tor-browser

The Tor Browser
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nsPIWindowRoot.h (3074B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef nsPIWindowRoot_h__
      8 #define nsPIWindowRoot_h__
      9 
     10 #include "mozilla/dom/EventTarget.h"
     11 #include "nsISupports.h"
     12 
     13 class nsPIDOMWindowOuter;
     14 class nsIControllers;
     15 class nsIController;
     16 class nsINode;
     17 class nsIRemoteTab;
     18 
     19 #define NS_IWINDOWROOT_IID \
     20  {0xb8724c49, 0xc398, 0x4f9b, {0x82, 0x59, 0x87, 0x27, 0xa6, 0x47, 0xdd, 0x0f}}
     21 
     22 class nsPIWindowRoot : public mozilla::dom::EventTarget {
     23 public:
     24  NS_INLINE_DECL_STATIC_IID(NS_IWINDOWROOT_IID)
     25 
     26  bool IsRootWindow() const final { return true; }
     27 
     28  NS_IMPL_FROMEVENTTARGET_HELPER(nsPIWindowRoot, IsRootWindow())
     29 
     30  virtual nsPIDOMWindowOuter* GetWindow() = 0;
     31 
     32  // get and set the node that is the context of a popup menu
     33  virtual already_AddRefed<nsINode> GetPopupNode() = 0;
     34  virtual void SetPopupNode(nsINode* aNode) = 0;
     35 
     36  /**
     37   * @param aForVisibleWindow   true if caller needs controller which is
     38   *                            associated with visible window.
     39   */
     40  virtual nsresult GetControllerForCommand(const char* aCommand,
     41                                           bool aForVisibleWindow,
     42                                           nsIController** aResult) = 0;
     43 
     44  /**
     45   * @param aForVisibleWindow   true if caller needs controllers which are
     46   *                            associated with visible window.
     47   */
     48  virtual nsresult GetControllers(bool aForVisibleWindow,
     49                                  nsIControllers** aResult) = 0;
     50 
     51  virtual void GetEnabledDisabledCommands(
     52      nsTArray<nsCString>& aEnabledCommands,
     53      nsTArray<nsCString>& aDisabledCommands) = 0;
     54 
     55  virtual void SetParentTarget(mozilla::dom::EventTarget* aTarget) = 0;
     56  virtual mozilla::dom::EventTarget* GetParentTarget() = 0;
     57 
     58  // Stores a weak reference to the browser.
     59  virtual void AddBrowser(nsIRemoteTab* aBrowser) = 0;
     60  virtual void RemoveBrowser(nsIRemoteTab* aBrowser) = 0;
     61 
     62  using BrowserEnumerator = void (*)(nsIRemoteTab* aTab, void* aArg);
     63 
     64  // Enumerate all stored browsers that for which the weak reference is valid.
     65  virtual void EnumerateBrowsers(BrowserEnumerator aEnumFunc, void* aArg) = 0;
     66 };
     67 
     68 namespace mozilla::dom {
     69 
     70 inline nsPIWindowRoot* EventTarget::GetAsWindowRoot() {
     71  return IsRootWindow() ? static_cast<nsPIWindowRoot*>(this) : nullptr;
     72 }
     73 
     74 inline const nsPIWindowRoot* EventTarget::GetAsWindowRoot() const {
     75  return IsRootWindow() ? static_cast<const nsPIWindowRoot*>(this) : nullptr;
     76 }
     77 
     78 inline nsPIWindowRoot* EventTarget::AsWindowRoot() {
     79  MOZ_DIAGNOSTIC_ASSERT(IsRootWindow());
     80  return static_cast<nsPIWindowRoot*>(this);
     81 }
     82 
     83 inline const nsPIWindowRoot* EventTarget::AsWindowRoot() const {
     84  MOZ_DIAGNOSTIC_ASSERT(IsRootWindow());
     85  return static_cast<const nsPIWindowRoot*>(this);
     86 }
     87 
     88 }  // namespace mozilla::dom
     89 
     90 #endif  // nsPIWindowRoot_h__