The Tor Browser: dom/plugins/ipc/PluginBackgroundDestroyer.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * vim: sw=4 ts=8 et :

     3  */

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

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

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

     8 #ifndef dom_plugins_PluginBackgroundDestroyer

     9 #define dom_plugins_PluginBackgroundDestroyer

    11 #include "mozilla/plugins/PPluginBackgroundDestroyerChild.h"

    12 #include "mozilla/plugins/PPluginBackgroundDestroyerParent.h"

    14 #include "gfxSharedImageSurface.h"

    16 class gfxASurface;

    18 namespace mozilla {

    19 namespace plugins {

    21 /**

    22  * When instances of this class are destroyed, the old background goes

    23  * along with them, completing the destruction process (whether or not

    24  * the plugin stayed alive long enough to ack).

    25  */

    26 class PluginBackgroundDestroyerParent : public PPluginBackgroundDestroyerParent {

    27 public:

    28     PluginBackgroundDestroyerParent(gfxASurface* aDyingBackground);

    30     virtual ~PluginBackgroundDestroyerParent();

    32 private:

    33     virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;

    35     nsRefPtr<gfxASurface> mDyingBackground;

    36 };

    38 /**

    39  * This class exists solely to instruct its instance to release its

    40  * current background, a new one may be coming.

    41  */

    42 class PluginBackgroundDestroyerChild : public PPluginBackgroundDestroyerChild {

    43 public:

    44     PluginBackgroundDestroyerChild() { }

    45     virtual ~PluginBackgroundDestroyerChild() { }

    47 private:

    48     // Implementing this for good hygiene.

    49     virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE

    50     { }

    51 };

    53 } // namespace plugins

    54 } // namespace mozilla

    56 #endif  // dom_plugins_PluginBackgroundDestroyer

The Tor Browser / file revision