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// 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.
#ifndef REMOTING_IOS_UI_CURSOR_TEXTURE_H_
#define REMOTING_IOS_UI_CURSOR_TEXTURE_H_
#import <Foundation/Foundation.h>
#import <GLKit/GLKit.h>
#import "base/memory/scoped_ptr.h"
#import "remoting/ios/utility.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h"
@interface CursorTexture : NSObject {
@private
// GL name
GLuint _textureId;
webrtc::DesktopSize _textureSize;
BOOL _needInitialize;
// The current cursor
scoped_ptr<webrtc::MouseCursor> _cursor;
BOOL _needCursorRedraw;
// Rectangle of the most recent cursor drawn to a GL Texture. On each
// successive frame when a new cursor is available this region is cleared on
// the GL Texture, so that the GL Texture is completely transparent again, and
// the cursor is then redrawn.
webrtc::DesktopRect _cursorDrawnToGL;
}
- (const webrtc::DesktopSize&)textureSize;
- (void)setTextureSize:(const webrtc::DesktopSize&)size;
- (const webrtc::MouseCursor&)cursor;
- (void)setCursor:(webrtc::MouseCursor*)cursor;
// bind this object to an effect's via the effects properties
- (void)bindToEffect:(GLKEffectPropertyTexture*)effectProperty;
// True if the cursor has changed in a way that requires it to be redrawn
- (BOOL)needDrawAtPosition:(const webrtc::DesktopVector&)position;
// needDrawAtPosition must be checked prior to calling drawWithMousePosition.
// Draw mouse at the new position.
- (void)drawWithMousePosition:(const webrtc::DesktopVector&)position;
- (void)releaseTexture;
@end
#endif // REMOTING_IOS_UI_CURSOR_TEXTURE_H_
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