[OriginChip] Add animations for the hiding and showing of the chip.

chrome/browser/ui/views/omnibox/omnibox_view_views.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
@@ skipping 22 matching lines @@
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/base/ime/text_input_type.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/simple_menu_model.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/events/event.h"
+#include "ui/gfx/animation/slide_animation.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/selection_model.h"
 #include "ui/views/border.h"
 #include "ui/views/button_drag_utils.h"
 #include "ui/views/controls/textfield/textfield.h"
 #include "ui/views/ime/input_method.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/widget.h"
@@ skipping 119 matching lines @@
     SetReadOnly(true);
 
   // Initialize the popup view using the same font.
   popup_view_.reset(OmniboxPopupContentsView::Create(
       GetFontList(), this, model(), location_bar_view_));
 
 #if defined(OS_CHROMEOS)
   chromeos::input_method::InputMethodManager::Get()->
       AddCandidateWindowObserver(this);
 #endif
+
+  fade_in_animation_.reset(new gfx::SlideAnimation(this));
+  fade_in_animation_->SetTweenType(gfx::Tween::LINEAR);
+  fade_in_animation_->SetSlideDuration(300);
+}
+
+void OmniboxViewViews::FadeIn() {
+  fade_in_animation_->Show();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // OmniboxViewViews, views::Textfield implementation:
 
 const char* OmniboxViewViews::GetClassName() const {
   return kViewClassName;
 }
 
+void OmniboxViewViews::OnPaint(gfx::Canvas* canvas) {
+  if (fade_in_animation_->is_animating()) {
+    canvas->SaveLayerAlpha(static_cast<uint8>(
+        fade_in_animation_->CurrentValueBetween(0, 255)));
+    views::Textfield::OnPaint(canvas);
+    canvas->Restore();
+  } else {
+    views::Textfield::OnPaint(canvas);
+  }
+}
+
 bool OmniboxViewViews::OnMousePressed(const ui::MouseEvent& event) {
   select_all_on_mouse_release_ =
       (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) &&
       (!HasFocus() || (model()->focus_state() == OMNIBOX_FOCUS_INVISIBLE));
   if (select_all_on_mouse_release_) {
     // Restore caret visibility whenever the user clicks in the omnibox in a way
     // that would give it focus.  We must handle this case separately here
     // because if the omnibox currently has invisible focus, the mouse event
     // won't trigger either SetFocus() or OmniboxEditModel::OnSetFocus().
     model()->SetCaretVisibility(true);
@@ skipping 541 matching lines @@
           IDS_PASTE_AND_SEARCH : IDS_PASTE_AND_GO);
 }
 
 void OmniboxViewViews::ExecuteCommand(int command_id, int event_flags) {
   switch (command_id) {
     // These commands don't invoke the popup via OnBefore/AfterPossibleChange().
     case IDS_PASTE_AND_GO:
       model()->PasteAndGo(GetClipboardText());
       break;
     case IDS_SHOW_URL:
-      ShowURL();
+      controller()->ShowURL();
       break;
     case IDC_EDIT_SEARCH_ENGINES:
       command_updater()->ExecuteCommand(command_id);
       break;
 
     default:
       OnBeforePossibleChange();
       if (command_id == IDS_APP_PASTE)
         OnPaste();
       else if (Textfield::IsCommandIdEnabled(command_id))
         Textfield::ExecuteCommand(command_id, event_flags);
       else
         command_updater()->ExecuteCommand(command_id);
       OnAfterPossibleChange();
       break;
   }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+// OmniboxViewViews, gfx::AnimationDelegate implementation:
+
+void OmniboxViewViews::AnimationProgressed(const gfx::Animation* animation) {
+  SchedulePaint();
+}
+
+void OmniboxViewViews::AnimationEnded(const gfx::Animation* animation) {
+  fade_in_animation_->Reset();
+}
+
+////////////////////////////////////////////////////////////////////////////////
 // OmniboxViewViews, views::TextfieldController implementation:
 
 void OmniboxViewViews::ContentsChanged(views::Textfield* sender,
                                        const base::string16& new_contents) {
 }
 
 bool OmniboxViewViews::HandleKeyEvent(views::Textfield* textfield,
                                       const ui::KeyEvent& event) {
   delete_at_end_pressed_ = false;
 
@@ skipping 219 matching lines @@
   const base::string16 text(GetClipboardText());
   if (!text.empty()) {
     // Record this paste, so we can do different behavior.
     model()->OnPaste();
     // Force a Paste operation to trigger the text_changed code in
     // OnAfterPossibleChange(), even if identical contents are pasted.
     text_before_change_.clear();
     InsertOrReplaceText(text);
   }
 }