blob: 5b572e608109822a5fcfd34bfa91ba118a129221 [file] [log] [blame]
// 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/base/cursor/image_cursors.h"
#include <float.h>
#include <stddef.h>
#include "base/logging.h"
#include "base/stl_util.h"
#include "base/strings/string16.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/cursor/cursor_loader.h"
#include "ui/base/cursor/cursors_aura.h"
#include "ui/display/display.h"
#include "ui/gfx/geometry/point.h"
namespace ui {
namespace {
const CursorType kImageCursorIds[] = {
CursorType::kNull,
CursorType::kPointer,
CursorType::kNoDrop,
CursorType::kNotAllowed,
CursorType::kCopy,
CursorType::kHand,
CursorType::kMove,
CursorType::kNorthEastResize,
CursorType::kSouthWestResize,
CursorType::kSouthEastResize,
CursorType::kNorthWestResize,
CursorType::kNorthResize,
CursorType::kSouthResize,
CursorType::kEastResize,
CursorType::kWestResize,
CursorType::kIBeam,
CursorType::kAlias,
CursorType::kCell,
CursorType::kContextMenu,
CursorType::kCross,
CursorType::kHelp,
CursorType::kVerticalText,
CursorType::kZoomIn,
CursorType::kZoomOut,
CursorType::kRowResize,
CursorType::kColumnResize,
CursorType::kEastWestResize,
CursorType::kNorthSouthResize,
CursorType::kNorthEastSouthWestResize,
CursorType::kNorthWestSouthEastResize,
CursorType::kGrab,
CursorType::kGrabbing,
};
const CursorType kAnimatedCursorIds[] = {CursorType::kWait,
CursorType::kProgress};
} // namespace
ImageCursors::ImageCursors() : cursor_size_(CursorSize::kNormal) {}
ImageCursors::~ImageCursors() {
}
void ImageCursors::Initialize() {
if (!cursor_loader_)
cursor_loader_.reset(CursorLoader::Create());
}
float ImageCursors::GetScale() const {
if (!cursor_loader_) {
NOTREACHED();
// Returning default on release build as it's not serious enough to crash
// even if this ever happens.
return 1.0f;
}
return cursor_loader_->scale();
}
display::Display::Rotation ImageCursors::GetRotation() const {
if (!cursor_loader_) {
NOTREACHED();
// Returning default on release build as it's not serious enough to crash
// even if this ever happens.
return display::Display::ROTATE_0;
}
return cursor_loader_->rotation();
}
bool ImageCursors::SetDisplay(const display::Display& display,
float scale_factor) {
if (!cursor_loader_) {
cursor_loader_.reset(CursorLoader::Create());
} else if (cursor_loader_->rotation() == display.rotation() &&
cursor_loader_->scale() == scale_factor) {
return false;
}
cursor_loader_->set_rotation(display.rotation());
cursor_loader_->set_scale(scale_factor);
ReloadCursors();
return true;
}
void ImageCursors::ReloadCursors() {
float device_scale_factor = cursor_loader_->scale();
cursor_loader_->UnloadAll();
for (size_t i = 0; i < base::size(kImageCursorIds); ++i) {
int resource_id = -1;
gfx::Point hot_point;
bool success =
GetCursorDataFor(cursor_size_, kImageCursorIds[i], device_scale_factor,
&resource_id, &hot_point);
DCHECK(success);
cursor_loader_->LoadImageCursor(kImageCursorIds[i], resource_id, hot_point);
}
for (size_t i = 0; i < base::size(kAnimatedCursorIds); ++i) {
int resource_id = -1;
gfx::Point hot_point;
bool success =
GetAnimatedCursorDataFor(cursor_size_, kAnimatedCursorIds[i],
device_scale_factor, &resource_id, &hot_point);
DCHECK(success);
cursor_loader_->LoadAnimatedCursor(kAnimatedCursorIds[i],
resource_id,
hot_point,
kAnimatedCursorFrameDelayMs);
}
}
void ImageCursors::SetCursorSize(CursorSize cursor_size) {
if (cursor_size_ == cursor_size)
return;
cursor_size_ = cursor_size;
if (cursor_loader_.get())
ReloadCursors();
}
void ImageCursors::SetPlatformCursor(gfx::NativeCursor* cursor) {
cursor_loader_->SetPlatformCursor(cursor);
}
base::WeakPtr<ImageCursors> ImageCursors::GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
} // namespace ui