cef/tests/cefclient/clientplugin.h

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// Copyright (c) 2008 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2006-2008 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.
// Portions of this implementation are borrowed from webkit\default_plugin\
// plugin_impl.h
#ifndef _CEFCLIENT_CLIENTPLUGIN_H
#define _CEFCLIENT_CLIENTPLUGIN_H
#include "include/cef_nplugin.h"
#if defined(OS_WIN)
#include <atlbase.h>
#include <atlwin.h>
extern NPNetscapeFuncs* g_browser;
NPError API_CALL NP_ClientGetEntryPoints(NPPluginFuncs* pFuncs);
NPError API_CALL NP_ClientInitialize(NPNetscapeFuncs* pFuncs);
NPError API_CALL NP_ClientShutdown(void);
// Provides the client plugin functionality.
class ClientPlugin : public CWindowImpl<ClientPlugin> {
public:
// mode is the plugin instantiation mode, i.e. whether it is a full
// page plugin (NP_FULL) or an embedded plugin (NP_EMBED)
explicit ClientPlugin(int16 mode);
virtual ~ClientPlugin();
BEGIN_MSG_MAP(ClientPlugin)
MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackGround)
MESSAGE_HANDLER(WM_PAINT, OnPaint)
MESSAGE_HANDLER(WM_PRINTCLIENT, OnPrintClient)
MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
END_MSG_MAP()
// Initializes the plugin with the instance information, mime type
// and the list of parameters passed down to the plugin from the webpage.
//
// Parameters:
// module_handle
// The handle to the dll in which this object is instantiated.
// instance
// The plugins opaque instance handle.
// mime_type
// Identifies the third party plugin which would be eventually installed.
// argc
// Indicates the count of arguments passed in from the webpage.
// argv
// Pointer to the arguments.
// Returns true on success.
bool Initialize(HINSTANCE module_handle, NPP instance, NPMIMEType mime_type,
int16 argc, char* argn[], char* argv[]);
// Displays the default plugin UI.
//
// Parameters:
// parent_window
// Handle to the parent window.
bool SetWindow(HWND parent_window);
// Destroys the install dialog and the plugin window.
void Shutdown();
HWND window() const { return m_hWnd; }
// Getter for the NPP instance member.
const NPP instance() const {
return instance_;
}
protected:
// Window message handlers.
LRESULT OnPaint(UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnPrintClient(UINT message, WPARAM wparam, LPARAM lparam,
BOOL& handled);
LRESULT OnEraseBackGround(UINT message, WPARAM wparam, LPARAM lparam,
BOOL& handled);
LRESULT OnLButtonDown(UINT message, WPARAM wparam, LPARAM lparam,
BOOL& handled);
// Enables the plugin window if required and initiates an update of the
// the plugin window.
void RefreshDisplay();
void Paint(HDC hdc);
private:
// The plugins opaque instance handle
NPP instance_;
// The plugin instantiation mode (NP_FULL or NP_EMBED)
int16 mode_;
};
#endif // OS_WIN
#endif // _CEFCLIENT_CLIENTPLUGIN_H