widget/android/GeckoProcessManager.h

   1 /* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
   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/. */
   5
   6 #ifndef GeckoProcessManager_h
   7 #define GeckoProcessManager_h
   8
   9 #include "WidgetUtils.h"
  10 #include "nsAppShell.h"
  11 #include "nsIObserver.h"
  12 #include "nsWindow.h"
  13
  14 #include "mozilla/RefPtr.h"
  15 #include "mozilla/dom/ContentProcessManager.h"
  16 #include "mozilla/java/GeckoProcessManagerNatives.h"
  17
  18 namespace mozilla {
  19
  20 class GeckoProcessManager final
  21     : public java::GeckoProcessManager::Natives<GeckoProcessManager> {
  22   using BaseNatives = java::GeckoProcessManager::Natives<GeckoProcessManager>;
  23
  24   GeckoProcessManager() = delete;
  25
  26   static already_AddRefed<nsIWidget> GetWidget(int64_t aContentId,
  27                                                int64_t aTabId) {
  28     using namespace dom;
  29     MOZ_ASSERT(NS_IsMainThread());
  30
  31     ContentProcessManager* const cpm = ContentProcessManager::GetSingleton();
  32     NS_ENSURE_TRUE(cpm, nullptr);
  33
  34     RefPtr<BrowserParent> tab = cpm->GetTopLevelBrowserParentByProcessAndTabId(
  35         ContentParentId(aContentId), TabId(aTabId));
  36     NS_ENSURE_TRUE(tab, nullptr);
  37
  38     nsCOMPtr<nsPIDOMWindowOuter> domWin = tab->GetParentWindowOuter();
  39     NS_ENSURE_TRUE(domWin, nullptr);
  40
  41     return widget::WidgetUtils::DOMWindowToWidget(domWin);
  42   }
  43
  44   class ConnectionManager final
  45       : public java::GeckoProcessManager::ConnectionManager::Natives<
  46             ConnectionManager>,
  47         public nsIObserver {
  48     using BaseNatives = java::GeckoProcessManager::ConnectionManager::Natives<
  49         ConnectionManager>;
  50
  51     virtual ~ConnectionManager() = default;
  52
  53    public:
  54     ConnectionManager() = default;
  55
  56     NS_DECL_ISUPPORTS
  57     NS_DECL_NSIOBSERVER
  58
  59     static void AttachTo(
  60         java::GeckoProcessManager::ConnectionManager::Param aInstance);
  61     void ObserveNetworkNotifications();
  62
  63    private:
  64     java::GeckoProcessManager::ConnectionManager::WeakRef mJavaConnMgr;
  65   };
  66
  67  public:
  68   static void Init();
  69
  70   static void GetEditableParent(jni::Object::Param aEditableChild,
  71                                 int64_t aContentId, int64_t aTabId) {
  72     nsCOMPtr<nsIWidget> widget = GetWidget(aContentId, aTabId);
  73     if (RefPtr<nsWindow> window = nsWindow::From(widget)) {
  74       java::GeckoProcessManager::SetEditableChildParent(
  75           aEditableChild, window->GetEditableParent());
  76     }
  77   }
  78 };
  79
  80 }  // namespace mozilla
  81
  82 #endif  // GeckoProcessManager_h