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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 WebPluginContainer_h
-#define WebPluginContainer_h
-
-#include "platform/WebCommon.h"
-
-struct NPObject;
-
-namespace WebKit {
-
-class WebElement;
-class WebPlugin;
-class WebString;
-class WebURL;
-class WebURLRequest;
-struct WebPoint;
-struct WebRect;
-
-class WebPluginContainer {
-public:
- enum TouchEventRequestType {
- TouchEventRequestTypeNone,
- TouchEventRequestTypeRaw,
- TouchEventRequestTypeSynthesizedMouse,
- };
-
- // Returns the element containing this plugin.
- virtual WebElement element() = 0;
-
- virtual void invalidate() = 0;
- virtual void invalidateRect(const WebRect&) = 0;
- virtual void scrollRect(int dx, int dy, const WebRect&) = 0;
-
- // Causes the container to report its current geometry via
- // WebPlugin::updateGeometry.
- virtual void reportGeometry() = 0;
-
- // Sets the id of the texture used for hw-accel compositing.
- // The default value for id is zero which indicates software rendering.
- // A non-zero value will trigger hw-accelerated compositing.
- virtual void setBackingTextureId(unsigned) = 0;
- // Notifies the container that the plugin allocated a new IOSurface for
- // its rendering, and that the compositor should bind to this texture
- // and use it for subsequent rendering. A non-zero ioSurfaceId triggers
- // hardware-accelerated compositing; a zero value switches back to the
- // software rendered path. (This entry point is used only on Mac OS,
- // but is defined on all platforms for simplicity.)
- virtual void setBackingIOSurfaceId(int width,
- int height,
- uint32_t ioSurfaceId) = 0;
- // Called when the backing texture is ready to be composited.
- // FIXME: consider renaming to something more general, now that
- // there are multiple providers. One idea: commitBackingStore.
- virtual void commitBackingTexture() {}
-
- // Drop any references to script objects allocated by the plugin.
- // These are objects derived from WebPlugin::scriptableObject. This is
- // called when the plugin is being destroyed or if it needs to be
- // re-initialized.
- virtual void clearScriptObjects() = 0;
-
- // Returns the scriptable object associated with the DOM element
- // containing the plugin.
- virtual NPObject* scriptableObjectForElement() = 0;
-
- // Executes a "javascript:" URL on behalf of the plugin in the context
- // of the frame containing the plugin. Returns the result of script
- // execution, if any.
- virtual WebString executeScriptURL(const WebURL&, bool popupsAllowed) = 0;
-
- // Loads an URL in the specified frame (or the frame containing this
- // plugin if target is empty). If notifyNeeded is true, then upon
- // completion, WebPlugin::didFinishLoadingFrameRequest is called if the
- // load was successful or WebPlugin::didFailLoadingFrameRequest is
- // called if the load failed. The given notifyData is passed along to
- // the callback.
- virtual void loadFrameRequest(
- const WebURLRequest&, const WebString& target, bool notifyNeeded, void* notifyData) = 0;
-
- // Notifies that the zoom level has changed.
- // Note, this does NOT affect pageScaleFactor or pageZoomFactor
- virtual void zoomLevelChanged(double zoomLevel) = 0;
-
- // Notifies whether the contents of the plugin are entirely opaque.
- virtual void setOpaque(bool) = 0;
-
- // Determines whether the given rectangle in this plugin is above all other
- // content. The rectangle is in the plugin's coordinate system.
- virtual bool isRectTopmost(const WebRect&) = 0;
-
- // Notifies when the plugin changes the kind of touch-events it accepts.
- virtual void requestTouchEventType(TouchEventRequestType) = 0;
-
- // Notifies when the plugin starts/stops accepting wheel events. Without
- // calling the function with true, the container might not always able to
- // receive wheel events in some cases (such as when threaded compositing
- // is in use but a scroll bar is not in use).
- virtual void setWantsWheelEvents(bool) = 0;
-
- // Converts view's window coordinates to plugin's local coordinates.
- virtual WebPoint windowToLocalPoint(const WebPoint&) = 0;
-
- virtual WebPlugin* plugin() = 0;
- virtual void setPlugin(WebPlugin*) = 0;
-
- virtual float deviceScaleFactor() = 0;
- virtual float pageScaleFactor() = 0;
- virtual float pageZoomFactor() = 0;
-
-protected:
- ~WebPluginContainer() { }
-};
-
-} // namespace WebKit
-
-#endif