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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 UI_VIEWS_CONTROLS_MESSAGE_BOX_VIEW_H_
#define UI_VIEWS_CONTROLS_MESSAGE_BOX_VIEW_H_
#pragma once
#include <string>
#include <vector>
#include "base/string16.h"
#include "ui/views/view.h"
namespace views {
class Checkbox;
class ImageView;
class Label;
class Textfield;
// This class displays the contents of a message box. It is intended for use
// within a constrained window, and has options for a message, prompt, OK
// and Cancel buttons.
class VIEWS_EXPORT MessageBoxView : public View {
public:
enum Options {
NO_OPTIONS = 0,
// For a message from a web page (not from Chrome's UI), such as script
// dialog text, each paragraph's directionality is auto-detected using the
// directionality of the paragraph's first strong character's. Please refer
// to HTML5 spec for details.
// http://dev.w3.org/html5/spec/Overview.html#text-rendered-in-native-user-interfaces:
// The spec does not say anything about alignment. And we choose to
// align all paragraphs according to the direction of the first paragraph.
DETECT_DIRECTIONALITY = 1 << 0,
HAS_PROMPT_FIELD = 1 << 1,
};
MessageBoxView(int options,
const string16& message,
const string16& default_prompt,
int message_width);
MessageBoxView(int options,
const string16& message,
const string16& default_prompt);
virtual ~MessageBoxView();
// Returns the text box.
views::Textfield* text_box() { return prompt_field_; }
// Returns user entered data in the prompt field.
string16 GetInputText();
// Returns true if a checkbox is selected, false otherwise. (And false if
// the message box has no checkbox.)
bool IsCheckBoxSelected();
// Adds |icon| to the upper left of the message box or replaces the current
// icon. To start out, the message box has no icon.
void SetIcon(const SkBitmap& icon);
// Adds a checkbox with the specified label to the message box if this is the
// first call. Otherwise, it changes the label of the current checkbox. To
// start, the message box has no checkbox until this function is called.
void SetCheckBoxLabel(const string16& label);
// Sets the state of the check-box.
void SetCheckBoxSelected(bool selected);
// View:
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
protected:
// View:
virtual void ViewHierarchyChanged(bool is_add,
views::View* parent,
views::View* child) OVERRIDE;
// Handles Ctrl-C and writes the message in the system clipboard.
virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
private:
// Sets up the layout manager and initializes the message labels and prompt
// field. This should only be called once, from the constructor.
void Init(int options, const string16& message, const string16& prompt);
// Sets up the layout manager based on currently initialized views. Should be
// called when a view is initialized or changed.
void ResetLayoutManager();
// Message for the message box.
std::vector<Label*> message_labels_;
// Input text field for the message box.
Textfield* prompt_field_;
// Icon displayed in the upper left corner of the message box.
ImageView* icon_;
// Checkbox for the message box.
Checkbox* checkbox_;
// Maximum width of the message label.
int message_width_;
DISALLOW_COPY_AND_ASSIGN(MessageBoxView);
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_MESSAGE_BOX_VIEW_H_