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