The Tor Browser: dom/base/nsDOMWindowList.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 // Local Includes

     7 #include "nsDOMWindowList.h"

     9 // Helper classes

    10 #include "nsCOMPtr.h"

    12 // Interfaces needed

    13 #include "nsIDocument.h"

    14 #include "nsIDOMDocument.h"

    15 #include "nsIDOMWindow.h"

    16 #include "nsIDocShell.h"

    17 #include "nsIInterfaceRequestorUtils.h"

    18 #include "nsIScriptGlobalObject.h"

    19 #include "nsIWebNavigation.h"

    21 nsDOMWindowList::nsDOMWindowList(nsIDocShell *aDocShell)

    22 {

    23   SetDocShell(aDocShell);

    24 }

    26 nsDOMWindowList::~nsDOMWindowList()

    27 {

    28 }

    30 NS_IMPL_ADDREF(nsDOMWindowList)

    31 NS_IMPL_RELEASE(nsDOMWindowList)

    33 NS_INTERFACE_MAP_BEGIN(nsDOMWindowList)

    34    NS_INTERFACE_MAP_ENTRY(nsIDOMWindowCollection)

    35    NS_INTERFACE_MAP_ENTRY(nsISupports)

    36 NS_INTERFACE_MAP_END

    38 NS_IMETHODIMP

    39 nsDOMWindowList::SetDocShell(nsIDocShell* aDocShell)

    40 {

    41   mDocShellNode = aDocShell; // Weak Reference

    43   return NS_OK;

    44 }

    46 void

    47 nsDOMWindowList::EnsureFresh()

    48 {

    49   nsCOMPtr<nsIWebNavigation> shellAsNav = do_QueryInterface(mDocShellNode);

    51   if (shellAsNav) {

    52     nsCOMPtr<nsIDOMDocument> domdoc;

    53     shellAsNav->GetDocument(getter_AddRefs(domdoc));

    55     nsCOMPtr<nsIDocument> doc = do_QueryInterface(domdoc);

    57     if (doc) {

    58       doc->FlushPendingNotifications(Flush_ContentAndNotify);

    59     }

    60   }

    61 }

    63 uint32_t

    64 nsDOMWindowList::GetLength()

    65 {

    66   EnsureFresh();

    68   NS_ENSURE_TRUE(mDocShellNode, 0);

    70   int32_t length;

    71   nsresult rv = mDocShellNode->GetChildCount(&length);

    72   NS_ENSURE_SUCCESS(rv, 0);

    74   return uint32_t(length);

    75 }

    77 NS_IMETHODIMP

    78 nsDOMWindowList::GetLength(uint32_t* aLength)

    79 {

    80   *aLength = GetLength();

    81   return NS_OK;

    82 }

    84 already_AddRefed<nsIDOMWindow>

    85 nsDOMWindowList::IndexedGetter(uint32_t aIndex, bool& aFound)

    86 {

    87   aFound = false;

    89   nsCOMPtr<nsIDocShellTreeItem> item = GetDocShellTreeItemAt(aIndex);

    90   if (!item) {

    91     return nullptr;

    92   }

    94   nsCOMPtr<nsIDOMWindow> window = do_GetInterface(item);

    95   MOZ_ASSERT(window);

    97   aFound = true;

    98   return window.forget();

    99 }

   101 NS_IMETHODIMP

   102 nsDOMWindowList::Item(uint32_t aIndex, nsIDOMWindow** aReturn)

   103 {

   104   bool found;

   105   nsCOMPtr<nsIDOMWindow> window = IndexedGetter(aIndex, found);

   106   window.forget(aReturn);

   107   return NS_OK;

   108 }

   110 NS_IMETHODIMP

   111 nsDOMWindowList::NamedItem(const nsAString& aName, nsIDOMWindow** aReturn)

   112 {

   113   nsCOMPtr<nsIDocShellTreeItem> item;

   115   *aReturn = nullptr;

   117   EnsureFresh();

   119   if (mDocShellNode) {

   120     mDocShellNode->FindChildWithName(PromiseFlatString(aName).get(),

   121                                      false, false, nullptr,

   122                                      nullptr, getter_AddRefs(item));

   124     nsCOMPtr<nsIScriptGlobalObject> globalObject(do_GetInterface(item));

   125     if (globalObject) {

   126       CallQueryInterface(globalObject.get(), aReturn);

   127     }

   128   }

   130   return NS_OK;

   131 }

The Tor Browser / file revision