webview_entry_point.cc revision 010d83a9304c5a91596085d917d248abff47903a 
1// Copyright (c) 2012 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 "android_webview/lib/main/aw_main_delegate.h"
6#include "android_webview/native/android_webview_jni_registrar.h"
7#include "base/android/jni_android.h"
8#include "base/android/jni_registrar.h"
9#include "base/android/library_loader/library_loader_hooks.h"
10#include "components/navigation_interception/component_jni_registrar.h"
11#include "components/web_contents_delegate_android/component_jni_registrar.h"
12#include "content/public/app/android_library_loader_hooks.h"
13#include "content/public/app/content_main.h"
14#include "url/url_util.h"
15
16static base::android::RegistrationMethod
17    kWebViewDependencyRegisteredMethods[] = {
18    { "NavigationInterception",
19        navigation_interception::RegisterNavigationInterceptionJni },
20    { "WebContentsDelegateAndroid",
21        web_contents_delegate_android::RegisterWebContentsDelegateAndroidJni },
22};
23
24// This is called by the VM when the shared library is first loaded.
25// Most of the initialization is done in LibraryLoadedOnMainThread(), not here.
26JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
27
28  base::android::SetLibraryLoadedHook(&content::LibraryLoaded);
29
30  base::android::InitVM(vm);
31  JNIEnv* env = base::android::AttachCurrentThread();
32  if (!base::android::RegisterLibraryLoaderEntryHook(env))
33    return -1;
34
35  // Register content JNI functions now, rather than waiting until
36  // LibraryLoadedOnMainThread, so that we can call into native code early.
37  if (!content::EnsureJniRegistered(env))
38    return -1;
39
40  // Register JNI for components we depend on.
41  if (!RegisterNativeMethods(
42      env,
43      kWebViewDependencyRegisteredMethods,
44      arraysize(kWebViewDependencyRegisteredMethods)))
45    return -1;
46
47  if (!android_webview::RegisterJni(env))
48    return -1;
49
50  content::SetContentMainDelegate(new android_webview::AwMainDelegate());
51
52  // Initialize url lib here while we are still single-threaded, in case we use
53  // CookieManager before initializing Chromium (which would normally have done
54  // this). It's safe to call this multiple times.
55  url::Initialize();
56
57  return JNI_VERSION_1_4;
58}
59