Draggable peeking/fullscreen launcher with transparent background.

ui/app_list/views/start_page_view.cc

Index: ui/app_list/views/start_page_view.cc
diff --git a/ui/app_list/views/start_page_view.cc b/ui/app_list/views/start_page_view.cc
index f7a48f5c900e6a2109be35841165c41bc0c2ed68..79af653e593affdbd715da98f11e3e2836efd5f3 100644
--- a/ui/app_list/views/start_page_view.cc
+++ b/ui/app_list/views/start_page_view.cc
@@ -13,8 +13,10 @@
 #include "base/strings/utf_string_conversions.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/app_list/app_list_constants.h"
+#include "ui/app_list/app_list_features.h"
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_model.h"
+#include "ui/app_list/app_list_switches.h"
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/app_list/search_result.h"
 #include "ui/app_list/views/all_apps_tile_item_view.h"
@@ -41,8 +43,8 @@ namespace {
 // Layout constants.
 constexpr int kInstantContainerSpacing = 24;
 constexpr int kSearchBoxAndTilesSpacing = 35;
-constexpr int kStartPageSearchBoxWidth = 480;
-
+int kStartPageSearchBoxWidth = 480;

[vadimt, 2017/05/22 23:36:58]

constexpr?

[newcomer, 2017/05/25 23:10:53]

Done.

+int kStartPageSearchBoxWidthFullscreen = 544;
 // WebView constants.
 constexpr int kWebViewWidth = 700;
 constexpr int kWebViewHeight = 224;
@@ -60,7 +62,10 @@ constexpr int kLauncherPageBackgroundWidth = 400;
 class SearchBoxSpacerView : public views::View {
  public:
   explicit SearchBoxSpacerView(const gfx::Size& search_box_size)
-      : size_(kStartPageSearchBoxWidth, search_box_size.height()) {}
+      : size_(features::IsFullscreenAppListEnabled()
+                  ? kStartPageSearchBoxWidthFullscreen
+                  : kStartPageSearchBoxWidth,
+              search_box_size.height()) {}
 
   ~SearchBoxSpacerView() override {}
 
@@ -156,7 +161,10 @@ StartPageView::StartPageTilesContainer::StartPageTilesContainer(
       views::Background::CreateSolidBackground(kLabelBackgroundColor));
   all_apps_button_->SetHoverStyle(TileItemView::HOVER_STYLE_ANIMATE_SHADOW);
   all_apps_button_->SetParentBackgroundColor(kLabelBackgroundColor);
-  CreateAppsGrid(kNumStartPageTiles);
+  if (features::IsFullscreenAppListEnabled())

[vadimt, 2017/05/22 23:36:58]

Move condition into param calculation as a ternary expression.

[newcomer, 2017/05/25 23:10:53]

Done.

+    CreateAppsGrid(fullscreen_constants::kNumStartPageTiles);
+  else
+    CreateAppsGrid(kNumStartPageTiles);
 }
 
 StartPageView::StartPageTilesContainer::~StartPageTilesContainer() {
@@ -250,6 +258,9 @@ void StartPageView::StartPageTilesContainer::CreateAppsGrid(int apps_num) {
   int i = 0;
   search_result_tile_views_.reserve(apps_num);
   for (; i < apps_num; ++i) {
+    if (features::IsFullscreenAppListEnabled() && i == 5) {

[vadimt, 2017/05/22 23:36:58]

Const for 5.

[xiyuan, 2017/05/24 18:28:18]

Make |apps_num| 5 somehow (either here or at call site CreateAppsGrid) of when
fullscreen feature is enabled.

[newcomer, 2017/05/25 23:10:53]

Done! I think I left this in by accident while experimenting.

[newcomer, 2017/05/25 23:10:53]

Done.

+      break;
+    }
     SearchResultTileItemView* tile_item =
         new SearchResultTileItemView(this, view_delegate_);
     if (i % kNumStartPageTilesCols == 0)
@@ -261,10 +272,19 @@ void StartPageView::StartPageTilesContainer::CreateAppsGrid(int apps_num) {
     search_result_tile_views_.emplace_back(tile_item);
   }
 
-  // Also add a special "all apps" button to the end of the container.
   all_apps_button_->UpdateIcon();
-  if (i % kNumStartPageTilesCols == 0)
+  if (features::IsFullscreenAppListEnabled()) {
+    // Also add a special "all apps" button to the middle of the next row of the
+    // container.
     tiles_layout_manager->StartRow(0, 0);
+    tiles_layout_manager->SkipColumns(3);

[vadimt, 2017/05/22 23:36:58]

... and 3

[newcomer, 2017/05/25 23:10:53]

Done.

+  } else {
+    // Also add a special "all apps" button to the end of the next row of the
+    // container.
+    if (i % kNumStartPageTilesCols == 0)
+      tiles_layout_manager->StartRow(0, 0);
+  }
+
   tiles_layout_manager->AddView(all_apps_button_);
   AddChildView(all_apps_button_);
 }
@@ -290,7 +310,6 @@ StartPageView::StartPageView(AppListMainView* app_list_main_view,
 
   // The view containing the start page tiles.
   AddChildView(tiles_container_);
-
   AddChildView(custom_launcher_page_background_);
 
   tiles_container_->SetResults(view_delegate_->GetModel()->results());
@@ -310,11 +329,16 @@ void StartPageView::InitInstantContainer() {
       views::BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER);
   instant_container_->SetLayoutManager(instant_layout_manager);
 
-  views::View* web_view = view_delegate_->CreateStartPageWebView(
-      gfx::Size(kWebViewWidth, kWebViewHeight));
-  if (web_view) {
-    web_view->SetFocusBehavior(FocusBehavior::NEVER);
-    instant_container_->AddChildView(web_view);
+  // Create the view for the Google Doodle if the fullscreen launcher is not
+  // enabled.
+  if (!features::IsFullscreenAppListEnabled()) {
+    views::View* web_view = view_delegate_->CreateStartPageWebView(
+        gfx::Size(kWebViewWidth, kWebViewHeight));
+
+    if (web_view) {
+      web_view->SetFocusBehavior(FocusBehavior::NEVER);
+      instant_container_->AddChildView(web_view);
+    }
   }
 
   instant_container_->AddChildView(search_box_spacer_view_);