зеркало из https://github.com/mozilla/gecko-dev.git
562 строки
22 KiB
Rust
562 строки
22 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! Off-screen windows.
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//!
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//! This is used for off-screen rendering mode only; on-screen windows (the default embedding mode)
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//! are managed by a platform toolkit (Glutin).
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#[cfg(target_os="linux")]
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use core::CEF_APP;
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use eutil::Downcast;
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#[cfg(target_os="linux")]
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use interfaces::CefApp;
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use interfaces::CefBrowser;
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use render_handler::CefRenderHandlerExtensions;
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use types::{cef_cursor_handle_t, cef_cursor_type_t, cef_rect_t};
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use wrappers::CefWrap;
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use compositing::compositor_thread::EventLoopWaker;
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use compositing::windowing::{WindowEvent, WindowMethods};
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use euclid::{Point2D, TypedPoint2D, Size2D, TypedSize2D, ScaleFactor};
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use gleam::gl;
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use msg::constellation_msg::{Key, KeyModifiers};
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use net_traits::net_error_list::NetError;
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use script_traits::LoadData;
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use servo::BrowserId;
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use servo::ipc_channel::ipc::IpcSender;
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use servo_geometry::DeviceIndependentPixel;
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use std::cell::RefCell;
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use std::ffi::CString;
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use std::os::raw::{c_char, c_void};
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use std::ptr;
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use std::rc::Rc;
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use servo_url::ServoUrl;
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use style_traits::cursor::Cursor;
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use style_traits::DevicePixel;
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#[cfg(target_os="linux")]
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extern crate x11;
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#[cfg(target_os="linux")]
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use self::x11::xlib::{XInitThreads,XOpenDisplay};
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use webrender_api::{DeviceUintSize, DeviceUintRect};
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#[cfg(target_os="linux")]
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pub static mut DISPLAY: *mut c_void = 0 as *mut c_void;
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/// The type of an off-screen window.
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#[derive(Clone)]
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pub struct Window {
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cef_browser: RefCell<Option<CefBrowser>>,
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size: DeviceUintSize,
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gl: Rc<gl::Gl>,
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}
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#[cfg(target_os="macos")]
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fn load_gl() -> Rc<gl::Gl> {
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const RTLD_DEFAULT: *mut c_void = (-2isize) as usize as *mut c_void;
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extern {
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fn dlsym(handle: *mut c_void, symbol: *const c_char) -> *mut c_void;
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}
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unsafe {
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gl::GlFns::load_with(|s| {
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let c_str = CString::new(s).unwrap();
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dlsym(RTLD_DEFAULT, c_str.as_ptr()) as *const c_void
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})
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}
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}
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#[cfg(target_os="linux")]
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fn load_gl() -> Rc<gl::Gl> {
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extern {
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fn glXGetProcAddress(symbol: *const c_char) -> *mut c_void;
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}
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unsafe {
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gl::GlFns::load_with(|s| {
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let c_str = CString::new(s).unwrap();
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glXGetProcAddress(c_str.as_ptr()) as *const c_void
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})
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}
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}
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impl Window {
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/// Creates a new window.
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pub fn new(width: u32, height: u32) -> Rc<Window> {
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let gl = load_gl();
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Rc::new(Window {
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cef_browser: RefCell::new(None),
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size: TypedSize2D::new(width, height),
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gl: gl,
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})
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}
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/// Sets the current browser.
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pub fn set_browser(&self, browser: CefBrowser) {
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*self.cef_browser.borrow_mut() = Some(browser)
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}
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/// Currently unimplemented.
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pub fn wait_events(&self) -> Vec<WindowEvent> {
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vec![WindowEvent::Idle]
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}
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fn cursor_type_for_cursor(&self, cursor: Cursor) -> cef_cursor_type_t {
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match cursor {
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Cursor::None => return cef_cursor_type_t::CT_NONE,
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Cursor::ContextMenu => return cef_cursor_type_t::CT_CONTEXTMENU,
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Cursor::Grabbing => return cef_cursor_type_t::CT_GRABBING,
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Cursor::Crosshair => return cef_cursor_type_t::CT_CROSS,
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Cursor::Copy => return cef_cursor_type_t::CT_COPY,
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Cursor::Alias => return cef_cursor_type_t::CT_ALIAS,
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Cursor::Text => return cef_cursor_type_t::CT_IBEAM,
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Cursor::Grab | Cursor::AllScroll =>
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return cef_cursor_type_t::CT_GRAB,
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Cursor::NoDrop => return cef_cursor_type_t::CT_NODROP,
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Cursor::NotAllowed => return cef_cursor_type_t::CT_NOTALLOWED,
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Cursor::Pointer => return cef_cursor_type_t::CT_POINTER,
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Cursor::SResize => return cef_cursor_type_t::CT_SOUTHRESIZE,
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Cursor::WResize => return cef_cursor_type_t::CT_WESTRESIZE,
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Cursor::EwResize => return cef_cursor_type_t::CT_EASTWESTRESIZE,
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Cursor::ColResize => return cef_cursor_type_t::CT_COLUMNRESIZE,
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Cursor::EResize => return cef_cursor_type_t::CT_EASTRESIZE,
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Cursor::NResize => return cef_cursor_type_t::CT_NORTHRESIZE,
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Cursor::NsResize => return cef_cursor_type_t::CT_NORTHSOUTHRESIZE,
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Cursor::RowResize => return cef_cursor_type_t::CT_ROWRESIZE,
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Cursor::VerticalText => return cef_cursor_type_t::CT_VERTICALTEXT,
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_ => return cef_cursor_type_t::CT_POINTER,
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}
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}
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/// Returns the Cocoa cursor for a CSS cursor. These match Firefox, except where Firefox
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/// bundles custom resources (which we don't yet do).
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#[cfg(target_os="macos")]
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fn cursor_handle_for_cursor(&self, cursor: Cursor) -> cef_cursor_handle_t {
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use cocoa::base::class;
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unsafe {
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match cursor {
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Cursor::None => return 0 as cef_cursor_handle_t,
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Cursor::ContextMenu => msg_send![class("NSCursor"), contextualMenuCursor],
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Cursor::Grabbing => msg_send![class("NSCursor"), closedHandCursor],
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Cursor::Crosshair => msg_send![class("NSCursor"), crosshairCursor],
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Cursor::Copy => msg_send![class("NSCursor"), dragCopyCursor],
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Cursor::Alias => msg_send![class("NSCursor"), dragLinkCursor],
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Cursor::Text => msg_send![class("NSCursor"), IBeamCursor],
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Cursor::Grab | Cursor::AllScroll =>
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msg_send![class("NSCursor"), openHandCursor],
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Cursor::NoDrop | Cursor::NotAllowed =>
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msg_send![class("NSCursor"), operationNotAllowedCursor],
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Cursor::Pointer => msg_send![class("NSCursor"), pointingHandCursor],
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Cursor::SResize => msg_send![class("NSCursor"), resizeDownCursor],
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Cursor::WResize => msg_send![class("NSCursor"), resizeLeftCursor],
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Cursor::EwResize | Cursor::ColResize =>
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msg_send![class("NSCursor"), resizeLeftRightCursor],
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Cursor::EResize => msg_send![class("NSCursor"), resizeRightCursor],
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Cursor::NResize => msg_send![class("NSCursor"), resizeUpCursor],
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Cursor::NsResize | Cursor::RowResize =>
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msg_send![class("NSCursor"), resizeUpDownCursor],
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Cursor::VerticalText => msg_send![class("NSCursor"), IBeamCursorForVerticalLayout],
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_ => msg_send![class("NSCursor"), arrowCursor],
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}
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}
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}
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#[cfg(not(target_os="macos"))]
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fn cursor_handle_for_cursor(&self, _: Cursor) -> cef_cursor_handle_t {
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0
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}
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}
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impl WindowMethods for Window {
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fn gl(&self) -> Rc<gl::Gl> {
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self.gl.clone()
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}
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fn framebuffer_size(&self) -> DeviceUintSize {
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let browser = self.cef_browser.borrow();
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match *browser {
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None => self.size,
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Some(ref browser) => {
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if browser.downcast().callback_executed.get() != true {
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self.size
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} else {
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let mut rect = cef_rect_t::zero();
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rect.width = self.size.width as i32;
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rect.height = self.size.height as i32;
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if cfg!(target_os="macos") {
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// osx relies on virtual pixel scaling to provide sizes different from actual
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// pixel size on screen. other platforms are just 1.0 unless the desktop/toolkit says otherwise
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if check_ptr_exist!(browser.get_host().get_client(), get_render_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_render_handler(), get_backing_rect) {
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browser.get_host()
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.get_client()
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.get_render_handler()
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.get_backing_rect((*browser).clone(), &mut rect);
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}
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} else {
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if check_ptr_exist!(browser.get_host().get_client(), get_render_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_render_handler(), get_view_rect) {
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browser.get_host()
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.get_client()
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.get_render_handler()
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.get_view_rect((*browser).clone(), &mut rect);
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}
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}
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DeviceUintSize::new(rect.width as u32, rect.height as u32)
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}
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}
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}
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}
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fn window_rect(&self) -> DeviceUintRect {
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let size = self.framebuffer_size();
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let origin = TypedPoint2D::zero();
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DeviceUintRect::new(origin, size)
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}
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fn size(&self) -> TypedSize2D<f32, DeviceIndependentPixel> {
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let browser = self.cef_browser.borrow();
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match *browser {
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None => TypedSize2D::new(400.0, 300.0),
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Some(ref browser) => {
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let mut rect = cef_rect_t::zero();
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browser.get_host()
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.get_client()
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.get_render_handler()
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.get_view_rect((*browser).clone(), &mut rect);
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TypedSize2D::new(rect.width as f32, rect.height as f32)
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}
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}
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}
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fn client_window(&self, _: BrowserId) -> (Size2D<u32>, Point2D<i32>) {
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let size = self.size().to_untyped();
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let width = size.width as u32;
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let height = size.height as u32;
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//TODO get real window position
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(Size2D::new(width, height), Point2D::zero())
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}
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fn set_inner_size(&self, _: BrowserId, _size: Size2D<u32>) {
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}
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fn set_position(&self, _: BrowserId, _point: Point2D<i32>) {
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}
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fn set_fullscreen_state(&self, _: BrowserId, _state: bool) {
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}
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fn present(&self) {
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let browser = self.cef_browser.borrow();
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if let Some(ref browser) = *browser {
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if check_ptr_exist!(browser.get_host().get_client(), get_render_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_render_handler(), on_present) {
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browser.get_host().get_client().get_render_handler().on_present(browser.clone());
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}
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}
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}
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fn hidpi_factor(&self) -> ScaleFactor<f32, DeviceIndependentPixel, DevicePixel> {
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if cfg!(target_os="macos") {
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let browser = self.cef_browser.borrow();
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match *browser {
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None => ScaleFactor::new(1.0),
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Some(ref browser) => {
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let mut view_rect = cef_rect_t::zero();
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if check_ptr_exist!(browser.get_host().get_client(), get_render_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_render_handler(), get_view_rect) {
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browser.get_host()
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.get_client()
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.get_render_handler()
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.get_view_rect((*browser).clone(), &mut view_rect);
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}
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let mut backing_rect = cef_rect_t::zero();
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if check_ptr_exist!(browser.get_host().get_client(), get_render_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_render_handler(), get_backing_rect) {
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browser.get_host()
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.get_client()
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.get_render_handler()
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.get_backing_rect((*browser).clone(), &mut backing_rect);
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}
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ScaleFactor::new(backing_rect.width as f32 / view_rect.width as f32)
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}
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}
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} else {
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// FIXME(zmike)
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// need to figure out a method for actually getting the scale factor instead of this nonsense
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ScaleFactor::new(1.0 as f32)
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}
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}
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fn create_event_loop_waker(&self) -> Box<EventLoopWaker> {
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struct CefEventLoopWaker;
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impl EventLoopWaker for CefEventLoopWaker {
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fn wake(&self) {
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app_wakeup();
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}
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fn clone(&self) -> Box<EventLoopWaker + Send> {
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Box::new(CefEventLoopWaker)
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}
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}
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Box::new(CefEventLoopWaker)
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}
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fn prepare_for_composite(&self, width: usize, height: usize) -> bool {
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let browser = self.cef_browser.borrow();
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match *browser {
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None => {
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panic!("No browser?!?");
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}
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Some(ref browser) => {
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if browser.downcast().host.downcast().composite_ok.get() == true {
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true
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} else {
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if check_ptr_exist!(browser.get_host().get_client(), get_render_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_render_handler(), on_paint) {
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browser.get_host().get_client().get_render_handler().paint(browser.clone(), width, height);
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}
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false
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}
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}
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}
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}
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fn set_favicon(&self, _: BrowserId, url: ServoUrl) {
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let browser = self.cef_browser.borrow();
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let browser = match *browser {
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None => return,
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Some(ref browser) => browser,
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};
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browser.downcast().favicons.borrow_mut().push(url.into_string());
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}
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fn status(&self, _: BrowserId, info: Option<String>) {
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let browser = self.cef_browser.borrow();
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let browser = match *browser {
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None => return,
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Some(ref browser) => browser,
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};
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let str = match info {
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Some(s) => s.encode_utf16().collect::<Vec<u16>>(),
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None => vec![]
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};
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if check_ptr_exist!(browser.get_host().get_client(), get_display_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_display_handler(), on_status_message) {
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browser.get_host().get_client().get_display_handler().on_status_message((*browser).clone(), str.as_slice());
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}
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}
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fn load_start(&self, _: BrowserId) {
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let browser = self.cef_browser.borrow();
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let browser = match *browser {
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None => return,
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Some(ref browser) => browser,
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};
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let back = browser.downcast().back.get();
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let forward = browser.downcast().forward.get();
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browser.downcast().loading.set(true);
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browser.downcast().favicons.borrow_mut().clear();
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if check_ptr_exist!(browser.get_host().get_client(), get_load_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_load_handler(), on_loading_state_change) {
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browser.get_host()
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.get_client()
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.get_load_handler()
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.on_loading_state_change((*browser).clone(), 1i32, back as i32, forward as i32);
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}
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}
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fn load_end(&self, _: BrowserId) {
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// FIXME(pcwalton): The status code 200 is a lie.
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let browser = self.cef_browser.borrow();
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let browser = match *browser {
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None => return,
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Some(ref browser) => browser,
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};
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let back = browser.downcast().back.get();
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let forward = browser.downcast().forward.get();
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browser.downcast().loading.set(false);
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if check_ptr_exist!(browser.get_host().get_client(), get_load_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_load_handler(), on_loading_state_change) {
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browser.get_host()
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.get_client()
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.get_load_handler()
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.on_loading_state_change((*browser).clone(), 0i32, back as i32, forward as i32);
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}
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if check_ptr_exist!(browser.get_host().get_client(), get_load_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_load_handler(), on_load_end) {
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browser.get_host()
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.get_client()
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.get_load_handler()
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.on_load_end((*browser).clone(), browser.get_main_frame(), 200);
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}
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}
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fn load_error(&self, _: BrowserId, code: NetError, url: String) {
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let browser = self.cef_browser.borrow();
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let browser = match *browser {
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None => return,
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Some(ref browser) => browser,
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};
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if check_ptr_exist!(browser.get_host().get_client(), get_load_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_load_handler(), on_load_error) {
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let utf16_chars: Vec<u16> = url.encode_utf16().collect();
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browser.get_host()
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.get_client()
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.get_load_handler()
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.on_load_error((*browser).clone(), browser.get_main_frame(),
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code, &[], utf16_chars.as_slice());
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}
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}
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fn head_parsed(&self, _: BrowserId) {
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let browser = self.cef_browser.borrow();
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let browser = match *browser {
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None => return,
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Some(ref browser) => browser,
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};
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if check_ptr_exist!(browser.get_host().get_client(), get_display_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_display_handler(), on_favicon_urlchange) {
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browser.get_host().get_client().get_display_handler().on_favicon_urlchange((*browser).clone(), &browser.downcast().favicons.borrow());
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}
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}
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fn set_page_title(&self, _: BrowserId, string: Option<String>) {
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let browser = self.cef_browser.borrow();
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let browser = match *browser {
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None => return,
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Some(ref browser) => browser,
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};
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let frame = browser.get_main_frame();
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let frame = frame.downcast();
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let str = match string {
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Some(s) => s.encode_utf16().collect(),
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None => vec![]
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};
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if check_ptr_exist!(browser.get_host().get_client(), get_display_handler) &&
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check_ptr_exist!(browser.get_host().get_client().get_display_handler(), on_title_change) {
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browser.get_host().get_client().get_display_handler().on_title_change((*browser).clone(), str.as_slice());
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}
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*frame.title.borrow_mut() = str;
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|
}
|
|
|
|
fn history_changed(&self, _: BrowserId, history: Vec<LoadData>, current: usize) {
|
|
let browser = self.cef_browser.borrow();
|
|
let browser = match *browser {
|
|
None => return,
|
|
Some(ref browser) => browser,
|
|
};
|
|
|
|
let can_go_back = current > 0;
|
|
let can_go_forward = current < history.len() - 1;
|
|
|
|
browser.downcast().back.set(can_go_back);
|
|
browser.downcast().forward.set(can_go_forward);
|
|
let frame = browser.get_main_frame();
|
|
let mut frame_url = frame.downcast().url.borrow_mut();
|
|
*frame_url = history[current].url.to_string();
|
|
let utf16_chars: Vec<u16> = frame_url.encode_utf16().collect();
|
|
if check_ptr_exist!(browser.get_host().get_client(), get_display_handler) &&
|
|
check_ptr_exist!(browser.get_host().get_client().get_display_handler(), on_address_change) {
|
|
browser.get_host().get_client().get_display_handler().on_address_change((*browser).clone(), frame.clone(), utf16_chars.as_slice());
|
|
}
|
|
}
|
|
|
|
fn handle_key(&self, _: Option<BrowserId>, _: Option<char>, _: Key, _: KeyModifiers) {
|
|
// TODO(negge)
|
|
}
|
|
|
|
fn set_cursor(&self, cursor: Cursor) {
|
|
use types::{CefCursorInfo,cef_point_t,cef_size_t};
|
|
let browser = self.cef_browser.borrow();
|
|
if let Some(ref browser) = *browser {
|
|
let cursor_handle = self.cursor_handle_for_cursor(cursor);
|
|
let info = CefCursorInfo { hotspot: cef_point_t {x: 0, y: 0}, image_scale_factor: 0.0, buffer: 0 as *mut isize, size: cef_size_t { width: 0, height: 0 } };
|
|
if check_ptr_exist!(browser.get_host().get_client(), get_render_handler) &&
|
|
check_ptr_exist!(browser.get_host().get_client().get_render_handler(), on_cursor_change) {
|
|
browser.get_host()
|
|
.get_client()
|
|
.get_render_handler()
|
|
.on_cursor_change(browser.clone(), cursor_handle,
|
|
self.cursor_type_for_cursor(cursor), &info);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn allow_navigation(&self, _: BrowserId, _: ServoUrl, response_chan: IpcSender<bool>) {
|
|
if let Err(e) = response_chan.send(true) {
|
|
warn!("Failed to send allow_navigation() response: {}", e);
|
|
};
|
|
}
|
|
|
|
fn supports_clipboard(&self) -> bool {
|
|
false
|
|
}
|
|
}
|
|
|
|
#[cfg(target_os="macos")]
|
|
pub fn app_wakeup() {
|
|
use cocoa::appkit::{NSApp, NSApplication, NSApplicationDefined};
|
|
use cocoa::appkit::{NSEvent, NSEventModifierFlags, NSEventSubtype};
|
|
use cocoa::base::nil;
|
|
use cocoa::foundation::{NSAutoreleasePool, NSPoint};
|
|
|
|
unsafe {
|
|
let pool = NSAutoreleasePool::new(nil);
|
|
let event =
|
|
NSEvent::otherEventWithType_location_modifierFlags_timestamp_windowNumber_context_subtype_data1_data2_(
|
|
nil,
|
|
NSApplicationDefined,
|
|
NSPoint::new(0.0, 0.0),
|
|
NSEventModifierFlags::empty(),
|
|
0.0,
|
|
0,
|
|
nil,
|
|
NSEventSubtype::NSWindowExposedEventType,
|
|
0,
|
|
0);
|
|
NSApp().postEvent_atStart_(event, 0);
|
|
pool.drain();
|
|
}
|
|
}
|
|
|
|
#[cfg(target_os="linux")]
|
|
pub fn app_wakeup() {
|
|
unsafe { if CEF_APP.is_null() { return; } }
|
|
let capp = unsafe { CefApp::from_c_object_addref(CEF_APP) };
|
|
if unsafe { (*CEF_APP).get_browser_process_handler.is_some() } &&
|
|
check_ptr_exist!(capp.get_browser_process_handler(), on_work_available) {
|
|
capp.get_browser_process_handler().on_work_available();
|
|
}
|
|
}
|
|
|
|
#[cfg(target_os="linux")]
|
|
pub fn init_window() {
|
|
unsafe {
|
|
assert!(XInitThreads() != 0);
|
|
DISPLAY = XOpenDisplay(ptr::null()) as *mut c_void;
|
|
}
|
|
}
|
|
#[cfg(not(target_os="linux"))]
|
|
pub fn init_window() {}
|
|
|
|
#[cfg(target_os="linux")]
|
|
#[no_mangle]
|
|
pub extern "C" fn cef_get_xdisplay() -> *mut c_void {
|
|
unsafe { DISPLAY }
|
|
}
|
|
#[cfg(not(target_os="linux"))]
|
|
#[no_mangle]
|
|
pub extern "C" fn cef_get_xdisplay() -> *mut c_void {
|
|
ptr::null_mut()
|
|
}
|