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// 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/ash_resources.h"
#include "grit/ui_resources.h"
namespace {
const int kAnimatedCursorFrameDelayMs = 25;
struct HotPoint {
int x;
int y;
};
struct CursorData {
int id;
int resource_id;
HotPoint hot_1x;
HotPoint hot_2x;
};
// TODO(oshima): Remove this comment (http://crbug.com/141586).
// 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, {4, 4}, {8, 9}},
{ui::kCursorPointer, IDR_AURA_CURSOR_PTR, {4, 4}, {8, 9}},
{ui::kCursorNoDrop, IDR_AURA_CURSOR_NO_DROP, {4, 4}, {8, 9}},
{ui::kCursorNotAllowed, IDR_AURA_CURSOR_NO_DROP, {4, 4}, {8, 9}},
{ui::kCursorCopy, IDR_AURA_CURSOR_COPY, {4, 4}, {8, 9}},
{ui::kCursorHand, IDR_AURA_CURSOR_HAND, {9, 4}, {19, 8}},
{ui::kCursorMove, IDR_AURA_CURSOR_MOVE, {11, 11}, {23, 23}},
{ui::kCursorNorthEastResize, IDR_AURA_CURSOR_NORTH_EAST_RESIZE,
{12, 11}, {25, 23}},
{ui::kCursorSouthWestResize, IDR_AURA_CURSOR_SOUTH_WEST_RESIZE,
{12, 11}, {25, 23}},
{ui::kCursorSouthEastResize, IDR_AURA_CURSOR_SOUTH_EAST_RESIZE,
{11, 11}, {24, 23}},
{ui::kCursorNorthWestResize, IDR_AURA_CURSOR_NORTH_WEST_RESIZE,
{11, 11}, {24, 23}},
{ui::kCursorNorthResize, IDR_AURA_CURSOR_NORTH_RESIZE, {11, 12}, {23, 23}},
{ui::kCursorSouthResize, IDR_AURA_CURSOR_SOUTH_RESIZE, {11, 12}, {23, 23}},
{ui::kCursorEastResize, IDR_AURA_CURSOR_EAST_RESIZE, {12, 11}, {25, 23}},
{ui::kCursorWestResize, IDR_AURA_CURSOR_WEST_RESIZE, {12, 11}, {25, 23}},
{ui::kCursorIBeam, IDR_AURA_CURSOR_IBEAM, {12, 12}, {24, 25}},
{ui::kCursorAlias, IDR_AURA_CURSOR_ALIAS, {8, 6}, {15, 11}},
{ui::kCursorCell, IDR_AURA_CURSOR_CELL, {11, 11}, {24, 23}},
{ui::kCursorContextMenu, IDR_AURA_CURSOR_CONTEXT_MENU, {4, 4}, {8, 9}},
{ui::kCursorCross, IDR_AURA_CURSOR_CROSSHAIR, {12, 12}, {25, 23}},
{ui::kCursorHelp, IDR_AURA_CURSOR_HELP, {4, 4}, {8, 9}},
{ui::kCursorVerticalText, IDR_AURA_CURSOR_XTERM_HORIZ, {12, 11}, {26, 23}},
{ui::kCursorZoomIn, IDR_AURA_CURSOR_ZOOM_IN, {10, 10}, {20, 20}},
{ui::kCursorZoomOut, IDR_AURA_CURSOR_ZOOM_OUT, {10, 10}, {20, 20}},
{ui::kCursorRowResize, IDR_AURA_CURSOR_ROW_RESIZE, {11, 12}, {23, 23}},
{ui::kCursorColumnResize, IDR_AURA_CURSOR_COL_RESIZE, {12, 11}, {25, 23}},
{ui::kCursorEastWestResize, IDR_AURA_CURSOR_EAST_WEST_RESIZE,
{12, 11}, {25, 23}},
{ui::kCursorNorthSouthResize, IDR_AURA_CURSOR_NORTH_SOUTH_RESIZE,
{11, 12}, {23, 23}},
{ui::kCursorNorthEastSouthWestResize,
IDR_AURA_CURSOR_NORTH_EAST_SOUTH_WEST_RESIZE, {12, 11}, {25, 23}},
{ui::kCursorNorthWestSouthEastResize,
IDR_AURA_CURSOR_NORTH_WEST_SOUTH_EAST_RESIZE, {11, 11}, {24, 23}},
{ui::kCursorGrab, IDR_AURA_CURSOR_GRAB, {8, 5}, {16, 10}},
{ui::kCursorGrabbing, IDR_AURA_CURSOR_GRABBING, {9, 9}, {18, 18}},
};
const CursorData kAnimatedCursors[] = {
{ui::kCursorWait, IDR_THROBBER, {7, 7}, {14, 14}},
{ui::kCursorProgress, IDR_THROBBER, {7, 7}, {14, 14}},
};
} // namespace
namespace ash {
ImageCursors::ImageCursors() {
}
ImageCursors::~ImageCursors() {
}
float ImageCursors::GetDeviceScaleFactor() const {
if (!cursor_loader_.get()) {
NOTREACHED();
// Returning 1.0f on release build as it's not serious enough to crash
// even if this ever happens.
return 1.0f;
}
return cursor_loader_->device_scale_factor();
}
bool ImageCursors::SetDeviceScaleFactor(float device_scale_factor) {
if (!cursor_loader_.get())
cursor_loader_.reset(ui::CursorLoader::Create());
else if (GetDeviceScaleFactor() == device_scale_factor)
return false;
cursor_loader_->UnloadAll();
cursor_loader_->set_device_scale_factor(device_scale_factor);
for (size_t i = 0; i < arraysize(kImageCursors); ++i) {
const HotPoint& hot = device_scale_factor == 1.0f ?
kImageCursors[i].hot_1x : kImageCursors[i].hot_2x;
cursor_loader_->LoadImageCursor(kImageCursors[i].id,
kImageCursors[i].resource_id,
gfx::Point(hot.x, hot.y));
}
for (size_t i = 0; i < arraysize(kAnimatedCursors); ++i) {
const HotPoint& hot = device_scale_factor == 1.0f ?
kAnimatedCursors[i].hot_1x : kAnimatedCursors[i].hot_2x;
cursor_loader_->LoadAnimatedCursor(kAnimatedCursors[i].id,
kAnimatedCursors[i].resource_id,
gfx::Point(hot.x, hot.y),
kAnimatedCursorFrameDelayMs);
}
return true;
}
void ImageCursors::SetPlatformCursor(gfx::NativeCursor* cursor) {
cursor_loader_->SetPlatformCursor(cursor);
}
} // namespace ash
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