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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/test/test_navigation_observer.h" | |
6 | |
7 #include "chrome/test/base/ui_test_utils.h" | |
8 #include "content/public/browser/notification_service.h" | |
9 #include "content/public/browser/notification_types.h" | |
10 #include "content/public/browser/render_view_host_observer.h" | |
11 #include "testing/gtest/include/gtest/gtest.h" | |
12 | |
13 // This class observes |rvh| and calls OnJsInjectionReady() of | |
14 // |js_injection_ready_observer| when the time is right to inject | |
15 // JavaScript into the page. | |
16 class TestNavigationObserver::RVHOSendJS | |
17 : public content::RenderViewHostObserver { | |
18 public: | |
19 RVHOSendJS(RenderViewHost* rvh, | |
20 JsInjectionReadyObserver* js_injection_ready_observer) | |
21 : content::RenderViewHostObserver(rvh), | |
22 js_injection_ready_observer_(js_injection_ready_observer) { | |
23 } | |
24 | |
25 private: | |
26 // content::RenderViewHostObserver implementation. | |
27 virtual void RenderViewHostInitialized() OVERRIDE { | |
28 if (js_injection_ready_observer_) | |
29 js_injection_ready_observer_->OnJsInjectionReady(render_view_host()); | |
30 } | |
31 | |
32 JsInjectionReadyObserver* js_injection_ready_observer_; | |
33 | |
34 DISALLOW_COPY_AND_ASSIGN(RVHOSendJS); | |
35 }; | |
36 | |
37 TestNavigationObserver::JsInjectionReadyObserver::JsInjectionReadyObserver() { | |
38 } | |
39 | |
40 TestNavigationObserver::JsInjectionReadyObserver::~JsInjectionReadyObserver() { | |
41 } | |
42 | |
43 TestNavigationObserver::TestNavigationObserver( | |
44 const content::NotificationSource& source, | |
45 TestNavigationObserver::JsInjectionReadyObserver* | |
46 js_injection_ready_observer, | |
47 int number_of_navigations) | |
48 : navigation_started_(false), | |
49 navigations_completed_(0), | |
50 number_of_navigations_(number_of_navigations), | |
51 js_injection_ready_observer_(js_injection_ready_observer), | |
52 done_(false), | |
53 running_(false) { | |
54 // When we need to do javascript injection, register for RVH creation. | |
55 if (js_injection_ready_observer_) { | |
56 registrar_.Add(this, content::NOTIFICATION_RENDER_VIEW_HOST_CREATED, | |
57 content::NotificationService::AllSources()); | |
58 } | |
59 RegisterAsObserver(source); | |
60 } | |
61 | |
62 TestNavigationObserver::~TestNavigationObserver() { | |
63 } | |
64 | |
65 void TestNavigationObserver::WaitForObservation() { | |
66 if (!done_) { | |
67 EXPECT_FALSE(running_); | |
68 running_ = true; | |
69 ui_test_utils::RunMessageLoop(); | |
70 } | |
71 } | |
72 | |
73 TestNavigationObserver::TestNavigationObserver( | |
74 TestNavigationObserver::JsInjectionReadyObserver* | |
75 js_injection_ready_observer, | |
76 int number_of_navigations) | |
77 : navigation_started_(false), | |
78 navigations_completed_(0), | |
79 number_of_navigations_(number_of_navigations), | |
80 js_injection_ready_observer_(js_injection_ready_observer), | |
81 done_(false), | |
82 running_(false) { | |
83 // When we need to do javascript injection, register for RVH creation. | |
84 if (js_injection_ready_observer_) { | |
85 registrar_.Add(this, content::NOTIFICATION_RENDER_VIEW_HOST_CREATED, | |
86 content::NotificationService::AllSources()); | |
87 } | |
88 } | |
89 | |
90 void TestNavigationObserver::RegisterAsObserver( | |
91 const content::NotificationSource& source) { | |
92 // Register for events to know when we've finished loading the page and are | |
93 // ready to quit the current message loop to return control back to the | |
94 // waiting test. | |
95 registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED, source); | |
96 registrar_.Add(this, content::NOTIFICATION_LOAD_START, source); | |
97 registrar_.Add(this, content::NOTIFICATION_LOAD_STOP, source); | |
98 } | |
99 | |
100 void TestNavigationObserver::Observe( | |
101 int type, const content::NotificationSource& source, | |
102 const content::NotificationDetails& details) { | |
103 switch (type) { | |
104 case content::NOTIFICATION_NAV_ENTRY_COMMITTED: | |
105 case content::NOTIFICATION_LOAD_START: | |
106 navigation_started_ = true; | |
107 break; | |
108 case content::NOTIFICATION_LOAD_STOP: | |
109 if (navigation_started_ && | |
110 ++navigations_completed_ == number_of_navigations_) { | |
111 navigation_started_ = false; | |
112 done_ = true; | |
113 if (running_) | |
114 MessageLoopForUI::current()->Quit(); | |
115 } | |
116 break; | |
117 case content::NOTIFICATION_RENDER_VIEW_HOST_CREATED: | |
118 rvho_send_js_.reset(new RVHOSendJS( | |
119 content::Source<RenderViewHost>(source).ptr(), | |
120 js_injection_ready_observer_)); | |
121 break; | |
122 default: | |
123 NOTREACHED(); | |
124 } | |
125 } | |
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