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