Animate showing / hiding the location bar for bookmark apps.

chrome/browser/ui/views/location_bar/location_bar_view.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/location_bar/location_bar_view.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/i18n/rtl.h"
@@ skipping 285 matching lines @@
   translate_icon_view_->SetVisible(false);
   AddChildView(translate_icon_view_);
 
   star_view_ = new StarView(command_updater(), browser_);
   star_view_->SetVisible(false);
   AddChildView(star_view_);
 
   // Initialize the location entry. We do this to avoid a black flash which is
   // visible when the location entry has just been initialized.
   Update(NULL);
+
+  size_animation_.reset(new gfx::SlideAnimation(this));
+  size_animation_->Reset(1);
 }
 
 bool LocationBarView::IsInitialized() const {
   return omnibox_view_ != NULL;
 }
 
 SkColor LocationBarView::GetColor(ToolbarModel::SecurityLevel security_level,
                                   ColorKind kind) const {
   const ui::NativeTheme* native_theme = GetNativeTheme();
   switch (kind) {
@@ skipping 203 matching lines @@
 void LocationBarView::GetAccessibleState(ui::AXViewState* state) {
   state->role = ui::AX_ROLE_GROUP;
 }
 
 gfx::Size LocationBarView::GetPreferredSize() const {
   // Compute minimum height.
   gfx::Size min_size(border_painter_->GetMinimumSize());
   if (!IsInitialized())
     return min_size;
 
+  min_size.set_height(min_size.height() * size_animation_->GetCurrentValue());
+
   // Compute width of omnibox-leading content.
   const int horizontal_edge_thickness = GetHorizontalEdgeThickness();
   int leading_width = horizontal_edge_thickness;
   if (ShouldShowKeywordBubble()) {
     // The selected keyword view can collapse completely.
   } else if (ShouldShowEVBubble()) {
     leading_width += kBubblePadding +
         ev_bubble_view_->GetMinimumSizeForLabelText(
             GetToolbarModel()->GetEVCertName()).width();
   } else {
@@ skipping 518 matching lines @@
 void LocationBarView::UpdateBookmarkStarVisibility() {
   if (star_view_) {
     star_view_->SetVisible(
         browser_defaults::bookmarks_enabled && !is_popup_mode_ &&
         !GetToolbarModel()->input_in_progress() &&
         edit_bookmarks_enabled_.GetValue() &&
         !IsBookmarkStarHiddenByExtension());
   }
 }
 
+void LocationBarView::UpdateLocationBarState(bool visible, bool animate) {
+  if (!animate) {
+    size_animation_->Reset(visible ? 1 : 0);
+    return;
+  }
+
+  if (visible)
+    size_animation_->Show();
+  else
+    size_animation_->Hide();
+}
+
 bool LocationBarView::ShowPageActionPopup(
     const extensions::Extension* extension,
     bool grant_tab_permissions) {
   ExtensionAction* extension_action =
       extensions::ExtensionActionManager::Get(profile())->GetPageAction(
           *extension);
   CHECK(extension_action);
   PageActionWithBadgeView* page_action_view =
       GetPageActionView(extension_action);
   if (!page_action_view) {
@@ skipping 210 matching lines @@
       ui::DragDropTypes::DRAG_NONE;
 }
 
 bool LocationBarView::CanStartDragForView(View* sender,
                                           const gfx::Point& press_pt,
                                           const gfx::Point& p) {
   return true;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+// LocationBarView, private gfx::AnimationDelegate implementation:
+void LocationBarView::AnimationProgressed(const gfx::Animation* animation) {
+  browser_->window()->ToolbarSizeChanged(true);
+}
+
+void LocationBarView::AnimationEnded(const gfx::Animation* animation) {
+  browser_->window()->ToolbarSizeChanged(false);
+}
+
+////////////////////////////////////////////////////////////////////////////////
 // LocationBarView, private OmniboxEditController implementation:
 
 void LocationBarView::OnChanged() {
   int icon_id = omnibox_view_->GetIcon();
   location_icon_view_->SetImage(GetThemeProvider()->GetImageSkiaNamed(icon_id));
   location_icon_view_->ShowTooltip(!GetOmniboxView()->IsEditingOrEmpty());
 
   Layout();
   SchedulePaint();
 }
@@ skipping 38 matching lines @@
 
 void LocationBarView::ModelChanged(const SearchModel::State& old_state,
                                    const SearchModel::State& new_state) {
   const bool visible = !GetToolbarModel()->input_in_progress() &&
       new_state.voice_search_supported;
   if (mic_search_view_->visible() != visible) {
     mic_search_view_->SetVisible(visible);
     Layout();
   }
 }