src/ui/ozone/platform/dri/cursor_factory_evdev_dri.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/ozone/platform/dri/cursor_factory_evdev_dri.h"
   6
   7 #include "ui/gfx/geometry/point_conversions.h"
   8 #include "ui/ozone/platform/dri/dri_surface_factory.h"
   9 #include "ui/ozone/platform/dri/hardware_cursor_delegate.h"
  10
  11 namespace ui {
  12
  13 CursorFactoryEvdevDri::CursorFactoryEvdevDri(HardwareCursorDelegate* hardware)
  14     : hardware_(hardware) {
  15   // TODO(dnicoara) Assume the first widget since at this point there are no
  16   // widgets initialized.
  17   cursor_window_ = DriSurfaceFactory::kDefaultWidgetHandle;
  18   cursor_location_ = gfx::PointF(2560 / 2, 1700 / 2);  // TODO(spang): Argh!
  19 }
  20
  21 CursorFactoryEvdevDri::~CursorFactoryEvdevDri() {}
  22
  23 void CursorFactoryEvdevDri::SetBitmapCursor(
  24     gfx::AcceleratedWidget widget,
  25     scoped_refptr<BitmapCursorOzone> cursor) {
  26   if (cursor_ == cursor)
  27     return;
  28
  29   cursor_ = cursor;
  30   if (cursor_)
  31     hardware_->SetHardwareCursor(
  32         cursor_window_, cursor_->bitmap(), bitmap_location());
  33   else
  34     hardware_->SetHardwareCursor(cursor_window_, SkBitmap(), gfx::Point());
  35 }
  36
  37 void CursorFactoryEvdevDri::MoveCursorTo(gfx::AcceleratedWidget widget,
  38                                          const gfx::PointF& location) {
  39   if (widget != cursor_window_)
  40     hardware_->SetHardwareCursor(cursor_window_, SkBitmap(), gfx::Point());
  41
  42   cursor_window_ = widget;
  43   cursor_location_ = location;
  44
  45   gfx::Size size = gfx::Size(2560, 1700);  // TODO(spang): Fix.
  46   cursor_location_.SetToMax(gfx::PointF(0, 0));
  47   cursor_location_.SetToMin(gfx::PointF(size.width(), size.height()));
  48
  49   if (cursor_)
  50     hardware_->MoveHardwareCursor(cursor_window_, bitmap_location());
  51 }
  52
  53 void CursorFactoryEvdevDri::MoveCursor(const gfx::Vector2dF& delta) {
  54   MoveCursorTo(cursor_window_, cursor_location_ + delta);
  55 }
  56
  57 gfx::AcceleratedWidget CursorFactoryEvdevDri::GetCursorWindow() {
  58   return cursor_window_;
  59 }
  60
  61 gfx::PointF CursorFactoryEvdevDri::location() { return cursor_location_; }
  62
  63 gfx::Point CursorFactoryEvdevDri::bitmap_location() {
  64   return gfx::ToFlooredPoint(cursor_location_) -
  65          cursor_->hotspot().OffsetFromOrigin();
  66 }
  67
  68 }  // namespace ui