111 lines
3.9 KiB
C++
111 lines
3.9 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkColor.h"
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struct MHD_Connection;
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struct Request;
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class UrlHandler {
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public:
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virtual ~UrlHandler() {}
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virtual bool canHandle(const char* method, const char* url) = 0;
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virtual int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) = 0;
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};
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class CmdHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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};
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class ImgHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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};
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class BreakHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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private:
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static SkColor GetPixel(Request* request, int x, int y);
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};
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/**
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Updates the clip visualization alpha. On all subsequent /img requests, the clip will be drawn in
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black with the specified alpha. 0 = no visible clip, 255 = fully opaque clip.
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*/
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class ClipAlphaHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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};
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/**
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Controls whether GPU rendering is enabled. Posting to /enableGPU/1 turns GPU on, /enableGPU/0
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disables it.
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*/
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class EnableGPUHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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};
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class PostHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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};
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class DownloadHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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};
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class InfoHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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};
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class DataHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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};
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class RootHandler : public UrlHandler {
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public:
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bool canHandle(const char* method, const char* url) override;
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int handle(Request* request, MHD_Connection* connection,
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const char* url, const char* method,
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const char* upload_data, size_t* upload_data_size) override;
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};
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