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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 COMPONENTS_WEB_VIEW_FRAME_CONNECTION_H_
#define COMPONENTS_WEB_VIEW_FRAME_CONNECTION_H_
#include <stdint.h>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "components/mus/public/interfaces/window_tree.mojom.h"
#include "components/web_view/frame_tree_delegate.h"
#include "components/web_view/frame_user_data.h"
#include "components/web_view/public/interfaces/frame.mojom.h"
#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
namespace mojo {
class ApplicationConnection;
class Shell;
}
namespace web_view {
class Frame;
// FrameConnection is a FrameUserData that manages the connection to a
// particular frame. It is also responsible for obtaining the necessary
// services from the remote side.
class FrameConnection : public FrameUserData {
public:
FrameConnection();
~FrameConnection() override;
// Creates a FrameConnection to service a call from
// FrameTreeDelegate::CanNavigateFrame(). |callback| is run once the
// content handler id for the app is determined.
static void CreateConnectionForCanNavigateFrame(
mojo::Shell* shell,
Frame* frame,
mojo::URLRequestPtr request,
const FrameTreeDelegate::CanNavigateFrameCallback& callback);
// Initializes the FrameConnection with the specified parameters.
// |on_got_id_callback| is run once the content handler is obtained from
// the connection.
void Init(mojo::Shell* shell,
mojo::URLRequestPtr request,
const base::Closure& on_got_id_callback);
mojom::FrameClient* frame_client() { return frame_client_.get(); }
mojo::ApplicationConnection* application_connection() {
return application_connection_.get();
}
// Asks the remote application for a WindowTreeClient.
mus::mojom::WindowTreeClientPtr GetWindowTreeClient();
// Returns the id of the content handler app. Only available once the callback
// has run.
uint32_t GetContentHandlerID() const;
private:
mojom::FrameClientPtr frame_client_;
scoped_ptr<mojo::ApplicationConnection> application_connection_;
DISALLOW_COPY_AND_ASSIGN(FrameConnection);
};
} // namespace web_view
#endif // COMPONENTS_WEB_VIEW_FRAME_CONNECTION_H_
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