[TTS] Add a Java Context linked to existing native

chrome/browser/android/contextualsearch/contextual_search_context.cc

 // Copyright 2015 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 "chrome/browser/android/contextualsearch/contextual_search_context.h"
+#include <chrome/browser/android/contextualsearch/contextual_search_context.h>
 
-ContextualSearchContext::ContextualSearchContext(
-    const std::string& selected_text,
-    const std::string& home_country,
-    const GURL& page_url,
-    const std::string& encoding)
-    : selected_text(selected_text),
-      home_country(home_country),
-      page_url(page_url),
-      encoding(encoding) {}
+#include "base/android/jni_string.h"
+#include "content/public/browser/browser_thread.h"
+
+#include "jni/ContextualSearchContext_jni.h"
+
+ContextualSearchContext::ContextualSearchContext(JNIEnv* env, jobject obj) {
+  java_object_.Reset(env, obj);
+}
+
+// Constructor for tests.
+ContextualSearchContext::ContextualSearchContext() {
+  java_object_ = nullptr;
+}
 
 ContextualSearchContext::~ContextualSearchContext() {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  if (java_object_.obj() != nullptr)
+    Java_ContextualSearchContext_clearNativePointer(env, java_object_);
 }
+
+// static
+ContextualSearchContext*
+ContextualSearchContext::FromJavaContextualSearchContext(
+    const base::android::JavaRef<jobject>& j_contextual_search_context) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+  if (j_contextual_search_context.is_null())
+    return NULL;
+
+  ContextualSearchContext* contextual_search_context =
+      reinterpret_cast<ContextualSearchContext*>(
+          Java_ContextualSearchContext_getNativePointer(
+              base::android::AttachCurrentThread(),
+              j_contextual_search_context));
+  return contextual_search_context;
+}
+
+void ContextualSearchContext::SetUseBriefPageContent(
+    JNIEnv* env,
+    jobject obj,
+    jboolean j_use_brief_page_content) {
+  is_brief_surrounding_text = j_use_brief_page_content;
+}
+
+void ContextualSearchContext::SetProperties(
+    JNIEnv* env,
+    jobject obj,
+    const base::android::JavaParamRef<jstring>& j_selection,
+    const base::android::JavaParamRef<jstring>& j_home_country,
+    jboolean j_may_send_base_page_url) {
+  SetPropertiesInternal(
+      base::android::ConvertJavaStringToUTF8(env, j_selection),
+      base::android::ConvertJavaStringToUTF8(env, j_home_country),
+      j_may_send_base_page_url);
+}
+
+void ContextualSearchContext::SetPropertiesInternal(
+    std::string selection,
+    std::string home_country,
+    bool may_send_base_page_url) {
+  selected_text = selection;
+  this->home_country = home_country;
+  this->may_send_base_page_url = may_send_base_page_url;
+}
+
+bool ContextualSearchContext::IsBrief() {
+  return is_brief_surrounding_text;
+}
+
+bool ContextualSearchContext::MaySendBasePageUrl() {
+  return may_send_base_page_url;
+}
+
+// Java wrapper boilerplate
+
+void ContextualSearchContext::Destroy(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& obj) {
+  delete this;
+}
+
+bool RegisterContextualSearchContext(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+jlong Init(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj) {
+  ContextualSearchContext* context = new ContextualSearchContext(env, obj);
+  return reinterpret_cast<intptr_t>(context);
+}