blob: 71e7e2237d7d31acb1952699f6ff2eef5a0e8f0d [file] [log] [blame]
// 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.
#ifndef UI_BASE_CURSOR_CURSOR_LOADER_H_
#define UI_BASE_CURSOR_CURSOR_LOADER_H_
#include "base/logging.h"
#include "base/macros.h"
#include "base/strings/string16.h"
#include "ui/base/cursor/types/cursor_types.h"
#include "ui/base/ui_base_export.h"
#include "ui/display/display.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/native_widget_types.h"
namespace ui {
class UI_BASE_EXPORT CursorLoader {
public:
CursorLoader() : scale_(1.f), rotation_(display::Display::ROTATE_0) {}
virtual ~CursorLoader() {}
display::Display::Rotation rotation() const { return rotation_; }
void set_rotation(display::Display::Rotation rotation) {
rotation_ = rotation;
}
// Returns the current scale of the mouse cursor icon.
float scale() const {
return scale_;
}
// Sets the scale of the mouse cursor icon.
void set_scale(const float scale) {
scale_ = scale;
}
// Creates a cursor from an image resource and puts it in the cursor map.
virtual void LoadImageCursor(CursorType id,
int resource_id,
const gfx::Point& hot) = 0;
// Creates an animated cursor from an image resource and puts it in the
// cursor map. The image is assumed to be a concatenation of animation frames
// from left to right. Also, each frame is assumed to be square
// (width == height).
// |frame_delay_ms| is the delay between frames in millisecond.
virtual void LoadAnimatedCursor(CursorType id,
int resource_id,
const gfx::Point& hot,
int frame_delay_ms) = 0;
// Unloads all the cursors.
virtual void UnloadAll() = 0;
// Sets the platform cursor based on the native type of |cursor|.
virtual void SetPlatformCursor(gfx::NativeCursor* cursor) = 0;
// Creates a CursorLoader.
static CursorLoader* Create();
private:
// The current scale of the mouse cursor icon.
float scale_;
// The current rotation of the mouse cursor icon.
display::Display::Rotation rotation_;
DISALLOW_COPY_AND_ASSIGN(CursorLoader);
};
} // namespace ui
#endif // UI_BASE_CURSOR_CURSOR_LOADER_H_