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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_cursor.h"
#include "base/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/ozone/common/gpu/ozone_gpu_messages.h"
#include "ui/ozone/platform/drm/host/drm_window_host_manager.h"
#if defined(OS_CHROMEOS)
#include "ui/events/ozone/chromeos/cursor_controller.h"
#endif
namespace ui {
DrmCursor::DrmCursor(DrmWindowHostManager* window_manager)
: ipc_(&lock_), core_(new DrmCursorCore(&ipc_, window_manager)) {}
DrmCursor::~DrmCursor() {
}
void DrmCursor::SetCursor(gfx::AcceleratedWidget window,
PlatformCursor platform_cursor) {
TRACE_EVENT0("drmcursor", "DrmCursor::SetCursor");
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK_NE(window, gfx::kNullAcceleratedWidget);
scoped_refptr<BitmapCursorOzone> bitmap =
BitmapCursorFactoryOzone::GetBitmapCursor(platform_cursor);
base::AutoLock lock(lock_);
core_->SetCursor(window, bitmap);
}
void DrmCursor::OnWindowAdded(gfx::AcceleratedWidget window,
const gfx::Rect& bounds_in_screen,
const gfx::Rect& cursor_confined_bounds) {
TRACE_EVENT0("drmcursor", "DrmCursor::OnWindowAdded");
DCHECK(thread_checker_.CalledOnValidThread());
base::AutoLock lock(lock_);
core_->OnWindowAdded(window, bounds_in_screen, cursor_confined_bounds);
}
void DrmCursor::OnWindowRemoved(gfx::AcceleratedWidget window) {
TRACE_EVENT0("drmcursor", "DrmCursor::OnWindowRemoved");
DCHECK(thread_checker_.CalledOnValidThread());
base::AutoLock lock(lock_);
core_->OnWindowRemoved(window);
}
void DrmCursor::CommitBoundsChange(
gfx::AcceleratedWidget window,
const gfx::Rect& new_display_bounds_in_screen,
const gfx::Rect& new_confined_bounds) {
TRACE_EVENT0("drmcursor", "DrmCursor::CommitBoundsChange");
DCHECK(thread_checker_.CalledOnValidThread());
base::AutoLock lock(lock_);
core_->CommitBoundsChange(window, new_display_bounds_in_screen,
new_confined_bounds);
}
void DrmCursor::MoveCursorTo(gfx::AcceleratedWidget window,
const gfx::PointF& location) {
TRACE_EVENT0("drmcursor", "DrmCursor::MoveCursorTo (window)");
DCHECK(thread_checker_.CalledOnValidThread());
base::AutoLock lock(lock_);
core_->MoveCursorTo(window, location);
}
void DrmCursor::MoveCursorTo(const gfx::PointF& screen_location) {
TRACE_EVENT0("drmcursor", "DrmCursor::MoveCursorTo");
DCHECK(thread_checker_.CalledOnValidThread());
base::AutoLock lock(lock_);
core_->MoveCursorTo(screen_location);
}
void DrmCursor::MoveCursor(const gfx::Vector2dF& delta) {
TRACE_EVENT0("drmcursor", "DrmCursor::MoveCursor");
base::AutoLock lock(lock_);
core_->MoveCursor(delta);
}
bool DrmCursor::IsCursorVisible() {
base::AutoLock lock(lock_);
return core_->IsCursorVisible();
}
gfx::PointF DrmCursor::GetLocation() {
base::AutoLock lock(lock_);
return core_->GetLocation();
}
gfx::Rect DrmCursor::GetCursorConfinedBounds() {
base::AutoLock lock(lock_);
return core_->GetCursorConfinedBounds();
}
void DrmCursor::OnChannelEstablished(
int host_id,
scoped_refptr<base::SingleThreadTaskRunner> send_runner,
const base::Callback<void(IPC::Message*)>& send_callback) {
TRACE_EVENT0("drmcursor", "DrmCursor::OnChannelEstablished");
DCHECK(thread_checker_.CalledOnValidThread());
base::AutoLock lock(lock_);
ipc_.host_id = host_id;
ipc_.send_runner = send_runner;
ipc_.send_callback = send_callback;
// Initial set for this GPU process will happen after the window
// initializes, in CommitBoundsChange().
}
void DrmCursor::OnChannelDestroyed(int host_id) {
DCHECK(thread_checker_.CalledOnValidThread());
base::AutoLock lock(lock_);
if (ipc_.host_id == host_id) {
ipc_.host_id = -1;
ipc_.send_runner = NULL;
ipc_.send_callback.Reset();
}
}
bool DrmCursor::OnMessageReceived(const IPC::Message& message) {
return false;
}
bool DrmCursor::CursorIPC::IsConnectedLocked() {
return !send_callback.is_null();
}
void DrmCursor::CursorIPC::CursorSet(gfx::AcceleratedWidget window,
const std::vector<SkBitmap>& bitmaps,
gfx::Point point,
int frame_delay_ms) {
SendLocked(new OzoneGpuMsg_CursorSet(window, bitmaps, point, frame_delay_ms));
}
void DrmCursor::CursorIPC::Move(gfx::AcceleratedWidget window,
gfx::Point point) {
SendLocked(new OzoneGpuMsg_CursorMove(window, point));
}
void DrmCursor::CursorIPC::SendLocked(IPC::Message* message) {
lock->AssertAcquired();
if (IsConnectedLocked() &&
send_runner->PostTask(FROM_HERE, base::Bind(send_callback, message)))
return;
// Drop disconnected updates. DrmWindowHost will call
// CommitBoundsChange() when we connect to initialize the cursor
// location.
delete message;
}
DrmCursor::CursorIPC::CursorIPC(base::Lock* lock) : host_id(-1), lock(lock) {}
DrmCursor::CursorIPC::~CursorIPC() {}
} // namespace ui
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