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/* Copyright (c) 2011 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.
*/
/**
* This file defines the <code>PPB_CursorControl_Dev</code> interface
* implemented by the browser for controlling the cursor.
*/
label Chrome {
M14 = 0.4
};
[macro="PPB_CURSOR_CONTROL_DEV_INTERFACE"]
interface PPB_CursorControl_Dev {
/**
* Set a cursor. If "type" is PP_CURSORTYPE_CUSTOM, then "custom_image"
* must be an ImageData resource containing the cursor and "hot_spot" must
* contain the offset within that image that refers to the cursor's position.
*/
PP_Bool SetCursor([in] PP_Instance instance,
[in] PP_CursorType_Dev type,
[in] PP_Resource custom_image,
[in] PP_Point hot_spot);
/**
* This method causes the cursor to be moved to the center of the
* instance and be locked, preventing the user from moving it.
* The cursor is implicitly hidden from the user while locked.
* Cursor lock may only be requested in response to a
* PP_InputEvent_MouseDown, and then only if the event was generated via
* user gesture.
*
* While the cursor is locked, any movement of the mouse will
* generate a PP_InputEvent_Type_MouseMove, whose x and y values
* indicate the position the cursor would have been moved to had
* the cursor not been locked, and had the screen been infinite in size.
*
* The browser may revoke cursor lock for reasons including but not
* limited to the user pressing the ESC key, the user activating
* another program via a reserved keystroke (e.g., ALT+TAB), or
* some other system event.
*
* Returns PP_TRUE if the cursor could be locked, PP_FALSE otherwise.
*/
PP_Bool LockCursor([in] PP_Instance instance);
/**
* Causes the cursor to be unlocked, allowing it to track user
* movement again.
*/
PP_Bool UnlockCursor([in] PP_Instance instance);
/**
* Returns PP_TRUE if the cursor is locked, PP_FALSE otherwise.
*/
PP_Bool HasCursorLock([in] PP_Instance instance);
/**
* Returns PP_TRUE if the cursor can be locked, PP_FALSE otherwise.
*/
PP_Bool CanLockCursor([in] PP_Instance instance);
};
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