goog.require('goog.userAgent');

goog.provide('ol');


/**
 * Constants defined with the define tag cannot be changed in application
 * code, but can be set at compile time.
 * Some reduce the size of the build in advanced compile mode.
 */


/**
 * @define {boolean} Assume touch.  Default is `false`.
 */
ol.ASSUME_TOUCH = false;


/**
 * @define {boolean} Replace unused entries with NaNs.
 */
ol.BUFFER_REPLACE_UNUSED_ENTRIES_WITH_NANS = goog.DEBUG;


/**
 * TODO: rename this to something having to do with tile grids
 * see https://github.com/openlayers/ol3/issues/2076
 * @define {number} Default maximum zoom for default tile grids.
 */
ol.DEFAULT_MAX_ZOOM = 42;


/**
 * @define {number} Default min zoom level for the map view.  Default is `0`.
 */
ol.DEFAULT_MIN_ZOOM = 0;


/**
 * @define {number} Default high water mark.
 */
ol.DEFAULT_TILE_CACHE_HIGH_WATER_MARK = 2048;


/**
 * @define {number} Default tile size.
 */
ol.DEFAULT_TILE_SIZE = 256;


/**
 * @define {string} Default WMS version.
 */
ol.DEFAULT_WMS_VERSION = '1.3.0';


/**
 * @define {number} Drag-rotate-zoom animation duration.
 */
ol.DRAGROTATEANDZOOM_ANIMATION_DURATION = 400;


/**
 * @define {number} Drag-rotate animation duration.
 */
ol.DRAGROTATE_ANIMATION_DURATION = 250;


/**
 * @define {number} Drag-zoom animation duration.
 */
ol.DRAGZOOM_ANIMATION_DURATION = 200;


/**
 * @define {number} Hysterisis pixels.
 */
ol.DRAG_BOX_HYSTERESIS_PIXELS = 8;


/**
 * @define {boolean} Enable the Canvas renderer.  Default is `true`. Setting
 *     this to false at compile time in advanced mode removes all code
 *     supporting the Canvas renderer from the build.
 */
ol.ENABLE_CANVAS = true;


/**
 * @define {boolean} Enable the DOM renderer (used as a fallback where Canvas is
 *     not available).  Default is `true`. Setting this to false at compile time
 *     in advanced mode removes all code supporting the DOM renderer from the
 *     build.
 */
ol.ENABLE_DOM = true;


/**
 * @define {boolean} Enable rendering of ol.layer.Image based layers.  Default
 *     is `true`. Setting this to false at compile time in advanced mode removes
 *     all code supporting Image layers from the build.
 */
ol.ENABLE_IMAGE = true;


/**
 * @define {boolean} Enable named colors.  Enabling named colors adds about 3KB
 *     uncompressed / 1.5KB compressed to the final build size.  Default is
 *     `false`.
 */
ol.ENABLE_NAMED_COLORS = false;


/**
 * @define {boolean} Enable integration with the Proj4js library.  Default is
 *     `true`.
 */
ol.ENABLE_PROJ4JS = true;


/**
 * @define {boolean} Enable rendering of ol.layer.Tile based layers.  Default is
 *     `true`. Setting this to false at compile time in advanced mode removes
 *     all code supporting Tile layers from the build.
 */
ol.ENABLE_TILE = true;


/**
 * @define {boolean} Enable rendering of ol.layer.Vector based layers.  Default
 *     is `true`. Setting this to false at compile time in advanced mode removes
 *     all code supporting Vector layers from the build.
 */
ol.ENABLE_VECTOR = true;


/**
 * @define {boolean} Enable the WebGL renderer.  Default is `true`. Setting
 *     this to false at compile time in advanced mode removes all code
 *     supporting the WebGL renderer from the build.
 */
ol.ENABLE_WEBGL = true;


/**
 * @define {boolean} Support legacy IE (7-8).  Default is `false`.
 */
ol.LEGACY_IE_SUPPORT = false;


/**
 * The page is loaded using HTTPS.
 * @const
 * @type {boolean}
 */
ol.IS_HTTPS = goog.global.location.protocol === 'https:';


/**
 * Whether the current browser is legacy IE
 * @const
 * @type {boolean}
 */
ol.IS_LEGACY_IE = goog.userAgent.IE &&
    !goog.userAgent.isVersionOrHigher('9.0') && goog.userAgent.VERSION !== '';


/**
 * @define {number} Keyboard pan duration.
 */
ol.KEYBOARD_PAN_DURATION = 100;


/**
 * @define {number} Maximum mouse wheel delta.
 */
ol.MOUSEWHEELZOOM_MAXDELTA = 1;


/**
 * @define {number} Mouse wheel timeout duration.
 */
ol.MOUSEWHEELZOOM_TIMEOUT_DURATION = 80;


/**
 * @define {number} Rotate animation duration.
 */
ol.ROTATE_ANIMATION_DURATION = 250;


/**
 * @define {number} Tolerance for geometry simplification in device pixels.
 */
ol.SIMPLIFY_TOLERANCE = 0.5;


/**
 * @define {number} Texture cache high water mark.
 */
ol.WEBGL_TEXTURE_CACHE_HIGH_WATER_MARK = 1024;


/**
 * @define {number} Zoom slider animation duration.
 */
ol.ZOOMSLIDER_ANIMATION_DURATION = 200;


/**
 * ol.inherits is an alias to the goog.inherits function. It is exported
 * for use in non-compiled application code.
 *
 * FIXME: We use a new line to fake the linter. Without the new line the
 * linter complains with:
 *
 * "Missing newline between constructor and goog.inherits"
 * @api
 */
ol.inherits =
    goog.inherits;