blob: 3f5c9e745853aa64f3e120ae68182d0165729824 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/webui/task_manager_dialog.h"
#include "base/bind.h"
#include "base/memory/singleton.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/platform_util.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/webui/html_dialog_ui.h"
#include "chrome/common/url_constants.h"
#include "grit/google_chrome_strings.h"
#include "ui/base/l10n/l10n_util.h"
#if defined(OS_CHROMEOS)
#include "views/widget/widget.h"
#endif
using content::BrowserThread;
class TaskManagerDialogImpl : public HtmlDialogUIDelegate {
public:
TaskManagerDialogImpl();
static void Show(bool is_background_page_mode);
static TaskManagerDialogImpl* GetInstance();
protected:
friend struct DefaultSingletonTraits<TaskManagerDialogImpl>;
virtual ~TaskManagerDialogImpl();
void OnCloseDialog();
// Overridden from HtmlDialogUIDelegate:
virtual bool IsDialogModal() const OVERRIDE {
return false;
}
virtual string16 GetDialogTitle() const OVERRIDE {
return l10n_util::GetStringUTF16(IDS_TASK_MANAGER_TITLE);
}
virtual GURL GetDialogContentURL() const OVERRIDE {
std::string url_string(chrome::kChromeUITaskManagerURL);
url_string += "?";
#if defined(OS_CHROMEOS)
url_string += "showclose=1&showtitle=1&";
#endif // defined(OS_CHROMEOS)
if (is_background_page_mode_)
url_string += "background=1";
return GURL(url_string);
}
virtual void GetWebUIMessageHandlers(
std::vector<WebUIMessageHandler*>* handlers) const OVERRIDE {
}
virtual void GetDialogSize(gfx::Size* size) const OVERRIDE {
size->SetSize(640, 480);
}
virtual std::string GetDialogArgs() const OVERRIDE {
return std::string();
}
virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE {
OnCloseDialog();
}
virtual void OnCloseContents(TabContents* source, bool* out_close_dialog)
OVERRIDE {
*out_close_dialog = true;
}
virtual bool ShouldShowDialogTitle() const OVERRIDE {
return false;
}
virtual bool HandleContextMenu(const ContextMenuParams& params) OVERRIDE {
return true;
}
private:
void ShowDialog(bool is_background_page_mode);
void OpenHtmlDialog();
int show_count_;
gfx::NativeWindow window_;
bool is_background_page_mode_;
DISALLOW_COPY_AND_ASSIGN(TaskManagerDialogImpl);
};
// ****************************************************
// static
TaskManagerDialogImpl* TaskManagerDialogImpl::GetInstance() {
DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::IO));
DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::FILE));
return Singleton<TaskManagerDialogImpl>::get();
}
TaskManagerDialogImpl::TaskManagerDialogImpl()
: show_count_(0),
window_(NULL),
is_background_page_mode_(false) {
}
TaskManagerDialogImpl::~TaskManagerDialogImpl() {
}
// static
void TaskManagerDialogImpl::Show(bool is_background_page_mode) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
TaskManagerDialogImpl* dialog = TaskManagerDialogImpl::GetInstance();
dialog->ShowDialog(is_background_page_mode);
}
void TaskManagerDialogImpl::ShowDialog(bool is_background_page_mode) {
if (show_count_ > 0) {
#if defined(OS_CHROMEOS)
// Closes current TaskManager and Opens new one.
views::Widget::GetWidgetForNativeWindow(window_)->Close();
#else
// TODO(yoshiki): Supports the other platforms.
platform_util::ActivateWindow(window_);
return;
#endif
}
is_background_page_mode_ = is_background_page_mode;
OpenHtmlDialog();
++show_count_;
}
void TaskManagerDialogImpl::OnCloseDialog() {
if (show_count_ > 0)
--show_count_;
}
void TaskManagerDialogImpl::OpenHtmlDialog() {
Browser* browser = BrowserList::GetLastActive();
window_ = browser->BrowserShowHtmlDialog(this, NULL);
}
// ****************************************************
//
// static
void TaskManagerDialog::Show() {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&TaskManagerDialogImpl::Show, false));
}
// static
void TaskManagerDialog::ShowBackgroundPages() {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&TaskManagerDialogImpl::Show, true));
}
|
