Exports gesture manager to a separate file and adds its unittests.

athena/home/athena_start_page_view.cc

 // Copyright 2014 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 "athena/home/athena_start_page_view.h"
 
+#include "athena/home/home_card_constants.h"
 #include "base/bind.h"
 #include "base/strings/string_util.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_item_list.h"
 #include "ui/app_list/app_list_model.h"
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/app_list/search_box_model.h"
 #include "ui/app_list/views/search_box_view.h"
@@ skipping 18 matching lines @@
 
 // Copied from ui/app_list/views/start_page_view.cc
 const int kInstantContainerSpacing = 20;
 const int kWebViewWidth = 500;
 const int kWebViewHeight = 105;
 const int kSearchBoxBorderWidth = 1;
 const int kSearchBoxCornerRadius = 2;
 const int kSearchBoxWidth = 490;
 const int kSearchBoxHeight = 40;
 
-// The preferred height for VISIBLE_BOTTOM state.
-const int kPreferredHeightBottom = 100;
-
 class PlaceHolderButton : public views::ImageButton,
                           public views::ButtonListener {
  public:
   PlaceHolderButton()
       : ImageButton(this) {
     gfx::Canvas canvas(gfx::Size(kIconSize, kIconSize), 1.0f, true);
     SkPaint paint;
     paint.setStyle(SkPaint::kFill_Style);
     paint.setColor(SkColorSetRGB(86, 119, 252));
     paint.setFlags(SkPaint::kAntiAlias_Flag);
@@ skipping 149 matching lines @@
 
 void AthenaStartPageView::RequestFocusOnSearchBox() {
   search_box_view_->search_box()->RequestFocus();
 }
 
 void AthenaStartPageView::LayoutSearchResults(bool should_show_search_results) {
   if (should_show_search_results ==
       search_results_view_->layer()->GetTargetVisibility()) {
     return;
   }
-  if (GetContentsBounds().height() <= kPreferredHeightBottom) {
+  if (GetContentsBounds().height() <= kHomeCardHeight) {
     search_results_view_->SetVisible(false);
     Layout();
     return;
   }
 
   gfx::Rect search_box_bounds = search_box_container_->bounds();
   if (!search_results_view_->visible()) {
     search_results_view_->SetVisible(true);
     search_results_view_->SetBounds(
         search_box_bounds.x(), search_box_bounds.bottom(),
@@ skipping 46 matching lines @@
 void AthenaStartPageView::OnSearchResultLayoutAnimationCompleted(
     bool should_show_search_results) {
   logo_->SetVisible(!should_show_search_results);
   search_results_view_->SetVisible(should_show_search_results);
 }
 
 void AthenaStartPageView::Layout() {
   gfx::Rect bounds = GetContentsBounds();
   search_results_view_->SetVisible(false);
 
-  if (bounds.height() <= kPreferredHeightBottom) {
+  if (bounds.height() <= kHomeCardHeight) {
     logo_->SetVisible(false);
     gfx::Rect icon_bounds(app_icon_container_->GetPreferredSize());
     icon_bounds.set_x(bounds.x() + kIconMargin);
     icon_bounds.set_y(bounds.x() + kIconMargin);
     app_icon_container_->SetBoundsRect(icon_bounds);
 
     gfx::Rect control_bounds(control_icon_container_->GetPreferredSize());
     control_bounds.set_x(
         bounds.right() - kIconMargin - control_bounds.width());
     control_bounds.set_y(bounds.y() + kIconMargin);
     control_icon_container_->SetBoundsRect(control_bounds);
 
     search_box_container_->SetBounds(
         icon_bounds.right(), bounds.y(),
-        control_bounds.x() - icon_bounds.right(), kPreferredHeightBottom);
+        control_bounds.x() - icon_bounds.right(), kHomeCardHeight);
 
     set_background(views::Background::CreateSolidBackground(
         255, 255, 255, 255 * 0.9));
   } else {
     // TODO(mukai): set the intermediate state.
     logo_->SetVisible(true);
     logo_->layer()->SetOpacity(1.0f);
     set_background(views::Background::CreateSolidBackground(SK_ColorWHITE));
     gfx::Rect logo_bounds(bounds.x() + bounds.width() / 2 - kWebViewWidth / 2,
                           bounds.y() + kTopMargin,
@@ skipping 33 matching lines @@
   base::TrimWhitespace(
       delegate_->GetModel()->search_box()->text(), base::TRIM_ALL, &query);
 
   if (!query.empty())
     search_results_view_->SetSelectedIndex(0);
 
   LayoutSearchResults(!query.empty());
 }
 
 }  // namespace athena