1// Copyright (c) 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/ui/views/conflicting_module_view_win.h"
6
7#include "base/metrics/histogram.h"
8#include "chrome/browser/chrome_notification_types.h"
9#include "chrome/browser/enumerate_modules_model_win.h"
10#include "chrome/browser/profiles/profile.h"
11#include "chrome/browser/ui/browser.h"
12#include "chrome/common/pref_names.h"
13#include "chrome/grit/chromium_strings.h"
14#include "chrome/grit/generated_resources.h"
15#include "chrome/grit/locale_settings.h"
16#include "content/public/browser/notification_service.h"
17#include "content/public/browser/user_metrics.h"
18#include "grit/theme_resources.h"
19#include "ui/accessibility/ax_view_state.h"
20#include "ui/base/l10n/l10n_util.h"
21#include "ui/base/resource/resource_bundle.h"
22#include "ui/views/controls/button/label_button.h"
23#include "ui/views/controls/image_view.h"
24#include "ui/views/controls/label.h"
25#include "ui/views/layout/grid_layout.h"
26#include "ui/views/layout/layout_constants.h"
27#include "ui/views/widget/widget.h"
28
29using base::UserMetricsAction;
30
31namespace {
32
33// Layout constants.
34const int kInsetBottomRight = 13;
35const int kInsetLeft = 14;
36const int kInsetTop = 9;
37const int kHeadlineMessagePadding = 4;
38const int kMessageBubblePadding = 11;
39
40// How often to show this bubble.
41const int kShowConflictingModuleBubbleMax = 3;
42
43}  // namespace
44
45////////////////////////////////////////////////////////////////////////////////
46// ConflictingModuleView
47
48ConflictingModuleView::ConflictingModuleView(
49    views::View* anchor_view,
50    Browser* browser,
51    const GURL& help_center_url)
52    : BubbleDelegateView(anchor_view, views::BubbleBorder::TOP_RIGHT),
53      browser_(browser),
54      explanation_(NULL),
55      learn_more_button_(NULL),
56      not_now_button_(NULL),
57      help_center_url_(help_center_url) {
58  set_close_on_deactivate(false);
59  set_close_on_esc(true);
60
61  // Compensate for built-in vertical padding in the anchor view's image.
62  set_anchor_view_insets(gfx::Insets(5, 0, 5, 0));
63
64  registrar_.Add(this, chrome::NOTIFICATION_MODULE_INCOMPATIBILITY_BADGE_CHANGE,
65                 content::NotificationService::AllSources());
66}
67
68// static
69void ConflictingModuleView::MaybeShow(Browser* browser,
70                                      views::View* anchor_view) {
71  static bool done_checking = false;
72  if (done_checking)
73    return;  // Only show the bubble once per launch.
74
75  EnumerateModulesModel* model = EnumerateModulesModel::GetInstance();
76  GURL url = model->GetFirstNotableConflict();
77  if (!url.is_valid()) {
78    done_checking = true;
79    return;
80  }
81
82  // A pref that counts how often the Sideload Wipeout bubble has been shown.
83  IntegerPrefMember bubble_shown;
84  bubble_shown.Init(prefs::kModuleConflictBubbleShown,
85                    browser->profile()->GetPrefs());
86  if (bubble_shown.GetValue() >= kShowConflictingModuleBubbleMax) {
87    done_checking = true;
88    return;
89  }
90
91  // |anchor_view| must be in a widget (the browser's widget). If not, |browser|
92  // may be destroyed before us, and we'll crash trying to access |browser|
93  // later on. We can't DCHECK |browser|'s widget here as we may be called from
94  // creation of BrowserWindow, which means browser->window() may return NULL.
95  DCHECK(anchor_view);
96  DCHECK(anchor_view->GetWidget());
97
98  ConflictingModuleView* bubble_delegate =
99      new ConflictingModuleView(anchor_view, browser, url);
100  views::BubbleDelegateView::CreateBubble(bubble_delegate);
101  bubble_delegate->ShowBubble();
102
103  done_checking = true;
104}
105
106////////////////////////////////////////////////////////////////////////////////
107// ConflictingModuleView - private.
108
109ConflictingModuleView::~ConflictingModuleView() {
110}
111
112void ConflictingModuleView::ShowBubble() {
113  GetWidget()->Show();
114
115  IntegerPrefMember bubble_shown;
116  bubble_shown.Init(
117      prefs::kModuleConflictBubbleShown,
118      browser_->profile()->GetPrefs());
119  bubble_shown.SetValue(bubble_shown.GetValue() + 1);
120}
121
122void ConflictingModuleView::DismissBubble() {
123  GetWidget()->Close();
124
125  content::RecordAction(
126      UserMetricsAction("ConflictingModuleNotificationDismissed"));
127}
128
129void ConflictingModuleView::Init() {
130  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
131
132  views::GridLayout* layout = views::GridLayout::CreatePanel(this);
133  layout->SetInsets(kInsetTop, kInsetLeft,
134                    kInsetBottomRight, kInsetBottomRight);
135  SetLayoutManager(layout);
136
137  views::ImageView* icon = new views::ImageView();
138  icon->SetImage(rb.GetNativeImageNamed(IDR_INPUT_ALERT_MENU).ToImageSkia());
139  gfx::Size icon_size = icon->GetPreferredSize();
140
141  const int text_column_set_id = 0;
142  views::ColumnSet* upper_columns = layout->AddColumnSet(text_column_set_id);
143  upper_columns->AddColumn(
144      views::GridLayout::LEADING, views::GridLayout::LEADING,
145      0, views::GridLayout::FIXED, icon_size.width(), icon_size.height());
146  upper_columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
147  upper_columns->AddColumn(
148      views::GridLayout::LEADING, views::GridLayout::LEADING,
149      0, views::GridLayout::USE_PREF, 0, 0);
150
151  layout->StartRowWithPadding(
152      0, text_column_set_id, 0, kHeadlineMessagePadding);
153  layout->AddView(icon);
154  explanation_ = new views::Label();
155  explanation_->SetMultiLine(true);
156  explanation_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
157  explanation_->SetText(l10n_util::GetStringUTF16(
158      IDS_OPTIONS_CONFLICTING_MODULE));
159  explanation_->SizeToFit(views::Widget::GetLocalizedContentsWidth(
160      IDS_CONFLICTING_MODULE_BUBBLE_WIDTH_CHARS));
161  layout->AddView(explanation_);
162
163  const int action_row_column_set_id = 1;
164  views::ColumnSet* bottom_columns =
165      layout->AddColumnSet(action_row_column_set_id);
166  bottom_columns->AddPaddingColumn(1, 0);
167  bottom_columns->AddColumn(views::GridLayout::TRAILING,
168      views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
169  bottom_columns->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
170  bottom_columns->AddColumn(views::GridLayout::TRAILING,
171      views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
172  layout->AddPaddingRow(0, 7);
173
174  layout->StartRowWithPadding(0, action_row_column_set_id,
175                              0, kMessageBubblePadding);
176  learn_more_button_ = new views::LabelButton(this,
177      l10n_util::GetStringUTF16(IDS_CONFLICTS_LEARN_MORE));
178  learn_more_button_->SetStyle(views::Button::STYLE_BUTTON);
179  layout->AddView(learn_more_button_);
180  not_now_button_ = new views::LabelButton(this,
181      l10n_util::GetStringUTF16(IDS_CONFLICTS_NOT_NOW));
182  not_now_button_->SetStyle(views::Button::STYLE_BUTTON);
183  layout->AddView(not_now_button_);
184
185  content::RecordAction(
186      UserMetricsAction("ConflictingModuleNotificationShown"));
187
188  UMA_HISTOGRAM_ENUMERATION("ConflictingModule.UserSelection",
189      EnumerateModulesModel::ACTION_BUBBLE_SHOWN,
190      EnumerateModulesModel::ACTION_BOUNDARY);
191}
192
193void ConflictingModuleView::ButtonPressed(views::Button* sender,
194                                          const ui::Event& event) {
195  if (sender == learn_more_button_) {
196    browser_->OpenURL(
197        content::OpenURLParams(help_center_url_,
198                               content::Referrer(),
199                               NEW_FOREGROUND_TAB,
200                               ui::PAGE_TRANSITION_LINK,
201                               false));
202
203    EnumerateModulesModel* model = EnumerateModulesModel::GetInstance();
204    model->AcknowledgeConflictNotification();
205    DismissBubble();
206  } else if (sender == not_now_button_) {
207    DismissBubble();
208  }
209}
210
211void ConflictingModuleView::GetAccessibleState(
212    ui::AXViewState* state) {
213  state->role = ui::AX_ROLE_ALERT;
214}
215
216void ConflictingModuleView::ViewHierarchyChanged(
217  const ViewHierarchyChangedDetails& details) {
218  if (details.is_add && details.child == this)
219    NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
220}
221
222void ConflictingModuleView::Observe(
223    int type,
224    const content::NotificationSource& source,
225    const content::NotificationDetails& details) {
226  DCHECK(type == chrome::NOTIFICATION_MODULE_INCOMPATIBILITY_BADGE_CHANGE);
227  EnumerateModulesModel* model = EnumerateModulesModel::GetInstance();
228  if (!model->ShouldShowConflictWarning())
229    GetWidget()->Close();
230}
231