1 // Copyright 2015 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 "mojo/android/system/base_run_loop.h"
6
7 #include <jni.h>
8
9 #include "base/android/base_jni_registrar.h"
10 #include "base/android/jni_android.h"
11 #include "base/android/jni_registrar.h"
12 #include "base/bind.h"
13 #include "base/message_loop/message_loop.h"
14 #include "jni/BaseRunLoop_jni.h"
15 #include "mojo/message_pump/message_pump_mojo.h"
16
17 namespace mojo {
18 namespace android {
19
CreateBaseRunLoop(JNIEnv * env,const JavaParamRef<jobject> & jcaller)20 static jlong CreateBaseRunLoop(JNIEnv* env,
21 const JavaParamRef<jobject>& jcaller) {
22 base::MessageLoop* message_loop =
23 new base::MessageLoop(common::MessagePumpMojo::Create());
24 return reinterpret_cast<uintptr_t>(message_loop);
25 }
26
Run(JNIEnv * env,const JavaParamRef<jobject> & jcaller,jlong runLoopID)27 static void Run(JNIEnv* env,
28 const JavaParamRef<jobject>& jcaller,
29 jlong runLoopID) {
30 reinterpret_cast<base::MessageLoop*>(runLoopID)->Run();
31 }
32
RunUntilIdle(JNIEnv * env,const JavaParamRef<jobject> & jcaller,jlong runLoopID)33 static void RunUntilIdle(JNIEnv* env,
34 const JavaParamRef<jobject>& jcaller,
35 jlong runLoopID) {
36 reinterpret_cast<base::MessageLoop*>(runLoopID)->RunUntilIdle();
37 }
38
Quit(JNIEnv * env,const JavaParamRef<jobject> & jcaller,jlong runLoopID)39 static void Quit(JNIEnv* env,
40 const JavaParamRef<jobject>& jcaller,
41 jlong runLoopID) {
42 reinterpret_cast<base::MessageLoop*>(runLoopID)->QuitWhenIdle();
43 }
44
RunJavaRunnable(const base::android::ScopedJavaGlobalRef<jobject> & runnable_ref)45 static void RunJavaRunnable(
46 const base::android::ScopedJavaGlobalRef<jobject>& runnable_ref) {
47 Java_BaseRunLoop_runRunnable(base::android::AttachCurrentThread(),
48 runnable_ref.obj());
49 }
50
PostDelayedTask(JNIEnv * env,const JavaParamRef<jobject> & jcaller,jlong runLoopID,const JavaParamRef<jobject> & runnable,jlong delay)51 static void PostDelayedTask(JNIEnv* env,
52 const JavaParamRef<jobject>& jcaller,
53 jlong runLoopID,
54 const JavaParamRef<jobject>& runnable,
55 jlong delay) {
56 base::android::ScopedJavaGlobalRef<jobject> runnable_ref;
57 // ScopedJavaGlobalRef do not hold onto the env reference, so it is safe to
58 // use it across threads. |RunJavaRunnable| will acquire a new JNIEnv before
59 // running the Runnable.
60 runnable_ref.Reset(env, runnable);
61 reinterpret_cast<base::MessageLoop*>(runLoopID)->PostDelayedTask(
62 FROM_HERE, base::Bind(&RunJavaRunnable, runnable_ref),
63 base::TimeDelta::FromMicroseconds(delay));
64 }
65
DeleteMessageLoop(JNIEnv * env,const JavaParamRef<jobject> & jcaller,jlong runLoopID)66 static void DeleteMessageLoop(JNIEnv* env,
67 const JavaParamRef<jobject>& jcaller,
68 jlong runLoopID) {
69 base::MessageLoop* message_loop =
70 reinterpret_cast<base::MessageLoop*>(runLoopID);
71 delete message_loop;
72 }
73
RegisterBaseRunLoop(JNIEnv * env)74 bool RegisterBaseRunLoop(JNIEnv* env) {
75 return RegisterNativesImpl(env);
76 }
77
78 } // namespace android
79 } // namespace mojo
80
81
82