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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mojo/runner/android/android_handler.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/scoped_native_library.h"
#include "jni/AndroidHandler_jni.h"
#include "mojo/common/data_pipe_utils.h"
#include "mojo/public/c/system/main.h"
#include "mojo/public/cpp/application/application_impl.h"
#include "mojo/runner/android/run_android_application_function.h"
#include "mojo/runner/native_application_support.h"
using base::android::AttachCurrentThread;
using base::android::ScopedJavaLocalRef;
using base::android::ConvertJavaStringToUTF8;
using base::android::ConvertUTF8ToJavaString;
using base::android::GetApplicationContext;
namespace mojo {
namespace runner {
namespace {
// This function loads the application library, sets the application context and
// thunks and calls into the application MojoMain. To ensure that the thunks are
// set correctly we keep it in the Mojo shell .so and pass the function pointer
// to the helper libbootstrap.so.
void RunAndroidApplication(JNIEnv* env,
jobject j_context,
const base::FilePath& app_path,
jint j_handle) {
InterfaceRequest<Application> application_request =
MakeRequest<Application>(MakeScopedHandle(MessagePipeHandle(j_handle)));
// Load the library, so that we can set the application context there if
// needed.
// TODO(vtl): We'd use a ScopedNativeLibrary, but it doesn't have .get()!
base::NativeLibrary app_library =
LoadNativeApplication(app_path, shell::NativeApplicationCleanup::DELETE);
if (!app_library)
return;
// Set the application context if needed. Most applications will need to
// access the Android ApplicationContext in which they are run. If the
// application library exports the InitApplicationContext function, we will
// set it there.
const char* init_application_context_name = "InitApplicationContext";
typedef void (*InitApplicationContextFn)(
const base::android::JavaRef<jobject>&);
InitApplicationContextFn init_application_context =
reinterpret_cast<InitApplicationContextFn>(
base::GetFunctionPointerFromNativeLibrary(
app_library, init_application_context_name));
if (init_application_context) {
base::android::ScopedJavaLocalRef<jobject> scoped_context(env, j_context);
init_application_context(scoped_context);
}
// Run the application.
RunNativeApplication(app_library, application_request.Pass());
// TODO(vtl): See note about unloading and thread-local destructors above
// declaration of |LoadNativeApplication()|.
base::UnloadNativeLibrary(app_library);
}
} // namespace
AndroidHandler::AndroidHandler() : content_handler_factory_(this) {
}
AndroidHandler::~AndroidHandler() {
}
void AndroidHandler::RunApplication(
InterfaceRequest<Application> application_request,
URLResponsePtr response) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jstring> j_archive_path =
Java_AndroidHandler_getNewTempArchivePath(env, GetApplicationContext());
base::FilePath archive_path(
ConvertJavaStringToUTF8(env, j_archive_path.obj()));
common::BlockingCopyToFile(response->body.Pass(), archive_path);
RunAndroidApplicationFn run_android_application_fn = &RunAndroidApplication;
Java_AndroidHandler_bootstrap(
env, GetApplicationContext(), j_archive_path.obj(),
application_request.PassMessagePipe().release().value(),
reinterpret_cast<jlong>(run_android_application_fn));
}
void AndroidHandler::Initialize(ApplicationImpl* app) {
}
bool AndroidHandler::ConfigureIncomingConnection(
ApplicationConnection* connection) {
connection->AddService(&content_handler_factory_);
return true;
}
bool RegisterAndroidHandlerJni(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // namespace runner
} // namespace mojo
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