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Diffstat (limited to 'chrome/browser/views/find_bar_view.h')
-rw-r--r-- | chrome/browser/views/find_bar_view.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/chrome/browser/views/find_bar_view.h b/chrome/browser/views/find_bar_view.h new file mode 100644 index 0000000..146f96b --- /dev/null +++ b/chrome/browser/views/find_bar_view.h @@ -0,0 +1,138 @@ +// 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_ |