dom/plugins/ipc/PluginIdentifierParent.h@b8a032363ba2 (annotated)
dom/plugins/ipc/PluginIdentifierParent.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * vim: sw=2 ts=2 et : |
| michael@0 | 3 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef dom_plugins_PluginIdentifierParent_h |
| michael@0 | 8 | #define dom_plugins_PluginIdentifierParent_h |
| michael@0 | 9 | |
| michael@0 | 10 | #include "mozilla/plugins/PPluginIdentifierParent.h" |
| michael@0 | 11 | |
| michael@0 | 12 | #include "npapi.h" |
| michael@0 | 13 | #include "npruntime.h" |
| michael@0 | 14 | |
| michael@0 | 15 | namespace mozilla { |
| michael@0 | 16 | namespace plugins { |
| michael@0 | 17 | |
| michael@0 | 18 | class PluginInstanceParent; |
| michael@0 | 19 | |
| michael@0 | 20 | class PluginIdentifierParent : public PPluginIdentifierParent |
| michael@0 | 21 | { |
| michael@0 | 22 | friend class PluginModuleParent; |
| michael@0 | 23 | |
| michael@0 | 24 | public: |
| michael@0 | 25 | NPIdentifier ToNPIdentifier() |
| michael@0 | 26 | { |
| michael@0 | 27 | return mIdentifier; |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | bool IsTemporary() { |
| michael@0 | 31 | return !!mTemporaryRefs; |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | /** |
| michael@0 | 35 | * Holds a perhaps-temporary identifier for the current stack frame. |
| michael@0 | 36 | */ |
| michael@0 | 37 | class MOZ_STACK_CLASS StackIdentifier |
| michael@0 | 38 | { |
| michael@0 | 39 | public: |
| michael@0 | 40 | StackIdentifier(PluginInstanceParent* inst, NPIdentifier aIdentifier); |
| michael@0 | 41 | StackIdentifier(NPObject* aObject, NPIdentifier aIdentifier); |
| michael@0 | 42 | ~StackIdentifier(); |
| michael@0 | 43 | |
| michael@0 | 44 | operator PluginIdentifierParent*() { |
| michael@0 | 45 | return mIdentifier; |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | private: |
| michael@0 | 49 | DISALLOW_COPY_AND_ASSIGN(StackIdentifier); |
| michael@0 | 50 | |
| michael@0 | 51 | PluginIdentifierParent* mIdentifier; |
| michael@0 | 52 | }; |
| michael@0 | 53 | |
| michael@0 | 54 | protected: |
| michael@0 | 55 | PluginIdentifierParent(NPIdentifier aIdentifier, bool aTemporary) |
| michael@0 | 56 | : mIdentifier(aIdentifier) |
| michael@0 | 57 | , mTemporaryRefs(aTemporary ? 1 : 0) |
| michael@0 | 58 | { |
| michael@0 | 59 | MOZ_COUNT_CTOR(PluginIdentifierParent); |
| michael@0 | 60 | } |
| michael@0 | 61 | |
| michael@0 | 62 | virtual ~PluginIdentifierParent() |
| michael@0 | 63 | { |
| michael@0 | 64 | MOZ_COUNT_DTOR(PluginIdentifierParent); |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | virtual bool RecvRetain() MOZ_OVERRIDE; |
| michael@0 | 68 | |
| michael@0 | 69 | void AddTemporaryRef() { |
| michael@0 | 70 | mTemporaryRefs++; |
| michael@0 | 71 | } |
| michael@0 | 72 | |
| michael@0 | 73 | /** |
| michael@0 | 74 | * @returns true if the last temporary reference was removed. |
| michael@0 | 75 | */ |
| michael@0 | 76 | bool RemoveTemporaryRef() { |
| michael@0 | 77 | --mTemporaryRefs; |
| michael@0 | 78 | return !mTemporaryRefs; |
| michael@0 | 79 | } |
| michael@0 | 80 | |
| michael@0 | 81 | private: |
| michael@0 | 82 | NPIdentifier mIdentifier; |
| michael@0 | 83 | unsigned int mTemporaryRefs; |
| michael@0 | 84 | }; |
| michael@0 | 85 | |
| michael@0 | 86 | } // namespace plugins |
| michael@0 | 87 | } // namespace mozilla |
| michael@0 | 88 | |
| michael@0 | 89 | #endif // dom_plugins_PluginIdentifierParent_h |
