зеркало из https://github.com/mozilla/pjs.git
225 строки
7.7 KiB
C++
225 строки
7.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsObjectFrame_h___
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#define nsObjectFrame_h___
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#include "nsHTMLParts.h"
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#include "nsHTMLContainerFrame.h"
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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#include "nsIPluginHost.h"
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#include "nsplugin.h"
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#include "nsIWidget.h"
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#include "nsIObjectFrame.h"
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#ifdef ACCESSIBILITY
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class nsIAccessible;
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#endif
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class nsPluginInstanceOwner;
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#define nsObjectFrameSuper nsHTMLContainerFrame
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class nsObjectFrame : public nsObjectFrameSuper, public nsIObjectFrame {
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public:
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// nsISupports
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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NS_IMETHOD SetInitialChildList(nsPresContext* aPresContext,
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nsIAtom* aListName,
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nsIFrame* aChildList);
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NS_IMETHOD Init(nsPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsStyleContext* aContext,
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nsIFrame* aPrevInFlow);
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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NS_IMETHOD DidReflow(nsPresContext* aPresContext,
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const nsHTMLReflowState* aReflowState,
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nsDidReflowStatus aStatus);
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NS_IMETHOD Paint(nsPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer,
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PRUint32 aFlags = 0);
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NS_IMETHOD HandleEvent(nsPresContext* aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus* aEventStatus);
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virtual nsIAtom* GetType() const;
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virtual PRBool SupportsVisibilityHidden() { return PR_FALSE; }
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virtual PRBool NeedsView() { return PR_TRUE; }
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virtual nsresult CreateWidgetForView(nsIView* aView);
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virtual PRBool IsLeaf() const;
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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NS_IMETHOD Destroy(nsPresContext* aPresContext);
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NS_IMETHOD GetPluginInstance(nsIPluginInstance*& aPluginInstance);
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/* fail on any requests to get a cursor from us because plugins set their own! see bug 118877 */
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NS_IMETHOD GetCursor(const nsPoint& aPoint, nsIFrame::Cursor& aCursor)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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};
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//i18n helper
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nsresult MakeAbsoluteURL(nsIURI* *aFullURI, nsString aSrc,
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nsIURI* aBaseURI);
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// accessibility support
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#ifdef ACCESSIBILITY
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NS_IMETHOD GetAccessible(nsIAccessible** aAccessible);
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#ifdef XP_WIN
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NS_IMETHOD GetPluginPort(HWND *aPort);
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#endif
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#endif
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//local methods
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nsresult CreateWidget(nscoord aWidth, nscoord aHeight, PRBool aViewOnly);
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nsIURI* GetFullURL()
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{
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return mFullURL;
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}
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/**
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* Get the MIME type used for rendering content for this frame.
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* This may get the type via the URL's extension.
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*/
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NS_HIDDEN_(nsresult) GetMIMEType(nsACString& aType);
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// for a given aRoot, this walks the frame tree looking for the next outFrame
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static nsIObjectFrame* GetNextObjectFrame(nsPresContext* aPresContext,
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nsIFrame* aRoot);
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void FixUpURLS(const nsString &name, nsAString &value);
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void PluginNotAvailable(const char *aMimeType);
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// Returns true if this object frame links to content that we have
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// no enabled plugin for, that means not even the default plugin.
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PRBool IsBroken() const
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{
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return mIsBrokenPlugin;
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}
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virtual PRBool IsContainingBlock() const
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{
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// Broken plugins are containing blocks.
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return IsBroken();
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}
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protected:
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// nsISupports
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NS_IMETHOD_(nsrefcnt) AddRef(void);
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NS_IMETHOD_(nsrefcnt) Release(void);
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virtual ~nsObjectFrame();
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virtual PRIntn GetSkipSides() const;
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// NOTE: This frame class does not inherit from |nsLeafFrame|, so
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// this is not a virtual method implementation.
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void GetDesiredSize(nsPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredSize);
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nsresult InstantiateWidget(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aMetrics,
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const nsHTMLReflowState& aReflowState,
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nsCID aWidgetCID);
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nsresult InstantiatePlugin(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aMetrics,
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const nsHTMLReflowState& aReflowState,
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nsIPluginHost* aPluginHost,
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const char* aMimetype,
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nsIURI* aURL);
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nsresult ReinstantiatePlugin(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aMetrics,
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const nsHTMLReflowState& aReflowState);
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nsresult HandleChild(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aMetrics,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus,
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nsIFrame* child);
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PRBool IsFocusable(PRInt32 *aTabIndex = nsnull, PRBool aWithMouse = PR_FALSE);
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// check attributes and optionally CSS to see if we should display anything
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PRBool IsHidden(PRBool aCheckVisibilityStyle = PR_TRUE) const;
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void NotifyContentObjectWrapper();
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nsPoint GetWindowOriginInPixels(PRBool aWindowless);
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void CreateDefaultFrames(nsPresContext *aPresContext,
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nsHTMLReflowMetrics& aMetrics,
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const nsHTMLReflowState& aReflowState);
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friend class nsPluginInstanceOwner;
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private:
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nsPluginInstanceOwner *mInstanceOwner;
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nsCOMPtr<nsIURI> mFullURL;
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nsIFrame *mFirstChild;
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nsCOMPtr<nsIWidget> mWidget;
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nsRect mWindowlessRect;
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#ifdef DEBUG
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// For assertions that make it easier to determine if a crash is due
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// to the underlying problem described in bug 136927.
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PRBool mInstantiating;
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#endif
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PRPackedBool mIsBrokenPlugin;
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};
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#endif /* nsObjectFrame_h___ */
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