michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef __nsWindowWatcher_h__
michael@0: #define __nsWindowWatcher_h__
michael@0: 
michael@0: // {a21bfa01-f349-4394-a84c-8de5cf0737d0}
michael@0: #define NS_WINDOWWATCHER_CID \
michael@0:  {0xa21bfa01, 0xf349, 0x4394, {0xa8, 0x4c, 0x8d, 0xe5, 0xcf, 0x7, 0x37, 0xd0}}
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: #include "mozilla/Mutex.h"
michael@0: #include "nsIWindowCreator.h" // for stupid compilers
michael@0: #include "nsIWindowWatcher.h"
michael@0: #include "nsIPromptFactory.h"
michael@0: #include "nsPIWindowWatcher.h"
michael@0: #include "nsTArray.h"
michael@0: #include "js/TypeDecls.h"
michael@0: 
michael@0: class  nsIURI;
michael@0: class  nsIDocShellTreeItem;
michael@0: class  nsIDocShellTreeOwner;
michael@0: class  nsIWebBrowserChrome;
michael@0: class  nsString;
michael@0: class  nsWatcherWindowEnumerator;
michael@0: class  nsIScriptContext;
michael@0: class  nsPromptService;
michael@0: struct nsWatcherWindowEntry;
michael@0: struct SizeSpec;
michael@0: 
michael@0: class nsWindowWatcher :
michael@0:       public nsIWindowWatcher,
michael@0:       public nsPIWindowWatcher,
michael@0:       public nsIPromptFactory
michael@0: {
michael@0: friend class nsWatcherWindowEnumerator;
michael@0: 
michael@0: public:
michael@0:   nsWindowWatcher();
michael@0:   virtual ~nsWindowWatcher();
michael@0: 
michael@0:   nsresult Init();
michael@0: 
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   NS_DECL_NSIWINDOWWATCHER
michael@0:   NS_DECL_NSPIWINDOWWATCHER
michael@0:   NS_DECL_NSIPROMPTFACTORY
michael@0: 
michael@0: protected:
michael@0:   friend class nsPromptService;
michael@0:   bool AddEnumerator(nsWatcherWindowEnumerator* inEnumerator);
michael@0:   bool RemoveEnumerator(nsWatcherWindowEnumerator* inEnumerator);
michael@0: 
michael@0:   nsWatcherWindowEntry *FindWindowEntry(nsIDOMWindow *aWindow);
michael@0:   nsresult RemoveWindow(nsWatcherWindowEntry *inInfo);
michael@0: 
michael@0:   // Get the caller tree item.  Look on the JS stack, then fall back
michael@0:   // to the parent if there's nothing there.
michael@0:   already_AddRefed<nsIDocShellTreeItem>
michael@0:     GetCallerTreeItem(nsIDocShellTreeItem* aParentItem);
michael@0:   
michael@0:   // Unlike GetWindowByName this will look for a caller on the JS
michael@0:   // stack, and then fall back on aCurrentWindow if it can't find one.
michael@0:   already_AddRefed<nsIDOMWindow>
michael@0:     SafeGetWindowByName(const nsAString& aName, nsIDOMWindow* aCurrentWindow);
michael@0: 
michael@0:   // Just like OpenWindowJS, but knows whether it got called via OpenWindowJS
michael@0:   // (which means called from script) or called via OpenWindow.
michael@0:   nsresult OpenWindowInternal(nsIDOMWindow *aParent,
michael@0:                               const char *aUrl,
michael@0:                               const char *aName,
michael@0:                               const char *aFeatures,
michael@0:                               bool aCalledFromJS,
michael@0:                               bool aDialog,
michael@0:                               bool aNavigate,
michael@0:                               nsIArray *argv,
michael@0:                               nsIDOMWindow **_retval);
michael@0: 
michael@0:   static JSContext *GetJSContextFromWindow(nsIDOMWindow *aWindow);
michael@0:   static nsresult   URIfromURL(const char *aURL,
michael@0:                                nsIDOMWindow *aParent,
michael@0:                                nsIURI **aURI);
michael@0:   
michael@0:   static uint32_t   CalculateChromeFlags(nsIDOMWindow *aParent,
michael@0:                                          const char *aFeatures,
michael@0:                                          bool aFeaturesSpecified,
michael@0:                                          bool aDialog,
michael@0:                                          bool aChromeURL,
michael@0:                                          bool aHasChromeParent);
michael@0:   static int32_t    WinHasOption(const char *aOptions, const char *aName,
michael@0:                                  int32_t aDefault, bool *aPresenceFlag);
michael@0:   /* Compute the right SizeSpec based on aFeatures */
michael@0:   static void       CalcSizeSpec(const char* aFeatures, SizeSpec& aResult);
michael@0:   static nsresult   ReadyOpenedDocShellItem(nsIDocShellTreeItem *aOpenedItem,
michael@0:                                             nsIDOMWindow *aParent,
michael@0:                                             bool aWindowIsNew,
michael@0:                                             nsIDOMWindow **aOpenedWindow);
michael@0:   static void       SizeOpenedDocShellItem(nsIDocShellTreeItem *aDocShellItem,
michael@0:                                            nsIDOMWindow *aParent,
michael@0:                                            const SizeSpec & aSizeSpec);
michael@0:   static void       GetWindowTreeItem(nsIDOMWindow *inWindow,
michael@0:                                       nsIDocShellTreeItem **outTreeItem);
michael@0:   static void       GetWindowTreeOwner(nsIDOMWindow *inWindow,
michael@0:                                        nsIDocShellTreeOwner **outTreeOwner);
michael@0: 
michael@0:   nsTArray<nsWatcherWindowEnumerator*> mEnumeratorList;
michael@0:   nsWatcherWindowEntry *mOldestWindow;
michael@0:   mozilla::Mutex        mListLock;
michael@0: 
michael@0:   nsCOMPtr<nsIWindowCreator> mWindowCreator;
michael@0: };
michael@0: 
michael@0: #endif
michael@0: