Add an extension bubble explaining which extensions are in dev mode.

chrome/browser/ui/views/extensions/extension_message_bubble_view.cc

+// Copyright (c) 2013 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/views/extensions/extension_message_bubble_view.h"
+
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/extensions/dev_mode_bubble_controller.h"
+#include "chrome/browser/extensions/extension_action_manager.h"
+#include "chrome/browser/extensions/extension_prefs.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/extensions/suspicious_extension_bubble_controller.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
+#include "chrome/browser/ui/views/toolbar/toolbar_view.h"
+#include "grit/locale_settings.h"
+#include "ui/base/accessibility/accessible_view_state.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/views/controls/button/label_button.h"
+#include "ui/views/controls/label.h"
+#include "ui/views/controls/link.h"
+#include "ui/views/layout/grid_layout.h"
+#include "ui/views/view.h"
+#include "ui/views/widget/widget.h"
+
+namespace {
+
+// Layout constants.
+const int kExtensionListPadding = 10;
+const int kInsetBottomRight = 13;
+const int kInsetLeft = 14;
+const int kInsetTop = 9;
+const int kHeadlineMessagePadding = 4;
+const int kHeadlineRowPadding = 10;
+const int kMessageBubblePadding = 11;
+
+// How many extensions to show in the bubble (max).
+const size_t kMaxExtensionsToShow = 7;
+
+// How long to wait until showing the bubble (in seconds).
+const int kBubbleAppearanceWaitTime = 5;
+
+}  // namespace
+
+////////////////////////////////////////////////////////////////////////////////
+// ExtensionMessageBubbleView
+
+namespace extensions {
+
+ExtensionMessageBubbleView::ExtensionMessageBubbleView(
+    views::View* anchor_view,
+    ExtensionMessageBubbleController::Delegate* delegate)
+    : BubbleDelegateView(anchor_view, views::BubbleBorder::TOP_RIGHT),
+      weak_factory_(this),
+      delegate_(delegate),
+      headline_(NULL),
+      learn_more_(NULL),
+      dismiss_button_(NULL),
+      link_clicked_(false),
+      action_taken_(false) {
+  DCHECK(anchor_view->GetWidget());
+  set_close_on_deactivate(false);
+  set_move_with_anchor(true);
+  set_close_on_esc(true);
+
+  // Compensate for built-in vertical padding in the anchor view's image.
+  set_anchor_view_insets(gfx::Insets(5, 0, 5, 0));
+}
+
+// static
+void ExtensionMessageBubbleView::MaybeShow(
+    Browser* browser,
+    ToolbarView* toolbar_view,
+    views::View* anchor_view) {
+  // The list of suspicious extensions takes priority over the dev mode bubble,
+  // since that needs to be shown as soon as we disable something. The dev mode
+  // bubble is not as time sensitive so we'll catch the dev mode extensions on
+  // the next startup/next window that opens. That way, we're not too spammy
+  // with the bubbles.
+  SuspiciousExtensionBubbleController* suspicious_extensions =
+      extensions::SuspiciousExtensionBubbleController::Get(
+          browser->profile());
+  if (suspicious_extensions->ShouldShow()) {
+    ExtensionMessageBubbleView* bubble_delegate =
+        new ExtensionMessageBubbleView(anchor_view, suspicious_extensions);
+    views::BubbleDelegateView::CreateBubble(bubble_delegate);
+    suspicious_extensions->Show(bubble_delegate);
+    return;
+  }
+
+  DevModeBubbleController* dev_mode_extensions =
+      extensions::DevModeBubbleController::Get(
+          browser->profile());
+  if (dev_mode_extensions->ShouldShow()) {
+    views::View* reference_view = NULL;
+    BrowserActionsContainer* container = toolbar_view->browser_actions();
+    if (container->animating())
+      return;
+
+    ExtensionService* service = extensions::ExtensionSystem::Get(
+        browser->profile())->extension_service();
+    extensions::ExtensionActionManager* extension_action_manager =
+        extensions::ExtensionActionManager::Get(browser->profile());
+
+    const ExtensionIdList extension_list =
+        dev_mode_extensions->GetExtensionIdList();
+    for (size_t i = 0; i < extension_list.size(); ++i) {
+      const Extension* extension =
+          service->GetExtensionById(extension_list[i], false);
+      if (!extension)
+        continue;
+      reference_view = container->GetBrowserActionView(
+          extension_action_manager->GetBrowserAction(*extension));
+      if (reference_view && reference_view->visible())
+        break;  // Found a good candidate.
+    }
+    if (reference_view) {
+      // If we have a view, it means we found a browser action and we want to
+      // point to the chevron, not the hotdog menu.
+      if (!reference_view->visible())
+        reference_view = container->chevron();  // It's hidden, use the chevron.
+    }
+    if (reference_view && reference_view->visible())
+      anchor_view = reference_view;  // Catch-all is the hotdog menu.
+
+    // Show the bubble.
+    ExtensionMessageBubbleView* bubble_delegate =
+        new ExtensionMessageBubbleView(anchor_view, dev_mode_extensions);
+    views::BubbleDelegateView::CreateBubble(bubble_delegate);
+    dev_mode_extensions->Show(bubble_delegate);
+  }
+}
+
+void ExtensionMessageBubbleView::OnActionButtonClicked(
+    const base::Closure& callback) {
+  action_callback_ = callback;
+}
+
+void ExtensionMessageBubbleView::OnDismissButtonClicked(
+    const base::Closure& callback) {
+  dismiss_callback_ = callback;
+}
+
+void ExtensionMessageBubbleView::OnLinkClicked(
+    const base::Closure& callback) {
+  link_callback_ = callback;
+}
+
+void ExtensionMessageBubbleView::Show() {
+  // Not showing the bubble right away (during startup) has a few benefits:
+  // We don't have to worry about focus being lost due to the Omnibox (or to
+  // other things that want focus at startup). This allows Esc to work to close
+  // the bubble and also solves the keyboard accessibility problem that comes
+  // with focus being lost (we don't have a good generic mechanism of injecting
+  // bubbles into the focus cycle). Another benefit of delaying the show is
+  // that fade-in works (the fade-in isn't apparent if the the bubble appears at
+  // startup).
+  base::MessageLoop::current()->PostDelayedTask(
+      FROM_HERE,
+      base::Bind(&ExtensionMessageBubbleView::ShowBubble,
+                 weak_factory_.GetWeakPtr()),
+      base::TimeDelta::FromSeconds(kBubbleAppearanceWaitTime));
+}
+
+void ExtensionMessageBubbleView::OnWidgetDestroying(views::Widget* widget) {
+  // To catch Esc, we monitor destroy message. Unless the link has been clicked,
+  // we assume Dismiss was the action taken.
+  if (!link_clicked_ && !action_taken_)
+    dismiss_callback_.Run();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// ExtensionMessageBubbleView - private.
+
+ExtensionMessageBubbleView::~ExtensionMessageBubbleView() {
+}
+
+void ExtensionMessageBubbleView::ShowBubble() {
+  StartFade(true);
+}
+
+void ExtensionMessageBubbleView::Init() {
+  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
+
+  views::GridLayout* layout = views::GridLayout::CreatePanel(this);
+  layout->SetInsets(kInsetTop, kInsetLeft,
+                    kInsetBottomRight, kInsetBottomRight);
+  SetLayoutManager(layout);
+
+  const int headline_column_set_id = 0;
+  views::ColumnSet* top_columns = layout->AddColumnSet(headline_column_set_id);
+  top_columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
+                         0, views::GridLayout::USE_PREF, 0, 0);
+  top_columns->AddPaddingColumn(1, 0);
+  layout->StartRow(0, headline_column_set_id);
+
+  headline_ = new views::Label();
+  headline_->SetFont(rb.GetFont(ui::ResourceBundle::MediumFont));
+  headline_->SetText(delegate_->GetTitle());
+  layout->AddView(headline_);
+
+  layout->AddPaddingRow(0, kHeadlineRowPadding);
+
+  const int text_column_set_id = 1;
+  views::ColumnSet* upper_columns = layout->AddColumnSet(text_column_set_id);
+  upper_columns->AddColumn(
+      views::GridLayout::LEADING, views::GridLayout::LEADING,
+      0, views::GridLayout::USE_PREF, 0, 0);
+  layout->StartRow(0, text_column_set_id);
+
+  views::Label* message = new views::Label();
+  message->SetMultiLine(true);
+  message->SetHorizontalAlignment(gfx::ALIGN_LEFT);
+  message->SetText(delegate_->GetMessageBody());
+  message->SizeToFit(views::Widget::GetLocalizedContentsWidth(
+      IDS_EXTENSION_WIPEOUT_BUBBLE_WIDTH_CHARS));
+  layout->AddView(message);
+
+  if (delegate_->ShouldShowExtensionList()) {
+    const int extension_list_column_set_id = 2;
+    views::ColumnSet* middle_columns =
+        layout->AddColumnSet(extension_list_column_set_id);
+    middle_columns->AddPaddingColumn(0, kExtensionListPadding);
+    middle_columns->AddColumn(
+        views::GridLayout::LEADING, views::GridLayout::CENTER,
+        0, views::GridLayout::USE_PREF, 0, 0);
+
+    layout->StartRowWithPadding(0, extension_list_column_set_id,
+        0, kHeadlineMessagePadding);
+    views::Label* extensions = new views::Label();
+    extensions->SetMultiLine(true);
+    extensions->SetHorizontalAlignment(gfx::ALIGN_LEFT);
+
+    std::vector<string16> extension_list;
+    char16 bullet_point = 0x2022;
+
+    std::vector<string16> suspicious = delegate_->GetExtensions();
+    size_t i = 0;
+    for (; i < suspicious.size() && i < kMaxExtensionsToShow; ++i) {
+      // Add each extension with bullet point.
+      extension_list.push_back(
+          bullet_point + ASCIIToUTF16(" ") + suspicious[i]);
+    }
+
+    if (i > kMaxExtensionsToShow) {
+      string16 difference = base::IntToString16(i - kMaxExtensionsToShow);
+      extension_list.push_back(bullet_point + ASCIIToUTF16(" ") +
+          delegate_->GetOverflowText(difference));
+    }
+
+    extensions->SetText(JoinString(extension_list, ASCIIToUTF16("\n")));
+    extensions->SizeToFit(views::Widget::GetLocalizedContentsWidth(
+        IDS_EXTENSION_WIPEOUT_BUBBLE_WIDTH_CHARS));
+    layout->AddView(extensions);
+  }
+
+  string16 action_button = delegate_->GetActionButtonLabel();
+
+  const int action_row_column_set_id = 3;
+  views::ColumnSet* bottom_columns =
+      layout->AddColumnSet(action_row_column_set_id);
+  bottom_columns->AddColumn(views::GridLayout::LEADING,
+      views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
+  bottom_columns->AddPaddingColumn(1, 0);
+  bottom_columns->AddColumn(views::GridLayout::TRAILING,
+      views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
+  if (!action_button.empty()) {
+    bottom_columns->AddColumn(views::GridLayout::TRAILING,
+        views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
+  }
+  layout->StartRowWithPadding(0, action_row_column_set_id,
+                              0, kMessageBubblePadding);
+
+  learn_more_ = new views::Link(delegate_->GetLearnMoreLabel());
+  learn_more_->set_listener(this);
+  layout->AddView(learn_more_);
+
+  if (!action_button.empty()) {
+    action_button_ = new views::LabelButton(this, action_button.c_str());
+    action_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
+    layout->AddView(action_button_);
+  }
+
+  dismiss_button_ = new views::LabelButton(this,
+      delegate_->GetDismissButtonLabel());
+  dismiss_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
+  layout->AddView(dismiss_button_);
+}
+
+void ExtensionMessageBubbleView::ButtonPressed(views::Button* sender,
+                                               const ui::Event& event) {
+  if (sender == action_button_) {
+    action_taken_ = true;
+    action_callback_.Run();
+  } else {
+    DCHECK_EQ(dismiss_button_, sender);
+  }
+  GetWidget()->Close();
+}
+
+void ExtensionMessageBubbleView::LinkClicked(views::Link* source,
+                                             int event_flags) {
+  DCHECK_EQ(learn_more_, source);
+  link_clicked_ = true;
+  link_callback_.Run();
+  GetWidget()->Close();
+}
+
+void ExtensionMessageBubbleView::GetAccessibleState(
+    ui::AccessibleViewState* state) {
+  state->role = ui::AccessibilityTypes::ROLE_ALERT;
+}
+
+void ExtensionMessageBubbleView::ViewHierarchyChanged(
+    const ViewHierarchyChangedDetails& details) {
+  if (details.is_add && details.child == this)
+    NotifyAccessibilityEvent(ui::AccessibilityTypes::EVENT_ALERT, true);
+}
+
+}  // namespace extensions