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Side by Side Diff: chrome/browser/task_manager/task_manager_notification_resource_provider.cc

Issue 15196003: Create task_manager namespace and wrap classes related to TaskManager with it. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase Created 7 years, 7 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 #include "chrome/browser/task_manager/task_manager_notification_resource_provide r.h"
6
7 #include "base/string16.h"
8 #include "chrome/browser/browser_process.h"
9 #include "chrome/browser/devtools/devtools_window.h"
10 #include "chrome/browser/notifications/balloon_host.h"
11 #include "chrome/browser/notifications/balloon_notification_ui_manager.h"
12 #include "chrome/common/chrome_notification_types.h"
13 #include "content/public/browser/notification_service.h"
14 #include "content/public/browser/render_process_host.h"
15 #include "content/public/browser/web_contents.h"
16 #include "grit/generated_resources.h"
17 #include "grit/theme_resources.h"
18 #include "ui/base/l10n/l10n_util.h"
19 #include "ui/base/resource/resource_bundle.h"
20 #include "ui/gfx/image/image_skia.h"
21
22 class TaskManagerNotificationResource : public TaskManager::Resource {
23 public:
24 explicit TaskManagerNotificationResource(BalloonHost* balloon_host);
25 virtual ~TaskManagerNotificationResource();
26
27 // TaskManager::Resource interface
28 virtual string16 GetTitle() const OVERRIDE;
29 virtual string16 GetProfileName() const OVERRIDE;
30 virtual gfx::ImageSkia GetIcon() const OVERRIDE;
31 virtual base::ProcessHandle GetProcess() const OVERRIDE;
32 virtual int GetUniqueChildProcessId() const OVERRIDE;
33 virtual Type GetType() const OVERRIDE;
34 virtual bool CanInspect() const OVERRIDE;
35 virtual void Inspect() const OVERRIDE;
36 virtual bool SupportNetworkUsage() const OVERRIDE;
37 virtual void SetSupportNetworkUsage() OVERRIDE { }
38
39 private:
40 // The icon painted for notifications. .
41 static gfx::ImageSkia* default_icon_;
42
43 // Non-owned pointer to the balloon host.
44 BalloonHost* balloon_host_;
45
46 // Cached data about the balloon host.
47 base::ProcessHandle process_handle_;
48 int pid_;
49 int unique_process_id_;
50 string16 title_;
51
52 DISALLOW_COPY_AND_ASSIGN(TaskManagerNotificationResource);
53 };
54
55 gfx::ImageSkia* TaskManagerNotificationResource::default_icon_ = NULL;
56
57 TaskManagerNotificationResource::TaskManagerNotificationResource(
58 BalloonHost* balloon_host)
59 : balloon_host_(balloon_host) {
60 if (!default_icon_) {
61 ResourceBundle& rb = ResourceBundle::GetSharedInstance();
62 default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGINS_FAVICON);
63 }
64 process_handle_ =
65 balloon_host_->web_contents()->GetRenderProcessHost()->GetHandle();
66 unique_process_id_ =
67 balloon_host_->web_contents()->GetRenderProcessHost()->GetID();
68 pid_ = base::GetProcId(process_handle_);
69 title_ = l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_NOTIFICATION_PREFIX,
70 balloon_host_->GetSource());
71 }
72
73 TaskManagerNotificationResource::~TaskManagerNotificationResource() {
74 }
75
76 string16 TaskManagerNotificationResource::GetTitle() const {
77 return title_;
78 }
79
80 string16 TaskManagerNotificationResource::GetProfileName() const {
81 return string16();
82 }
83
84 gfx::ImageSkia TaskManagerNotificationResource::GetIcon() const {
85 return *default_icon_;
86 }
87
88 base::ProcessHandle TaskManagerNotificationResource::GetProcess() const {
89 return process_handle_;
90 }
91
92 int TaskManagerNotificationResource::GetUniqueChildProcessId() const {
93 return unique_process_id_;
94 }
95
96 TaskManager::Resource::Type TaskManagerNotificationResource::GetType() const {
97 return NOTIFICATION;
98 }
99
100 bool TaskManagerNotificationResource::CanInspect() const {
101 return true;
102 }
103
104 void TaskManagerNotificationResource::Inspect() const {
105 DevToolsWindow::OpenDevToolsWindow(
106 balloon_host_->web_contents()->GetRenderViewHost());
107 }
108
109 bool TaskManagerNotificationResource::SupportNetworkUsage() const {
110 return false;
111 }
112
113 ////////////////////////////////////////////////////////////////////////////////
114 // TaskManagerNotificationResourceProvider class
115 ////////////////////////////////////////////////////////////////////////////////
116
117 // static
118 TaskManagerNotificationResourceProvider*
119 TaskManagerNotificationResourceProvider::Create(TaskManager* task_manager) {
120 return new TaskManagerNotificationResourceProvider(task_manager);
121 }
122
123 TaskManagerNotificationResourceProvider::
124 TaskManagerNotificationResourceProvider(TaskManager* task_manager)
125 : task_manager_(task_manager),
126 updating_(false) {
127 }
128
129 TaskManagerNotificationResourceProvider::
130 ~TaskManagerNotificationResourceProvider() {
131 }
132
133 TaskManager::Resource* TaskManagerNotificationResourceProvider::GetResource(
134 int origin_pid,
135 int render_process_host_id,
136 int routing_id) {
137 // TODO(johnnyg): provide resources by pid if necessary.
138 return NULL;
139 }
140
141 void TaskManagerNotificationResourceProvider::StartUpdating() {
142 // MessageCenter does not use Balloons.
143 if (NotificationUIManager::DelegatesToMessageCenter())
144 return;
145
146 DCHECK(!updating_);
147 updating_ = true;
148
149 // Add all the existing BalloonHosts.
150 BalloonNotificationUIManager* balloon_manager =
151 static_cast<BalloonNotificationUIManager*>(
152 g_browser_process->notification_ui_manager());
153 BalloonCollection* collection = balloon_manager->balloon_collection();
154 const BalloonCollection::Balloons& balloons =
155 collection->GetActiveBalloons();
156 for (BalloonCollection::Balloons::const_iterator it = balloons.begin();
157 it != balloons.end(); ++it) {
158 BalloonHost* balloon_host = (*it)->balloon_view()->GetHost();
159 if (balloon_host)
160 AddToTaskManager(balloon_host);
161 }
162 // Register for notifications about extension process changes.
163 registrar_.Add(this, chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED,
164 content::NotificationService::AllSources());
165 registrar_.Add(this, chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED,
166 content::NotificationService::AllSources());
167 }
168
169 void TaskManagerNotificationResourceProvider::StopUpdating() {
170 // MessageCenter does not use Balloons.
171 if (NotificationUIManager::DelegatesToMessageCenter())
172 return;
173
174 DCHECK(updating_);
175 updating_ = false;
176
177 // Unregister for notifications about extension process changes.
178 registrar_.Remove(this, chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED,
179 content::NotificationService::AllSources());
180 registrar_.Remove(this, chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED,
181 content::NotificationService::AllSources());
182
183 // Delete all the resources.
184 STLDeleteContainerPairSecondPointers(resources_.begin(), resources_.end());
185 resources_.clear();
186 }
187
188 void TaskManagerNotificationResourceProvider::Observe(
189 int type,
190 const content::NotificationSource& source,
191 const content::NotificationDetails& details) {
192 switch (type) {
193 case chrome::NOTIFICATION_NOTIFY_BALLOON_CONNECTED:
194 AddToTaskManager(content::Source<BalloonHost>(source).ptr());
195 break;
196 case chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED:
197 RemoveFromTaskManager(content::Source<BalloonHost>(source).ptr());
198 break;
199 default:
200 NOTREACHED() << "Unexpected notification.";
201 return;
202 }
203 }
204
205 void TaskManagerNotificationResourceProvider::AddToTaskManager(
206 BalloonHost* balloon_host) {
207 TaskManagerNotificationResource* resource =
208 new TaskManagerNotificationResource(balloon_host);
209 DCHECK(resources_.find(balloon_host) == resources_.end());
210 resources_[balloon_host] = resource;
211 task_manager_->AddResource(resource);
212 }
213
214 void TaskManagerNotificationResourceProvider::RemoveFromTaskManager(
215 BalloonHost* balloon_host) {
216 if (!updating_)
217 return;
218 std::map<BalloonHost*, TaskManagerNotificationResource*>::iterator iter =
219 resources_.find(balloon_host);
220 if (iter == resources_.end())
221 return;
222
223 // Remove the resource from the Task Manager.
224 TaskManagerNotificationResource* resource = iter->second;
225 task_manager_->RemoveResource(resource);
226
227 // Remove it from the map.
228 resources_.erase(iter);
229
230 // Finally, delete the resource.
231 delete resource;
232 }
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