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// Copyright (c) 2006-2008 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_VIEWS_MESSAGE_BOX_VIEW_VIEW_H__
#define CHROME_VIEWS_MESSAGE_BOX_VIEW_VIEW_H__
#include <string>
#include "base/task.h"
#include "chrome/views/checkbox.h"
#include "chrome/views/image_view.h"
#include "chrome/views/label.h"
#include "chrome/views/text_field.h"
#include "chrome/views/view.h"
// 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 MessageBoxView : public views::View {
public:
// flags
static const int kFlagHasOKButton = 0x1;
static const int kFlagHasCancelButton = 0x2;
static const int kFlagHasPromptField = 0x4;
static const int kFlagHasMessage = 0x8;
// The following flag is used to indicate whether the message's alignment
// should be autodetected or inherited from Chrome UI. Callers should pass
// the correct flag based on the origin of the message. If the message is
// from a web page (such as the JavaScript alert message), its alignment and
// directionality are based on the first character with strong directionality
// in the message. Chrome UI strings are localized string and therefore they
// should have the same alignment and directionality as those of the Chrome
// UI. For example, in RTL locales, even though some strings might begin with
// an English character, they should still be right aligned and be displayed
// Right-To-Left.
//
// TODO(xji): If the message is from a web page, then the message
// directionality should be determined based on the directionality of the web
// page. Please refer to http://crbug.com/7166 for more information.
static const int kAutoDetectAlignment = 0x10;
static const int kIsConfirmMessageBox = kFlagHasMessage |
kFlagHasOKButton |
kFlagHasCancelButton;
static const int kIsJavascriptAlert = kFlagHasOKButton | kFlagHasMessage;
static const int kIsJavascriptConfirm = kIsJavascriptAlert |
kFlagHasCancelButton;
static const int kIsJavascriptPrompt = kIsJavascriptConfirm |
kFlagHasPromptField;
MessageBoxView(int dialog_flags,
const std::wstring& message,
const std::wstring& default_prompt,
int message_width);
MessageBoxView(int dialog_flags,
const std::wstring& message,
const std::wstring& default_prompt);
// Returns the text box.
views::TextField* text_box() { return prompt_field_; }
// Returns user entered data in the prompt field.
std::wstring 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 std::wstring& label);
// Sets the state of the check-box.
void SetCheckBoxSelected(bool selected);
protected:
// Layout and Painting functions.
virtual void ViewHierarchyChanged(bool is_add,
views::View* parent,
views::View* child);
private:
// Sets up the layout manager and initializes the prompt field. This should
// only be called once, from the constructor.
void Init(int dialog_flags, const std::wstring& default_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.
views::Label* message_label_;
// Input text field for the message box.
views::TextField* prompt_field_;
// Icon displayed in the upper left corner of the message box.
views::ImageView* icon_;
// Checkbox for the message box.
views::CheckBox* check_box_;
// Maximum width of the message label.
int message_width_;
ScopedRunnableMethodFactory<MessageBoxView> focus_grabber_factory_;
DISALLOW_EVIL_CONSTRUCTORS(MessageBoxView);
};
#endif // CHROME_VIEWS_MESSAGE_BOX_VIEW_VIEW_H__
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