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// Copyright 2012 The Chromium Authors
// 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_FIND_BAR_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_FIND_BAR_VIEW_H_
#include <memory>
#include <string>
#include <string_view>
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/views/chrome_views_export.h"
#include "ui/base/interaction/element_identifier.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/controls/textfield/textfield_controller.h"
#include "ui/views/layout/box_layout_view.h"
class FindBarHost;
class FindBarMatchCountLabel;
namespace find_in_page {
class FindNotificationDetails;
}
namespace gfx {
class Range;
}
namespace views {
class Painter;
class Separator;
class Textfield;
} // namespace views
////////////////////////////////////////////////////////////////////////////////
//
// The FindBarView is responsible for drawing the UI controls of the
// FindBar, the find text box, the 'Find' button and the 'Close'
// button. It communicates the user search words to the FindBarHost.
//
////////////////////////////////////////////////////////////////////////////////
class FindBarView : public views::BoxLayoutView,
public views::TextfieldController {
METADATA_HEADER(FindBarView, views::BoxLayoutView)
public:
// Element IDs for ui::ElementTracker
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kElementId);
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kTextField);
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kPreviousButtonElementId);
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kNextButtonElementId);
DECLARE_CLASS_ELEMENT_IDENTIFIER_VALUE(kCloseButtonElementId);
explicit FindBarView(FindBarHost* host = nullptr);
FindBarView(const FindBarView&) = delete;
FindBarView& operator=(const FindBarView&) = delete;
~FindBarView() override;
void SetHost(FindBarHost* host);
// Accessors for the text and selection displayed in the text box.
void SetFindTextAndSelectedRange(const std::u16string& find_text,
const gfx::Range& selected_range);
std::u16string_view GetFindText() const;
gfx::Range GetSelectedRange() const;
// Gets the selected text in the text box.
std::u16string_view GetFindSelectedText() const;
// Gets the match count text displayed in the text box.
std::u16string_view GetMatchCountText() const;
// Updates the label inside the Find text box that shows the ordinal of the
// active item and how many matches were found.
void UpdateForResult(const find_in_page::FindNotificationDetails& result,
const std::u16string& find_text);
// Clears the current Match Count value in the Find text box.
void ClearMatchCount();
// Claims focus for the text field and selects its contents.
void FocusAndSelectAll();
// Check whether the find bar currently contains focus. This function is used
// to determine if the find bar is actively holding focus, which is necessary
// to ensure that focus is restored to the last focused element when find bar
// don't have focus.
bool ContainsFocus() const;
// views::View:
bool OnMousePressed(const ui::MouseEvent& event) override;
gfx::Size CalculatePreferredSize(
const views::SizeBounds& available_size) const override;
// views::TextfieldController:
bool HandleKeyEvent(views::Textfield* sender,
const ui::KeyEvent& key_event) override;
void OnAfterUserAction(views::Textfield* sender) override;
void OnAfterPaste() override;
private:
FRIEND_TEST_ALL_PREFIXES(LegacyFindInPageTest, AccessibleName);
const views::ViewAccessibility&
GetFindBarMatchCountLabelViewAccessibilityForTesting();
// Starts finding |search_text|. If the text is empty, stops finding.
void Find(std::u16string_view search_text);
// Find the next/previous occurrence of search text when clicking the
// next/previous button.
void FindNext(bool reverse = false);
// End the current find session and close the find bubble.
void EndFindSession();
// Updates the appearance for the match count label.
void UpdateMatchCountAppearance(bool no_match);
// Returns the color for the icons on the buttons per the current NativeTheme.
SkColor GetTextColorForIcon();
// The OS-specific view for the find bar that acts as an intermediary
// between us and the WebContentsView.
raw_ptr<FindBarHost> find_bar_host_;
// Used to detect if the input text, not including the IME composition text,
// has changed or not.
std::u16string last_searched_text_;
// The controls in the window.
raw_ptr<views::Textfield> find_text_;
std::unique_ptr<views::Painter> find_text_border_;
raw_ptr<FindBarMatchCountLabel> match_count_text_;
raw_ptr<views::Separator> separator_;
raw_ptr<views::ImageButton> find_previous_button_;
raw_ptr<views::ImageButton> find_next_button_;
raw_ptr<views::ImageButton> close_button_;
};
BEGIN_VIEW_BUILDER(/* no export */, FindBarView, views::BoxLayoutView)
VIEW_BUILDER_PROPERTY(FindBarHost*, Host)
END_VIEW_BUILDER
DEFINE_VIEW_BUILDER(/* no export */, FindBarView)
#endif // CHROME_BROWSER_UI_VIEWS_FIND_BAR_VIEW_H_
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