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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 "ui/ozone/platform/drm/host/drm_window_host.h"
#include "base/bind.h"
#include "ui/events/devices/device_data_manager.h"
#include "ui/events/event.h"
#include "ui/events/ozone/evdev/event_factory_evdev.h"
#include "ui/events/ozone/events_ozone.h"
#include "ui/events/platform/platform_event_source.h"
#include "ui/gfx/display.h"
#include "ui/ozone/common/gpu/ozone_gpu_messages.h"
#include "ui/ozone/platform/drm/host/drm_cursor.h"
#include "ui/ozone/platform/drm/host/drm_display_host.h"
#include "ui/ozone/platform/drm/host/drm_display_host_manager.h"
#include "ui/ozone/platform/drm/host/drm_gpu_platform_support_host.h"
#include "ui/ozone/platform/drm/host/drm_overlay_candidates_host.h"
#include "ui/ozone/platform/drm/host/drm_window_host_manager.h"
#include "ui/platform_window/platform_window_delegate.h"
namespace ui {
DrmWindowHost::DrmWindowHost(PlatformWindowDelegate* delegate,
const gfx::Rect& bounds,
DrmGpuPlatformSupportHost* sender,
EventFactoryEvdev* event_factory,
DrmCursor* cursor,
DrmWindowHostManager* window_manager,
DrmDisplayHostManager* display_manager)
: delegate_(delegate),
sender_(sender),
event_factory_(event_factory),
cursor_(cursor),
window_manager_(window_manager),
display_manager_(display_manager),
overlay_candidates_host_(nullptr),
bounds_(bounds),
widget_(window_manager->NextAcceleratedWidget()) {
window_manager_->AddWindow(widget_, this);
}
DrmWindowHost::~DrmWindowHost() {
PlatformEventSource::GetInstance()->RemovePlatformEventDispatcher(this);
window_manager_->RemoveWindow(widget_);
cursor_->OnWindowRemoved(widget_);
sender_->RemoveChannelObserver(this);
sender_->Send(new OzoneGpuMsg_DestroyWindow(widget_));
}
void DrmWindowHost::Initialize() {
sender_->AddChannelObserver(this);
PlatformEventSource::GetInstance()->AddPlatformEventDispatcher(this);
cursor_->OnWindowAdded(widget_, bounds_, GetCursorConfinedBounds());
delegate_->OnAcceleratedWidgetAvailable(widget_, 1.f);
}
gfx::AcceleratedWidget DrmWindowHost::GetAcceleratedWidget() {
return widget_;
}
gfx::Rect DrmWindowHost::GetCursorConfinedBounds() const {
return cursor_confined_bounds_.IsEmpty() ? gfx::Rect(bounds_.size())
: cursor_confined_bounds_;
}
void DrmWindowHost::Show() {
}
void DrmWindowHost::Hide() {
}
void DrmWindowHost::Close() {
}
void DrmWindowHost::SetBounds(const gfx::Rect& bounds) {
bounds_ = bounds;
delegate_->OnBoundsChanged(bounds);
SendBoundsChange();
}
gfx::Rect DrmWindowHost::GetBounds() {
return bounds_;
}
void DrmWindowHost::SetTitle(const base::string16& title) {
}
void DrmWindowHost::SetCapture() {
window_manager_->GrabEvents(widget_);
}
void DrmWindowHost::ReleaseCapture() {
window_manager_->UngrabEvents(widget_);
}
void DrmWindowHost::ToggleFullscreen() {
}
void DrmWindowHost::Maximize() {
}
void DrmWindowHost::Minimize() {
}
void DrmWindowHost::Restore() {
}
void DrmWindowHost::SetCursor(PlatformCursor cursor) {
cursor_->SetCursor(widget_, cursor);
}
void DrmWindowHost::MoveCursorTo(const gfx::Point& location) {
event_factory_->WarpCursorTo(widget_, location);
}
void DrmWindowHost::ConfineCursorToBounds(const gfx::Rect& bounds) {
if (cursor_confined_bounds_ == bounds)
return;
cursor_confined_bounds_ = bounds;
cursor_->CommitBoundsChange(widget_, bounds_, bounds);
}
PlatformImeController* DrmWindowHost::GetPlatformImeController() {
return nullptr;
}
bool DrmWindowHost::CanDispatchEvent(const PlatformEvent& ne) {
DCHECK(ne);
Event* event = static_cast<Event*>(ne);
// If there is a grab, capture events here.
gfx::AcceleratedWidget grabber = window_manager_->event_grabber();
if (grabber != gfx::kNullAcceleratedWidget)
return grabber == widget_;
if (event->IsTouchEvent()) {
// Dispatch the event if it is from the touchscreen associated with the
// DrmWindowHost. We cannot check the event's location because if the
// touchscreen has a bezel, touches in the bezel have a location outside of
// |bounds_|.
int64_t display_id =
DeviceDataManager::GetInstance()->GetTargetDisplayForTouchDevice(
event->source_device_id());
if (display_id == gfx::Display::kInvalidDisplayID)
return false;
DrmDisplayHost* display = display_manager_->GetDisplay(display_id);
if (!display)
return false;
DisplaySnapshot* snapshot = display->snapshot();
if (!snapshot->current_mode())
return false;
gfx::Rect display_bounds(snapshot->origin(),
snapshot->current_mode()->size());
return display_bounds == bounds_;
} else if (event->IsLocatedEvent()) {
LocatedEvent* located_event = static_cast<LocatedEvent*>(event);
return bounds_.Contains(gfx::ToFlooredPoint(located_event->location()));
}
// TODO(spang): For non-ash builds we would need smarter keyboard focus.
return true;
}
uint32_t DrmWindowHost::DispatchEvent(const PlatformEvent& native_event) {
DCHECK(native_event);
Event* event = static_cast<Event*>(native_event);
if (event->IsLocatedEvent()) {
// Make the event location relative to this window's origin.
LocatedEvent* located_event = static_cast<LocatedEvent*>(event);
gfx::PointF location = located_event->location();
location -= bounds_.OffsetFromOrigin();
located_event->set_location(location);
located_event->set_root_location(location);
}
DispatchEventFromNativeUiEvent(
native_event, base::Bind(&PlatformWindowDelegate::DispatchEvent,
base::Unretained(delegate_)));
return POST_DISPATCH_STOP_PROPAGATION;
}
void DrmWindowHost::OnChannelEstablished() {
sender_->Send(new OzoneGpuMsg_CreateWindow(widget_));
SendBoundsChange();
}
void DrmWindowHost::OnChannelDestroyed() {
}
void DrmWindowHost::SetOverlayCandidatesHost(DrmOverlayCandidatesHost* host) {
overlay_candidates_host_ = host;
}
void DrmWindowHost::SendBoundsChange() {
// Update the cursor before the window so that the cursor stays within the
// window bounds when the window size shrinks.
cursor_->CommitBoundsChange(widget_, bounds_, GetCursorConfinedBounds());
sender_->Send(new OzoneGpuMsg_WindowBoundsChanged(widget_, bounds_));
if (overlay_candidates_host_)
overlay_candidates_host_->ResetCache();
}
} // namespace ui
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