dom/ipc/ContentProcessParent.h

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   3 /* ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
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   9  * http://www.mozilla.org/MPL/
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  16  * The Original Code is Mozilla Content App.
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  18  * The Initial Developer of the Original Code is
  19  *   The Mozilla Foundation.
  20  * Portions created by the Initial Developer are Copyright (C) 2009
  21  * the Initial Developer. All Rights Reserved.
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  23  * Contributor(s):
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  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
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  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #ifndef mozilla_dom_ContentProcessParent_h
  40 #define mozilla_dom_ContentProcessParent_h
  41
  42 #include "base/waitable_event_watcher.h"
  43
  44 #include "mozilla/dom/PContentProcessParent.h"
  45 #include "mozilla/ipc/GeckoChildProcessHost.h"
  46
  47 #include "nsIObserver.h"
  48 #include "nsIThreadInternal.h"
  49 #include "mozilla/Monitor.h"
  50 #include "nsIPrefService.h"
  51
  52 namespace mozilla {
  53
  54 namespace ipc {
  55 class TestShellParent;
  56 }
  57
  58 namespace dom {
  59
  60 class TabParent;
  61
  62 class ContentProcessParent : public PContentProcessParent
  63                            , public nsIObserver
  64                            , public nsIThreadObserver
  65 {
  66 private:
  67     typedef mozilla::ipc::GeckoChildProcessHost GeckoChildProcessHost;
  68     typedef mozilla::ipc::TestShellParent TestShellParent;
  69
  70 public:
  71     static ContentProcessParent* GetSingleton(PRBool aForceNew = PR_TRUE);
  72
  73 #if 0
  74     // TODO: implement this somewhere!
  75     static ContentProcessParent* FreeSingleton();
  76 #endif
  77
  78     NS_DECL_ISUPPORTS
  79     NS_DECL_NSIOBSERVER
  80     NS_DECL_NSITHREADOBSERVER
  81
  82     TabParent* CreateTab();
  83
  84     TestShellParent* CreateTestShell();
  85     bool DestroyTestShell(TestShellParent* aTestShell);
  86
  87     void ReportChildAlreadyBlocked();
  88     bool RequestRunToCompletion();
  89
  90     bool IsAlive();
  91
  92 protected:
  93     virtual void ActorDestroy(ActorDestroyReason why);
  94
  95 private:
  96     static ContentProcessParent* gSingleton;
  97
  98     // Hide the raw constructor methods since we don't want client code
  99     // using them.
 100     using PContentProcessParent::SendPIFrameEmbeddingConstructor;
 101     using PContentProcessParent::SendPTestShellConstructor;
 102
 103     ContentProcessParent();
 104     virtual ~ContentProcessParent();
 105
 106     virtual PIFrameEmbeddingParent* AllocPIFrameEmbedding();
 107     virtual bool DeallocPIFrameEmbedding(PIFrameEmbeddingParent* frame);
 108
 109     virtual PTestShellParent* AllocPTestShell();
 110     virtual bool DeallocPTestShell(PTestShellParent* shell);
 111
 112     virtual PNeckoParent* AllocPNecko();
 113     virtual bool DeallocPNecko(PNeckoParent* necko);
 114
 115     virtual bool RecvGetPrefType(const nsCString& prefName,
 116             PRInt32* retValue, nsresult* rv);
 117
 118     virtual bool RecvGetBoolPref(const nsCString& prefName,
 119             PRBool* retValue, nsresult* rv);
 120
 121     virtual bool RecvGetIntPref(const nsCString& prefName,
 122             PRInt32* retValue, nsresult* rv);
 123
 124     virtual bool RecvGetCharPref(const nsCString& prefName,
 125             nsCString* retValue, nsresult* rv);
 126
 127     virtual bool RecvGetPrefLocalizedString(const nsCString& prefName,
 128             nsString* retValue, nsresult* rv);
 129
 130     virtual bool RecvPrefHasUserValue(const nsCString& prefName,
 131             PRBool* retValue, nsresult* rv);
 132
 133     virtual bool RecvPrefIsLocked(const nsCString& prefName,
 134             PRBool* retValue, nsresult* rv);
 135
 136     virtual bool RecvGetChildList(const nsCString& domain,
 137             nsTArray<nsCString>* list, nsresult* rv);
 138
 139     void EnsurePrefService();
 140
 141     mozilla::Monitor mMonitor;
 142
 143     GeckoChildProcessHost* mSubprocess;
 144
 145     int mRunToCompletionDepth;
 146     bool mShouldCallUnblockChild;
 147     nsCOMPtr<nsIThreadObserver> mOldObserver;
 148
 149     bool mIsAlive;
 150     nsCOMPtr<nsIPrefBranch> mPrefService;
 151 };
 152
 153 } // namespace dom
 154 } // namespace mozilla
 155
 156 #endif