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// Copyright 2014 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 "mojo/services/native_viewport/native_viewport_impl.h"
#include "base/bind.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/time/time.h"
#include "mojo/public/cpp/application/application_delegate.h"
#include "mojo/public/cpp/application/interface_factory.h"
#include "mojo/services/public/cpp/geometry/geometry_type_converters.h"
#include "mojo/services/public/cpp/input_events/input_events_type_converters.h"
#include "ui/events/event.h"
namespace mojo {
namespace {
bool IsRateLimitedEventType(ui::Event* event) {
return event->type() == ui::ET_MOUSE_MOVED ||
event->type() == ui::ET_MOUSE_DRAGGED ||
event->type() == ui::ET_TOUCH_MOVED;
}
} // namespace
NativeViewportImpl::NativeViewportImpl()
: widget_(gfx::kNullAcceleratedWidget),
waiting_for_event_ack_(false),
weak_factory_(this) {}
NativeViewportImpl::~NativeViewportImpl() {
// Destroy the NativeViewport early on as it may call us back during
// destruction and we want to be in a known state.
platform_viewport_.reset();
}
void NativeViewportImpl::Create(RectPtr bounds) {
platform_viewport_ = PlatformViewport::Create(this);
platform_viewport_->Init(bounds.To<gfx::Rect>());
OnBoundsChanged(bounds.To<gfx::Rect>());
}
void NativeViewportImpl::Show() {
platform_viewport_->Show();
}
void NativeViewportImpl::Hide() {
platform_viewport_->Hide();
}
void NativeViewportImpl::Close() {
DCHECK(platform_viewport_);
platform_viewport_->Close();
}
void NativeViewportImpl::SetBounds(RectPtr bounds) {
platform_viewport_->SetBounds(bounds.To<gfx::Rect>());
}
void NativeViewportImpl::OnBoundsChanged(const gfx::Rect& bounds) {
client()->OnBoundsChanged(Rect::From(bounds));
}
void NativeViewportImpl::OnAcceleratedWidgetAvailable(
gfx::AcceleratedWidget widget) {
widget_ = widget;
client()->OnCreated(reinterpret_cast<uint64_t>(widget));
}
bool NativeViewportImpl::OnEvent(ui::Event* ui_event) {
// Must not return early before updating capture.
switch (ui_event->type()) {
case ui::ET_MOUSE_PRESSED:
case ui::ET_TOUCH_PRESSED:
platform_viewport_->SetCapture();
break;
case ui::ET_MOUSE_RELEASED:
case ui::ET_TOUCH_RELEASED:
platform_viewport_->ReleaseCapture();
break;
default:
break;
}
if (waiting_for_event_ack_ && IsRateLimitedEventType(ui_event))
return false;
client()->OnEvent(
TypeConverter<EventPtr, ui::Event>::ConvertFrom(*ui_event),
base::Bind(&NativeViewportImpl::AckEvent,
weak_factory_.GetWeakPtr()));
waiting_for_event_ack_ = true;
return false;
}
void NativeViewportImpl::OnDestroyed() {
client()->OnDestroyed();
}
void NativeViewportImpl::AckEvent() {
waiting_for_event_ack_ = false;
}
} // namespace mojo
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