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// Copyright (c) 2009 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_VIEWS_FIND_BAR_VIEW_H_
#define CHROME_BROWSER_VIEWS_FIND_BAR_VIEW_H_
#include "base/gfx/size.h"
#include "chrome/browser/find_notification_details.h"
#include "views/controls/button/button.h"
#include "views/controls/text_field.h"
class FindBarWin;
namespace views {
class ImageButton;
class Label;
class MouseEvent;
class View;
}
////////////////////////////////////////////////////////////////////////////////
//
// The FindInPageView is responsible for drawing the UI controls of the
// FindInPage window, the find text box, the 'Find' button and the 'Close'
// button. It communicates the user search words to the FindBarWin.
//
////////////////////////////////////////////////////////////////////////////////
class FindBarView : public views::View,
public views::ButtonListener,
public views::TextField::Controller {
public:
// A tag denoting which button the user pressed.
enum ButtonTag {
FIND_PREVIOUS_TAG = 0, // The Find Previous button.
FIND_NEXT_TAG, // The Find Next button.
CLOSE_TAG, // The Close button (the 'X').
};
explicit FindBarView(FindBarWin* container);
virtual ~FindBarView();
// Sets the text displayed in the text box.
void SetFindText(const std::wstring& find_text);
// 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 FindNotificationDetails& result,
const std::wstring& find_text);
// Claims focus for the text field and selects its contents.
void SetFocusAndSelection();
// Updates the view to let it know where the controller is clipping the
// Find window (while animating the opening or closing of the window).
void animation_offset(int offset) { animation_offset_ = offset; }
// Overridden from views::View:
virtual void Paint(gfx::Canvas* canvas);
virtual void Layout();
virtual gfx::Size GetPreferredSize();
virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
// Overridden from views::ButtonListener:
virtual void ButtonPressed(views::Button* sender);
// Overridden from views::TextField::Controller:
virtual void ContentsChanged(views::TextField* sender,
const std::wstring& new_contents);
virtual bool HandleKeystroke(views::TextField* sender, UINT message,
TCHAR key, UINT repeat_count, UINT flags);
// Set whether or not we're attempting to blend with the toolbar.
void set_toolbar_blend(bool toolbar_blend) { toolbar_blend_ = toolbar_blend; }
private:
// Resets the background for the match count label.
void ResetMatchCountBackground();
// We use a hidden view to grab mouse clicks and bring focus to the find
// text box. This is because although the find text box may look like it
// extends all the way to the find button, it only goes as far as to the
// match_count label. The user, however, expects being able to click anywhere
// inside what looks like the find text box (including on or around the
// match_count label) and have focus brought to the find box.
class FocusForwarderView : public views::View {
public:
explicit FocusForwarderView(
views::TextField* view_to_focus_on_mousedown)
: view_to_focus_on_mousedown_(view_to_focus_on_mousedown) {}
private:
virtual bool OnMousePressed(const views::MouseEvent& event);
views::TextField* view_to_focus_on_mousedown_;
DISALLOW_COPY_AND_ASSIGN(FocusForwarderView);
};
// Manages the OS-specific view for the find bar and acts as an intermediary
// between us and the TabContentsView.
FindBarWin* container_;
// The controls in the window.
views::TextField* find_text_;
views::Label* match_count_text_;
FocusForwarderView* focus_forwarder_view_;
views::ImageButton* find_previous_button_;
views::ImageButton* find_next_button_;
views::ImageButton* close_button_;
// Whether or not we're attempting to blend with the toolbar (this is
// false if the bookmarks bar is visible).
bool toolbar_blend_;
// While animating, the controller clips the window and draws only the bottom
// part of it. The view needs to know the pixel offset at which we are drawing
// the window so that we can draw the curved edges that attach to the toolbar
// in the right location.
int animation_offset_;
DISALLOW_COPY_AND_ASSIGN(FindBarView);
};
#endif // CHROME_BROWSER_VIEWS_FIND_BAR_VIEW_H_
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