Revert of Shelf Cleanup (- binary files)

ash/shelf/alternate_app_list_button.cc

+// 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 "ash/shelf/alternate_app_list_button.h"
+
+#include "ash/ash_constants.h"
+#include "ash/ash_switches.h"
+#include "ash/shelf/shelf_button.h"
+#include "ash/shelf/shelf_button_host.h"
+#include "ash/shelf/shelf_item_types.h"
+#include "ash/shelf/shelf_layout_manager.h"
+#include "ash/shelf/shelf_widget.h"
+#include "ash/shell.h"
+#include "grit/ash_resources.h"
+#include "grit/ash_strings.h"
+#include "ui/accessibility/ax_view_state.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/compositor/layer.h"
+#include "ui/compositor/layer_animation_element.h"
+#include "ui/compositor/layer_animation_sequence.h"
+#include "ui/compositor/scoped_layer_animation_settings.h"
+#include "ui/gfx/canvas.h"
+#include "ui/gfx/image/image_skia_operations.h"
+#include "ui/views/controls/button/image_button.h"
+#include "ui/views/painter.h"
+
+namespace ash {
+namespace internal {
+
+// static
+const int AlternateAppListButton::kImageBoundsSize = 7;
+
+
+AlternateAppListButton::AlternateAppListButton(views::ButtonListener* listener,
+                                               ShelfButtonHost* host,
+                                               ShelfWidget* shelf_widget)
+    : views::ImageButton(listener),
+      host_(host),
+      shelf_widget_(shelf_widget) {
+  SetAccessibleName(l10n_util::GetStringUTF16(IDS_AURA_APP_LIST_TITLE));
+  SetSize(gfx::Size(ShelfLayoutManager::kShelfSize,
+                    ShelfLayoutManager::kShelfSize));
+  SetFocusPainter(views::Painter::CreateSolidFocusPainter(
+                      kFocusBorderColor, gfx::Insets(1, 1, 1, 1)));
+}
+
+AlternateAppListButton::~AlternateAppListButton() {
+}
+
+bool AlternateAppListButton::OnMousePressed(const ui::MouseEvent& event) {
+  ImageButton::OnMousePressed(event);
+  host_->PointerPressedOnButton(this, ShelfButtonHost::MOUSE, event);
+  return true;
+}
+
+void AlternateAppListButton::OnMouseReleased(const ui::MouseEvent& event) {
+  ImageButton::OnMouseReleased(event);
+  host_->PointerReleasedOnButton(this, ShelfButtonHost::MOUSE, false);
+}
+
+void AlternateAppListButton::OnMouseCaptureLost() {
+  host_->PointerReleasedOnButton(this, ShelfButtonHost::MOUSE, true);
+  ImageButton::OnMouseCaptureLost();
+}
+
+bool AlternateAppListButton::OnMouseDragged(const ui::MouseEvent& event) {
+  ImageButton::OnMouseDragged(event);
+  host_->PointerDraggedOnButton(this, ShelfButtonHost::MOUSE, event);
+  return true;
+}
+
+void AlternateAppListButton::OnMouseMoved(const ui::MouseEvent& event) {
+  ImageButton::OnMouseMoved(event);
+  host_->MouseMovedOverButton(this);
+}
+
+void AlternateAppListButton::OnMouseEntered(const ui::MouseEvent& event) {
+  ImageButton::OnMouseEntered(event);
+  host_->MouseEnteredButton(this);
+}
+
+void AlternateAppListButton::OnMouseExited(const ui::MouseEvent& event) {
+  ImageButton::OnMouseExited(event);
+  host_->MouseExitedButton(this);
+}
+
+void AlternateAppListButton::OnGestureEvent(ui::GestureEvent* event) {
+  switch (event->type()) {
+   case ui::ET_GESTURE_SCROLL_BEGIN:
+     host_->PointerPressedOnButton(this, ShelfButtonHost::TOUCH, *event);
+     event->SetHandled();
+     return;
+   case ui::ET_GESTURE_SCROLL_UPDATE:
+     host_->PointerDraggedOnButton(this, ShelfButtonHost::TOUCH, *event);
+     event->SetHandled();
+     return;
+   case ui::ET_GESTURE_SCROLL_END:
+   case ui::ET_SCROLL_FLING_START:
+     host_->PointerReleasedOnButton(this, ShelfButtonHost::TOUCH, false);
+     event->SetHandled();
+     return;
+   default:
+     ImageButton::OnGestureEvent(event);
+     return;
+  }
+}
+
+void AlternateAppListButton::OnPaint(gfx::Canvas* canvas) {
+  // Call the base class first to paint any background/borders.
+  View::OnPaint(canvas);
+
+  int background_image_id = 0;
+  if (Shell::GetInstance()->GetAppListTargetVisibility()) {
+    background_image_id = IDR_AURA_NOTIFICATION_BACKGROUND_PRESSED;
+  } else {
+    if (shelf_widget_->GetDimsShelf())
+      background_image_id = IDR_AURA_NOTIFICATION_BACKGROUND_ON_BLACK;
+    else
+      background_image_id = IDR_AURA_NOTIFICATION_BACKGROUND_NORMAL;
+  }
+  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  const gfx::ImageSkia* background_image =
+      rb.GetImageNamed(background_image_id).ToImageSkia();
+  const gfx::ImageSkia* forground_image =
+      rb.GetImageNamed(IDR_AURA_LAUNCHER_ICON_APPLIST_ALTERNATE).ToImageSkia();
+
+  gfx::Rect contents_bounds = GetContentsBounds();
+  gfx::Rect background_bounds, forground_bounds;
+
+  ShelfAlignment alignment = shelf_widget_->GetAlignment();
+  background_bounds.set_size(background_image->size());
+  if (alignment == SHELF_ALIGNMENT_LEFT) {
+    background_bounds.set_x(contents_bounds.width() -
+        ShelfLayoutManager::kShelfItemInset - background_image->width());
+    background_bounds.set_y(contents_bounds.y() +
+        (contents_bounds.height() - background_image->height()) / 2);
+  } else if(alignment == SHELF_ALIGNMENT_RIGHT) {
+    background_bounds.set_x(ShelfLayoutManager::kShelfItemInset);
+    background_bounds.set_y(contents_bounds.y() +
+        (contents_bounds.height() - background_image->height()) / 2);
+  } else {
+    background_bounds.set_y(ShelfLayoutManager::kShelfItemInset);
+    background_bounds.set_x(contents_bounds.x() +
+        (contents_bounds.width() - background_image->width()) / 2);
+  }
+
+  forground_bounds.set_size(forground_image->size());
+  forground_bounds.set_x(background_bounds.x() +
+      std::max(0,
+          (background_bounds.width() - forground_bounds.width()) / 2));
+  forground_bounds.set_y(background_bounds.y() +
+      std::max(0,
+          (background_bounds.height() - forground_bounds.height()) / 2));
+
+  canvas->DrawImageInt(*background_image,
+                       background_bounds.x(),
+                       background_bounds.y());
+  canvas->DrawImageInt(*forground_image,
+                       forground_bounds.x(),
+                       forground_bounds.y());
+
+  views::Painter::PaintFocusPainter(this, canvas, focus_painter());
+}
+
+void AlternateAppListButton::GetAccessibleState(
+    ui::AXViewState* state) {
+  state->role = ui::AX_ROLE_BUTTON;
+  state->name = host_->GetAccessibleName(this);
+}
+
+}  // namespace internal
+}  // namespace ash