[gtk] Add fade-commit to instant suggestion for predictive instant.

chrome/browser/autocomplete/autocomplete_edit_view_gtk.h

 // 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_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
 #include <algorithm>
 #include <string>
 
+#include "app/animation_delegate.h"
 #include "app/gtk_signal.h"
 #include "app/gtk_signal_registrar.h"
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "chrome/browser/autocomplete/autocomplete_edit_view.h"
 #include "chrome/browser/gtk/owned_widget_gtk.h"
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 #include "chrome/common/page_transition_types.h"
 #include "gfx/rect.h"
 #include "webkit/glue/window_open_disposition.h"
 
 class AutocompleteEditController;
 class AutocompleteEditModel;
 class AutocompletePopupView;
+class MultiAnimation;
 class Profile;
 class TabContents;
 
 namespace gfx{
 class Font;
 }
 
 namespace views {
 class View;
 }
 
 #if !defined(TOOLKIT_VIEWS)
 class GtkThemeProvider;
 #endif
 
 class AutocompleteEditViewGtk : public AutocompleteEditView,
-                                public NotificationObserver {
+                                public NotificationObserver,
+                                public AnimationDelegate {
  public:
   // Modeled like the Windows CHARRANGE.  Represent a pair of cursor position
   // offsets.  Since GtkTextIters are invalid after the buffer is changed, we
   // work in character offsets (not bytes).
   struct CharRange {
     CharRange() : cp_min(0), cp_max(0) { }
     CharRange(int n, int x) : cp_min(n), cp_max(x) { }
 
     // Returns the start/end of the selection.
     int selection_min() const { return std::min(cp_min, cp_max); }
@@ skipping 81 matching lines @@
   virtual void OnBeforePossibleChange();
   virtual bool OnAfterPossibleChange();
   virtual gfx::NativeView GetNativeView() const;
   virtual CommandUpdater* GetCommandUpdater();
 
   // Overridden from NotificationObserver:
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
+  // Overridden from AnimationDelegate.
+  virtual void AnimationEnded(const Animation* animation);
+  virtual void AnimationProgressed(const Animation* animation);
+  virtual void AnimationCanceled(const Animation* animation);
+
+  // Sets the colors of the text view according to the theme.
   void SetBaseColor();
+  // Sets the colors of the instant suggestion view according to the theme and
+  // the animation state.
+  void UpdateInstantViewColors();
 
   void SetInstantSuggestion(const std::string& suggestion);
   bool CommitInstantSuggestion();
 
   // Used by LocationBarViewGtk to inform AutocompleteEditViewGtk if the tab to
   // search should be enabled or not. See the comment of |enable_tab_to_search_|
   // for details.
   void set_enable_tab_to_search(bool enable) {
     enable_tab_to_search_ = enable;
   }
@@ skipping 182 matching lines @@
   GtkTextTag* secure_scheme_tag_;
   GtkTextTag* security_error_scheme_tag_;
   GtkTextTag* normal_text_tag_;
 
   // Objects for the instant suggestion text view.
   GtkTextTag* instant_anchor_tag_;
 
   // A widget for displaying instant suggestion text. It'll be attached to a
   // child anchor in the |text_buffer_| object.
   GtkWidget* instant_view_;
+  // Animation from instant suggest (faded text) to autocomplete (selected
+  // text).
+  scoped_ptr<MultiAnimation> instant_animation_;
 
   // A mark to split the content and the instant anchor. Wherever the end
   // iterator of the text buffer is required, the iterator to this mark should
   // be used.
   GtkTextMark* instant_mark_;
 
   scoped_ptr<AutocompleteEditModel> model_;
   scoped_ptr<AutocompletePopupView> popup_view_;
   AutocompleteEditController* controller_;
   ToolbarModel* toolbar_model_;
@@ skipping 116 matching lines @@
   // The view that is going to be focused next. Only valid while handling
   // "focus-out" events.
   GtkWidget* going_to_focus_;
 
   GtkSignalRegistrar signals_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewGtk);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_GTK_H_