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- // Copyright 2020 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 "android_webview/browser/js_java_interaction/aw_web_message_host_factory.h"
- #include "android_webview/browser/js_java_interaction/js_reply_proxy.h"
- #include "android_webview/browser_jni_headers/WebMessageListenerHolder_jni.h"
- #include "android_webview/browser_jni_headers/WebMessageListenerInfo_jni.h"
- #include "base/android/jni_android.h"
- #include "base/android/jni_array.h"
- #include "base/android/jni_string.h"
- #include "components/js_injection/browser/js_communication_host.h"
- #include "components/js_injection/browser/web_message.h"
- #include "components/js_injection/browser/web_message_host.h"
- #include "components/js_injection/common/origin_matcher.h"
- #include "content/public/browser/android/message_port_helper.h"
- namespace android_webview {
- namespace {
- // Calls through to WebMessageListenerInfo.
- class AwWebMessageHost : public js_injection::WebMessageHost {
- public:
- AwWebMessageHost(js_injection::WebMessageReplyProxy* reply_proxy,
- const base::android::ScopedJavaGlobalRef<jobject>& listener,
- const std::string& origin_string,
- bool is_main_frame)
- : reply_proxy_(reply_proxy),
- listener_(listener),
- origin_string_(origin_string),
- is_main_frame_(is_main_frame) {}
- ~AwWebMessageHost() override = default;
- // js_injection::WebMessageHost:
- void OnPostMessage(
- std::unique_ptr<js_injection::WebMessage> message) override {
- JNIEnv* env = base::android::AttachCurrentThread();
- base::android::ScopedJavaLocalRef<jobjectArray> jports =
- content::android::CreateJavaMessagePort(std::move(message->ports));
- Java_WebMessageListenerHolder_onPostMessage(
- env, listener_,
- base::android::ConvertUTF16ToJavaString(env, message->message),
- base::android::ConvertUTF8ToJavaString(env, origin_string_),
- is_main_frame_, jports, reply_proxy_.GetJavaPeer());
- }
- private:
- JsReplyProxy reply_proxy_;
- base::android::ScopedJavaGlobalRef<jobject> listener_;
- const std::string origin_string_;
- const bool is_main_frame_;
- };
- } // namespace
- AwWebMessageHostFactory::AwWebMessageHostFactory(
- const base::android::JavaParamRef<jobject>& listener)
- : listener_(listener) {}
- AwWebMessageHostFactory::~AwWebMessageHostFactory() = default;
- // static
- base::android::ScopedJavaLocalRef<jobjectArray>
- AwWebMessageHostFactory::GetWebMessageListenerInfo(
- js_injection::JsCommunicationHost* host,
- JNIEnv* env,
- const base::android::JavaParamRef<jclass>& clazz) {
- auto factories = host->GetWebMessageHostFactories();
- jobjectArray joa =
- env->NewObjectArray(factories.size(), clazz.obj(), nullptr);
- base::android::CheckException(env);
- for (size_t i = 0; i < factories.size(); ++i) {
- const auto& factory = factories[i];
- const std::vector<std::string> rules =
- factory.allowed_origin_rules.Serialize();
- base::android::ScopedJavaLocalRef<jobject> object =
- Java_WebMessageListenerInfo_create(
- env, base::android::ConvertUTF16ToJavaString(env, factory.js_name),
- base::android::ToJavaArrayOfStrings(env, rules),
- static_cast<AwWebMessageHostFactory*>(factory.factory)->listener_);
- env->SetObjectArrayElement(joa, i, object.obj());
- }
- return base::android::ScopedJavaLocalRef<jobjectArray>(env, joa);
- }
- std::unique_ptr<js_injection::WebMessageHost>
- AwWebMessageHostFactory::CreateHost(const std::string& origin_string,
- bool is_main_frame,
- js_injection::WebMessageReplyProxy* proxy) {
- return std::make_unique<AwWebMessageHost>(proxy, listener_, origin_string,
- is_main_frame);
- }
- } // namespace android_webview
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