| OLD | NEW |
| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "mojo/android/system/watcher_impl.h" | 5 #include "mojo/android/system/watcher_impl.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include "base/android/base_jni_registrar.h" | 10 #include "base/android/base_jni_registrar.h" |
| 11 #include "base/android/jni_android.h" | 11 #include "base/android/jni_android.h" |
| 12 #include "base/android/jni_registrar.h" | 12 #include "base/android/jni_registrar.h" |
| 13 #include "base/android/library_loader/library_loader_hooks.h" | 13 #include "base/android/library_loader/library_loader_hooks.h" |
| 14 #include "base/android/scoped_java_ref.h" | 14 #include "base/android/scoped_java_ref.h" |
| 15 #include "base/bind.h" | 15 #include "base/bind.h" |
| 16 #include "jni/WatcherImpl_jni.h" | 16 #include "jni/WatcherImpl_jni.h" |
| 17 #include "mojo/public/cpp/system/handle.h" | 17 #include "mojo/public/cpp/system/handle.h" |
| 18 #include "mojo/public/cpp/system/watcher.h" | 18 #include "mojo/public/cpp/system/simple_watcher.h" |
| 19 | 19 |
| 20 namespace mojo { | 20 namespace mojo { |
| 21 namespace android { | 21 namespace android { |
| 22 | 22 |
| 23 using base::android::JavaParamRef; | 23 using base::android::JavaParamRef; |
| 24 | 24 |
| 25 namespace { | 25 namespace { |
| 26 | 26 |
| 27 class WatcherImpl { | 27 class WatcherImpl { |
| 28 public: | 28 public: |
| 29 WatcherImpl() : watcher_(FROM_HERE) {} | 29 WatcherImpl() : watcher_(FROM_HERE, SimpleWatcher::ArmingPolicy::AUTOMATIC) {} |
| 30 | 30 |
| 31 ~WatcherImpl() = default; | 31 ~WatcherImpl() = default; |
| 32 | 32 |
| 33 jint Start(JNIEnv* env, | 33 jint Start(JNIEnv* env, |
| 34 const JavaParamRef<jobject>& jcaller, | 34 const JavaParamRef<jobject>& jcaller, |
| 35 jint mojo_handle, | 35 jint mojo_handle, |
| 36 jint signals) { | 36 jint signals) { |
| 37 java_watcher_.Reset(env, jcaller); | 37 java_watcher_.Reset(env, jcaller); |
| 38 | 38 |
| 39 auto ready_callback = | 39 auto ready_callback = |
| 40 base::Bind(&WatcherImpl::OnHandleReady, base::Unretained(this)); | 40 base::Bind(&WatcherImpl::OnHandleReady, base::Unretained(this)); |
| 41 | 41 |
| 42 MojoResult result = | 42 MojoResult result = |
| 43 watcher_.Start(mojo::Handle(static_cast<MojoHandle>(mojo_handle)), | 43 watcher_.Watch(mojo::Handle(static_cast<MojoHandle>(mojo_handle)), |
| 44 static_cast<MojoHandleSignals>(signals), ready_callback); | 44 static_cast<MojoHandleSignals>(signals), ready_callback); |
| 45 | |
| 46 if (result != MOJO_RESULT_OK) | 45 if (result != MOJO_RESULT_OK) |
| 47 java_watcher_.Reset(); | 46 java_watcher_.Reset(); |
| 48 | 47 |
| 49 return result; | 48 return result; |
| 50 } | 49 } |
| 51 | 50 |
| 52 void Cancel() { | 51 void Cancel() { |
| 53 java_watcher_.Reset(); | 52 java_watcher_.Reset(); |
| 54 watcher_.Cancel(); | 53 watcher_.Cancel(); |
| 55 } | 54 } |
| 56 | 55 |
| 57 private: | 56 private: |
| 58 void OnHandleReady(MojoResult result) { | 57 void OnHandleReady(MojoResult result) { |
| 59 DCHECK(!java_watcher_.is_null()); | 58 DCHECK(!java_watcher_.is_null()); |
| 60 | 59 |
| 61 base::android::ScopedJavaGlobalRef<jobject> java_watcher_preserver; | 60 base::android::ScopedJavaGlobalRef<jobject> java_watcher_preserver; |
| 62 if (result == MOJO_RESULT_CANCELLED) | 61 if (result == MOJO_RESULT_CANCELLED) |
| 63 java_watcher_preserver = std::move(java_watcher_); | 62 java_watcher_preserver = std::move(java_watcher_); |
| 64 | 63 |
| 65 Java_WatcherImpl_onHandleReady( | 64 Java_WatcherImpl_onHandleReady( |
| 66 base::android::AttachCurrentThread(), | 65 base::android::AttachCurrentThread(), |
| 67 java_watcher_.is_null() ? java_watcher_preserver : java_watcher_, | 66 java_watcher_.is_null() ? java_watcher_preserver : java_watcher_, |
| 68 result); | 67 result); |
| 69 } | 68 } |
| 70 | 69 |
| 71 Watcher watcher_; | 70 SimpleWatcher watcher_; |
| 72 base::android::ScopedJavaGlobalRef<jobject> java_watcher_; | 71 base::android::ScopedJavaGlobalRef<jobject> java_watcher_; |
| 73 | 72 |
| 74 DISALLOW_COPY_AND_ASSIGN(WatcherImpl); | 73 DISALLOW_COPY_AND_ASSIGN(WatcherImpl); |
| 75 }; | 74 }; |
| 76 | 75 |
| 77 } // namespace | 76 } // namespace |
| 78 | 77 |
| 79 static jlong CreateWatcher(JNIEnv* env, const JavaParamRef<jobject>& jcaller) { | 78 static jlong CreateWatcher(JNIEnv* env, const JavaParamRef<jobject>& jcaller) { |
| 80 return reinterpret_cast<jlong>(new WatcherImpl); | 79 return reinterpret_cast<jlong>(new WatcherImpl); |
| 81 } | 80 } |
| (...skipping 18 matching lines...) Expand all Loading... |
| 100 jlong watcher_ptr) { | 99 jlong watcher_ptr) { |
| 101 delete reinterpret_cast<WatcherImpl*>(watcher_ptr); | 100 delete reinterpret_cast<WatcherImpl*>(watcher_ptr); |
| 102 } | 101 } |
| 103 | 102 |
| 104 bool RegisterWatcherImpl(JNIEnv* env) { | 103 bool RegisterWatcherImpl(JNIEnv* env) { |
| 105 return RegisterNativesImpl(env); | 104 return RegisterNativesImpl(env); |
| 106 } | 105 } |
| 107 | 106 |
| 108 } // namespace android | 107 } // namespace android |
| 109 } // namespace mojo | 108 } // namespace mojo |
| OLD | NEW |