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-rw-r--r--chrome/browser/find_bar_controller.h89
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diff --git a/chrome/browser/find_bar_controller.h b/chrome/browser/find_bar_controller.h
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-// Copyright (c) 2010 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_FIND_BAR_CONTROLLER_H_
-#define CHROME_BROWSER_FIND_BAR_CONTROLLER_H_
-#pragma once
-
-#include "base/basictypes.h"
-#include "base/scoped_ptr.h"
-#include "chrome/common/notification_observer.h"
-#include "chrome/common/notification_registrar.h"
-
-namespace gfx {
-class Rect;
-}
-
-class FindBar;
-class TabContents;
-
-class FindBarController : public NotificationObserver {
- public:
- // An enum listing the possible actions to take on a find-in-page selection.
- enum SelectionAction {
- kKeepSelection, // Translate the find selection into a normal selection.
- kClearSelection, // Clear the find selection.
- kActivateSelection // Focus and click the selected node (for links).
- };
-
- // FindBar takes ownership of |find_bar_view|.
- explicit FindBarController(FindBar* find_bar);
-
- virtual ~FindBarController();
-
- // Shows the find bar. Any previous search string will again be visible.
- void Show();
-
- // Ends the current session.
- void EndFindSession(SelectionAction action);
-
- // Accessor for the attached TabContents.
- TabContents* tab_contents() const { return tab_contents_; }
-
- // Changes the TabContents that this FindBar is attached to. This occurs when
- // the user switches tabs in the Browser window. |contents| can be NULL.
- void ChangeTabContents(TabContents* contents);
-
- // Overridden from NotificationObserver:
- virtual void Observe(NotificationType type,
- const NotificationSource& source,
- const NotificationDetails& details);
-
- FindBar* find_bar() const { return find_bar_.get(); }
-
- // Reposition |view_location| such that it avoids |avoid_overlapping_rect|,
- // and return the new location.
- static gfx::Rect GetLocationForFindbarView(
- gfx::Rect view_location,
- const gfx::Rect& dialog_bounds,
- const gfx::Rect& avoid_overlapping_rect);
-
- private:
- // Sents an update to the find bar with the tab contents' current result. The
- // tab_contents_ must be non-NULL before this call. Theis handles
- // de-flickering in addition to just calling the update function.
- void UpdateFindBarForCurrentResult();
-
- // For Windows and Linux this function sets the prepopulate text for the
- // Find text box. The propopulate value is the last value the user searched
- // for in the current tab, or (if blank) the last value searched for in any
- // tab. Mac has a global value for search, so this function does nothing on
- // Mac.
- void MaybeSetPrepopulateText();
-
- NotificationRegistrar registrar_;
-
- scoped_ptr<FindBar> find_bar_;
-
- // The TabContents we are currently associated with. Can be NULL.
- TabContents* tab_contents_;
-
- // The last match count we reported to the user. This is used by
- // UpdateFindBarForCurrentResult to avoid flickering.
- int last_reported_matchcount_;
-
- DISALLOW_COPY_AND_ASSIGN(FindBarController);
-};
-
-#endif // CHROME_BROWSER_FIND_BAR_CONTROLLER_H_