1 // Copyright (c) 2009 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/extensions/extension_devtools_manager.h"
6
7 #include "base/message_loop.h"
8 #include "base/string_util.h"
9 #include "base/task.h"
10 #include "chrome/browser/extensions/extension_devtools_bridge.h"
11 #include "chrome/browser/extensions/extension_devtools_events.h"
12
ExtensionDevToolsManager(Profile * profile)13 ExtensionDevToolsManager::ExtensionDevToolsManager(Profile* profile)
14 : profile_(profile),
15 ui_loop_(NULL) {
16 DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI);
17 ui_loop_ = MessageLoop::current();
18 }
19
~ExtensionDevToolsManager()20 ExtensionDevToolsManager::~ExtensionDevToolsManager() {
21 }
22
AddEventListener(const std::string & event_name,int render_process_id)23 void ExtensionDevToolsManager::AddEventListener(const std::string& event_name,
24 int render_process_id) {
25 int tab_id;
26 if (ExtensionDevToolsEvents::IsDevToolsEventName(event_name, &tab_id)) {
27 // Add the renderer process ID to the set of processes interested
28 // in this tab.
29 tab_id_to_render_process_ids_[tab_id].insert(render_process_id);
30 if (tab_id_to_bridge_.count(tab_id) == 0) {
31 // Create a new bridge for this tab if there isn't one already.
32 linked_ptr<ExtensionDevToolsBridge> bridge(
33 new ExtensionDevToolsBridge(tab_id, profile_));
34 if (bridge->RegisterAsDevToolsClientHost()) {
35 tab_id_to_bridge_[tab_id] = bridge;
36 }
37 }
38 }
39 }
40
RemoveEventListener(const std::string & event_name,int render_process_id)41 void ExtensionDevToolsManager::RemoveEventListener(
42 const std::string& event_name,
43 int render_process_id) {
44 int tab_id;
45 if (ExtensionDevToolsEvents::IsDevToolsEventName(event_name, &tab_id)) {
46 std::map<int, std::set<int> >::iterator it =
47 tab_id_to_render_process_ids_.find(tab_id);
48 if (it != tab_id_to_render_process_ids_.end()) {
49 // Remove the process from the set of processes interested in this tab.
50 it->second.erase(render_process_id);
51 if (it->second.empty()) {
52 // No renderers have registered listeners for this tab, so kill the
53 // bridge if there is one.
54 if (tab_id_to_bridge_.count(tab_id) != 0) {
55 linked_ptr<ExtensionDevToolsBridge> bridge(tab_id_to_bridge_[tab_id]);
56 bridge->UnregisterAsDevToolsClientHost();
57 tab_id_to_bridge_.erase(tab_id);
58 }
59 }
60 }
61 }
62 }
63
BridgeClosingForTab(int tab_id)64 void ExtensionDevToolsManager::BridgeClosingForTab(int tab_id) {
65 if (tab_id_to_bridge_.count(tab_id) != 0) {
66 linked_ptr<ExtensionDevToolsBridge> bridge(tab_id_to_bridge_[tab_id]);
67 bridge->UnregisterAsDevToolsClientHost();
68 tab_id_to_bridge_.erase(tab_id);
69 }
70 tab_id_to_render_process_ids_.erase(tab_id);
71 }
72
73