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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/window_controls_overlay/window_controls_overlay.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/navigator.h"
#include "third_party/blink/renderer/modules/event_target_modules.h"
#include "third_party/blink/renderer/modules/window_controls_overlay/window_controls_overlay_geometry_change_event.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
namespace blink {
// static
const char WindowControlsOverlay::kSupplementName[] = "WindowControlsOverlay";
// static
WindowControlsOverlay& WindowControlsOverlay::From(Navigator& navigator) {
WindowControlsOverlay* supplement = FromIfExists(navigator);
if (!supplement) {
supplement = MakeGarbageCollected<WindowControlsOverlay>(navigator);
ProvideTo(navigator, supplement);
}
return *supplement;
}
// static
WindowControlsOverlay* WindowControlsOverlay::FromIfExists(
Navigator& navigator) {
return Supplement<Navigator>::From<WindowControlsOverlay>(navigator);
}
// static
WindowControlsOverlay* WindowControlsOverlay::windowControlsOverlay(
Navigator& navigator) {
return &From(navigator);
}
WindowControlsOverlay::WindowControlsOverlay(Navigator& navigator)
: Supplement<Navigator>(navigator),
WindowControlsOverlayChangedDelegate(
navigator.DomWindow() ? navigator.DomWindow()->GetFrame() : nullptr) {
}
WindowControlsOverlay::~WindowControlsOverlay() = default;
ExecutionContext* WindowControlsOverlay::GetExecutionContext() const {
return GetSupplementable()->DomWindow();
}
const AtomicString& WindowControlsOverlay::InterfaceName() const {
return event_target_names::kWindowControlsOverlay;
}
bool WindowControlsOverlay::visible() const {
if (!GetSupplementable()->DomWindow())
return false;
return GetSupplementable()
->DomWindow()
->GetFrame()
->IsWindowControlsOverlayVisible();
}
DOMRect* WindowControlsOverlay::getTitlebarAreaRect() const {
if (!GetSupplementable()->DomWindow())
return DOMRect::Create(0, 0, 0, 0);
const auto& rect = GetSupplementable()
->DomWindow()
->GetFrame()
->GetWindowControlsOverlayRect();
return DOMRect::Create(rect.x(), rect.y(), rect.width(), rect.height());
}
void WindowControlsOverlay::WindowControlsOverlayChanged(
const gfx::Rect& rect) {
DispatchEvent(
*(MakeGarbageCollected<WindowControlsOverlayGeometryChangeEvent>(
event_type_names::kGeometrychange,
DOMRect::Create(rect.x(), rect.y(), rect.width(), rect.height()),
!rect.IsEmpty())));
}
void WindowControlsOverlay::Trace(blink::Visitor* visitor) const {
EventTarget::Trace(visitor);
Supplement<Navigator>::Trace(visitor);
}
} // namespace blink
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