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/*
* Copyright (C) 2009 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 WebPlugin_h
#define WebPlugin_h
#include "WebCanvas.h"
#include "WebString.h"
#include "WebURL.h"
struct NPObject;
namespace WebKit {
class WebDataSource;
class WebFrame;
class WebInputEvent;
class WebPluginContainer;
class WebURLResponse;
struct WebCursorInfo;
struct WebPluginParams;
struct WebPoint;
struct WebRect;
struct WebURLError;
template <typename T> class WebVector;
class WebPlugin {
public:
virtual bool initialize(WebPluginContainer*) = 0;
virtual void destroy() = 0;
virtual NPObject* scriptableObject() = 0;
virtual void paint(WebCanvas*, const WebRect&) = 0;
// Coordinates are relative to the containing window.
virtual void updateGeometry(
const WebRect& frameRect, const WebRect& clipRect,
const WebVector<WebRect>& cutOutsRects, bool isVisible) = 0;
// If the plugin instance is backed by an OpenGL texture, return its ID in the
// compositors namespace. Otherwise return 0. Returns 0 by default.
virtual unsigned getBackingTextureId() { return 0; }
virtual void updateFocus(bool) = 0;
virtual void updateVisibility(bool) = 0;
virtual bool acceptsInputEvents() = 0;
virtual bool handleInputEvent(const WebInputEvent&, WebCursorInfo&) = 0;
virtual void didReceiveResponse(const WebURLResponse&) = 0;
virtual void didReceiveData(const char* data, int dataLength) = 0;
virtual void didFinishLoading() = 0;
virtual void didFailLoading(const WebURLError&) = 0;
// Called in response to WebPluginContainer::loadFrameRequest
virtual void didFinishLoadingFrameRequest(
const WebURL&, void* notifyData) = 0;
virtual void didFailLoadingFrameRequest(
const WebURL&, void* notifyData, const WebURLError&) = 0;
// Printing interface.
// Whether the plugin supports its own paginated print. The other print
// interface methods are called only if this method returns true.
virtual bool supportsPaginatedPrint() { return false; }
// Sets up printing at the given print rect and printer DPI. printableArea
// is in points (a point is 1/72 of an inch).Returns the number of pages to
// be printed at these settings.
virtual int printBegin(const WebRect& printableArea, int printerDPI) { return 0; }
// Prints the page specified by pageNumber (0-based index) into the supplied canvas.
virtual bool printPage(int pageNumber, WebCanvas* canvas) { return false; }
// Ends the print operation.
virtual void printEnd() { }
virtual bool hasSelection() const { return false; }
virtual WebString selectionAsText() const { return WebString(); }
virtual WebString selectionAsMarkup() const { return WebString(); }
// If the given position is over a link, returns the absolute url.
// Otherwise an empty url is returned.
virtual WebURL linkAtPosition(const WebPoint& position) const { return WebURL(); }
// Used for zooming of full page plugins.
virtual void setZoomLevel(double level, bool textOnly) { }
// Find interface.
// Start a new search. The plugin should search for a little bit at a time so that it
// doesn't block the thread in case of a large document. The results, along with the
// find's identifier, should be sent asynchronously to WebFrameClient's reportFindInPage* methods.
// Returns true if the search started, or false if the plugin doesn't support search.
virtual bool startFind(const WebString& searchText, bool caseSensitive, int identifier) { return false; }
// Tells the plugin to jump forward or backward in the list of find results.
virtual void selectFindResult(bool forward) { }
// Tells the plugin that the user has stopped the find operation.
virtual void stopFind() { }
protected:
~WebPlugin() { }
};
} // namespace WebKit
#endif
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