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// 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.
#ifndef BLIMP_CLIENT_FEATURE_NAVIGATION_FEATURE_H_
#define BLIMP_CLIENT_FEATURE_NAVIGATION_FEATURE_H_
#include <map>
#include <string>
#include "base/containers/small_map.h"
#include "base/macros.h"
#include "blimp/client/blimp_client_export.h"
#include "blimp/net/blimp_message_processor.h"
class GURL;
class SkBitmap;
namespace blimp {
namespace client {
// Handles all incoming and outgoing protobuf messages of type
// RenderWidget::NAVIGATION. Delegates can be added to be notified of incoming
// messages.
class BLIMP_CLIENT_EXPORT NavigationFeature : public BlimpMessageProcessor {
public:
// A delegate to be notified of specific navigation events related to a
// a particular tab.
class NavigationFeatureDelegate {
public:
virtual void OnUrlChanged(int tab_id, const GURL& url) = 0;
virtual void OnFaviconChanged(int tab_id, const SkBitmap& favicon) = 0;
virtual void OnTitleChanged(int tab_id, const std::string& title) = 0;
virtual void OnLoadingChanged(int tab_id, bool loading) = 0;
virtual void OnPageLoadStatusUpdate(int tab_id, bool completed) = 0;
};
NavigationFeature();
~NavigationFeature() override;
// Set the BlimpMessageProcessor that will be used to send
// BlimpMessage::NAVIGATION messages to the engine.
void set_outgoing_message_processor(
std::unique_ptr<BlimpMessageProcessor> processor);
// Sets a NavigationMessageDelegate to be notified of all navigation messages
// for |tab_id| from the engine.
void SetDelegate(int tab_id, NavigationFeatureDelegate* delegate);
void RemoveDelegate(int tab_id);
void NavigateToUrlText(int tab_id, const std::string& url_text);
void Reload(int tab_id);
void GoForward(int tab_id);
void GoBack(int tab_id);
private:
// BlimpMessageProcessor implementation.
void ProcessMessage(std::unique_ptr<BlimpMessage> message,
const net::CompletionCallback& callback) override;
NavigationFeatureDelegate* FindDelegate(const int tab_id);
typedef base::SmallMap<std::map<int, NavigationFeatureDelegate*>> DelegateMap;
DelegateMap delegates_;
// Used to send BlimpMessage::NAVIGATION messages to the engine.
std::unique_ptr<BlimpMessageProcessor> outgoing_message_processor_;
DISALLOW_COPY_AND_ASSIGN(NavigationFeature);
};
} // namespace client
} // namespace blimp
#endif // BLIMP_CLIENT_FEATURE_NAVIGATION_FEATURE_H_
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