Tied up BlimpNavigationController to NavigationFeature

blimp/client/feature/navigation_feature.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 "blimp/client/feature/navigation_feature.h"
-
-#include <map>
-#include <string>
-
-#include "blimp/common/create_blimp_message.h"
-#include "blimp/common/proto/blimp_message.pb.h"
-#include "blimp/common/proto/navigation.pb.h"
-#include "components/url_formatter/url_fixer.h"
-#include "net/base/net_errors.h"
-#include "url/gurl.h"
-#include "url/url_canon.h"
-#include "url/url_util.h"
-
-namespace blimp {
-namespace client {
-
-NavigationFeature::NavigationFeature() {}
-
-NavigationFeature::~NavigationFeature() {}
-
-void NavigationFeature::set_outgoing_message_processor(
-    std::unique_ptr<BlimpMessageProcessor> processor) {
-  outgoing_message_processor_ = std::move(processor);
-}
-
-void NavigationFeature::SetDelegate(int tab_id,
-                                    NavigationFeatureDelegate* delegate) {
-  DCHECK(!FindDelegate(tab_id));
-  delegates_[tab_id] = delegate;
-}
-
-void NavigationFeature::RemoveDelegate(int tab_id) {
-  DelegateMap::iterator it = delegates_.find(tab_id);
-  if (it != delegates_.end())
-    delegates_.erase(it);
-}
-
-void NavigationFeature::NavigateToUrlText(int tab_id,
-                                          const std::string& url_text) {
-  // Fixes up url, e.g., convert "google.com" to "http://google.com".
-  // It also converts "example" to "http://example/" (a valid GURL but no
-  // website). In order to use search instead in this case, we check
-  // the host part of the URL to see if it contains '.', and use search
-  // instead if it does not. Note that this heuristic is not correct, since
-  // valid GURL such as "chrome://version/" do not have '.'. The heuristic is
-  // used only for v0.5 and useful for dev&test.
-  // TODO(haibinlu): Remove once omnibox is used.
-  GURL url = url_formatter::FixupURL(url_text, std::string());
-  if (!url.is_valid() || url.host_piece().find('.') == std::string::npos) {
-    url::RawCanonOutputT<char> buffer;
-    url::EncodeURIComponent(url_text.data(), url_text.size(), &buffer);
-    std::string encoded_query(buffer.data(), buffer.length());
-    url = GURL("https://www.google.com/#q=" + encoded_query);
-    DCHECK(url.is_valid());
-  }
-
-  NavigationMessage* navigation_message;
-  std::unique_ptr<BlimpMessage> blimp_message =
-      CreateBlimpMessage(&navigation_message, tab_id);
-  navigation_message->set_type(NavigationMessage::LOAD_URL);
-  navigation_message->mutable_load_url()->set_url(url.spec());
-  outgoing_message_processor_->ProcessMessage(std::move(blimp_message),
-                                              net::CompletionCallback());
-}
-
-void NavigationFeature::Reload(int tab_id) {
-  NavigationMessage* navigation_message;
-  std::unique_ptr<BlimpMessage> blimp_message =
-      CreateBlimpMessage(&navigation_message, tab_id);
-  navigation_message->set_type(NavigationMessage::RELOAD);
-
-  outgoing_message_processor_->ProcessMessage(std::move(blimp_message),
-                                              net::CompletionCallback());
-}
-
-void NavigationFeature::GoForward(int tab_id) {
-  NavigationMessage* navigation_message;
-  std::unique_ptr<BlimpMessage> blimp_message =
-      CreateBlimpMessage(&navigation_message, tab_id);
-  navigation_message->set_type(NavigationMessage::GO_FORWARD);
-
-  outgoing_message_processor_->ProcessMessage(std::move(blimp_message),
-                                              net::CompletionCallback());
-}
-
-void NavigationFeature::GoBack(int tab_id) {
-  NavigationMessage* navigation_message;
-  std::unique_ptr<BlimpMessage> blimp_message =
-      CreateBlimpMessage(&navigation_message, tab_id);
-  navigation_message->set_type(NavigationMessage::GO_BACK);
-
-  outgoing_message_processor_->ProcessMessage(std::move(blimp_message),
-                                              net::CompletionCallback());
-}
-
-void NavigationFeature::ProcessMessage(
-    std::unique_ptr<BlimpMessage> message,
-    const net::CompletionCallback& callback) {
-  DCHECK(!callback.is_null());
-  DCHECK_EQ(BlimpMessage::kNavigation, message->feature_case());
-
-  int tab_id = message->target_tab_id();
-  const NavigationMessage& navigation_message = message->navigation();
-
-  NavigationFeatureDelegate* delegate = FindDelegate(tab_id);
-  DCHECK(delegate) << "NavigationFeatureDelegate not found for tab " << tab_id;
-  switch (navigation_message.type()) {
-    case NavigationMessage::NAVIGATION_STATE_CHANGED: {
-      const NavigationStateChangeMessage& details =
-          navigation_message.navigation_state_changed();
-      if (details.has_url())
-        delegate->OnUrlChanged(tab_id, GURL(details.url()));
-
-      if (details.has_title())
-        delegate->OnTitleChanged(tab_id, details.title());
-
-      if (details.has_loading())
-        delegate->OnLoadingChanged(tab_id, details.loading());
-
-      if (details.has_favicon()) {
-        NOTIMPLEMENTED();
-      }
-
-      if (details.has_page_load_completed()) {
-        delegate->OnPageLoadStatusUpdate(tab_id,
-                                         details.page_load_completed());
-      }
-    } break;
-    case NavigationMessage::LOAD_URL:
-    case NavigationMessage::GO_BACK:
-    case NavigationMessage::GO_FORWARD:
-    case NavigationMessage::RELOAD:
-      NOTREACHED() << "Client received unexpected navigation type.";
-      break;
-    case NavigationMessage::UNKNOWN:
-      NOTREACHED();
-  }
-
-  callback.Run(net::OK);
-}
-
-NavigationFeature::NavigationFeatureDelegate* NavigationFeature::FindDelegate(
-    const int tab_id) {
-  DelegateMap::const_iterator it = delegates_.find(tab_id);
-  if (it != delegates_.end())
-    return it->second;
-  return nullptr;
-}
-
-}  // namespace client
-}  // namespace blimp