blob: 051fe6ed2db3cb470240e45703677b34582e35d6 [file] [log] [blame]
// 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.
#include <stdint.h>
#include <vector>
#include "base/macros.h"
#include "base/strings/string16.h"
#include "ui/views/view.h"
namespace views {
class Checkbox;
class Label;
class Link;
class LinkListener;
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 {
// Internal class name.
static const char kViewClassName[];
enum Options {
// 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.
// The spec does not say anything about alignment. And we choose to
// align all paragraphs according to the direction of the first paragraph.
struct VIEWS_EXPORT InitParams {
explicit InitParams(const base::string16& message);
uint16_t options;
base::string16 message;
base::string16 default_prompt;
int message_width;
int inter_row_vertical_spacing;
explicit MessageBoxView(const InitParams& params);
~MessageBoxView() override;
// Returns the text box.
views::Textfield* text_box() { return prompt_field_; }
// Returns user entered data in the prompt field.
base::string16 GetInputText();
// Returns true if this message box has a visible checkbox, false otherwise.
bool HasCheckBox() const { return !!checkbox_; }
// Returns true if a checkbox is selected, false otherwise. (And false if
// the message box has no checkbox.)
bool IsCheckBoxSelected();
// 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 base::string16& label);
// Sets the state of the check-box.
void SetCheckBoxSelected(bool selected);
// Sets the text and the listener of the link. If |text| is empty, the link
// is removed.
void SetLink(const base::string16& text, LinkListener* listener);
// View:
void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
// View:
void ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) override;
// Handles Ctrl-C and writes the message in the system clipboard.
bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
const char* GetClassName() const override;
// Sets up the layout manager and initializes the message labels and prompt
// field. This should only be called once, from the constructor.
void Init(const InitParams& params);
// 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_;
// Checkbox for the message box.
Checkbox* checkbox_;
// Link displayed at the bottom of the view.
Link* link_;
// Maximum width of the message label.
int message_width_;
// Spacing between rows in the grid layout.
int inter_row_vertical_spacing_;
} // namespace views