| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2013 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 "content/test/browser_test_message_pump_android.h" | |
| 6 | |
| 7 #include "base/android/jni_android.h" | |
| 8 #include "base/android/scoped_java_ref.h" | |
| 9 #include "base/lazy_instance.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "base/synchronization/waitable_event.h" | |
| 12 #include "base/time.h" | |
| 13 #include "jni/BrowserTestSystemMessageHandler_jni.h" | |
| 14 | |
| 15 namespace { | |
| 16 | |
| 17 base::LazyInstance<base::android::ScopedJavaGlobalRef<jobject> > | |
| 18 g_message_handler_obj = LAZY_INSTANCE_INITIALIZER; | |
| 19 | |
| 20 } // namespace | |
| 21 | |
| 22 | |
| 23 namespace content { | |
| 24 | |
| 25 struct BrowserTestMessagePumpAndroid::RunState { | |
| 26 RunState(base::MessagePump::Delegate* delegate, int run_depth) | |
| 27 : delegate(delegate), | |
| 28 run_depth(run_depth), | |
| 29 should_quit(false), | |
| 30 waitable_event(false, false) { | |
| 31 } | |
| 32 | |
| 33 base::MessagePump::Delegate* delegate; | |
| 34 | |
| 35 // Used to count how many Run() invocations are on the stack. | |
| 36 int run_depth; | |
| 37 | |
| 38 // Used to flag that the current Run() invocation should return ASAP. | |
| 39 bool should_quit; | |
| 40 | |
| 41 // Used to sleep until there is more work to do. | |
| 42 base::WaitableEvent waitable_event; | |
| 43 | |
| 44 // The time at which we should call DoDelayedWork. | |
| 45 base::TimeTicks delayed_work_time; | |
| 46 }; | |
| 47 | |
| 48 BrowserTestMessagePumpAndroid::BrowserTestMessagePumpAndroid() | |
| 49 : state_(NULL) { | |
| 50 } | |
| 51 | |
| 52 BrowserTestMessagePumpAndroid::~BrowserTestMessagePumpAndroid() { | |
| 53 } | |
| 54 | |
| 55 void BrowserTestMessagePumpAndroid::Run(Delegate* delegate) { | |
| 56 RunState state(delegate, state_ ? state_->run_depth + 1 : 1); | |
| 57 RunState* previous_state = state_; | |
| 58 state_ = &state; | |
| 59 | |
| 60 JNIEnv* env = base::android::AttachCurrentThread(); | |
| 61 DCHECK(env); | |
| 62 | |
| 63 // Need to cap the wait time to allow task processing on the java | |
| 64 // side. Otherwise, a long wait time on the native will starve java | |
| 65 // tasks. | |
| 66 base::TimeDelta max_delay = base::TimeDelta::FromMilliseconds(100); | |
| 67 | |
| 68 for (;;) { | |
| 69 if (state_->should_quit) | |
| 70 break; | |
| 71 | |
| 72 bool did_work = state_->delegate->DoWork(); | |
| 73 if (state_->should_quit) | |
| 74 break; | |
| 75 | |
| 76 did_work |= state_->delegate->DoDelayedWork(&state_->delayed_work_time); | |
| 77 if (state_->should_quit) | |
| 78 break; | |
| 79 | |
| 80 if (did_work) { | |
| 81 continue; | |
| 82 } | |
| 83 | |
| 84 did_work = state_->delegate->DoIdleWork(); | |
| 85 if (state_->should_quit) | |
| 86 break; | |
| 87 | |
| 88 if (did_work) | |
| 89 continue; | |
| 90 | |
| 91 // No native tasks to process right now. Process tasks from the Java | |
| 92 // System message handler. This will return when the java message queue | |
| 93 // is idle. | |
| 94 bool ret = Java_BrowserTestSystemMessageHandler_runNestedLoopTillIdle(env, | |
| 95 g_message_handler_obj.Get().obj()); | |
| 96 CHECK(ret) << "Error running java message loop, tests will likely fail."; | |
| 97 | |
| 98 if (state_->delayed_work_time.is_null()) { | |
| 99 state_->waitable_event.TimedWait(max_delay); | |
| 100 } else { | |
| 101 base::TimeDelta delay = | |
| 102 state_->delayed_work_time - base::TimeTicks::Now(); | |
| 103 if (delay > max_delay) | |
| 104 delay = max_delay; | |
| 105 if (delay > base::TimeDelta()) { | |
| 106 state_->waitable_event.TimedWait(delay); | |
| 107 } else { | |
| 108 // It looks like delayed_work_time indicates a time in the past, so we | |
| 109 // need to call DoDelayedWork now. | |
| 110 state_->delayed_work_time = base::TimeTicks(); | |
| 111 } | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 state_ = previous_state; | |
| 116 } | |
| 117 | |
| 118 void BrowserTestMessagePumpAndroid::Start( | |
| 119 base::MessagePump::Delegate* delegate) { | |
| 120 JNIEnv* env = base::android::AttachCurrentThread(); | |
| 121 DCHECK(env); | |
| 122 g_message_handler_obj.Get().Reset( | |
| 123 Java_BrowserTestSystemMessageHandler_create(env)); | |
| 124 | |
| 125 base::MessagePumpForUI::Start(delegate); | |
| 126 } | |
| 127 | |
| 128 void BrowserTestMessagePumpAndroid::Quit() { | |
| 129 if (state_) { | |
| 130 state_->should_quit = true; | |
| 131 state_->waitable_event.Signal(); | |
| 132 return; | |
| 133 } | |
| 134 base::MessagePumpForUI::Quit(); | |
| 135 } | |
| 136 | |
| 137 void BrowserTestMessagePumpAndroid::ScheduleWork() { | |
| 138 if (state_) { | |
| 139 state_->waitable_event.Signal(); | |
| 140 return; | |
| 141 } | |
| 142 | |
| 143 base::MessagePumpForUI::ScheduleWork(); | |
| 144 } | |
| 145 | |
| 146 void BrowserTestMessagePumpAndroid::ScheduleDelayedWork( | |
| 147 const base::TimeTicks& delayed_work_time) { | |
| 148 if (state_) { | |
| 149 // We know that we can't be blocked on Wait right now since this method can | |
| 150 // only be called on the same thread as Run, so we only need to update our | |
| 151 // record of how long to sleep when we do sleep. | |
| 152 state_->delayed_work_time = delayed_work_time; | |
| 153 return; | |
| 154 } | |
| 155 | |
| 156 base::MessagePumpForUI::ScheduleDelayedWork(delayed_work_time); | |
| 157 } | |
| 158 | |
| 159 // static | |
| 160 bool BrowserTestMessagePumpAndroid::RegisterJni(JNIEnv* env) { | |
| 161 return RegisterNativesImpl(env); | |
| 162 } | |
| 163 | |
| 164 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 17076008:
content_shell: Move BrowserTestSystemMessageHandler and use it in layout tests for Android (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src