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1 // Copyright 2013 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 #ifndef CHROME_BROWSER_UI_WEBUI_MEMORY_INTERNALS_MEMORY_INTERNALS_PROXY_H_ | |
6 #define CHROME_BROWSER_UI_WEBUI_MEMORY_INTERNALS_MEMORY_INTERNALS_PROXY_H_ | |
7 | |
8 #include <stddef.h> | |
9 | |
10 #include <set> | |
11 #include <string> | |
12 | |
13 #include "base/macros.h" | |
14 #include "base/memory/ref_counted.h" | |
15 #include "base/memory/scoped_ptr.h" | |
16 #include "base/strings/string16.h" | |
17 #include "base/values.h" | |
18 #include "chrome/browser/memory_details.h" | |
19 #include "content/public/browser/browser_thread.h" | |
20 | |
21 class MemoryInternalsHandler; | |
22 class RendererDetails; | |
23 | |
24 namespace base { | |
25 class DictionaryValue; | |
26 class ListValue; | |
27 class Value; | |
28 } | |
29 | |
30 namespace content { | |
31 class WebContents; | |
32 } | |
33 | |
34 class MemoryInternalsProxy | |
35 : public base::RefCountedThreadSafe< | |
36 MemoryInternalsProxy, content::BrowserThread::DeleteOnUIThread> { | |
37 public: | |
38 MemoryInternalsProxy(); | |
39 | |
40 // Registers a handler. | |
41 void Attach(MemoryInternalsHandler* handler); | |
42 | |
43 // Unregisters a handler. | |
44 void Detach(); | |
45 | |
46 // Starts fetching memory usages of all processes. | |
47 void StartFetch(const base::ListValue* list); | |
48 | |
49 private: | |
50 friend struct | |
51 content::BrowserThread::DeleteOnThread<content::BrowserThread::UI>; | |
52 friend class base::DeleteHelper<MemoryInternalsProxy>; | |
53 | |
54 typedef ProcessMemoryInformationList::const_iterator PMIIterator; | |
55 | |
56 virtual ~MemoryInternalsProxy(); | |
57 | |
58 // Enumerates all processes information. | |
59 void OnProcessAvailable(const ProcessData& browser); | |
60 | |
61 // Measures memory usage of V8. | |
62 void OnRendererAvailable(const base::ProcessId pid, | |
63 const size_t v8_allocated, | |
64 const size_t v8_used); | |
65 | |
66 // Converts information related to each WebContents, which represents contents | |
67 // in a tab, into Value format and appends it to information of the process | |
68 // which each tab belongs to. | |
69 void ConvertTabsInformation( | |
70 const std::set<content::WebContents*>& web_contents, | |
71 base::ListValue* processes); | |
72 | |
73 // Requests all renderer processes to get detailed memory information. | |
74 void RequestRendererDetails(); | |
75 | |
76 // Be called on finish of collection. | |
77 void FinishCollection(); | |
78 | |
79 // Calls a JavaScript function on a UI page. | |
80 void CallJavaScriptFunctionOnUIThread(const std::string& function, | |
81 const base::Value& args); | |
82 | |
83 MemoryInternalsHandler* handler_; | |
84 base::DictionaryValue* information_; | |
85 scoped_ptr<RendererDetails> renderer_details_; | |
86 | |
87 DISALLOW_COPY_AND_ASSIGN(MemoryInternalsProxy); | |
88 }; | |
89 | |
90 #endif // CHROME_BROWSER_UI_WEBUI_MEMORY_INTERNALS_MEMORY_INTERNALS_PROXY_H_ | |
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