| // 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/app_list_button.h" |
| |
| #include <vector> |
| |
| #include "ash/ash_constants.h" |
| #include "ash/launcher/launcher_types.h" |
| #include "ash/shelf/shelf_button_host.h" |
| #include "grit/ash_resources.h" |
| #include "grit/ash_strings.h" |
| #include "ui/base/accessibility/accessible_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/views/painter.h" |
| |
| namespace ash { |
| namespace internal { |
| |
| const int kAnimationDurationInMs = 600; |
| const float kAnimationOpacity[] = { 1.0f, 0.4f, 1.0f }; |
| |
| AppListButton::AppListButton(views::ButtonListener* listener, |
| ShelfButtonHost* host) |
| : views::ImageButton(listener), |
| host_(host) { |
| ResourceBundle& rb = ResourceBundle::GetSharedInstance(); |
| SetImage( |
| views::CustomButton::STATE_NORMAL, |
| rb.GetImageNamed(IDR_AURA_LAUNCHER_ICON_APPLIST).ToImageSkia()); |
| SetImage( |
| views::CustomButton::STATE_HOVERED, |
| rb.GetImageNamed(IDR_AURA_LAUNCHER_ICON_APPLIST_HOT). |
| ToImageSkia()); |
| SetImage( |
| views::CustomButton::STATE_PRESSED, |
| rb.GetImageNamed(IDR_AURA_LAUNCHER_ICON_APPLIST_PUSHED). |
| ToImageSkia()); |
| SetAccessibleName(l10n_util::GetStringUTF16(IDS_AURA_APP_LIST_TITLE)); |
| SetSize(gfx::Size(kLauncherPreferredSize, kLauncherPreferredSize)); |
| SetImageAlignment(ImageButton::ALIGN_CENTER, ImageButton::ALIGN_TOP); |
| SetFocusPainter(views::Painter::CreateSolidFocusPainter( |
| kFocusBorderColor, gfx::Insets(1, 1, 1, 1))); |
| } |
| |
| AppListButton::~AppListButton() { |
| } |
| |
| void AppListButton::StartLoadingAnimation() { |
| layer()->GetAnimator()->StopAnimating(); |
| |
| scoped_ptr<ui::LayerAnimationSequence> opacity_sequence( |
| new ui::LayerAnimationSequence()); |
| |
| opacity_sequence->set_is_cyclic(true); |
| |
| for (size_t i = 0; i < arraysize(kAnimationOpacity); ++i) { |
| opacity_sequence->AddElement( |
| ui::LayerAnimationElement::CreateOpacityElement( |
| kAnimationOpacity[i], |
| base::TimeDelta::FromMilliseconds(kAnimationDurationInMs))); |
| } |
| |
| ui::LayerAnimationElement::AnimatableProperties opacity_properties; |
| opacity_properties.insert(ui::LayerAnimationElement::OPACITY); |
| opacity_sequence->AddElement( |
| ui::LayerAnimationElement::CreatePauseElement( |
| opacity_properties, |
| base::TimeDelta::FromMilliseconds(kAnimationDurationInMs))); |
| |
| // LayerAnimator takes ownership of the sequences. |
| layer()->GetAnimator()->ScheduleAnimation(opacity_sequence.release()); |
| } |
| |
| void AppListButton::StopLoadingAnimation() { |
| layer()->GetAnimator()->StopAnimating(); |
| |
| ui::ScopedLayerAnimationSettings settings(layer()->GetAnimator()); |
| settings.SetTransitionDuration( |
| base::TimeDelta::FromMilliseconds(kAnimationDurationInMs)); |
| layer()->SetOpacity(1.0f); |
| layer()->SetTransform(gfx::Transform()); |
| } |
| |
| bool AppListButton::OnMousePressed(const ui::MouseEvent& event) { |
| ImageButton::OnMousePressed(event); |
| host_->PointerPressedOnButton(this, ShelfButtonHost::MOUSE, event); |
| return true; |
| } |
| |
| void AppListButton::OnMouseReleased(const ui::MouseEvent& event) { |
| ImageButton::OnMouseReleased(event); |
| host_->PointerReleasedOnButton(this, ShelfButtonHost::MOUSE, false); |
| } |
| |
| void AppListButton::OnMouseCaptureLost() { |
| host_->PointerReleasedOnButton(this, ShelfButtonHost::MOUSE, true); |
| ImageButton::OnMouseCaptureLost(); |
| } |
| |
| bool AppListButton::OnMouseDragged(const ui::MouseEvent& event) { |
| ImageButton::OnMouseDragged(event); |
| host_->PointerDraggedOnButton(this, ShelfButtonHost::MOUSE, event); |
| return true; |
| } |
| |
| void AppListButton::OnMouseMoved(const ui::MouseEvent& event) { |
| ImageButton::OnMouseMoved(event); |
| host_->MouseMovedOverButton(this); |
| } |
| |
| void AppListButton::OnMouseEntered(const ui::MouseEvent& event) { |
| ImageButton::OnMouseEntered(event); |
| host_->MouseEnteredButton(this); |
| } |
| |
| void AppListButton::OnMouseExited(const ui::MouseEvent& event) { |
| ImageButton::OnMouseExited(event); |
| host_->MouseExitedButton(this); |
| } |
| |
| void AppListButton::GetAccessibleState(ui::AccessibleViewState* state) { |
| state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON; |
| state->name = host_->GetAccessibleName(this); |
| } |
| |
| } // namespace internal |
| } // namespace ash |