Creates a dummy view to occupy the logo area of athena home card.

athena/home/app_list_view_delegate.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/app_list_view_delegate.h"
 
 #include <string>
 
 #include "athena/home/public/app_model_builder.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/app_list/app_list_model.h"
 #include "ui/app_list/search_box_model.h"
 #include "ui/app_list/search_provider.h"
 #include "ui/app_list/search_result.h"
 #include "ui/app_list/speech_ui_model.h"
 #include "ui/gfx/image/image_skia.h"
+#include "ui/views/background.h"
+#include "ui/views/view.h"
 
 namespace athena {
 
+namespace {
+
+// A view to draw the logo area of app-list centered view.
+// TODO(mukai): replace this by the actual start page webview.
+class DummyLogoView : public views::View {
+ public:
+  explicit DummyLogoView(const gfx::Size& size)
+      : size_(size) {
+    set_background(views::Background::CreateSolidBackground(
+        SK_ColorLTGRAY));
+  }
+
+ private:
+  virtual gfx::Size GetPreferredSize() const OVERRIDE {
+    return size_;
+  }
+
+  const gfx::Size size_;
+
+  DISALLOW_COPY_AND_ASSIGN(DummyLogoView);
+};
+
+}
+
 AppListViewDelegate::AppListViewDelegate(AppModelBuilder* model_builder)
     : model_(new app_list::AppListModel),
       speech_ui_(new app_list::SpeechUIModel(
           app_list::SPEECH_RECOGNITION_OFF)) {
   model_builder->PopulateApps(model_.get());
   // TODO(mukai): get the text from the resources.
   model_->search_box()->SetHintText(base::ASCIIToUTF16("Search"));
 }
 
 AppListViewDelegate::~AppListViewDelegate() {
@@ skipping 113 matching lines @@
   // Nothing needs to be done.
 }
 
 void AppListViewDelegate::ShowForProfileByPath(
     const base::FilePath& profile_path) {
   // Nothing needs to be done.
 }
 
 views::View* AppListViewDelegate::CreateStartPageWebView(
     const gfx::Size& size) {
-  return NULL;
+  return new DummyLogoView(size);
 }
 
 views::View* AppListViewDelegate::CreateCustomPageWebView(
     const gfx::Size& size) {
   return NULL;
 }
 
 bool AppListViewDelegate::IsSpeechRecognitionEnabled() {
   return false;
 }
 
 const app_list::AppListViewDelegate::Users&
 AppListViewDelegate::GetUsers() const {
   return users_;
 }
 
 bool AppListViewDelegate::ShouldCenterWindow() const {
   return true;
 }
 
 }  // namespace athena