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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.
//
// This is an interface for the platform specific FindBar. It is responsible
// for drawing the FindBar bar on the platform and is owned by the
// FindBarController.
#ifndef CHROME_BROWSER_FIND_BAR_H_
#define CHROME_BROWSER_FIND_BAR_H_
#include "base/gfx/rect.h"
#include "base/string16.h"
class FindBarController;
class FindBarTesting;
class FindNotificationDetails;
class TabContents;
class FindBar {
public:
virtual ~FindBar() { }
// Accessor and setter for the FindBarController.
virtual FindBarController* GetFindBarController() const = 0;
virtual void SetFindBarController(
FindBarController* find_bar_controller) = 0;
// Shows the find bar. Any previous search string will again be visible.
virtual void Show() = 0;
// Hide the find bar. If |animate| is true, we try to slide the find bar
// away.
virtual void Hide(bool animate) = 0;
// Restore the selected text in the find box and focus it.
virtual void SetFocusAndSelection() = 0;
// Clear the text in the find box.
virtual void ClearResults(const FindNotificationDetails& results) = 0;
// Stop the animation.
virtual void StopAnimation() = 0;
// If the find bar obscures the search results we need to move the window. To
// do that we need to know what is selected on the page. We simply calculate
// where it would be if we place it on the left of the selection and if it
// doesn't fit on the screen we try the right side. The parameter
// |selection_rect| is expected to have coordinates relative to the top of
// the web page area. If |no_redraw| is true, the window will be moved without
// redrawing siblings.
virtual void MoveWindowIfNecessary(const gfx::Rect& selection_rect,
bool no_redraw) = 0;
// Set the text in the find box.
virtual void SetFindText(const string16& find_text) = 0;
// Updates the FindBar with the find result details contained within the
// specified |result|.
virtual void UpdateUIForFindResult(const FindNotificationDetails& result,
const string16& find_text) = 0;
// No match was found; play an audible alert.
virtual void AudibleAlert() = 0;
// Returns the rectangle representing where to position the find bar. It uses
// GetDialogBounds and positions itself within that, either to the left (if an
// InfoBar is present) or to the right (no InfoBar). If
// |avoid_overlapping_rect| is specified, the return value will be a rectangle
// located immediately to the left of |avoid_overlapping_rect|, as long as
// there is enough room for the dialog to draw within the bounds. If not, the
// dialog position returned will overlap |avoid_overlapping_rect|.
// Note: |avoid_overlapping_rect| is expected to use coordinates relative to
// the top of the page area, (it will be converted to coordinates relative to
// the top of the browser window, when comparing against the dialog
// coordinates). The returned value is relative to the browser window.
virtual gfx::Rect GetDialogPosition(gfx::Rect avoid_overlapping_rect) = 0;
// Moves the dialog window to the provided location, moves it to top in the
// z-order (HWND_TOP, not HWND_TOPMOST) and shows the window (if hidden).
// It then calls UpdateWindowEdges to make sure we don't overwrite the Chrome
// window border. If |no_redraw| is set, the window is getting moved but not
// sized, and should not be redrawn to reduce update flicker.
virtual void SetDialogPosition(const gfx::Rect& new_pos, bool no_redraw) = 0;
virtual bool IsFindBarVisible() = 0;
// Upon dismissing the window, restore focus to the last focused view which is
// not FindBarView or any of its children.
virtual void RestoreSavedFocus() = 0;
// Returns a pointer to the testing interface to the FindBar, or NULL
// if there is none.
virtual FindBarTesting* GetFindBarTesting() = 0;
};
class FindBarTesting {
public:
virtual ~FindBarTesting() { }
// Computes the location of the find bar and whether it is fully visible in
// its parent window. The return value indicates if the window is visible at
// all. Both out arguments are required.
//
// This is used for UI tests of the find bar. If the find bar is not currently
// shown (return value of false), the out params will be {(0, 0), false}.
virtual bool GetFindBarWindowInfo(gfx::Point* position,
bool* fully_visible) = 0;
};
#endif // CHROME_BROWSER_FIND_BAR_H_
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