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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef WEBKIT_ACTIVEX_SHIM_ACTIVEX_PLUGIN_H__
#define WEBKIT_ACTIVEX_SHIM_ACTIVEX_PLUGIN_H__
#include <string>
#include <vector>
#include "base/scoped_ptr.h"
#include "webkit/glue/plugins/nphostapi.h"
#include "webkit/activex_shim/activex_shared.h"
#include "webkit/activex_shim/dispatch_object.h"
#include "webkit/activex_shim/npn_scripting.h"
#include "webkit/activex_shim/web_activex_container.h"
#include "webkit/activex_shim/web_activex_site.h"
namespace activex_shim {
// ActiveXPlugin, a host for ActiveX control. There is one ActiveXPlugin object
// for each ActiveX control. It handles NPAPI calls from the browser side
// and is responsible for most activities of the plugin.
class ActiveXPlugin : public DispatchObject {
public:
explicit ActiveXPlugin(NPP instance);
~ActiveXPlugin();
// NPP API Processing.
NPError NPP_New(NPMIMEType plugin_type, int16 argc, char* argn[],
char* argv[], NPSavedData* saved);
NPError NPP_SetWindow(NPWindow* window);
NPError NPP_NewStream(NPMIMEType type, NPStream* stream,
NPBool seekable, uint16* stype);
NPError NPP_DestroyStream(NPStream* stream, NPReason reason);
int32 NPP_WriteReady(NPStream* stream);
int32 NPP_Write(NPStream* stream, int32 offset, int32 len, void* buffer);
void NPP_StreamAsFile(NPStream* stream, const char* fname);
void NPP_Print(NPPrint* platformPrint);
int16 NPP_HandleEvent(void* event);
void NPP_URLNotify(const char* url, NPReason reason, void* notifyData);
NPError NPP_GetValue(NPPVariable variable, void* value);
NPError NPP_SetValue(NPNVariable variable, void* value);
void Draw(HDC dc, RECT* lprc, RECT* lpclip);
// Get scriptable window object from the browser.
NPNScriptableObject GetWindow();
// Retrieves the URL of current webpage from the browser.
std::wstring GetCurrentURL();
// Resolves the relative URL (could be already an absolute URL too) to return
// full URL based on current document's URL and base.
std::wstring ResolveURL(const std::wstring& url);
bool windowless() { return windowless_; }
NPP npp() { return npp_; }
ActiveXTypes activex_type() { return activex_type_; }
private:
// Process parameters passed in from browser.
void ProcessParams(int16 argc, char* argn[], char* argv[]);
// For handling wmp mime type, we need to initialize params differently
// (change src to corresponding param for wmp control), and set clsid to wmp.
void ConvertForEmbeddedWmp();
// Overrided functions of base class: DispatchObject.
virtual IDispatch* GetDispatch();
virtual NPP GetNPP() { return npp_; }
virtual bool NPObjectOwnsMe() { return false; }
// Event handlers for windowless plugin.
int16 HandlePaintEvent(HDC dc, NPRect* invalid_area);
int16 HandleInputEvent(uint32 msg, uint32 wparam, uint32 lparam);
// Related NPP instance.
NPP npp_;
// Position of the control relative to the browser.
RECT rect_;
// Initialization parameters from param tags and object tag.
std::vector<ControlParam> params_;
// Clsid of the activex object.
std::wstring clsid_;
std::wstring codebase_;
// At this point every plugin has one container. It simplifies things.
scoped_ptr<WebActiveXContainer> container_;
// True if the control supports windowless and we are creating a windowless
// plugin.
bool windowless_;
// Have we ever tried to activate the control.
bool tried_activation_;
// Whether we have successfully created the control and activated it.
bool control_activated_;
// Initially this is not initialized. We assign it on the first call to
// GetWindow, then we will keep this copy.
NPNScriptableObject window_;
ActiveXTypes activex_type_;
// Cache of the current url. It is used very frequently.
std::wstring url_;
DISALLOW_EVIL_CONSTRUCTORS(ActiveXPlugin);
};
} // namespace activex_shim
#endif // #ifndef WEBKIT_ACTIVEX_SHIM_ACTIVEX_PLUGIN_H__
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