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| 1 /* | |
| 2 * Copyright (C) 2010 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | |
| 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
| 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | |
| 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
| 23 * THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef ResourceLoadPriority_h | |
| 27 #define ResourceLoadPriority_h | |
| 28 | |
| 29 #include "wtf/Allocator.h" | |
| 30 | |
| 31 namespace blink { | |
| 32 | |
| 33 enum ResourceLoadPriority : int { | |
| 34 // The unresolved priority is here for the convenience of the clients. It | |
| 35 // should not be passed to the ResourceLoadScheduler. | |
| 36 ResourceLoadPriorityUnresolved = -1, | |
| 37 ResourceLoadPriorityVeryLow = 0, | |
| 38 ResourceLoadPriorityLow, | |
| 39 ResourceLoadPriorityMedium, | |
| 40 ResourceLoadPriorityHigh, | |
| 41 ResourceLoadPriorityVeryHigh, | |
| 42 ResourceLoadPriorityLowest = ResourceLoadPriorityVeryLow, | |
| 43 ResourceLoadPriorityHighest = ResourceLoadPriorityVeryHigh, | |
| 44 }; | |
| 45 | |
| 46 struct ResourcePriority final { | |
| 47 STACK_ALLOCATED(); | |
| 48 | |
| 49 public: | |
| 50 enum VisibilityStatus { | |
| 51 NotVisible, | |
| 52 Visible, | |
| 53 }; | |
| 54 | |
| 55 ResourcePriority() : ResourcePriority(NotVisible, 0) {} | |
| 56 ResourcePriority(VisibilityStatus status, int intraValue) | |
| 57 : visibility(status), intraPriorityValue(intraValue) {} | |
| 58 | |
| 59 VisibilityStatus visibility; | |
| 60 int intraPriorityValue; | |
| 61 }; | |
| 62 | |
| 63 } // namespace blink | |
| 64 | |
| 65 #endif | |
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