Move ash specific cursor code to CursorManager.

ash/wm/image_cursors.cc

+// Copyright (c) 2012 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 "ash/wm/image_cursors.h"
+
+#include "base/logging.h"
+#include "ui/base/cursor/cursor_loader.h"
+#include "ui/base/cursor/cursor.h"
+#include "ui/gfx/point.h"
+#include "grit/ui_resources.h"
+
+namespace {
+
+const int kAnimatedCursorFrameDelayMs = 25;
+
+struct CursorData {
+  int id;
+  int resource_id;
+  gfx::Point hot_1x;
+  gfx::Point hot_2x;

[oshima, 2012/09/07 23:08:20]

this unfortunately will cause a lot of static reinitializer calls. Since it's
simple two integers, just define local struct. It'd also be clearner(since it'll
be just {4, 4}, {8, 9} etc.

[mazda, 2012/09/08 00:27:02]

Oh, I see. Replaced gfx::Point with a local struct.

+};
+
+// The cursor's hot points are defined in chromeos cursor images at:
+// http://folder/kuscher/projects/Chrome_OS/Pointers/focuspoint
+const CursorData kImageCursors[] = {
+  {ui::kCursorNull, IDR_AURA_CURSOR_PTR,
+   gfx::Point(4, 4), gfx::Point(8, 9)},
+  {ui::kCursorPointer, IDR_AURA_CURSOR_PTR,
+   gfx::Point(4, 4), gfx::Point(8, 9)},
+  {ui::kCursorNoDrop, IDR_AURA_CURSOR_NO_DROP,
+   gfx::Point(4, 4), gfx::Point(8, 9)},
+  {ui::kCursorNotAllowed, IDR_AURA_CURSOR_NO_DROP,
+   gfx::Point(4, 4), gfx::Point(8, 9)},
+  {ui::kCursorCopy, IDR_AURA_CURSOR_COPY,
+   gfx::Point(4, 4), gfx::Point(8, 9)},
+  {ui::kCursorHand, IDR_AURA_CURSOR_HAND,
+   gfx::Point(9, 4), gfx::Point(19, 8)},
+  {ui::kCursorMove, IDR_AURA_CURSOR_MOVE,
+   gfx::Point(11, 11), gfx::Point(23, 23)},
+  {ui::kCursorNorthEastResize, IDR_AURA_CURSOR_NORTH_EAST_RESIZE,
+   gfx::Point(12, 11), gfx::Point(25, 23)},
+  {ui::kCursorSouthWestResize, IDR_AURA_CURSOR_SOUTH_WEST_RESIZE,
+   gfx::Point(12, 11), gfx::Point(25, 23)},
+  {ui::kCursorSouthEastResize, IDR_AURA_CURSOR_SOUTH_EAST_RESIZE,
+   gfx::Point(11, 11), gfx::Point(24, 23)},
+  {ui::kCursorNorthWestResize, IDR_AURA_CURSOR_NORTH_WEST_RESIZE,
+   gfx::Point(11, 11), gfx::Point(24, 23)},
+  {ui::kCursorNorthResize, IDR_AURA_CURSOR_NORTH_RESIZE,
+   gfx::Point(11, 12), gfx::Point(23, 23)},
+  {ui::kCursorSouthResize, IDR_AURA_CURSOR_SOUTH_RESIZE,
+   gfx::Point(11, 12), gfx::Point(23, 23)},
+  {ui::kCursorEastResize, IDR_AURA_CURSOR_EAST_RESIZE,
+   gfx::Point(12, 11), gfx::Point(25, 23)},
+  {ui::kCursorWestResize, IDR_AURA_CURSOR_WEST_RESIZE,
+   gfx::Point(12, 11), gfx::Point(25, 23)},
+  {ui::kCursorIBeam, IDR_AURA_CURSOR_IBEAM,
+   gfx::Point(12, 12), gfx::Point(24, 25)},
+  {ui::kCursorAlias, IDR_AURA_CURSOR_ALIAS,
+   gfx::Point(8, 6), gfx::Point(15, 11)},
+  {ui::kCursorCell, IDR_AURA_CURSOR_CELL,
+   gfx::Point(11, 11), gfx::Point(24, 23)},
+  {ui::kCursorContextMenu, IDR_AURA_CURSOR_CONTEXT_MENU,
+   gfx::Point(4, 4), gfx::Point(8, 9)},
+  {ui::kCursorCross, IDR_AURA_CURSOR_CROSSHAIR,
+   gfx::Point(12, 12), gfx::Point(25, 23)},
+  {ui::kCursorHelp, IDR_AURA_CURSOR_HELP,
+   gfx::Point(4, 4), gfx::Point(8, 9)},
+  {ui::kCursorVerticalText, IDR_AURA_CURSOR_XTERM_HORIZ,
+   gfx::Point(12, 11), gfx::Point(26, 23)},
+  {ui::kCursorZoomIn, IDR_AURA_CURSOR_ZOOM_IN,
+   gfx::Point(10, 10), gfx::Point(20, 20)},
+  {ui::kCursorZoomOut, IDR_AURA_CURSOR_ZOOM_OUT,
+   gfx::Point(10, 10), gfx::Point(20, 20)},
+  {ui::kCursorRowResize, IDR_AURA_CURSOR_ROW_RESIZE,
+   gfx::Point(11, 12), gfx::Point(23, 23)},
+  {ui::kCursorColumnResize, IDR_AURA_CURSOR_COL_RESIZE,
+   gfx::Point(12, 11), gfx::Point(25, 23)},
+  {ui::kCursorEastWestResize, IDR_AURA_CURSOR_EAST_WEST_RESIZE,
+   gfx::Point(12, 11), gfx::Point(25, 23)},
+  {ui::kCursorNorthSouthResize, IDR_AURA_CURSOR_NORTH_SOUTH_RESIZE,
+   gfx::Point(11, 12), gfx::Point(23, 23)},
+  {ui::kCursorNorthEastSouthWestResize,
+   IDR_AURA_CURSOR_NORTH_EAST_SOUTH_WEST_RESIZE,
+   gfx::Point(12, 11), gfx::Point(25, 23)},
+  {ui::kCursorNorthWestSouthEastResize,
+   IDR_AURA_CURSOR_NORTH_WEST_SOUTH_EAST_RESIZE,
+   gfx::Point(11, 11), gfx::Point(24, 23)},
+  {ui::kCursorGrab, IDR_AURA_CURSOR_GRAB,
+   gfx::Point(8, 5), gfx::Point(16, 10)},
+  {ui::kCursorGrabbing, IDR_AURA_CURSOR_GRABBING,
+   gfx::Point(9, 9), gfx::Point(18, 18)},
+};
+
+const CursorData kAnimatedCursors[] = {
+  {ui::kCursorWait, IDR_THROBBER, gfx::Point(7, 7), gfx::Point(14, 14)},
+  {ui::kCursorProgress, IDR_THROBBER, gfx::Point(7, 7), gfx::Point(14, 14)},
+};
+
+}  // namespace
+
+namespace ash {
+
+ImageCursors::ImageCursors()
+    : cursor_loader_(ui::CursorLoader::Create()) {
+}
+
+ImageCursors::~ImageCursors() {
+}
+
+float ImageCursors::GetDeviceScaleFactor() const {
+  return cursor_loader_->device_scale_factor();
+}
+
+void ImageCursors::SetDeviceScaleFactor(float device_scale_factor) {
+  if (GetDeviceScaleFactor() == device_scale_factor)
+    return;
+
+  cursor_loader_->UnloadAll();
+  cursor_loader_->set_device_scale_factor(device_scale_factor);
+
+  for (size_t i = 0; i < arraysize(kImageCursors); ++i) {
+    const gfx::Point& hot = device_scale_factor == 1.0f ?
+        kImageCursors[i].hot_1x : kImageCursors[i].hot_2x;
+    cursor_loader_->LoadImageCursor(kImageCursors[i].id,
+                                    kImageCursors[i].resource_id,
+                                    hot);
+  }
+  for (size_t i = 0; i < arraysize(kAnimatedCursors); ++i) {
+    const gfx::Point& hot = device_scale_factor == 1.0f ?
+        kAnimatedCursors[i].hot_1x : kAnimatedCursors[i].hot_2x;
+    cursor_loader_->LoadAnimatedCursor(kAnimatedCursors[i].id,
+                                       kAnimatedCursors[i].resource_id,
+                                       hot,
+                                       kAnimatedCursorFrameDelayMs);
+  }
+}
+
+void ImageCursors::SetPlatformCursor(gfx::NativeCursor* cursor) {
+  cursor_loader_->SetPlatformCursor(cursor);
+}
+
+}  // namespace ash