[win] Add a progress bar in the app launcher for app installs.

ui/app_list/views/app_list_item_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 "ui/app_list/views/app_list_item_view.h"
 
 #include <algorithm>
 
 #include "base/utf_string_conversions.h"
 #include "ui/app_list/app_list_item_model.h"
@@ skipping 13 matching lines @@
 #include "ui/views/controls/menu/menu_model_adapter.h"
 #include "ui/views/controls/menu/menu_runner.h"
 
 namespace app_list {
 
 namespace {
 
 const int kTopBottomPadding = 10;
 const int kTopPadding = 20;
 const int kIconTitleSpacing = 7;
+const int kProgressBarHorizontalPadding = 8;
+const int kProgressBarVerticalPadding = 4;
+const int kProgressBarHeight = 4;
 
 const SkColor kTitleColor = SkColorSetRGB(0x5A, 0x5A, 0x5A);
 const SkColor kTitleHoverColor = SkColorSetRGB(0x3C, 0x3C, 0x3C);
 
 const SkColor kHoverAndPushedColor = SkColorSetARGB(0x19, 0, 0, 0);
 const SkColor kSelectedColor = SkColorSetARGB(0x0D, 0, 0, 0);
 const SkColor kHighlightedColor = kHoverAndPushedColor;
+const SkColor kDownloadProgressBackgroundColor =
+    SkColorSetRGB(0x90, 0x90, 0x90);
+const SkColor kDownloadProgressColor = SkColorSetRGB(0x20, 0xAA, 0x20);
 
 const int kLeftRightPaddingChars = 1;
 
 // Scale to transform the icon when a drag starts.
 const float kDraggingIconScale = 1.5f;
 
 // Delay in milliseconds of when the dragging UI should be shown for mouse drag.
 const int kMouseDragUIDelayInMs = 100;
 
 }  // namespace
@@ skipping 110 matching lines @@
 
 void AppListItemView::ItemTitleChanged() {
   title_->SetText(UTF8ToUTF16(model_->title()));
 }
 
 void AppListItemView::ItemHighlightedChanged() {
   apps_grid_view_->EnsureViewVisible(this);
   SchedulePaint();
 }
 
+void AppListItemView::ItemIsInstallingChanged() {
+  if (model_->is_installing())
+    apps_grid_view_->EnsureViewVisible(this);
+  SchedulePaint();
+}
+
+void AppListItemView::ItemPercentDownloadedChanged() {
+  SchedulePaint();
+}
+
 std::string AppListItemView::GetClassName() const {
   return kViewClassName;
 }
 
 void AppListItemView::Layout() {
   gfx::Rect rect(GetContentsBounds());
 
   const int left_right_padding = kLeftRightPaddingChars *
       title_->font().GetAverageCharacterWidth();
   rect.Inset(left_right_padding, kTopPadding, left_right_padding, 0);
@@ skipping 22 matching lines @@
     canvas->FillRect(rect, kHighlightedColor);
   } else if (hover_animation_->is_animating()) {
     int alpha = SkColorGetA(kHoverAndPushedColor) *
         hover_animation_->GetCurrentValue();
     canvas->FillRect(rect, SkColorSetA(kHoverAndPushedColor, alpha));
   } else if (state() == STATE_HOVERED || state() == STATE_PRESSED) {
     canvas->FillRect(rect, kHoverAndPushedColor);
   } else if (apps_grid_view_->IsSelectedView(this)) {
     canvas->FillRect(rect, kSelectedColor);
   }
+
+  if (model_->is_installing()) {
+    gfx::Rect progress_bar_background(
+        rect.x() + kProgressBarHorizontalPadding,
+        rect.bottom() - kProgressBarVerticalPadding - kProgressBarHeight,
+        rect.width() - 2 * kProgressBarHorizontalPadding,
+        kProgressBarHeight);
+    canvas->FillRect(progress_bar_background, kDownloadProgressBackgroundColor);
+
+    if (model_->percent_downloaded() != -1) {
+      float percent = model_->percent_downloaded() / 100.0;
+      gfx::Rect progress_bar(
+          progress_bar_background.x(),
+          progress_bar_background.y(),
+          progress_bar_background.width() * percent,
+          progress_bar_background.height());
+      canvas->FillRect(progress_bar, kDownloadProgressColor);
+    }
+  }
 }
 
 void AppListItemView::GetAccessibleState(ui::AccessibleViewState* state) {
   state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
   state->name = UTF8ToUTF16(model_->title());
 }
 
 void AppListItemView::ShowContextMenuForView(views::View* source,
                                              const gfx::Point& point) {
   ui::MenuModel* menu_model = model_->GetContextMenuModel();
@@ skipping 119 matching lines @@
         SetTouchDragging(false);
       break;
     default:
       break;
   }
   if (!event->handled())
     CustomButton::OnGestureEvent(event);
 }
 
 }  // namespace app_list