Added network components for blimp text input feature

blimp/client/app/android/web_input_box.cc

 // Copyright 2016 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 "base/android/jni_string.h"
 #include "blimp/client/app/android/blimp_client_session_android.h"
 #include "blimp/client/app/android/web_input_box.h"
+#include "blimp/client/feature/web_input_feature.h"
 #include "jni/WebInputBox_jni.h"
 
 namespace blimp {
 namespace client {
 
 static jlong Init(JNIEnv* env,
                   const JavaParamRef<jobject>& jobj,
                   const JavaParamRef<jobject>& blimp_client_session) {
-  return reinterpret_cast<intptr_t>(new WebInputBox(env, jobj));
+  BlimpClientSession* client_session =
+      BlimpClientSessionAndroid::FromJavaObject(env,
+                                                blimp_client_session.obj());
+  return reinterpret_cast<intptr_t>(
+      new WebInputBox(env, jobj, client_session->GetWebInputFeature()));
 }
 
 // static
 bool WebInputBox::RegisterJni(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 WebInputBox::WebInputBox(JNIEnv* env,
-                         const base::android::JavaParamRef<jobject>& jobj) {
+                         const base::android::JavaParamRef<jobject>& jobj,
+                         WebInputFeature* web_input_feature) {
   java_obj_.Reset(env, jobj);
+  web_input_feature_ = web_input_feature;
+  web_input_feature_->SetDelegate(this);
 }
 
-WebInputBox::~WebInputBox() {}
+WebInputBox::~WebInputBox() {
+  web_input_feature_->SetDelegate(NULL);

[Khushal, 2016/03/17 10:02:45]

nit: I think we use nullptr in the code now.

[shaktisahu, 2016/03/18 19:08:05]

Done.

+}
 
 void WebInputBox::Destroy(JNIEnv* env, const JavaParamRef<jobject>& jobj) {
   delete this;
 }
 
-void WebInputBox::OnImeRequested(bool show) {
+void WebInputBox::OnShowImeRequested(int input_type, const std::string& text) {
   JNIEnv* env = base::android::AttachCurrentThread();
-  Java_WebInputBox_onImeRequested(env, java_obj_.obj(), show);
+  Java_WebInputBox_onShowImeRequested(
+      env, java_obj_.obj(), input_type,
+      base::android::ConvertUTF8ToJavaString(env, text).obj());
+}
+
+void WebInputBox::OnHideImeRequested() {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_WebInputBox_onHideImeRequested(env, java_obj_.obj());
 }
 
 void WebInputBox::OnImeTextEntered(JNIEnv* env,
                                    const JavaParamRef<jobject>& jobj,
                                    const JavaParamRef<jstring>& text) {
-  // TODO(shaktisahu): Send text to browser.
+  std::string textInput = base::android::ConvertJavaStringToUTF8(env, text);
+  web_input_feature_->SendImeTextToEngine(textInput);
 }
 
 }  // namespace client
 }  // namespace blimp