8d34dc1b3b
Backed out changeset 13a8bae671ca (bug 1028588) Backed out changeset 19a19833f1d6 (bug 1028588) Backed out changeset d5fae80054de (bug 1028588) Backed out changeset 5942ad3859b8 (bug 1028588)
263 lines
8.2 KiB
C++
263 lines
8.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsDocShellTreeOwner_h__
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#define nsDocShellTreeOwner_h__
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// Helper Classes
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#include "nsCOMPtr.h"
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#include "nsString.h"
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// Interfaces Needed
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#include "nsIBaseWindow.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIWebBrowserChrome.h"
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#include "nsIDOMEventListener.h"
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#include "nsIEmbeddingSiteWindow.h"
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#include "nsIWebProgressListener.h"
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#include "nsWeakReference.h"
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#include "nsITimer.h"
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#include "nsIPrompt.h"
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#include "nsIAuthPrompt.h"
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#include "nsITooltipListener.h"
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#include "nsITooltipTextProvider.h"
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#include "nsCTooltipTextProvider.h"
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#include "nsIDroppedLinkHandler.h"
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#include "nsCommandHandler.h"
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namespace mozilla {
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namespace dom {
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class EventTarget;
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}
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}
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class nsWebBrowser;
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class ChromeTooltipListener;
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class ChromeContextMenuListener;
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// {6D10C180-6888-11d4-952B-0020183BF181}
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#define NS_ICDOCSHELLTREEOWNER_IID \
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{ 0x6d10c180, 0x6888, 0x11d4, { 0x95, 0x2b, 0x0, 0x20, 0x18, 0x3b, 0xf1, 0x81 } }
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/*
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* This is a fake 'hidden' interface that nsDocShellTreeOwner implements.
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* Classes such as nsCommandHandler can QI for this interface to be
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* sure that they're dealing with a valid nsDocShellTreeOwner and not some
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* other object that implements nsIDocShellTreeOwner.
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*/
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class nsICDocShellTreeOwner : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICDOCSHELLTREEOWNER_IID)
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsICDocShellTreeOwner,
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NS_ICDOCSHELLTREEOWNER_IID)
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class nsDocShellTreeOwner : public nsIDocShellTreeOwner,
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public nsIBaseWindow,
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public nsIInterfaceRequestor,
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public nsIWebProgressListener,
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public nsIDOMEventListener,
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public nsICDocShellTreeOwner,
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public nsSupportsWeakReference
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{
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friend class nsWebBrowser;
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friend class nsCommandHandler;
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIBASEWINDOW
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NS_DECL_NSIDOCSHELLTREEOWNER
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NS_DECL_NSIDOMEVENTLISTENER
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_NSIWEBPROGRESSLISTENER
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protected:
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nsDocShellTreeOwner();
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virtual ~nsDocShellTreeOwner();
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void WebBrowser(nsWebBrowser* aWebBrowser);
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nsWebBrowser* WebBrowser();
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NS_IMETHOD SetTreeOwner(nsIDocShellTreeOwner* aTreeOwner);
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NS_IMETHOD SetWebBrowserChrome(nsIWebBrowserChrome* aWebBrowserChrome);
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NS_IMETHOD AddChromeListeners();
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NS_IMETHOD RemoveChromeListeners();
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nsresult FindItemWithNameAcrossWindows(const char16_t* aName,
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nsIDocShellTreeItem* aRequestor,
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nsIDocShellTreeItem* aOriginalRequestor,
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nsIDocShellTreeItem **aFoundItem);
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void EnsurePrompter();
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void EnsureAuthPrompter();
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void AddToWatcher();
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void RemoveFromWatcher();
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// These helper functions return the correct instances of the requested
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// interfaces. If the object passed to SetWebBrowserChrome() implements
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// nsISupportsWeakReference, then these functions call QueryReferent on
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// that object. Otherwise, they return an addrefed pointer. If the
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// WebBrowserChrome object doesn't exist, they return nullptr.
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already_AddRefed<nsIWebBrowserChrome> GetWebBrowserChrome();
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already_AddRefed<nsIEmbeddingSiteWindow> GetOwnerWin();
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already_AddRefed<nsIInterfaceRequestor> GetOwnerRequestor();
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protected:
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// Weak References
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nsWebBrowser* mWebBrowser;
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nsIDocShellTreeOwner* mTreeOwner;
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nsIDocShellTreeItem* mPrimaryContentShell;
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nsIWebBrowserChrome* mWebBrowserChrome;
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nsIEmbeddingSiteWindow* mOwnerWin;
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nsIInterfaceRequestor* mOwnerRequestor;
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nsWeakPtr mWebBrowserChromeWeak; // nsIWebBrowserChrome
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// the objects that listen for chrome events like context menus and tooltips.
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// They are separate objects to avoid circular references between |this|
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// and the DOM. These are strong, owning refs.
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ChromeTooltipListener* mChromeTooltipListener;
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ChromeContextMenuListener* mChromeContextMenuListener;
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nsCOMPtr<nsIPrompt> mPrompter;
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nsCOMPtr<nsIAuthPrompt> mAuthPrompter;
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};
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//
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// class ChromeTooltipListener
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//
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// The class that listens to the chrome events and tells the embedding
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// chrome to show tooltips, as appropriate. Handles registering itself
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// with the DOM with AddChromeListeners() and removing itself with
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// RemoveChromeListeners().
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//
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class ChromeTooltipListener : public nsIDOMEventListener
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{
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public:
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NS_DECL_ISUPPORTS
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ChromeTooltipListener ( nsWebBrowser* inBrowser, nsIWebBrowserChrome* inChrome ) ;
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virtual ~ChromeTooltipListener ( ) ;
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
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NS_IMETHOD MouseMove(nsIDOMEvent* aMouseEvent);
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// Add/remove the relevant listeners, based on what interfaces
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// the embedding chrome implements.
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NS_IMETHOD AddChromeListeners();
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NS_IMETHOD RemoveChromeListeners();
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private:
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// various delays for tooltips
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enum {
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kTooltipAutoHideTime = 5000 // 5000ms = 5 seconds
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};
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NS_IMETHOD AddTooltipListener();
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NS_IMETHOD RemoveTooltipListener();
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NS_IMETHOD ShowTooltip ( int32_t inXCoords, int32_t inYCoords, const nsAString & inTipText ) ;
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NS_IMETHOD HideTooltip ( ) ;
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nsWebBrowser* mWebBrowser;
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nsCOMPtr<mozilla::dom::EventTarget> mEventTarget;
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nsCOMPtr<nsITooltipTextProvider> mTooltipTextProvider;
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// This must be a strong ref in order to make sure we can hide the tooltip
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// if the window goes away while we're displaying one. If we don't hold
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// a strong ref, the chrome might have been disposed of before we get a chance
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// to tell it, and no one would ever tell us of that fact.
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nsCOMPtr<nsIWebBrowserChrome> mWebBrowserChrome;
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bool mTooltipListenerInstalled;
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nsCOMPtr<nsITimer> mTooltipTimer;
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static void sTooltipCallback ( nsITimer* aTimer, void* aListener ) ;
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int32_t mMouseClientX, mMouseClientY; // mouse coordinates for last mousemove event we saw
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int32_t mMouseScreenX, mMouseScreenY; // mouse coordinates for tooltip event
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bool mShowingTooltip;
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// a timer for auto-hiding the tooltip after a certain delay
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nsCOMPtr<nsITimer> mAutoHideTimer;
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static void sAutoHideCallback ( nsITimer* aTimer, void* aListener ) ;
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void CreateAutoHideTimer ( ) ;
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// The node hovered over that fired the timer. This may turn into the node that
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// triggered the tooltip, but only if the timer ever gets around to firing.
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// This is a strong reference, because the tooltip content can be destroyed while we're
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// waiting for the tooltip to pup up, and we need to detect that.
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// It's set only when the tooltip timer is created and launched. The timer must
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// either fire or be cancelled (or possibly released?), and we release this
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// reference in each of those cases. So we don't leak.
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nsCOMPtr<nsIDOMNode> mPossibleTooltipNode;
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}; // ChromeTooltipListener
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//
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// class ChromeContextMenuListener
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//
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// The class that listens to the chrome events and tells the embedding
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// chrome to show context menus, as appropriate. Handles registering itself
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// with the DOM with AddChromeListeners() and removing itself with
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// RemoveChromeListeners().
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//
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class ChromeContextMenuListener : public nsIDOMEventListener
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{
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public:
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NS_DECL_ISUPPORTS
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ChromeContextMenuListener ( nsWebBrowser* inBrowser, nsIWebBrowserChrome* inChrome ) ;
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virtual ~ChromeContextMenuListener ( ) ;
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// nsIDOMContextMenuListener
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
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// Add/remove the relevant listeners, based on what interfaces
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// the embedding chrome implements.
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NS_IMETHOD AddChromeListeners();
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NS_IMETHOD RemoveChromeListeners();
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private:
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NS_IMETHOD AddContextMenuListener();
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NS_IMETHOD RemoveContextMenuListener();
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bool mContextMenuListenerInstalled;
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nsWebBrowser* mWebBrowser;
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nsCOMPtr<mozilla::dom::EventTarget> mEventTarget;
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nsCOMPtr<nsIWebBrowserChrome> mWebBrowserChrome;
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}; // class ChromeContextMenuListener
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#endif /* nsDocShellTreeOwner_h__ */
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