Move mojo/runner to mojo/shell/standalone

mojo/runner/android/android_handler.cc

-// 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 <stddef.h>
-#include <utility>
-
-#include "base/android/context_utils.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/runner/android/run_android_application_function.h"
-#include "mojo/shell/public/cpp/application_impl.h"
-#include "mojo/shell/runner/host/native_application_support.h"
-#include "mojo/util/filename_util.h"
-#include "url/gurl.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 = shell::LoadNativeApplication(app_path);
-  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.
-  shell::RunNativeApplication(app_library, std::move(application_request));
-  // TODO(vtl): See note about unloading and thread-local destructors above
-  // declaration of |LoadNativeApplication()|.
-  base::UnloadNativeLibrary(app_library);
-}
-
-// Returns true if |url| denotes a cached app. If true |app_dir| is set to the
-// path of the directory for the app and |path_to_mojo| the path of the app's
-// .mojo file.
-bool IsCachedApp(JNIEnv* env,
-                 const GURL& url,
-                 base::FilePath* app_dir,
-                 base::FilePath* path_to_mojo) {
-  ScopedJavaLocalRef<jstring> j_cached_apps_dir =
-      Java_AndroidHandler_getCachedAppsDir(env, GetApplicationContext());
-  const base::FilePath cached_apps_fp(
-      ConvertJavaStringToUTF8(env, j_cached_apps_dir.obj()));
-  const std::string cached_apps(util::FilePathToFileURL(cached_apps_fp).spec());
-  const std::string response_url(GURL(url).spec());
-  if (response_url.size() <= cached_apps.size() ||
-      cached_apps.compare(0u, cached_apps.size(), response_url, 0u,
-                          cached_apps.size()) != 0) {
-    return false;
-  }
-
-  const std::string mojo_suffix(".mojo");
-  // app_rel_path is either something like html_viewer/html_viewer.mojo, or
-  // html_viewer.mojo, depending upon whether the app has a package.
-  const std::string app_rel_path(response_url.substr(cached_apps.size() + 1));
-  const size_t slash_index = app_rel_path.find('/');
-  if (slash_index != std::string::npos) {
-    const std::string tail =
-        app_rel_path.substr(slash_index + 1, std::string::npos);
-    const std::string head = app_rel_path.substr(0, slash_index);
-    if (head.find('/') != std::string::npos ||
-        tail.size() <= mojo_suffix.size() ||
-        tail.compare(tail.size() - mojo_suffix.size(), tail.size(),
-                     mojo_suffix) != 0) {
-      return false;
-    }
-    *app_dir = cached_apps_fp.Append(head);
-    *path_to_mojo = app_dir->Append(tail);
-    return true;
-  }
-  if (app_rel_path.find('/') != std::string::npos ||
-      app_rel_path.size() <= mojo_suffix.size() ||
-      app_rel_path.compare(app_rel_path.size() - mojo_suffix.size(),
-                           mojo_suffix.size(), mojo_suffix) != 0) {
-    return false;
-  }
-
-  *app_dir = cached_apps_fp.Append(
-      app_rel_path.substr(0, app_rel_path.size() - mojo_suffix.size()));
-  *path_to_mojo = cached_apps_fp.Append(app_rel_path);
-  return true;
-}
-
-}  // namespace
-
-AndroidHandler::AndroidHandler() : content_handler_factory_(this) {
-}
-
-AndroidHandler::~AndroidHandler() {
-}
-
-void AndroidHandler::RunApplication(
-    InterfaceRequest<Application> application_request,
-    URLResponsePtr response) {
-  JNIEnv* env = AttachCurrentThread();
-  RunAndroidApplicationFn run_android_application_fn = &RunAndroidApplication;
-  if (!response->url.is_null()) {
-    base::FilePath internal_app_path;
-    base::FilePath path_to_mojo;
-    if (IsCachedApp(env, GURL(response->url.get()), &internal_app_path,
-                    &path_to_mojo)) {
-      ScopedJavaLocalRef<jstring> j_internal_app_path(
-          ConvertUTF8ToJavaString(env, internal_app_path.value()));
-      ScopedJavaLocalRef<jstring> j_path_to_mojo(
-          ConvertUTF8ToJavaString(env, path_to_mojo.value()));
-      Java_AndroidHandler_bootstrapCachedApp(
-          env, GetApplicationContext(), j_path_to_mojo.obj(),
-          j_internal_app_path.obj(),
-          application_request.PassMessagePipe().release().value(),
-          reinterpret_cast<jlong>(run_android_application_fn));
-      return;
-    }
-  }
-  ScopedJavaLocalRef<jstring> j_archive_path =
-      Java_AndroidHandler_getNewTempArchivePath(env, GetApplicationContext());
-  base::FilePath archive_path(
-      ConvertJavaStringToUTF8(env, j_archive_path.obj()));
-
-  common::BlockingCopyToFile(std::move(response->body), archive_path);
-  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