Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(65)

Side by Side Diff: chrome/browser/greasemonkey_master.h

Issue 10895: Add Terminate() to the Process object, have RenderProcessHost use this to avo... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 12 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « chrome/browser/first_run.cc ('k') | chrome/browser/greasemonkey_master.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_GREASEMONKEY_MASTER_H__ 5 #ifndef CHROME_BROWSER_GREASEMONKEY_MASTER_H_
6 #define CHROME_BROWSER_GREASEMONKEY_MASTER_H__ 6 #define CHROME_BROWSER_GREASEMONKEY_MASTER_H_
7 7
8 #include "base/directory_watcher.h" 8 #include "base/directory_watcher.h"
9 #include "base/process.h" 9 #include "base/process.h"
10 #include "base/scoped_ptr.h" 10 #include "base/scoped_ptr.h"
11 #include "base/shared_memory.h" 11 #include "base/shared_memory.h"
12 12
13 class MessageLoop; 13 class MessageLoop;
14 14
15 // Manages a segment of shared memory that contains the Greasemonkey scripts the 15 // Manages a segment of shared memory that contains the Greasemonkey scripts the
16 // user has installed. Lives on the UI thread. 16 // user has installed. Lives on the UI thread.
17 class GreasemonkeyMaster : public base::RefCounted<GreasemonkeyMaster>, 17 class GreasemonkeyMaster : public base::RefCounted<GreasemonkeyMaster>,
18 public DirectoryWatcher::Delegate { 18 public DirectoryWatcher::Delegate {
19 public: 19 public:
20 // For testability, the constructor takes the MessageLoop to run the 20 // For testability, the constructor takes the MessageLoop to run the
21 // script-reloading worker on as well as the path the scripts live in. 21 // script-reloading worker on as well as the path the scripts live in.
22 // These are normally the file thread and DIR_USER_SCRIPTS. 22 // These are normally the file thread and DIR_USER_SCRIPTS.
23 GreasemonkeyMaster(MessageLoop* worker, const FilePath& script_dir); 23 GreasemonkeyMaster(MessageLoop* worker, const FilePath& script_dir);
24 ~GreasemonkeyMaster(); 24 ~GreasemonkeyMaster();
25 25
26 // Gets the segment of shared memory for the scripts. 26 // Gets the segment of shared memory for the scripts.
27 SharedMemory* GetSharedMemory() const { 27 base::SharedMemory* GetSharedMemory() const {
28 return shared_memory_.get(); 28 return shared_memory_.get();
29 } 29 }
30 30
31 // Called by the script reloader when new scripts have been loaded. 31 // Called by the script reloader when new scripts have been loaded.
32 void NewScriptsAvailable(SharedMemory* handle); 32 void NewScriptsAvailable(base::SharedMemory* handle);
33 33
34 // Return true if we have any scripts ready. 34 // Return true if we have any scripts ready.
35 bool ScriptsReady() const { return shared_memory_.get() != NULL; } 35 bool ScriptsReady() const { return shared_memory_.get() != NULL; }
36 36
37 private: 37 private:
38 class ScriptReloader; 38 class ScriptReloader;
39 39
40 // DirectoryWatcher::Delegate implementation. 40 // DirectoryWatcher::Delegate implementation.
41 virtual void OnDirectoryChanged(const FilePath& path); 41 virtual void OnDirectoryChanged(const FilePath& path);
42 42
43 // Kicks off a process on the file thread to reload scripts from disk 43 // Kicks off a process on the file thread to reload scripts from disk
44 // into a new chunk of shared memory and notify renderers. 44 // into a new chunk of shared memory and notify renderers.
45 void StartScan(); 45 void StartScan();
46 46
47 // The directory containing user scripts. 47 // The directory containing user scripts.
48 scoped_ptr<FilePath> user_script_dir_; 48 scoped_ptr<FilePath> user_script_dir_;
49 49
50 // The watcher watches the profile's user scripts directory for new scripts. 50 // The watcher watches the profile's user scripts directory for new scripts.
51 scoped_ptr<DirectoryWatcher> dir_watcher_; 51 scoped_ptr<DirectoryWatcher> dir_watcher_;
52 52
53 // The MessageLoop that the scanner worker runs on. 53 // The MessageLoop that the scanner worker runs on.
54 // Typically the file thread; configurable for testing. 54 // Typically the file thread; configurable for testing.
55 MessageLoop* worker_loop_; 55 MessageLoop* worker_loop_;
56 56
57 // ScriptReloader (in another thread) reloads script off disk. 57 // ScriptReloader (in another thread) reloads script off disk.
58 // We hang on to our pointer to know if we've already got one running. 58 // We hang on to our pointer to know if we've already got one running.
59 scoped_refptr<ScriptReloader> script_reloader_; 59 scoped_refptr<ScriptReloader> script_reloader_;
60 60
61 // Contains the scripts that were found the last time scripts were updated. 61 // Contains the scripts that were found the last time scripts were updated.
62 scoped_ptr<SharedMemory> shared_memory_; 62 scoped_ptr<base::SharedMemory> shared_memory_;
63 63
64 // If the script directory is modified while we're rescanning it, we note 64 // If the script directory is modified while we're rescanning it, we note
65 // that we're currently mid-scan and then start over again once the scan 65 // that we're currently mid-scan and then start over again once the scan
66 // finishes. This boolean tracks whether another scan is pending. 66 // finishes. This boolean tracks whether another scan is pending.
67 bool pending_scan_; 67 bool pending_scan_;
68 68
69 DISALLOW_COPY_AND_ASSIGN(GreasemonkeyMaster); 69 DISALLOW_COPY_AND_ASSIGN(GreasemonkeyMaster);
70 }; 70 };
71 71
72 #endif // CHROME_BROWSER_GREASEMONKEY_MASTER_H__ 72 #endif // CHROME_BROWSER_GREASEMONKEY_MASTER_H_
OLDNEW
« no previous file with comments | « chrome/browser/first_run.cc ('k') | chrome/browser/greasemonkey_master.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698