1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/ui/webui/devtools_ui.h"
6
7 #include "base/string_util.h"
8 #include "chrome/browser/net/chrome_url_request_context.h"
9 #include "chrome/browser/profiles/profile.h"
10 #include "chrome/browser/ui/webui/chrome_url_data_manager_backend.h"
11 #include "chrome/common/devtools_messages.h"
12 #include "chrome/common/url_constants.h"
13 #include "content/browser/browser_thread.h"
14 #include "content/browser/renderer_host/render_view_host.h"
15 #include "content/browser/tab_contents/tab_contents.h"
16 #include "grit/devtools_resources_map.h"
17 #include "ui/base/resource/resource_bundle.h"
18
19 namespace {
20
PathWithoutParams(const std::string & path)21 std::string PathWithoutParams(const std::string& path) {
22 return GURL(std::string("chrome-devtools://devtools/") + path)
23 .path().substr(1);
24 }
25
26 }
27
28 class DevToolsDataSource : public ChromeURLDataManager::DataSource {
29 public:
30 DevToolsDataSource();
31
32 virtual void StartDataRequest(const std::string& path,
33 bool is_incognito,
34 int request_id);
35 virtual std::string GetMimeType(const std::string& path) const;
36
37 private:
~DevToolsDataSource()38 ~DevToolsDataSource() {}
39 DISALLOW_COPY_AND_ASSIGN(DevToolsDataSource);
40 };
41
42
DevToolsDataSource()43 DevToolsDataSource::DevToolsDataSource()
44 : DataSource(chrome::kChromeUIDevToolsHost, NULL) {
45 }
46
StartDataRequest(const std::string & path,bool is_incognito,int request_id)47 void DevToolsDataSource::StartDataRequest(const std::string& path,
48 bool is_incognito,
49 int request_id) {
50 std::string filename = PathWithoutParams(path);
51
52 int resource_id = -1;
53 for (size_t i = 0; i < kDevtoolsResourcesSize; ++i) {
54 if (filename == kDevtoolsResources[i].name) {
55 resource_id = kDevtoolsResources[i].value;
56 break;
57 }
58 }
59
60 DLOG_IF(WARNING, -1 == resource_id) << "Unable to find dev tool resource: "
61 << filename << ". If you compiled with debug_devtools=1, try running"
62 " with --debug-devtools.";
63 const ResourceBundle& rb = ResourceBundle::GetSharedInstance();
64 scoped_refptr<RefCountedStaticMemory> bytes(rb.LoadDataResourceBytes(
65 resource_id));
66 SendResponse(request_id, bytes);
67 }
68
GetMimeType(const std::string & path) const69 std::string DevToolsDataSource::GetMimeType(const std::string& path) const {
70 std::string filename = PathWithoutParams(path);
71 if (EndsWith(filename, ".html", false)) {
72 return "text/html";
73 } else if (EndsWith(filename, ".css", false)) {
74 return "text/css";
75 } else if (EndsWith(filename, ".js", false)) {
76 return "application/javascript";
77 } else if (EndsWith(filename, ".png", false)) {
78 return "image/png";
79 } else if (EndsWith(filename, ".gif", false)) {
80 return "image/gif";
81 }
82 NOTREACHED();
83 return "text/plain";
84 }
85
86 // static
RegisterDevToolsDataSource()87 void DevToolsUI::RegisterDevToolsDataSource() {
88 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
89 static bool registered = false;
90 if (!registered) {
91 DevToolsDataSource* data_source = new DevToolsDataSource();
92 ChromeURLRequestContext* context = static_cast<ChromeURLRequestContext*>(
93 Profile::GetDefaultRequestContext()->GetURLRequestContext());
94 context->GetChromeURLDataManagerBackend()->AddDataSource(data_source);
95 registered = true;
96 }
97 }
98
DevToolsUI(TabContents * contents)99 DevToolsUI::DevToolsUI(TabContents* contents) : WebUI(contents) {
100 DevToolsDataSource* data_source = new DevToolsDataSource();
101 contents->profile()->GetChromeURLDataManager()->AddDataSource(data_source);
102 }
103
RenderViewCreated(RenderViewHost * render_view_host)104 void DevToolsUI::RenderViewCreated(RenderViewHost* render_view_host) {
105 render_view_host->Send(new DevToolsMsg_SetupDevToolsClient(
106 render_view_host->routing_id()));
107 }
108