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// 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/launcher/tabbed_launcher_button.h"
#include <algorithm>
#include "ash/launcher/launcher_button_host.h"
#include "ash/launcher/launcher_types.h"
#include "grit/ash_resources.h"
#include "ui/base/accessibility/accessible_view_state.h"
#include "ui/base/animation/multi_animation.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/insets.h"
namespace {
const int kIconOffsetY = 7;
}
namespace ash {
namespace internal {
TabbedLauncherButton::IconView::IconView(
TabbedLauncherButton* host)
: host_(host) {
if (!browser_image_) {
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
browser_image_ = rb.GetImageNamed(IDR_AURA_LAUNCHER_BROWSER).ToImageSkia();
incognito_browser_image_ =
rb.GetImageNamed(IDR_AURA_LAUNCHER_INCOGNITO_BROWSER).ToImageSkia();
browser_panel_image_ =
rb.GetImageNamed(IDR_AURA_LAUNCHER_BROWSER_PANEL).ToImageSkia();
incognito_browser_panel_image_ =
rb.GetImageNamed(
IDR_AURA_LAUNCHER_INCOGNITO_BROWSER_PANEL).ToImageSkia();
}
set_icon_size(0);
if (host->is_incognito() == STATE_NOT_INCOGNITO)
LauncherButton::IconView::SetImage(*browser_image_);
else
LauncherButton::IconView::SetImage(*incognito_browser_image_);
}
TabbedLauncherButton::IconView::~IconView() {
}
void TabbedLauncherButton::IconView::AnimationEnded(
const ui::Animation* animation) {
AnimationProgressed(animation);
animating_image_ = gfx::ImageSkia();
}
void TabbedLauncherButton::IconView::AnimationProgressed(
const ui::Animation* animation) {
if (animation_->current_part_index() == 1)
SchedulePaint();
}
void TabbedLauncherButton::IconView::SetTabImage(const gfx::ImageSkia& image) {
if (image.isNull()) {
if (!image_.isNull()) {
// Pause for 500ms, then ease out for 200ms.
ui::MultiAnimation::Parts animation_parts;
animation_parts.push_back(ui::MultiAnimation::Part(500, ui::Tween::ZERO));
animation_parts.push_back(
ui::MultiAnimation::Part(200, ui::Tween::EASE_OUT));
animation_.reset(new ui::MultiAnimation(animation_parts));
animation_->set_continuous(false);
animation_->set_delegate(this);
animation_->Start();
animating_image_ = image_;
image_ = image;
}
} else {
animation_.reset();
SchedulePaint();
image_ = image;
}
}
void TabbedLauncherButton::IconView::OnPaint(gfx::Canvas* canvas) {
LauncherButton::IconView::OnPaint(canvas);
// Only non incognito icons show the tab image.
if (host_->is_incognito() != STATE_NOT_INCOGNITO)
return;
if ((animation_.get() && animation_->is_animating() &&
animation_->current_part_index() == 1)) {
int x = (width() - animating_image_.width()) / 2;
canvas->SaveLayerAlpha(animation_->CurrentValueBetween(255, 0));
canvas->DrawImageInt(animating_image_, x, kIconOffsetY);
canvas->Restore();
} else {
int x = (width() - image_.width()) / 2;
canvas->DrawImageInt(image_, x, kIconOffsetY);
}
}
// static
const gfx::ImageSkia* TabbedLauncherButton::IconView::browser_image_ = NULL;
const gfx::ImageSkia* TabbedLauncherButton::IconView::incognito_browser_image_ =
NULL;
const gfx::ImageSkia* TabbedLauncherButton::IconView::browser_panel_image_ =
NULL;
const gfx::ImageSkia*
TabbedLauncherButton::IconView::incognito_browser_panel_image_ = NULL;
TabbedLauncherButton* TabbedLauncherButton::Create(
views::ButtonListener* listener,
LauncherButtonHost* host,
IncognitoState is_incognito) {
TabbedLauncherButton* button =
new TabbedLauncherButton(listener, host, is_incognito);
button->Init();
return button;
}
TabbedLauncherButton::TabbedLauncherButton(views::ButtonListener* listener,
LauncherButtonHost* host,
IncognitoState is_incognito)
: LauncherButton(listener, host),
is_incognito_(is_incognito) {
set_accessibility_focusable(true);
}
TabbedLauncherButton::~TabbedLauncherButton() {
}
void TabbedLauncherButton::SetTabImage(const gfx::ImageSkia& image) {
tabbed_icon_view()->SetTabImage(image);
}
void TabbedLauncherButton::GetAccessibleState(ui::AccessibleViewState* state) {
state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
state->name = host()->GetAccessibleName(this);
}
LauncherButton::IconView* TabbedLauncherButton::CreateIconView() {
return new IconView(this);
}
} // namespace internal
} // namespace ash
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