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// Copyright (c) 2012 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 CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_HELPER_H_
#define CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_HELPER_H_
#include "content/port/common/input_event_ack_state.h"
#include "content/public/browser/render_view_host_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "third_party/WebKit/public/web/WebDragOperation.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
class WebCursor;
#if defined(OS_MACOSX)
struct ViewHostMsg_ShowPopup_Params;
#endif
struct ViewHostMsg_UpdateRect_Params;
namespace gfx {
class Size;
}
namespace content {
class BrowserPluginGuest;
class RenderViewHost;
// Helper for BrowserPluginGuest.
//
// The purpose of this class is to intercept messages from the guest RenderView
// before they are handled by the standard message handlers in the browser
// process. This permits overriding standard behavior with BrowserPlugin-
// specific behavior.
//
// The lifetime of this class is managed by the associated RenderViewHost. A
// BrowserPluginGuestHelper is created whenever a BrowserPluginGuest is created.
class BrowserPluginGuestHelper : public RenderViewHostObserver {
public:
BrowserPluginGuestHelper(BrowserPluginGuest* guest,
RenderViewHost* render_view_host);
virtual ~BrowserPluginGuestHelper();
protected:
// RenderViewHostObserver implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
private:
// Returns whether a message should be forward to the helper's associated
// BrowserPluginGuest.
static bool ShouldForwardToBrowserPluginGuest(const IPC::Message& message);
BrowserPluginGuest* guest_;
DISALLOW_COPY_AND_ASSIGN(BrowserPluginGuestHelper);
};
} // namespace content
#endif // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_HELPER_H_
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