aw_web_message_host_factory.cc 3.8 KB

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  1. // Copyright 2020 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. #include "android_webview/browser/js_java_interaction/aw_web_message_host_factory.h"
  5. #include "android_webview/browser/js_java_interaction/js_reply_proxy.h"
  6. #include "android_webview/browser_jni_headers/WebMessageListenerHolder_jni.h"
  7. #include "android_webview/browser_jni_headers/WebMessageListenerInfo_jni.h"
  8. #include "base/android/jni_android.h"
  9. #include "base/android/jni_array.h"
  10. #include "base/android/jni_string.h"
  11. #include "components/js_injection/browser/js_communication_host.h"
  12. #include "components/js_injection/browser/web_message.h"
  13. #include "components/js_injection/browser/web_message_host.h"
  14. #include "components/js_injection/common/origin_matcher.h"
  15. #include "content/public/browser/android/message_port_helper.h"
  16. namespace android_webview {
  17. namespace {
  18. // Calls through to WebMessageListenerInfo.
  19. class AwWebMessageHost : public js_injection::WebMessageHost {
  20. public:
  21. AwWebMessageHost(js_injection::WebMessageReplyProxy* reply_proxy,
  22. const base::android::ScopedJavaGlobalRef<jobject>& listener,
  23. const std::string& origin_string,
  24. bool is_main_frame)
  25. : reply_proxy_(reply_proxy),
  26. listener_(listener),
  27. origin_string_(origin_string),
  28. is_main_frame_(is_main_frame) {}
  29. ~AwWebMessageHost() override = default;
  30. // js_injection::WebMessageHost:
  31. void OnPostMessage(
  32. std::unique_ptr<js_injection::WebMessage> message) override {
  33. JNIEnv* env = base::android::AttachCurrentThread();
  34. base::android::ScopedJavaLocalRef<jobjectArray> jports =
  35. content::android::CreateJavaMessagePort(std::move(message->ports));
  36. Java_WebMessageListenerHolder_onPostMessage(
  37. env, listener_,
  38. base::android::ConvertUTF16ToJavaString(env, message->message),
  39. base::android::ConvertUTF8ToJavaString(env, origin_string_),
  40. is_main_frame_, jports, reply_proxy_.GetJavaPeer());
  41. }
  42. private:
  43. JsReplyProxy reply_proxy_;
  44. base::android::ScopedJavaGlobalRef<jobject> listener_;
  45. const std::string origin_string_;
  46. const bool is_main_frame_;
  47. };
  48. } // namespace
  49. AwWebMessageHostFactory::AwWebMessageHostFactory(
  50. const base::android::JavaParamRef<jobject>& listener)
  51. : listener_(listener) {}
  52. AwWebMessageHostFactory::~AwWebMessageHostFactory() = default;
  53. // static
  54. base::android::ScopedJavaLocalRef<jobjectArray>
  55. AwWebMessageHostFactory::GetWebMessageListenerInfo(
  56. js_injection::JsCommunicationHost* host,
  57. JNIEnv* env,
  58. const base::android::JavaParamRef<jclass>& clazz) {
  59. auto factories = host->GetWebMessageHostFactories();
  60. jobjectArray joa =
  61. env->NewObjectArray(factories.size(), clazz.obj(), nullptr);
  62. base::android::CheckException(env);
  63. for (size_t i = 0; i < factories.size(); ++i) {
  64. const auto& factory = factories[i];
  65. const std::vector<std::string> rules =
  66. factory.allowed_origin_rules.Serialize();
  67. base::android::ScopedJavaLocalRef<jobject> object =
  68. Java_WebMessageListenerInfo_create(
  69. env, base::android::ConvertUTF16ToJavaString(env, factory.js_name),
  70. base::android::ToJavaArrayOfStrings(env, rules),
  71. static_cast<AwWebMessageHostFactory*>(factory.factory)->listener_);
  72. env->SetObjectArrayElement(joa, i, object.obj());
  73. }
  74. return base::android::ScopedJavaLocalRef<jobjectArray>(env, joa);
  75. }
  76. std::unique_ptr<js_injection::WebMessageHost>
  77. AwWebMessageHostFactory::CreateHost(const std::string& origin_string,
  78. bool is_main_frame,
  79. js_injection::WebMessageReplyProxy* proxy) {
  80. return std::make_unique<AwWebMessageHost>(proxy, listener_, origin_string,
  81. is_main_frame);
  82. }
  83. } // namespace android_webview