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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef EventDispatchForbiddenScope_h | 5 #ifndef EventDispatchForbiddenScope_h |
| 6 #define EventDispatchForbiddenScope_h | 6 #define EventDispatchForbiddenScope_h |
| 7 | 7 |
| 8 #include "platform/PlatformExport.h" | 8 #include "platform/PlatformExport.h" |
| 9 #include "wtf/Allocator.h" | 9 #include "wtf/Allocator.h" |
| 10 #include "wtf/Assertions.h" | 10 #include "wtf/Assertions.h" |
| 11 #include "wtf/TemporaryChange.h" | 11 #include "wtf/AutoReset.h" |
| 12 | 12 |
| 13 namespace blink { | 13 namespace blink { |
| 14 | 14 |
| 15 #if DCHECK_IS_ON() | 15 #if DCHECK_IS_ON() |
| 16 | 16 |
| 17 class EventDispatchForbiddenScope { | 17 class EventDispatchForbiddenScope { |
| 18 STACK_ALLOCATED(); | 18 STACK_ALLOCATED(); |
| 19 WTF_MAKE_NONCOPYABLE(EventDispatchForbiddenScope); | 19 WTF_MAKE_NONCOPYABLE(EventDispatchForbiddenScope); |
| 20 public: | 20 public: |
| 21 EventDispatchForbiddenScope() | 21 EventDispatchForbiddenScope() |
| (...skipping 13 matching lines...) Expand all Loading... |
| 35 { | 35 { |
| 36 if (!isMainThread()) | 36 if (!isMainThread()) |
| 37 return false; | 37 return false; |
| 38 return s_count; | 38 return s_count; |
| 39 } | 39 } |
| 40 | 40 |
| 41 class AllowUserAgentEvents { | 41 class AllowUserAgentEvents { |
| 42 STACK_ALLOCATED(); | 42 STACK_ALLOCATED(); |
| 43 public: | 43 public: |
| 44 AllowUserAgentEvents() | 44 AllowUserAgentEvents() |
| 45 : m_change(s_count, 0) | 45 : m_change(&s_count, 0) |
| 46 { | 46 { |
| 47 ASSERT(isMainThread()); | 47 ASSERT(isMainThread()); |
| 48 } | 48 } |
| 49 | 49 |
| 50 ~AllowUserAgentEvents() | 50 ~AllowUserAgentEvents() |
| 51 { | 51 { |
| 52 ASSERT(!s_count); | 52 ASSERT(!s_count); |
| 53 } | 53 } |
| 54 | 54 |
| 55 TemporaryChange<unsigned> m_change; | 55 AutoReset<unsigned> m_change; |
| 56 }; | 56 }; |
| 57 | 57 |
| 58 private: | 58 private: |
| 59 PLATFORM_EXPORT static unsigned s_count; | 59 PLATFORM_EXPORT static unsigned s_count; |
| 60 }; | 60 }; |
| 61 | 61 |
| 62 #else | 62 #else |
| 63 | 63 |
| 64 class EventDispatchForbiddenScope { | 64 class EventDispatchForbiddenScope { |
| 65 STACK_ALLOCATED(); | 65 STACK_ALLOCATED(); |
| 66 WTF_MAKE_NONCOPYABLE(EventDispatchForbiddenScope); | 66 WTF_MAKE_NONCOPYABLE(EventDispatchForbiddenScope); |
| 67 public: | 67 public: |
| 68 EventDispatchForbiddenScope() { } | 68 EventDispatchForbiddenScope() { } |
| 69 | 69 |
| 70 class AllowUserAgentEvents { | 70 class AllowUserAgentEvents { |
| 71 public: | 71 public: |
| 72 AllowUserAgentEvents() { } | 72 AllowUserAgentEvents() { } |
| 73 }; | 73 }; |
| 74 }; | 74 }; |
| 75 | 75 |
| 76 #endif // DCHECK_IS_ON() | 76 #endif // DCHECK_IS_ON() |
| 77 | 77 |
| 78 } // namespace blink | 78 } // namespace blink |
| 79 | 79 |
| 80 #endif // EventDispatchForbiddenScope_h | 80 #endif // EventDispatchForbiddenScope_h |
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