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// 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.
#ifndef CHROME_BROWSER_UI_GLOBAL_ERROR_GLOBAL_ERROR_H_
#define CHROME_BROWSER_UI_GLOBAL_ERROR_GLOBAL_ERROR_H_
#include <vector>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
class Browser;
class GlobalErrorBubbleViewBase;
namespace gfx {
class Image;
}
// This object describes a single global error.
class GlobalError {
public:
enum Severity {
SEVERITY_LOW,
SEVERITY_MEDIUM,
SEVERITY_HIGH,
};
GlobalError();
virtual ~GlobalError();
// Returns the error's severity level. If there are multiple errors,
// the error with the highest severity will display in the menu. If not
// overridden, this is based on the badge resource ID.
virtual Severity GetSeverity();
// Returns true if a menu item should be added to the app menu.
virtual bool HasMenuItem() = 0;
// Returns the command ID for the menu item.
virtual int MenuItemCommandID() = 0;
// Returns the label for the menu item.
virtual base::string16 MenuItemLabel() = 0;
// Returns the menu item icon.
virtual gfx::Image MenuItemIcon();
// Called when the user clicks on the menu item.
virtual void ExecuteMenuItem(Browser* browser) = 0;
// Returns true if a bubble view should be shown.
virtual bool HasBubbleView() = 0;
// Returns true if the bubble view has been shown.
virtual bool HasShownBubbleView() = 0;
// Called to show the bubble view.
virtual void ShowBubbleView(Browser* browser) = 0;
// Returns the bubble view.
virtual GlobalErrorBubbleViewBase* GetBubbleView() = 0;
};
// This object describes a single global error that already comes with support
// for showing a standard Bubble UI. Derived classes just need to supply the
// content to be displayed in the bubble.
class GlobalErrorWithStandardBubble
: public GlobalError,
public base::SupportsWeakPtr<GlobalErrorWithStandardBubble> {
public:
GlobalErrorWithStandardBubble();
~GlobalErrorWithStandardBubble() override;
// Returns an icon to use for the bubble view.
virtual gfx::Image GetBubbleViewIcon();
// Returns the title for the bubble view.
virtual base::string16 GetBubbleViewTitle() = 0;
// Returns the messages for the bubble view, one per line. Multiple messages
// are only supported on Views.
// TODO(yoz): Add multi-line support for GTK and Cocoa.
virtual std::vector<base::string16> GetBubbleViewMessages() = 0;
// Returns the accept button label for the bubble view.
virtual base::string16 GetBubbleViewAcceptButtonLabel() = 0;
// Returns true if the bubble needs a close(x) button.
virtual bool ShouldShowCloseButton() const;
// Returns true if the accept button needs elevation icon (only effective
// on Windows platform).
virtual bool ShouldAddElevationIconToAcceptButton();
// Returns the cancel button label for the bubble view. To hide the cancel
// button return an empty string.
virtual base::string16 GetBubbleViewCancelButtonLabel() = 0;
// Called when the bubble view is closed. |browser| is the Browser that the
// bubble view was shown on.
void BubbleViewDidClose(Browser* browser);
// Notifies subclasses that the bubble view is closed. |browser| is the
// Browser that the bubble view was shown on.
virtual void OnBubbleViewDidClose(Browser* browser) = 0;
// Called when the user clicks on the accept button. |browser| is the
// Browser that the bubble view was shown on.
virtual void BubbleViewAcceptButtonPressed(Browser* browser) = 0;
// Called when the user clicks the cancel button. |browser| is the
// Browser that the bubble view was shown on.
virtual void BubbleViewCancelButtonPressed(Browser* browser) = 0;
// Returns true if the bubble should close when focus is lost. If false, the
// bubble will stick around until the user explicitly acknowledges it.
// Defaults to true.
virtual bool ShouldCloseOnDeactivate() const;
// GlobalError overrides:
bool HasBubbleView() override;
bool HasShownBubbleView() override;
void ShowBubbleView(Browser* browser) override;
GlobalErrorBubbleViewBase* GetBubbleView() override;
private:
bool has_shown_bubble_view_;
GlobalErrorBubbleViewBase* bubble_view_;
DISALLOW_COPY_AND_ASSIGN(GlobalErrorWithStandardBubble);
};
#endif // CHROME_BROWSER_UI_GLOBAL_ERROR_GLOBAL_ERROR_H_
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