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 "tools/skiaserve/urlhandlers/UrlHandler.h"
9
10#include "microhttpd.h"
11#include "tools/skiaserve/Request.h"
12#include "tools/skiaserve/Response.h"
13
14using namespace Response;
15
16bool CmdHandler::canHandle(const char* method, const char* url) {
17    const char* kBasePath = "/cmd";
18    return 0 == strncmp(url, kBasePath, strlen(kBasePath));
19}
20
21int CmdHandler::handle(Request* request, MHD_Connection* connection,
22                       const char* url, const char* method,
23                       const char* upload_data, size_t* upload_data_size) {
24    SkTArray<SkString> commands;
25    SkStrSplit(url, "/", &commands);
26
27    if (!request->hasPicture() || commands.count() > 3) {
28        return MHD_NO;
29    }
30
31    // /cmd
32    if (0 == strcmp(method, MHD_HTTP_METHOD_GET)) {
33        sk_sp<SkData> data(request->getJsonOps());
34        return SendData(connection, data.get(), "application/json");
35    }
36
37    // /cmd/N, for now only delete supported
38    if (commands.count() == 2 && 0 == strcmp(method, MHD_HTTP_METHOD_DELETE)) {
39        int n;
40        sscanf(commands[1].c_str(), "%d", &n);
41        request->fDebugCanvas->deleteDrawCommandAt(n);
42        return SendOK(connection);
43    }
44
45    // /cmd/N/[0|1]
46    if (commands.count() == 3 && 0 == strcmp(method, MHD_HTTP_METHOD_POST))  {
47        int n, toggle;
48        sscanf(commands[1].c_str(), "%d", &n);
49        sscanf(commands[2].c_str(), "%d", &toggle);
50        request->fDebugCanvas->toggleCommand(n, SkToBool(toggle));
51        return SendOK(connection);
52    }
53
54    return MHD_NO;
55}
56