зеркало из https://github.com/mozilla/pjs.git
316 строки
11 KiB
C++
316 строки
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is the Mozilla browser.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications, Inc.
|
|
* Portions created by the Initial Developer are Copyright (C) 1999
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Travis Bogard <travis@netscape.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef nsDocShellTreeOwner_h__
|
|
#define nsDocShellTreeOwner_h__
|
|
|
|
// Helper Classes
|
|
#include "nsCOMPtr.h"
|
|
#include "nsString.h"
|
|
|
|
// Interfaces Needed
|
|
#include "nsIBaseWindow.h"
|
|
#include "nsIDocShellTreeOwner.h"
|
|
#include "nsIInterfaceRequestor.h"
|
|
#include "nsIInterfaceRequestorUtils.h"
|
|
#include "nsIWebBrowserChrome.h"
|
|
#include "nsIDOMMouseListener.h"
|
|
#include "nsIDOMDocument.h"
|
|
#include "nsIChromeEventHandler.h"
|
|
#include "nsIDOMEventReceiver.h"
|
|
#include "nsIEmbeddingSiteWindow.h"
|
|
#include "nsIWebProgressListener.h"
|
|
#include "nsWeakReference.h"
|
|
#include "nsIDOMKeyListener.h"
|
|
#include "nsIDOMMouseMotionListener.h"
|
|
#include "nsIDOMContextMenuListener.h"
|
|
#include "nsITimer.h"
|
|
#include "nsIPrompt.h"
|
|
#include "nsIAuthPrompt.h"
|
|
#include "nsITooltipListener.h"
|
|
#include "nsITooltipTextProvider.h"
|
|
#include "nsCTooltipTextProvider.h"
|
|
#include "nsIDragDropHandler.h"
|
|
|
|
#include "nsCommandHandler.h"
|
|
|
|
class nsWebBrowser;
|
|
class ChromeTooltipListener;
|
|
class ChromeContextMenuListener;
|
|
|
|
// {6D10C180-6888-11d4-952B-0020183BF181}
|
|
#define NS_ICDOCSHELLTREEOWNER_IID \
|
|
{ 0x6d10c180, 0x6888, 0x11d4, { 0x95, 0x2b, 0x0, 0x20, 0x18, 0x3b, 0xf1, 0x81 } }
|
|
|
|
/*
|
|
* This is a fake 'hidden' interface that nsDocShellTreeOwner implements.
|
|
* Classes such as nsCommandHandler can QI for this interface to be
|
|
* sure that they're dealing with a valid nsDocShellTreeOwner and not some
|
|
* other object that implements nsIDocShellTreeOwner.
|
|
*/
|
|
class nsICDocShellTreeOwner : public nsISupports
|
|
{
|
|
public:
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICDOCSHELLTREEOWNER_IID)
|
|
};
|
|
|
|
|
|
class nsDocShellTreeOwner : public nsIDocShellTreeOwner,
|
|
public nsIBaseWindow,
|
|
public nsIInterfaceRequestor,
|
|
public nsIWebProgressListener,
|
|
public nsICDocShellTreeOwner,
|
|
public nsSupportsWeakReference
|
|
{
|
|
friend class nsWebBrowser;
|
|
friend class nsCommandHandler;
|
|
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_DECL_NSIBASEWINDOW
|
|
NS_DECL_NSIDOCSHELLTREEOWNER
|
|
NS_DECL_NSIINTERFACEREQUESTOR
|
|
NS_DECL_NSIWEBPROGRESSLISTENER
|
|
|
|
protected:
|
|
nsDocShellTreeOwner();
|
|
virtual ~nsDocShellTreeOwner();
|
|
|
|
void WebBrowser(nsWebBrowser* aWebBrowser);
|
|
|
|
nsWebBrowser* WebBrowser();
|
|
NS_IMETHOD SetTreeOwner(nsIDocShellTreeOwner* aTreeOwner);
|
|
NS_IMETHOD SetWebBrowserChrome(nsIWebBrowserChrome* aWebBrowserChrome);
|
|
|
|
NS_IMETHOD AddChromeListeners();
|
|
NS_IMETHOD RemoveChromeListeners();
|
|
|
|
nsresult FindChildWithName(const PRUnichar *aName,
|
|
PRBool aRecurse, nsIDocShellTreeItem* aRequestor,
|
|
nsIDocShellTreeItem* aOriginalRequestor,
|
|
nsIDocShellTreeItem **aFoundItem);
|
|
nsresult FindItemWithNameAcrossWindows(const PRUnichar* aName,
|
|
nsIDocShellTreeItem* aRequestor,
|
|
nsIDocShellTreeItem* aOriginalRequestor,
|
|
nsIDocShellTreeItem **aFoundItem);
|
|
|
|
void EnsurePrompter();
|
|
void EnsureAuthPrompter();
|
|
|
|
void AddToWatcher();
|
|
void RemoveFromWatcher();
|
|
|
|
// These helper functions return the correct instances of the requested
|
|
// interfaces. If the object passed to SetWebBrowserChrome() implements
|
|
// nsISupportsWeakReference, then these functions call QueryReferent on
|
|
// that object. Otherwise, they return an addrefed pointer. If the
|
|
// WebBrowserChrome object doesn't exist, they return nsnull.
|
|
already_AddRefed<nsIWebBrowserChrome> GetWebBrowserChrome();
|
|
already_AddRefed<nsIEmbeddingSiteWindow> GetOwnerWin();
|
|
already_AddRefed<nsIInterfaceRequestor> GetOwnerRequestor();
|
|
|
|
protected:
|
|
|
|
// Weak References
|
|
nsWebBrowser* mWebBrowser;
|
|
nsIDocShellTreeOwner* mTreeOwner;
|
|
nsIDocShellTreeItem* mPrimaryContentShell;
|
|
|
|
nsIWebBrowserChrome* mWebBrowserChrome;
|
|
nsIEmbeddingSiteWindow* mOwnerWin;
|
|
nsIInterfaceRequestor* mOwnerRequestor;
|
|
|
|
nsWeakPtr mWebBrowserChromeWeak; // nsIWebBrowserChrome
|
|
|
|
// the objects that listen for chrome events like context menus and tooltips.
|
|
// They are separate objects to avoid circular references between |this|
|
|
// and the DOM. These are strong, owning refs.
|
|
ChromeTooltipListener* mChromeTooltipListener;
|
|
ChromeContextMenuListener* mChromeContextMenuListener;
|
|
nsCOMPtr<nsIDragDropHandler> mChromeDragHandler;
|
|
|
|
nsCOMPtr<nsIPrompt> mPrompter;
|
|
nsCOMPtr<nsIAuthPrompt> mAuthPrompter;
|
|
};
|
|
|
|
|
|
//
|
|
// class ChromeTooltipListener
|
|
//
|
|
// The class that listens to the chrome events and tells the embedding
|
|
// chrome to show tooltips, as appropriate. Handles registering itself
|
|
// with the DOM with AddChromeListeners() and removing itself with
|
|
// RemoveChromeListeners().
|
|
//
|
|
class ChromeTooltipListener : public nsIDOMMouseListener,
|
|
public nsIDOMKeyListener,
|
|
public nsIDOMMouseMotionListener
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
|
|
ChromeTooltipListener ( nsWebBrowser* inBrowser, nsIWebBrowserChrome* inChrome ) ;
|
|
virtual ~ChromeTooltipListener ( ) ;
|
|
|
|
// nsIDOMMouseListener
|
|
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
|
|
NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent);
|
|
NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent);
|
|
NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent);
|
|
NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent);
|
|
NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent);
|
|
NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent);
|
|
|
|
// nsIDOMMouseMotionListener
|
|
NS_IMETHOD MouseMove(nsIDOMEvent* aMouseEvent);
|
|
NS_IMETHOD DragMove(nsIDOMEvent* aMouseEvent) { return NS_OK; };
|
|
|
|
// nsIDOMKeyListener
|
|
NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent) ;
|
|
NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent) ;
|
|
NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent) ;
|
|
|
|
// Add/remove the relevant listeners, based on what interfaces
|
|
// the embedding chrome implements.
|
|
NS_IMETHOD AddChromeListeners();
|
|
NS_IMETHOD RemoveChromeListeners();
|
|
|
|
private:
|
|
|
|
// various delays for tooltips
|
|
enum {
|
|
kTooltipAutoHideTime = 5000, // 5000ms = 5 seconds
|
|
kTooltipShowTime = 500 // 500ms = 0.5 seconds
|
|
};
|
|
|
|
NS_IMETHOD AddTooltipListener();
|
|
NS_IMETHOD RemoveTooltipListener();
|
|
|
|
NS_IMETHOD ShowTooltip ( PRInt32 inXCoords, PRInt32 inYCoords, const nsAString & inTipText ) ;
|
|
NS_IMETHOD HideTooltip ( ) ;
|
|
|
|
nsWebBrowser* mWebBrowser;
|
|
nsCOMPtr<nsIDOMEventReceiver> mEventReceiver;
|
|
nsCOMPtr<nsITooltipTextProvider> mTooltipTextProvider;
|
|
|
|
// This must be a strong ref in order to make sure we can hide the tooltip
|
|
// if the window goes away while we're displaying one. If we don't hold
|
|
// a strong ref, the chrome might have been disposed of before we get a chance
|
|
// to tell it, and no one would ever tell us of that fact.
|
|
nsCOMPtr<nsIWebBrowserChrome> mWebBrowserChrome;
|
|
|
|
PRPackedBool mTooltipListenerInstalled;
|
|
|
|
nsCOMPtr<nsITimer> mTooltipTimer;
|
|
static void sTooltipCallback ( nsITimer* aTimer, void* aListener ) ;
|
|
PRInt32 mMouseClientX, mMouseClientY; // mouse coordinates for tooltip event
|
|
PRBool mShowingTooltip;
|
|
|
|
// a timer for auto-hiding the tooltip after a certain delay
|
|
nsCOMPtr<nsITimer> mAutoHideTimer;
|
|
static void sAutoHideCallback ( nsITimer* aTimer, void* aListener ) ;
|
|
void CreateAutoHideTimer ( ) ;
|
|
|
|
// The node hovered over that fired the timer. This may turn into the node that
|
|
// triggered the tooltip, but only if the timer ever gets around to firing.
|
|
// This is a strong reference, because the tooltip content can be destroyed while we're
|
|
// waiting for the tooltip to pup up, and we need to detect that.
|
|
// It's set only when the tooltip timer is created and launched. The timer must
|
|
// either fire or be cancelled (or possibly released?), and we release this
|
|
// reference in each of those cases. So we don't leak.
|
|
nsCOMPtr<nsIDOMNode> mPossibleTooltipNode;
|
|
|
|
}; // ChromeTooltipListener
|
|
|
|
|
|
//
|
|
// class ChromeContextMenuListener
|
|
//
|
|
// The class that listens to the chrome events and tells the embedding
|
|
// chrome to show context menus, as appropriate. Handles registering itself
|
|
// with the DOM with AddChromeListeners() and removing itself with
|
|
// RemoveChromeListeners().
|
|
//
|
|
class ChromeContextMenuListener : public nsIDOMContextMenuListener
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
|
|
ChromeContextMenuListener ( nsWebBrowser* inBrowser, nsIWebBrowserChrome* inChrome ) ;
|
|
virtual ~ChromeContextMenuListener ( ) ;
|
|
|
|
// nsIDOMContextMenuListener
|
|
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
|
|
NS_IMETHOD ContextMenu ( nsIDOMEvent* aEvent );
|
|
|
|
// Add/remove the relevant listeners, based on what interfaces
|
|
// the embedding chrome implements.
|
|
NS_IMETHOD AddChromeListeners();
|
|
NS_IMETHOD RemoveChromeListeners();
|
|
|
|
private:
|
|
|
|
NS_IMETHOD AddContextMenuListener();
|
|
NS_IMETHOD RemoveContextMenuListener();
|
|
|
|
PRPackedBool mContextMenuListenerInstalled;
|
|
|
|
nsWebBrowser* mWebBrowser;
|
|
nsCOMPtr<nsIDOMEventReceiver> mEventReceiver;
|
|
nsCOMPtr<nsIWebBrowserChrome> mWebBrowserChrome;
|
|
|
|
}; // class ChromeContextMenuListener
|
|
|
|
|
|
|
|
#endif /* nsDocShellTreeOwner_h__ */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|