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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_BROWSER_VIEWS_FIND_BAR_VIEW_H_
+#define CHROME_BROWSER_VIEWS_FIND_BAR_VIEW_H_
+
+#include "base/gfx/size.h"
+#include "chrome/views/button.h"
+#include "chrome/views/text_field.h"
+
+class FindBarWin;
+
+namespace views {
+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::BaseButton::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').
+ };
+
+ FindBarView(FindBarWin* container);
+ virtual ~FindBarView();
+
+ // Updates the UI to show how many matches were found on the page/frames.
+ // This function does nothing if |number_of_matches| is below 0, which can
+ // happen during a FindNext operation when a scoping effort is already in
+ // progress. |final_update| specifies whether this is the last update message
+ // this Find operation will produce or if this is just a preliminary report.
+ void UpdateMatchCount(int number_of_matches, bool final_update);
+
+ // Notifies the view of the ordinal for the currently active item on the page.
+ void UpdateActiveMatchOrdinal(int ordinal);
+
+ // Updates the label inside the Find text box that shows the ordinal of the
+ // active item and how many matches were found.
+ void UpdateResultLabel();
+
+ // Resets the UI element that shows how many matches were found.
+ void ResetMatchCount();
+
+ // Resets the background for the match count label.
+ void ResetMatchCountBackground();
+
+ // View needs to respond to Show to set focus to the find text box
+ void OnShow();
+
+ // 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(ChromeCanvas* canvas);
+ virtual void Layout();
+ virtual gfx::Size GetPreferredSize();
+ virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
+
+ // Overridden from views::ButtonListener::ButtonPressed:
+ virtual void ButtonPressed(views::BaseButton* sender);
+
+ // Overridden from views::TextField::Controller:
+ virtual void ContentsChanged(views::TextField* sender,
+ const std::wstring& new_contents);
+ virtual void 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 SetToolbarBlend(bool toolbar_blend) {toolbar_blend_ = toolbar_blend;}
+
+ private:
+ // 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 WebContentsView.
+ FindBarWin* container_;
+
+ // The controls in the window.
+ views::TextField* find_text_;
+ views::Label* match_count_text_;
+ FocusForwarderView* focus_forwarder_view_;
+ views::Button* find_previous_button_;
+ views::Button* find_next_button_;
+ views::Button* 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_;
+
+ // How many matches were found on the page.
+ int match_count_;
+
+ // The ordinal of the currently active match.
+ int active_match_ordinal_;
+
+ DISALLOW_COPY_AND_ASSIGN(FindBarView);
+};
+
+#endif // CHROME_BROWSER_VIEWS_FIND_BAR_VIEW_H_