blob: 858ae9ce8452ad3d3dfa0f8a05b7b3278b715464 (
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
|
// Copyright (c) 2012 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 "ash/screensaver/screensaver_view.h"
#include "ash/shell.h"
#include "ash/shell_delegate.h"
#include "base/bind.h"
#include "base/logging.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "ui/gfx/screen.h"
#include "ui/aura/root_window.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/controls/webview/webview.h"
#include "ui/views/widget/widget.h"
using content::BrowserThread;
namespace {
ash::internal::ScreensaverView* g_instance = NULL;
} // namespace
namespace ash {
void ShowScreensaver(const GURL& url) {
internal::ScreensaverView::ShowScreensaver(url);
}
void CloseScreensaver() {
internal::ScreensaverView::CloseScreensaver();
}
namespace internal {
// static
void ScreensaverView::ShowScreensaver(const GURL& url) {
if (!g_instance) {
g_instance = new ScreensaverView(url);
g_instance->Show();
}
}
// static
void ScreensaverView::CloseScreensaver() {
if (g_instance) {
g_instance->Close();
g_instance = NULL;
}
}
////////////////////////////////////////////////////////////////////////////////
// ScreensaverView, views::WidgetDelegateView implementation.
views::View* ScreensaverView::GetContentsView() {
return this;
}
////////////////////////////////////////////////////////////////////////////////
// ScreensaverView, content::WebContentsObserver implementation.
void ScreensaverView::RenderViewGone(
base::TerminationStatus status) {
LOG(ERROR) << "Screensaver terminated with status " << status
<< ", reloading.";
// Reload the screensaver url into the webcontents.
LoadScreensaver();
}
////////////////////////////////////////////////////////////////////////////////
// ScreensaverView private methods.
ScreensaverView::ScreensaverView(const GURL& url)
: url_(url),
screensaver_webview_(NULL),
container_window_(NULL) {
}
ScreensaverView::~ScreensaverView() {
}
void ScreensaverView::Show() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
// Add the WebView to our view.
AddChildWebContents();
// Show the window.
ShowWindow();
}
void ScreensaverView::Close() {
DCHECK(GetWidget());
GetWidget()->Close();
}
void ScreensaverView::AddChildWebContents() {
content::BrowserContext* context =
Shell::GetInstance()->delegate()->GetCurrentBrowserContext();
screensaver_webview_ = new views::WebView(context);
SetLayoutManager(new views::FillLayout);
AddChildView(screensaver_webview_);
LoadScreensaver();
content::WebContentsObserver::Observe(
screensaver_webview_->GetWebContents());
}
void ScreensaverView::LoadScreensaver() {
screensaver_webview_->GetWebContents()->GetController().LoadURL(
url_,
content::Referrer(),
content::PAGE_TRANSITION_START_PAGE,
std::string());
}
void ScreensaverView::ShowWindow() {
aura::RootWindow* root_window = ash::Shell::GetRootWindow();
gfx::Rect screen_rect =
gfx::Screen::GetMonitorNearestWindow(root_window).bounds();
// We want to be the fullscreen topmost child of the root window.
// There should be nothing ever really that should show up on top of us.
container_window_ = new views::Widget();
views::Widget::InitParams params(
views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params.delegate = this;
params.parent = root_window;
container_window_->Init(params);
container_window_->StackAtTop();
container_window_->SetBounds(screen_rect);
container_window_->Show();
}
// static
ScreensaverView* ScreensaverView::GetInstance() {
return g_instance;
}
} // namespace internal
} // namespace ash
|
