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Side by Side Diff: chrome/browser/ui/webui/memory_internals/memory_internals_proxy.h

Issue 1722493002: Project Eraser: Kill chrome://memory. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix chrome_browser_ui.gypi. Created 4 years, 9 months ago
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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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