Remove some platform specific stuff from views.

ui/app_list/views/app_list_main_view.cc

Index: ui/app_list/views/app_list_main_view.cc
diff --git a/ui/app_list/views/app_list_main_view.cc b/ui/app_list/views/app_list_main_view.cc
deleted file mode 100644
index b7e08b1c7f98ad601e3e429011e1e9b1c03450bc..0000000000000000000000000000000000000000
--- a/ui/app_list/views/app_list_main_view.cc
+++ /dev/null
@@ -1,349 +0,0 @@
-// Copyright 2013 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 "ui/app_list/views/app_list_main_view.h"
-
-#include <algorithm>
-
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/files/file_path.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/string_util.h"
-#include "ui/app_list/app_list_constants.h"
-#include "ui/app_list/app_list_folder_item.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/pagination_model.h"
-#include "ui/app_list/search_box_model.h"
-#include "ui/app_list/views/app_list_folder_view.h"
-#include "ui/app_list/views/app_list_item_view.h"
-#include "ui/app_list/views/apps_container_view.h"
-#include "ui/app_list/views/apps_grid_view.h"
-#include "ui/app_list/views/contents_switcher_view.h"
-#include "ui/app_list/views/contents_view.h"
-#include "ui/app_list/views/search_box_view.h"
-#include "ui/views/border.h"
-#include "ui/views/controls/textfield/textfield.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/layout/fill_layout.h"
-#include "ui/views/widget/widget.h"
-
-namespace app_list {
-
-namespace {
-
-// Border padding space around the bubble contents.
-const int kPadding = 1;
-
-// The maximum allowed time to wait for icon loading in milliseconds.
-const int kMaxIconLoadingWaitTimeInMs = 50;
-
-// A view that holds another view and takes its preferred size. This is used for
-// wrapping the search box view so it still gets laid out while hidden. This is
-// a separate class so it can notify the main view on search box visibility
-// change.
-class SearchBoxContainerView : public views::View {
- public:
-  SearchBoxContainerView(AppListMainView* host, SearchBoxView* search_box)
-      : host_(host), search_box_(search_box) {
-    SetLayoutManager(new views::FillLayout());
-    AddChildView(search_box);
-  }
-  virtual ~SearchBoxContainerView() {}
-
- private:
-  // Overridden from views::View:
-  virtual void ChildVisibilityChanged(views::View* child) override {
-    DCHECK_EQ(search_box_, child);
-    host_->NotifySearchBoxVisibilityChanged();
-  }
-
-  AppListMainView* host_;
-  SearchBoxView* search_box_;
-
-  DISALLOW_COPY_AND_ASSIGN(SearchBoxContainerView);
-};
-
-}  // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// AppListMainView::IconLoader
-
-class AppListMainView::IconLoader : public AppListItemObserver {
- public:
-  IconLoader(AppListMainView* owner,
-             AppListItem* item,
-             float scale)
-      : owner_(owner),
-        item_(item) {
-    item_->AddObserver(this);
-
-    // Triggers icon loading for given |scale_factor|.
-    item_->icon().GetRepresentation(scale);
-  }
-
-  virtual ~IconLoader() {
-    item_->RemoveObserver(this);
-  }
-
- private:
-  // AppListItemObserver overrides:
-  virtual void ItemIconChanged() override {
-    owner_->OnItemIconLoaded(this);
-    // Note that IconLoader is released here.
-  }
-
-  AppListMainView* owner_;
-  AppListItem* item_;
-
-  DISALLOW_COPY_AND_ASSIGN(IconLoader);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// AppListMainView:
-
-AppListMainView::AppListMainView(AppListViewDelegate* delegate,
-                                 int initial_apps_page,
-                                 gfx::NativeView parent)
-    : delegate_(delegate),
-      model_(delegate->GetModel()),
-      search_box_view_(NULL),
-      contents_view_(NULL),
-      contents_switcher_view_(NULL),
-      weak_ptr_factory_(this) {
-  SetBorder(
-      views::Border::CreateEmptyBorder(kPadding, kPadding, kPadding, kPadding));
-  SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 0));
-
-  search_box_view_ = new SearchBoxView(this, delegate);
-  views::View* container = new SearchBoxContainerView(this, search_box_view_);
-  if (switches::IsExperimentalAppListEnabled()) {
-    container->SetBorder(
-        views::Border::CreateEmptyBorder(kExperimentalWindowPadding,
-                                         kExperimentalWindowPadding,
-                                         0,
-                                         kExperimentalWindowPadding));
-  }
-  AddChildView(container);
-  AddContentsViews();
-
-  // Switch the apps grid view to the specified page.
-  app_list::PaginationModel* pagination_model = GetAppsPaginationModel();
-  if (pagination_model->is_valid_page(initial_apps_page))
-    pagination_model->SelectPage(initial_apps_page, false);
-
-  // Starts icon loading early.
-  PreloadIcons(parent);
-}
-
-void AppListMainView::AddContentsViews() {
-  contents_view_ = new ContentsView(this);
-  if (app_list::switches::IsExperimentalAppListEnabled()) {
-    contents_switcher_view_ = new ContentsSwitcherView(contents_view_);
-    contents_view_->SetContentsSwitcherView(contents_switcher_view_);
-  }
-  contents_view_->InitNamedPages(model_, delegate_);
-  AddChildView(contents_view_);
-  if (contents_switcher_view_)
-    AddChildView(contents_switcher_view_);
-
-  search_box_view_->set_contents_view(contents_view_);
-
-  contents_view_->SetPaintToLayer(true);
-  contents_view_->SetFillsBoundsOpaquely(false);
-  contents_view_->layer()->SetMasksToBounds(true);
-
-  delegate_->StartSearch();
-}
-
-AppListMainView::~AppListMainView() {
-  pending_icon_loaders_.clear();
-}
-
-void AppListMainView::ShowAppListWhenReady() {
-  if (pending_icon_loaders_.empty()) {
-    icon_loading_wait_timer_.Stop();
-    GetWidget()->Show();
-    return;
-  }
-
-  if (icon_loading_wait_timer_.IsRunning())
-    return;
-
-  icon_loading_wait_timer_.Start(
-      FROM_HERE,
-      base::TimeDelta::FromMilliseconds(kMaxIconLoadingWaitTimeInMs),
-      this, &AppListMainView::OnIconLoadingWaitTimer);
-}
-
-void AppListMainView::ResetForShow() {
-  if (switches::IsExperimentalAppListEnabled()) {
-    contents_view_->SetActivePage(contents_view_->GetPageIndexForNamedPage(
-        ContentsView::NAMED_PAGE_START));
-  }
-  contents_view_->apps_container_view()->ResetForShowApps();
-  // We clear the search when hiding so when app list appears it is not showing
-  // search results.
-  search_box_view_->ClearSearch();
-}
-
-void AppListMainView::Close() {
-  icon_loading_wait_timer_.Stop();
-  contents_view_->CancelDrag();
-}
-
-void AppListMainView::Prerender() {
-  contents_view_->Prerender();
-}
-
-void AppListMainView::ModelChanged() {
-  pending_icon_loaders_.clear();
-  model_ = delegate_->GetModel();
-  search_box_view_->ModelChanged();
-  delete contents_view_;
-  contents_view_ = NULL;
-  if (contents_switcher_view_) {
-    delete contents_switcher_view_;
-    contents_switcher_view_ = NULL;
-  }
-  AddContentsViews();
-  Layout();
-}
-
-void AppListMainView::UpdateSearchBoxVisibility() {
-  bool visible =
-      !contents_view_->IsNamedPageActive(ContentsView::NAMED_PAGE_START) ||
-      contents_view_->IsShowingSearchResults();
-  search_box_view_->SetVisible(visible);
-  if (visible && GetWidget() && GetWidget()->IsVisible())
-    search_box_view_->search_box()->RequestFocus();
-}
-
-void AppListMainView::OnStartPageSearchTextfieldChanged(
-    const base::string16& new_contents) {
-  search_box_view_->SetVisible(true);
-  search_box_view_->search_box()->SetText(new_contents);
-  search_box_view_->search_box()->RequestFocus();
-}
-
-void AppListMainView::SetDragAndDropHostOfCurrentAppList(
-    ApplicationDragAndDropHost* drag_and_drop_host) {
-  contents_view_->SetDragAndDropHostOfCurrentAppList(drag_and_drop_host);
-}
-
-bool AppListMainView::ShouldCenterWindow() const {
-  return delegate_->ShouldCenterWindow();
-}
-
-PaginationModel* AppListMainView::GetAppsPaginationModel() {
-  return contents_view_->apps_container_view()
-      ->apps_grid_view()
-      ->pagination_model();
-}
-
-void AppListMainView::PreloadIcons(gfx::NativeView parent) {
-  float scale_factor = 1.0f;
-  if (parent)
-    scale_factor = ui::GetScaleFactorForNativeView(parent);
-
-  // The PaginationModel could have -1 as the initial selected page and
-  // assumes first page (i.e. index 0) will be used in this case.
-  const int selected_page =
-      std::max(0, GetAppsPaginationModel()->selected_page());
-
-  const AppsGridView* const apps_grid_view =
-      contents_view_->apps_container_view()->apps_grid_view();
-  const int tiles_per_page =
-      apps_grid_view->cols() * apps_grid_view->rows_per_page();
-
-  const int start_model_index = selected_page * tiles_per_page;
-  const int end_model_index =
-      std::min(static_cast<int>(model_->top_level_item_list()->item_count()),
-               start_model_index + tiles_per_page);
-
-  pending_icon_loaders_.clear();
-  for (int i = start_model_index; i < end_model_index; ++i) {
-    AppListItem* item = model_->top_level_item_list()->item_at(i);
-    if (item->icon().HasRepresentation(scale_factor))
-      continue;
-
-    pending_icon_loaders_.push_back(new IconLoader(this, item, scale_factor));
-  }
-}
-
-void AppListMainView::OnIconLoadingWaitTimer() {
-  GetWidget()->Show();
-}
-
-void AppListMainView::OnItemIconLoaded(IconLoader* loader) {
-  ScopedVector<IconLoader>::iterator it = std::find(
-      pending_icon_loaders_.begin(), pending_icon_loaders_.end(), loader);
-  DCHECK(it != pending_icon_loaders_.end());
-  pending_icon_loaders_.erase(it);
-
-  if (pending_icon_loaders_.empty() && icon_loading_wait_timer_.IsRunning()) {
-    icon_loading_wait_timer_.Stop();
-    GetWidget()->Show();
-  }
-}
-
-void AppListMainView::NotifySearchBoxVisibilityChanged() {
-  // Repaint the AppListView's background which will repaint the background for
-  // the search box. This is needed because this view paints to a layer and
-  // won't propagate paints upward.
-  if (parent())
-    parent()->SchedulePaint();
-}
-
-void AppListMainView::ActivateApp(AppListItem* item, int event_flags) {
-  // TODO(jennyz): Activate the folder via AppListModel notification.
-  if (item->GetItemType() == AppListFolderItem::kItemType)
-    contents_view_->ShowFolderContent(static_cast<AppListFolderItem*>(item));
-  else
-    item->Activate(event_flags);
-}
-
-void AppListMainView::GetShortcutPathForApp(
-    const std::string& app_id,
-    const base::Callback<void(const base::FilePath&)>& callback) {
-  delegate_->GetShortcutPathForApp(app_id, callback);
-}
-
-void AppListMainView::CancelDragInActiveFolder() {
-  contents_view_->apps_container_view()
-      ->app_list_folder_view()
-      ->items_grid_view()
-      ->EndDrag(true);
-}
-
-void AppListMainView::QueryChanged(SearchBoxView* sender) {
-  base::string16 query;
-  base::TrimWhitespace(model_->search_box()->text(), base::TRIM_ALL, &query);
-  bool should_show_search = !query.empty();
-  contents_view_->ShowSearchResults(should_show_search);
-  UpdateSearchBoxVisibility();
-
-  delegate_->StartSearch();
-}
-
-void AppListMainView::OnResultInstalled(SearchResult* result) {
-  // Clears the search to show the apps grid. The last installed app
-  // should be highlighted and made visible already.
-  search_box_view_->ClearSearch();
-}
-
-void AppListMainView::OnResultUninstalled(SearchResult* result) {
-  // Resubmit the query via a posted task so that all observers for the
-  // uninstall notification are notified.
-  base::MessageLoop::current()->PostTask(
-      FROM_HERE,
-      base::Bind(&AppListMainView::QueryChanged,
-                 weak_ptr_factory_.GetWeakPtr(),
-                 search_box_view_));
-}
-
-}  // namespace app_list