1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309
#![feature(try_trait,unboxed_closures)] #![allow( non_camel_case_types, non_upper_case_globals, non_snake_case, dead_code, unused_variables, unused_must_use )] #[cfg(feature = "image")] extern crate image; #[cfg(feature = "image")] use image::ImageBuffer; pub extern crate ul_sys as ul; pub mod helpers; pub mod config; use helpers::{ evaluate_script, set_js_object_property, create_js_function, }; use std::{ option::NoneError, os::raw::c_void, }; mod helpers_internal; use helpers_internal::{ log_forward_cb, unpack_closure_view_cb, }; pub type Renderer = ul::ULRenderer; pub type View = ul::ULView; pub type Config = config::UltralightConfig; pub struct Ultralight { config: Config, renderer: Renderer, view: Option<View>, } impl Ultralight { pub fn new(config: Option<Config>, renderer: Option<Renderer>) -> Ultralight { let ulconfig = match config { Some(config) => config, None => Config::new() }; let used_renderer = match renderer { Some(renderer) => renderer, None => { unsafe { ul::ulCreateRenderer(ulconfig.to_ulconfig()) } } }; Ultralight { config: ulconfig, renderer: used_renderer, view: None } } pub fn view(&mut self, width: u32, height: u32, transparent: bool) { unsafe { self.view = Some(ul::ulCreateView(self.renderer, width, height, transparent)); } } pub fn load_url(&mut self, url: &'static str) -> Result<(), NoneError> { unsafe { let url_str = std::ffi::CString::new( url ).unwrap(); let url = ul::ulCreateString( url_str.as_ptr() ); ul::ulViewLoadURL(self.view?, url); } Ok(()) } pub fn load_html(&mut self, code: &'static str) -> Result<(), NoneError> { unsafe { let code_str = std::ffi::CString::new( code ).unwrap(); let code = ul::ulCreateString( code_str.as_ptr() ); ul::ulViewLoadHTML(self.view?, code); } Ok(()) } pub fn update(&mut self) { unsafe { ul::ulUpdate(self.renderer); } } pub fn update_until_loaded(&mut self) -> Result<(), NoneError> { unsafe { while ul::ulViewIsLoading(self.view?) { ul::ulUpdate(self.renderer); } } Ok(()) } pub fn render(&mut self) { unsafe { ul::ulRender(self.renderer); } } pub fn scroll(&mut self, delta_x: i32, delta_y: i32) -> Result<(), NoneError> { unsafe { let scrollEvent = ul::ulCreateScrollEvent( ul::ULScrollEventType_kScrollEventType_ScrollByPixel, delta_x, delta_y ); ul::ulViewFireScrollEvent(self.view?, scrollEvent); ul::ulDestroyScrollEvent(scrollEvent); Ok(()) } } pub fn get_scroll_height(&mut self) -> Result<f64, NoneError> { unsafe { let (jsgctx, _) = helpers::getJSContextFromView(self.view?); Ok(ul::JSValueToNumber( jsgctx, self.evaluate_script("document.body.scrollHeight").unwrap(), std::ptr::null_mut() )) } } pub fn set_finish_loading_callback<T>(&mut self, mut cb: T) -> Result<(), NoneError> where T: FnMut(View) { let view = self.view?; unsafe { let ( cb_closure, cb_function ) = unpack_closure_view_cb(&mut cb); ul::ulViewSetFinishLoadingCallback( view, Some(cb_function), cb_closure ); } Ok(()) } pub fn set_dom_ready_callback<T>(&mut self, mut cb: T) -> Result<(), NoneError> where T: FnMut(View) { let view = self.view?; unsafe { let ( cb_closure, cb_function ) = unpack_closure_view_cb(&mut cb); ul::ulViewSetDOMReadyCallback( view, Some(cb_function), cb_closure ); } Ok(()) } pub fn create_function<T>( &mut self, name: &'static str, hook: &mut T ) -> Result<ul::JSObjectRef, NoneError> where T: FnMut( ul::JSContextRef, ul::JSObjectRef, ul::JSObjectRef, usize, *const ul::JSValueRef, *mut ul::JSValueRef, ) -> ul::JSValueRef { Ok( create_js_function( self.view?, name, hook ) ) } pub fn set_js_object_property( &mut self, name: &'static str, object: ul::JSObjectRef ) -> Result<(), NoneError> { set_js_object_property( self.view?, name, object ); Ok(()) } pub fn evaluate_script( &mut self, script: &'static str, ) -> Result<ul::JSValueRef, NoneError> { Ok(evaluate_script(self.view?, script)) } pub fn get_raw_pixels(&mut self) -> Result<Vec<u8>, NoneError> { unsafe { let bitmap_obj = ul::ulViewGetBitmap( self.view? ); let bitmap = ul::ulBitmapLockPixels(bitmap_obj); let bitmap_size = ul::ulBitmapGetSize(bitmap_obj); let bitmap_raw = std::slice::from_raw_parts_mut( bitmap as *mut u8, bitmap_size, ); ul::ulBitmapUnlockPixels(bitmap_obj); Ok(bitmap_raw.to_vec()) } } pub fn write_png_to_file( &mut self, file_name: &'static str, ) -> Result<bool, NoneError> { unsafe { let bitmap_obj = ul::ulViewGetBitmap( self.view? ); let bitmap = ul::ulBitmapLockPixels(bitmap_obj); let bitmap_size = ul::ulBitmapGetSize(bitmap_obj); let bitmap_raw = std::slice::from_raw_parts_mut( bitmap as *mut u8, bitmap_size, ); let fn_c_str = std::ffi::CString::new(file_name).unwrap(); Ok( ul::ulBitmapWritePNG( bitmap_obj, fn_c_str.as_ptr() ) ) } } pub fn is_loading(&self) -> bool { match self.view { Some(view) => unsafe { ul::ulViewIsLoading(view) }, None => false } } pub fn log_to_stdout(&mut self) -> Result<(), NoneError> { unsafe { ul::ulViewSetAddConsoleMessageCallback( self.view?, Some(log_forward_cb), std::ptr::null_mut() as *mut c_void ); } Ok(()) } }