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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/display/shared_display_edge_indicator.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/root_window_controller.h"
#include "ash/shell.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/aura/client/screen_position_client.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/compositor/layer.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/gfx/animation/animation_container.h"
#include "ui/gfx/animation/throb_animation.h"
#include "ui/gfx/canvas.h"
#include "ui/views/animation/compositor_animation_runner.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace {
std::unique_ptr<views::Widget> CreateWidget(const gfx::Rect& bounds) {
display::Display display =
display::Screen::GetScreen()->GetDisplayMatching(bounds);
auto widget = std::make_unique<views::Widget>();
views::Widget::InitParams params(
views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET,
views::Widget::InitParams::TYPE_POPUP);
params.context = Shell::GetRootWindowControllerWithDisplayId(display.id())
->GetRootWindow();
params.opacity = views::Widget::InitParams::WindowOpacity::kTranslucent;
params.z_order = ui::ZOrderLevel::kFloatingUIElement;
params.layer_type = ui::LAYER_SOLID_COLOR;
params.name = "SharedDisplayEdgeIndicator";
widget->set_focus_on_creation(false);
widget->Init(std::move(params));
widget->SetVisibilityChangedAnimationsEnabled(false);
aura::Window* window = widget->GetNativeWindow();
aura::client::ScreenPositionClient* screen_position_client =
aura::client::GetScreenPositionClient(window->GetRootWindow());
screen_position_client->SetBounds(window, bounds, display);
widget->Show();
return widget;
}
} // namespace
SharedDisplayEdgeIndicator::SharedDisplayEdgeIndicator() = default;
SharedDisplayEdgeIndicator::~SharedDisplayEdgeIndicator() = default;
void SharedDisplayEdgeIndicator::Show(const gfx::Rect& src_bounds,
const gfx::Rect& dst_bounds) {
DCHECK(!src_widget_);
DCHECK(!dst_widget_);
src_widget_ = CreateWidget(src_bounds);
dst_widget_ = CreateWidget(dst_bounds);
animation_ = std::make_unique<gfx::ThrobAnimation>(this);
gfx::AnimationContainer* container = new gfx::AnimationContainer();
container->SetAnimationRunner(
std::make_unique<views::CompositorAnimationRunner>(src_widget_.get(),
FROM_HERE));
animation_->SetContainer(container);
animation_->SetThrobDuration(base::Milliseconds(1000));
animation_->StartThrobbing(/*infinite=*/-1);
}
void SharedDisplayEdgeIndicator::AnimationProgressed(
const gfx::Animation* animation) {
int value = animation->CurrentValueBetween(0, 255);
SkColor color = SkColorSetARGB(0xFF, value, value, value);
src_widget_->GetLayer()->SetColor(color);
dst_widget_->GetLayer()->SetColor(color);
}
} // namespace ash
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