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| 1 /* |
| 2 * Copyright 2016 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #include "SkColor.h" |
| 9 |
| 10 struct MHD_Connection; |
| 11 struct Request; |
| 12 |
| 13 class UrlHandler { |
| 14 public: |
| 15 virtual ~UrlHandler() {} |
| 16 virtual bool canHandle(const char* method, const char* url) = 0; |
| 17 virtual int handle(Request* request, MHD_Connection* connection, |
| 18 const char* url, const char* method, |
| 19 const char* upload_data, size_t* upload_data_size) = 0; |
| 20 }; |
| 21 |
| 22 class CmdHandler : public UrlHandler { |
| 23 public: |
| 24 bool canHandle(const char* method, const char* url) override; |
| 25 int handle(Request* request, MHD_Connection* connection, |
| 26 const char* url, const char* method, |
| 27 const char* upload_data, size_t* upload_data_size) override; |
| 28 }; |
| 29 |
| 30 class ImgHandler : public UrlHandler { |
| 31 public: |
| 32 bool canHandle(const char* method, const char* url) override; |
| 33 int handle(Request* request, MHD_Connection* connection, |
| 34 const char* url, const char* method, |
| 35 const char* upload_data, size_t* upload_data_size) override; |
| 36 }; |
| 37 |
| 38 class BreakHandler : public UrlHandler { |
| 39 public: |
| 40 bool canHandle(const char* method, const char* url) override; |
| 41 int handle(Request* request, MHD_Connection* connection, |
| 42 const char* url, const char* method, |
| 43 const char* upload_data, size_t* upload_data_size) override; |
| 44 private: |
| 45 static SkColor GetPixel(Request* request, int x, int y); |
| 46 }; |
| 47 |
| 48 /** |
| 49 Updates the clip visualization alpha. On all subsequent /img requests, the cl
ip will be drawn in |
| 50 black with the specified alpha. 0 = no visible clip, 255 = fully opaque clip. |
| 51 */ |
| 52 class ClipAlphaHandler : public UrlHandler { |
| 53 public: |
| 54 bool canHandle(const char* method, const char* url) override; |
| 55 int handle(Request* request, MHD_Connection* connection, |
| 56 const char* url, const char* method, |
| 57 const char* upload_data, size_t* upload_data_size) override; |
| 58 }; |
| 59 |
| 60 /** |
| 61 Controls whether GPU rendering is enabled. Posting to /enableGPU/1 turns GPU
on, /enableGPU/0 |
| 62 disables it. |
| 63 */ |
| 64 class EnableGPUHandler : public UrlHandler { |
| 65 public: |
| 66 bool canHandle(const char* method, const char* url) override; |
| 67 int handle(Request* request, MHD_Connection* connection, |
| 68 const char* url, const char* method, |
| 69 const char* upload_data, size_t* upload_data_size) override; |
| 70 }; |
| 71 |
| 72 class PostHandler : public UrlHandler { |
| 73 public: |
| 74 bool canHandle(const char* method, const char* url) override; |
| 75 int handle(Request* request, MHD_Connection* connection, |
| 76 const char* url, const char* method, |
| 77 const char* upload_data, size_t* upload_data_size) override; |
| 78 }; |
| 79 |
| 80 class DownloadHandler : public UrlHandler { |
| 81 public: |
| 82 bool canHandle(const char* method, const char* url) override; |
| 83 int handle(Request* request, MHD_Connection* connection, |
| 84 const char* url, const char* method, |
| 85 const char* upload_data, size_t* upload_data_size) override; |
| 86 }; |
| 87 |
| 88 class InfoHandler : public UrlHandler { |
| 89 public: |
| 90 bool canHandle(const char* method, const char* url) override; |
| 91 int handle(Request* request, MHD_Connection* connection, |
| 92 const char* url, const char* method, |
| 93 const char* upload_data, size_t* upload_data_size) override; |
| 94 }; |
| 95 |
| 96 class DataHandler : public UrlHandler { |
| 97 public: |
| 98 bool canHandle(const char* method, const char* url) override; |
| 99 int handle(Request* request, MHD_Connection* connection, |
| 100 const char* url, const char* method, |
| 101 const char* upload_data, size_t* upload_data_size) override; |
| 102 }; |
| 103 |
| 104 class RootHandler : public UrlHandler { |
| 105 public: |
| 106 bool canHandle(const char* method, const char* url) override; |
| 107 int handle(Request* request, MHD_Connection* connection, |
| 108 const char* url, const char* method, |
| 109 const char* upload_data, size_t* upload_data_size) override; |
| 110 }; |
| 111 |
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