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// Copyright 2014 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.
#ifndef CHROME_BROWSER_UI_VIEWS_SESSION_CRASHED_BUBBLE_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_SESSION_CRASHED_BUBBLE_VIEW_H_
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/web_contents_observer.h"
#include "ui/views/bubble/bubble_delegate.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/styled_label_listener.h"
namespace views {
class Checkbox;
class GridLayout;
class LabelButton;
class Widget;
}
namespace content {
class WebContents;
class RenderViewHost;
}
class Browser;
// It creates a session restore request bubble when the previous session has
// crashed. It also presents an option to enable metrics reporting, if it not
// enabled already.
class SessionCrashedBubbleView
: public views::BubbleDelegateView,
public views::ButtonListener,
public views::StyledLabelListener,
public content::WebContentsObserver,
public content::NotificationObserver,
public TabStripModelObserver {
public:
static void Show(Browser* browser);
private:
// A helper class that listens to browser removal event.
class BrowserRemovalObserver;
SessionCrashedBubbleView(views::View* anchor_view,
Browser* browser,
content::WebContents* web_contents,
bool offer_uma_optin);
virtual ~SessionCrashedBubbleView();
// Creates and shows the session crashed bubble, with |uma_opted_in_already|
// indicating whether the user has already opted-in to UMA. It will be called
// by Show. It takes ownership of |browser_observer|.
static void ShowForReal(scoped_ptr<BrowserRemovalObserver> browser_observer,
bool uma_opted_in_already);
// WidgetDelegateView methods.
virtual views::View* GetInitiallyFocusedView() OVERRIDE;
virtual base::string16 GetWindowTitle() const OVERRIDE;
virtual bool ShouldShowWindowTitle() const OVERRIDE;
virtual bool ShouldShowCloseButton() const OVERRIDE;
virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE;
// views::BubbleDelegateView methods.
virtual void Init() OVERRIDE;
// views::ButtonListener methods.
virtual void ButtonPressed(views::Button* sender,
const ui::Event& event) OVERRIDE;
// views::StyledLabelListener methods.
virtual void StyledLabelLinkClicked(const gfx::Range& range,
int event_flags) OVERRIDE;
// content::WebContentsObserver methods.
virtual void DidStartNavigationToPendingEntry(
const GURL& url,
content::NavigationController::ReloadType reload_type) OVERRIDE;
virtual void DidFinishLoad(content::RenderFrameHost* render_frame_host,
const GURL& validated_url) OVERRIDE;
virtual void WasShown() OVERRIDE;
virtual void WasHidden() OVERRIDE;
// content::NotificationObserver methods.
virtual void Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// TabStripModelObserver methods.
// When the tab with current bubble is being dragged and dropped to a new
// window or to another window, the bubble will be dismissed as if the user
// chose not to restore the previous session.
virtual void TabDetachedAt(
content::WebContents* contents,
int index) OVERRIDE;
// Create the view for user to opt in to Uma.
void CreateUmaOptinView(views::GridLayout* layout);
// Restore previous session after user selects so.
void RestorePreviousSession(views::Button* sender);
// Close and destroy the bubble.
void CloseBubble();
content::NotificationRegistrar registrar_;
// Used for opening the question mark link as well as access the tab strip.
Browser* browser_;
// The web content associated with current bubble.
content::WebContents* web_contents_;
// Button for the user to confirm a session restore.
views::LabelButton* restore_button_;
// Checkbox for the user to opt-in to UMA reporting.
views::Checkbox* uma_option_;
// Whether or not the UMA opt-in option should be shown.
bool offer_uma_optin_;
// Whether or not a navigation has started on current tab.
bool started_navigation_;
// Whether or not the user chose to restore previous session. It is used to
// collect bubble usage stats.
bool restored_;
DISALLOW_COPY_AND_ASSIGN(SessionCrashedBubbleView);
};
#endif // CHROME_BROWSER_UI_VIEWS_SESSION_CRASHED_BUBBLE_VIEW_H_
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