Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 165 insertions, 0 deletions

diff --git a/chrome/browser/find_in_page_view.h b/chrome/browser/find_in_page_view.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CHROME_BROWSER_FIND_IN_PAGE_VIEW_H__
+#define CHROME_BROWSER_FIND_IN_PAGE_VIEW_H__
+
+#include "base/gfx/size.h"
+#include "chrome/views/button.h"
+#include "chrome/views/text_field.h"
+
+class FindInPageController;
+
+namespace ChromeViews {
+  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 FindInPageController.
+//
+////////////////////////////////////////////////////////////////////////////////
+class FindInPageView : public ChromeViews::View,
+                       public ChromeViews::BaseButton::ButtonListener,
+                       public ChromeViews::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').
+  };
+
+  FindInPageView(FindInPageController* controller);
+  virtual ~FindInPageView();
+
+  // 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 ChromeViews::View:
+  virtual void Paint(ChromeCanvas* canvas);
+  virtual void Layout();
+  virtual void DidChangeBounds(const CRect& old_bounds,
+                               const CRect& new_bounds);
+  virtual void GetPreferredSize(CSize* out);
+  virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
+
+  // Overridden from ChromeViews::ButtonListener::ButtonPressed:
+  virtual void ButtonPressed(ChromeViews::BaseButton* sender);
+
+  // Overridden from ChromeViews::TextField::Controller:
+  virtual void ContentsChanged(ChromeViews::TextField* sender,
+                               const std::wstring& new_contents);
+  virtual void HandleKeystroke(ChromeViews::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 ChromeViews::View {
+   public:
+    explicit FocusForwarderView(
+        ChromeViews::TextField* view_to_focus_on_mousedown)
+      : view_to_focus_on_mousedown_(view_to_focus_on_mousedown) {}
+
+  private:
+    virtual bool OnMousePressed(const ChromeViews::MouseEvent& event);
+
+    ChromeViews::TextField* view_to_focus_on_mousedown_;
+
+    DISALLOW_EVIL_CONSTRUCTORS(FocusForwarderView);
+  };
+
+  // The controller that maintains the selected model, and performs actions
+  // such as handling selected items.
+  FindInPageController* controller_;
+
+  // The controls in the window.
+  ChromeViews::TextField* find_text_;
+  ChromeViews::Label* match_count_text_;
+  FocusForwarderView* focus_forwarder_view_;
+  ChromeViews::Button* find_previous_button_;
+  ChromeViews::Button* find_next_button_;
+  ChromeViews::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_EVIL_CONSTRUCTORS(FindInPageView);
+};
+
+#endif  // CHROME_BROWSER_FIND_IN_PAGE_VIEW_H__