aura: Implement app list M19 mock.

ash/app_list/app_list_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 "ash/app_list/app_list_view.h"
 
-#include "ash/app_list/app_list_groups_view.h"
 #include "ash/app_list/app_list_item_view.h"
 #include "ash/app_list/app_list_model.h"
+#include "ash/app_list/app_list_model_view.h"
 #include "ash/app_list/app_list_view_delegate.h"
 #include "ash/shell.h"
-#include "ui/views/layout/fill_layout.h"
+#include "ui/gfx/screen.h"
+#include "ui/views/background.h"
+#include "ui/views/controls/textfield/textfield.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 
+namespace {
+
+// Margins in pixels from screen edges.
+const int kMargin = 50;
+
+// 0.4 black
+const SkColor kBackgroundColor = SkColorSetARGB(0x66, 0, 0, 0);
+
+}  // namespace
+
 AppListView::AppListView(
-    AppListModel* model,
     AppListViewDelegate* delegate,
     const gfx::Rect& bounds)
-    : model_(model),
-      delegate_(delegate) {
+    : delegate_(delegate),
+      model_view_(NULL) {
+  set_background(views::Background::CreateSolidBackground(kBackgroundColor));
   Init(bounds);
 }
 
 AppListView::~AppListView() {
 }
 
 void AppListView::Close() {
   if (GetWidget()->IsVisible())
     Shell::GetInstance()->ToggleAppList();
 }
 
 void AppListView::Init(const gfx::Rect& bounds) {
-  SetLayoutManager(new views::FillLayout);
-  AppListGroupsView* groups_view = new AppListGroupsView(model_.get(), this);
-  AddChildView(groups_view);
+  model_view_ = new AppListModelView(this);
+  AddChildView(model_view_);
 
   views::Widget::InitParams widget_params(
       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
-  widget_params.bounds = bounds;
   widget_params.delegate = this;
   widget_params.keep_on_top = true;
   widget_params.transparent = true;
 
   views::Widget* widget = new views::Widget;
   widget->Init(widget_params);
   widget->SetContentsView(this);
+  widget->SetBounds(bounds);
 
-  if (groups_view->GetFocusedTile())
-    groups_view->GetFocusedTile()->RequestFocus();
+  UpdateModel();
+}
+
+void AppListView::UpdateModel() {
+  if (delegate_.get()) {
+    scoped_ptr<AppListModel> new_model(new AppListModel);
+    delegate_->BuildAppListModel("", new_model.get());

[sky, 2012/03/01 00:26:57]

"" -> std::string()

[xiyuan, 2012/03/01 19:58:47]

Done.

+    model_view_->SetModel(new_model.get());
+    model_.reset(new_model.release());
+  }
+}
+
+views::View* AppListView::GetInitiallyFocusedView() {
+  return model_view_;
+}
+
+void AppListView::Layout() {
+  gfx::Rect rect(GetContentsBounds());
+  if (rect.IsEmpty())
+    return;
+
+  gfx::Rect workarea_rect = gfx::Screen::GetMonitorWorkAreaNearestWindow(

[sky, 2012/03/01 00:26:57]

These aren't necessarily in the same coordinates. Can't you make AppList use the
work area?

[xiyuan, 2012/03/01 19:58:47]

Done.

+      GetWidget()->GetNativeView());
+
+  rect.Inset(kMargin, kMargin);
+  rect = rect.Intersect(workarea_rect);
+  model_view_->SetBoundsRect(rect);
 }
 
 bool AppListView::OnKeyPressed(const views::KeyEvent& event) {
   if (event.key_code() == ui::VKEY_ESCAPE) {
     Close();
     return true;
   }
 
   return false;
 }
 
 bool AppListView::OnMousePressed(const views::MouseEvent& event) {
   // If mouse click reaches us, this means user clicks on blank area. So close.
   Close();
 
   return true;
 }
 
-void AppListView::AppListItemActivated(AppListItemView* sender,
-                                       int event_flags) {
-  if (delegate_.get())
-    delegate_->OnAppListItemActivated(sender->model(), event_flags);
+void AppListView::ButtonPressed(views::Button* sender,
+                                const views::Event& event) {
+  if (delegate_.get()) {
+    delegate_->OnAppListItemActivated(
+        static_cast<AppListItemView*>(sender)->model(),

[sky, 2012/03/01 00:26:57]

This seems a bit fragile.

[xiyuan, 2012/03/01 19:58:47]

Added a class name to AppListItemView to make sure it's okay to cast here.

+        event.flags());
+  }
   Close();
 }
 
 }  // namespace ash