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| 1 // Copyright 2014 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/shell/android/android_handler.h" |
| 6 |
| 7 #include "base/android/jni_android.h" |
| 8 #include "base/android/jni_string.h" |
| 9 #include "base/files/file_path.h" |
| 10 #include "base/logging.h" |
| 11 #include "base/scoped_native_library.h" |
| 12 #include "jni/AndroidHandler_jni.h" |
| 13 #include "mojo/common/data_pipe_utils.h" |
| 14 #include "mojo/public/c/system/main.h" |
| 15 #include "mojo/public/cpp/application/application_impl.h" |
| 16 #include "mojo/shell/android/run_android_application_function.h" |
| 17 #include "mojo/shell/native_application_support.h" |
| 18 |
| 19 using base::android::AttachCurrentThread; |
| 20 using base::android::ScopedJavaLocalRef; |
| 21 using base::android::ConvertJavaStringToUTF8; |
| 22 using base::android::ConvertUTF8ToJavaString; |
| 23 using base::android::GetApplicationContext; |
| 24 |
| 25 namespace mojo { |
| 26 namespace shell { |
| 27 |
| 28 namespace { |
| 29 |
| 30 // This function loads the application library, sets the application context and |
| 31 // thunks and calls into the application MojoMain. To ensure that the thunks are |
| 32 // set correctly we keep it in the Mojo shell .so and pass the function pointer |
| 33 // to the helper libbootstrap.so. |
| 34 void RunAndroidApplication(JNIEnv* env, |
| 35 jobject j_context, |
| 36 const base::FilePath& app_path, |
| 37 jint j_handle) { |
| 38 InterfaceRequest<Application> application_request = |
| 39 MakeRequest<Application>(MakeScopedHandle(MessagePipeHandle(j_handle))); |
| 40 |
| 41 // Load the library, so that we can set the application context there if |
| 42 // needed. |
| 43 // TODO(vtl): We'd use a ScopedNativeLibrary, but it doesn't have .get()! |
| 44 base::NativeLibrary app_library = |
| 45 LoadNativeApplication(app_path, NativeApplicationCleanup::DELETE); |
| 46 if (!app_library) |
| 47 return; |
| 48 |
| 49 // Set the application context if needed. Most applications will need to |
| 50 // access the Android ApplicationContext in which they are run. If the |
| 51 // application library exports the InitApplicationContext function, we will |
| 52 // set it there. |
| 53 const char* init_application_context_name = "InitApplicationContext"; |
| 54 typedef void (*InitApplicationContextFn)( |
| 55 const base::android::JavaRef<jobject>&); |
| 56 InitApplicationContextFn init_application_context = |
| 57 reinterpret_cast<InitApplicationContextFn>( |
| 58 base::GetFunctionPointerFromNativeLibrary( |
| 59 app_library, init_application_context_name)); |
| 60 if (init_application_context) { |
| 61 base::android::ScopedJavaLocalRef<jobject> scoped_context(env, j_context); |
| 62 init_application_context(scoped_context); |
| 63 } |
| 64 |
| 65 // Run the application. |
| 66 RunNativeApplication(app_library, application_request.Pass()); |
| 67 // TODO(vtl): See note about unloading and thread-local destructors above |
| 68 // declaration of |LoadNativeApplication()|. |
| 69 base::UnloadNativeLibrary(app_library); |
| 70 } |
| 71 |
| 72 } // namespace |
| 73 |
| 74 AndroidHandler::AndroidHandler() : content_handler_factory_(this) { |
| 75 } |
| 76 |
| 77 AndroidHandler::~AndroidHandler() { |
| 78 } |
| 79 |
| 80 void AndroidHandler::RunApplication( |
| 81 InterfaceRequest<Application> application_request, |
| 82 URLResponsePtr response) { |
| 83 JNIEnv* env = AttachCurrentThread(); |
| 84 ScopedJavaLocalRef<jstring> j_archive_path = |
| 85 Java_AndroidHandler_getNewTempArchivePath(env, GetApplicationContext()); |
| 86 base::FilePath archive_path( |
| 87 ConvertJavaStringToUTF8(env, j_archive_path.obj())); |
| 88 |
| 89 common::BlockingCopyToFile(response->body.Pass(), archive_path); |
| 90 RunAndroidApplicationFn run_android_application_fn = &RunAndroidApplication; |
| 91 Java_AndroidHandler_bootstrap( |
| 92 env, GetApplicationContext(), j_archive_path.obj(), |
| 93 application_request.PassMessagePipe().release().value(), |
| 94 reinterpret_cast<jlong>(run_android_application_fn)); |
| 95 } |
| 96 |
| 97 void AndroidHandler::Initialize(ApplicationImpl* app) { |
| 98 } |
| 99 |
| 100 bool AndroidHandler::ConfigureIncomingConnection( |
| 101 ApplicationConnection* connection) { |
| 102 connection->AddService(&content_handler_factory_); |
| 103 return true; |
| 104 } |
| 105 |
| 106 bool RegisterAndroidHandlerJni(JNIEnv* env) { |
| 107 return RegisterNativesImpl(env); |
| 108 } |
| 109 |
| 110 } // namespace shell |
| 111 } // namespace mojo |
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