegen::Bindings::ServiceWorkerRegistrationBinding::{ServiceWorkerRegistrationMethods, Wrap};
7 use dom::bindings::reflector::reflect_dom_object;
8 use dom::bindings::root::{Dom, DomRoot};
9 use dom::bindings::str::USVString;
10 use dom::eventtarget::EventTarget;
11 use dom::globalscope::GlobalScope;
12 use dom::serviceworker::ServiceWorker;
13 use dom::workerglobalscope::prepare_workerscope_init;
14 use dom_struct::dom_struct;
15 use script_traits::{WorkerScriptLoadOrigin, ScopeThings};
16 use servo_url::ServoUrl;
17 use std::cell::Cell;
18 
19 
20 #[dom_struct]
21 pub struct ServiceWorkerRegistration {
22     eventtarget: EventTarget,
23     active: Option<Dom<ServiceWorker>>,
24     installing: Option<Dom<ServiceWorker>>,
25     waiting: Option<Dom<ServiceWorker>>,
26     scope: ServoUrl,
27     uninstalling: Cell<bool>
28 }
29 
30 impl ServiceWorkerRegistration {
new_inherited(active_sw: &ServiceWorker, scope: ServoUrl) -> ServiceWorkerRegistration31     fn new_inherited(active_sw: &ServiceWorker, scope: ServoUrl) -> ServiceWorkerRegistration {
32         ServiceWorkerRegistration {
33             eventtarget: EventTarget::new_inherited(),
34             active: Some(Dom::from_ref(active_sw)),
35             installing: None,
36             waiting: None,
37             scope: scope,
38             uninstalling: Cell::new(false)
39         }
40     }
41     #[allow(unrooted_must_root)]
new(global: &GlobalScope, script_url: &ServoUrl, scope: ServoUrl) -> DomRoot<ServiceWorkerRegistration>42     pub fn new(global: &GlobalScope,
43                script_url: &ServoUrl,
44                scope: ServoUrl) -> DomRoot<ServiceWorkerRegistration> {
45         let active_worker = ServiceWorker::install_serviceworker(global, script_url.clone(), scope.clone(), true);
46         active_worker.set_transition_state(ServiceWorkerState::Installed);
47         reflect_dom_object(Box::new(ServiceWorkerRegistration::new_inherited(&*active_worker, scope)), global, Wrap)
48     }
49 
get_installed(&self) -> &ServiceWorker50     pub fn get_installed(&self) -> &ServiceWorker {
51         self.active.as_ref().unwrap()
52     }
53 
get_uninstalling(&self) -> bool54     pub fn get_uninstalling(&self) -> bool {
55         self.uninstalling.get()
56     }
57 
set_uninstalling(&self, flag: bool)58     pub fn set_uninstalling(&self, flag: bool) {
59         self.uninstalling.set(flag)
60     }
61 
create_scope_things(global: &GlobalScope, script_url: ServoUrl) -> ScopeThings62     pub fn create_scope_things(global: &GlobalScope, script_url: ServoUrl) -> ScopeThings {
63         let worker_load_origin = WorkerScriptLoadOrigin {
64             referrer_url: None,
65             referrer_policy: None,
66             pipeline_id: Some(global.pipeline_id())
67         };
68 
69         let worker_id = global.get_next_worker_id();
70         let devtools_chan = global.devtools_chan().cloned();
71         let init = prepare_workerscope_init(&global, None);
72         ScopeThings {
73             script_url: script_url,
74             init: init,
75             worker_load_origin: worker_load_origin,
76             devtools_chan: devtools_chan,
77             worker_id: worker_id
78         }
79     }
80 
81     // https://w3c.github.io/ServiceWorker/#get-newest-worker-algorithm
get_newest_worker(&self) -> Option<DomRoot<ServiceWorker>>82     pub fn get_newest_worker(&self) -> Option<DomRoot<ServiceWorker>> {
83         if self.installing.as_ref().is_some() {
84             self.installing.as_ref().map(|sw| DomRoot::from_ref(&**sw))
85         } else if self.waiting.as_ref().is_some() {
86             self.waiting.as_ref().map(|sw| DomRoot::from_ref(&**sw))
87         } else {
88             self.active.as_ref().map(|sw| DomRoot::from_ref(&**sw))
89         }
90     }
91 }
92 
longest_prefix_match(stored_scope: &ServoUrl, potential_match: &ServoUrl) -> bool93 pub fn longest_prefix_match(stored_scope: &ServoUrl, potential_match: &ServoUrl) -> bool {
94     if stored_scope.origin() != potential_match.origin() {
95         return false;
96     }
97     let scope_chars = stored_scope.path().chars();
98     let matching_chars = potential_match.path().chars();
99     if scope_chars.count() > matching_chars.count() {
100         return false;
101     }
102 
103     stored_scope.path().chars().zip(potential_match.path().chars()).all(|(scope, matched)| scope == matched)
104 }
105 
106 impl ServiceWorkerRegistrationMethods for ServiceWorkerRegistration {
107     // https://w3c.github.io/ServiceWorker/#service-worker-registration-installing-attribute
GetInstalling(&self) -> Option<DomRoot<ServiceWorker>>108     fn GetInstalling(&self) -> Option<DomRoot<ServiceWorker>> {
109         self.installing.as_ref().map(|sw| DomRoot::from_ref(&**sw))
110     }
111 
112     // https://w3c.github.io/ServiceWorker/#service-worker-registration-active-attribute
GetActive(&self) -> Option<DomRoot<ServiceWorker>>113     fn GetActive(&self) -> Option<DomRoot<ServiceWorker>> {
114         self.active.as_ref().map(|sw| DomRoot::from_ref(&**sw))
115     }
116 
117     // https://w3c.github.io/ServiceWorker/#service-worker-registration-waiting-attribute
GetWaiting(&self) -> Option<DomRoot<ServiceWorker>>118     fn GetWaiting(&self) -> Option<DomRoot<ServiceWorker>> {
119         self.waiting.as_ref().map(|sw| DomRoot::from_ref(&**sw))
120     }
121 
122     // https://w3c.github.io/ServiceWorker/#service-worker-registration-scope-attribute
Scope(&self) -> USVString123     fn Scope(&self) -> USVString {
124         USVString(self.scope.as_str().to_owned())
125     }
126 }
127