2013-07-03 20:42:47 +04:00
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/* 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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2014-11-05 04:12:32 +03:00
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//! The high-level interface from script to constellation. Using this abstract interface helps
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//! reduce coupling between these two components.
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2013-07-03 20:42:47 +04:00
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2015-05-14 02:37:54 +03:00
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use compositor_msg::Epoch;
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2015-07-18 16:43:24 +03:00
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2015-07-25 10:50:31 +03:00
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use canvas_traits::CanvasMsg;
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2015-06-19 05:50:22 +03:00
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use euclid::rect::Rect;
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2015-07-25 10:50:31 +03:00
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use euclid::size::{Size2D, TypedSize2D};
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2015-06-19 05:50:22 +03:00
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use euclid::scale_factor::ScaleFactor;
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2014-12-05 14:16:11 +03:00
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use hyper::header::Headers;
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2015-01-04 22:39:47 +03:00
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use hyper::method::Method;
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2015-07-18 16:43:24 +03:00
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use ipc_channel::ipc::IpcSender;
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2014-09-02 23:14:37 +04:00
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use layers::geometry::DevicePixel;
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2015-07-25 10:50:31 +03:00
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use offscreen_gl_context::GLContextAttributes;
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2015-07-18 16:43:24 +03:00
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use png::Image;
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2015-01-29 15:12:49 +03:00
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use util::cursor::Cursor;
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use util::geometry::{PagePx, ViewportPx};
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2015-08-13 22:16:14 +03:00
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use util::mem::HeapSizeOf;
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2015-05-14 02:37:54 +03:00
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use std::collections::HashMap;
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2015-01-28 04:15:50 +03:00
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use std::sync::mpsc::{channel, Sender, Receiver};
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2015-05-06 20:41:09 +03:00
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use style::viewport::ViewportConstraints;
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2014-04-05 02:52:50 +04:00
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use url::Url;
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2015-06-17 19:16:27 +03:00
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use webdriver_msg::{WebDriverScriptCommand, LoadStatus};
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2013-07-03 20:42:47 +04:00
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2015-01-28 04:15:50 +03:00
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#[derive(Clone)]
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2014-04-28 02:52:39 +04:00
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pub struct ConstellationChan(pub Sender<Msg>);
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2013-11-07 03:02:18 +04:00
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2013-07-03 20:42:47 +04:00
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impl ConstellationChan {
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2014-04-05 02:52:50 +04:00
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pub fn new() -> (Receiver<Msg>, ConstellationChan) {
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let (chan, port) = channel();
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2014-01-13 07:16:21 +04:00
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(port, ConstellationChan(chan))
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2013-07-03 20:42:47 +04:00
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}
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}
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2015-07-18 16:43:24 +03:00
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#[derive(PartialEq, Eq, Copy, Clone, Debug, Deserialize, Serialize)]
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2013-09-11 23:22:59 +04:00
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pub enum IFrameSandboxState {
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IFrameSandboxed,
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IFrameUnsandboxed
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}
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2014-02-14 03:08:07 +04:00
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// We pass this info to various tasks, so it lives in a separate, cloneable struct.
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2015-07-18 16:43:24 +03:00
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#[derive(Clone, Copy, Deserialize, Serialize)]
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2014-02-14 03:08:07 +04:00
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pub struct Failure {
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2014-04-28 02:52:39 +04:00
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pub pipeline_id: PipelineId,
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pub parent_info: Option<(PipelineId, SubpageId)>,
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2014-02-14 03:08:07 +04:00
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}
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2015-08-04 06:24:41 +03:00
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#[derive(Copy, Clone, Deserialize, Serialize, HeapSizeOf)]
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2014-06-21 17:06:26 +04:00
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pub struct WindowSizeData {
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/// The size of the initial layout viewport, before parsing an
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/// http://www.w3.org/TR/css-device-adapt/#initial-viewport
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pub initial_viewport: TypedSize2D<ViewportPx, f32>,
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/// The "viewing area" in page px. See `PagePx` documentation for details.
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pub visible_viewport: TypedSize2D<PagePx, f32>,
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/// The resolution of the window in dppx, not including any "pinch zoom" factor.
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pub device_pixel_ratio: ScaleFactor<ViewportPx, DevicePixel, f32>,
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}
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2015-07-14 17:46:07 +03:00
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#[derive(PartialEq, Eq, Copy, Clone, Deserialize, Serialize)]
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2014-11-13 20:57:33 +03:00
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pub enum KeyState {
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Pressed,
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Released,
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Repeated,
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}
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2015-02-02 11:30:50 +03:00
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//N.B. Based on the glutin key enum
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2015-08-13 22:16:14 +03:00
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#[derive(Debug, PartialEq, Eq, Copy, Clone, Deserialize, Serialize, HeapSizeOf)]
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2014-11-13 20:57:33 +03:00
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pub enum Key {
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2014-12-18 04:45:49 +03:00
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Space,
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Apostrophe,
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Comma,
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Minus,
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Period,
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Slash,
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Num0,
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Num1,
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Num2,
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Num3,
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Num4,
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Num5,
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Num6,
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Num7,
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Num8,
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Num9,
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Semicolon,
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Equal,
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A,
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B,
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C,
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D,
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E,
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F,
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G,
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H,
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I,
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J,
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K,
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L,
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M,
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N,
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O,
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P,
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Q,
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R,
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S,
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T,
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U,
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V,
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W,
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X,
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Y,
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Z,
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LeftBracket,
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Backslash,
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RightBracket,
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GraveAccent,
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World1,
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World2,
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Escape,
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Enter,
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Tab,
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Backspace,
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Insert,
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Delete,
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Right,
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Left,
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Down,
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Up,
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PageUp,
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PageDown,
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Home,
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End,
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CapsLock,
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ScrollLock,
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NumLock,
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PrintScreen,
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Pause,
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F1,
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F2,
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F3,
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F4,
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F5,
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F6,
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F7,
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F8,
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F9,
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F10,
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F11,
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F12,
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F13,
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F14,
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F15,
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F16,
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F17,
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F18,
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F19,
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F20,
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F21,
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F22,
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F23,
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F24,
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F25,
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Kp0,
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Kp1,
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Kp2,
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Kp3,
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Kp4,
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Kp5,
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Kp6,
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Kp7,
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Kp8,
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Kp9,
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KpDecimal,
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KpDivide,
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KpMultiply,
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KpSubtract,
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KpAdd,
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KpEnter,
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KpEqual,
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LeftShift,
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LeftControl,
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LeftAlt,
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LeftSuper,
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RightShift,
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RightControl,
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RightAlt,
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RightSuper,
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Menu,
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2014-11-13 20:57:33 +03:00
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}
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bitflags! {
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2015-07-14 17:46:07 +03:00
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#[derive(Deserialize, Serialize)]
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2014-11-13 20:57:33 +03:00
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flags KeyModifiers: u8 {
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2015-06-29 20:44:03 +03:00
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const NONE = 0x00,
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2014-11-13 20:57:33 +03:00
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const SHIFT = 0x01,
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const CONTROL = 0x02,
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const ALT = 0x04,
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const SUPER = 0x08,
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}
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}
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2015-04-20 02:13:59 +03:00
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/// Specifies the type of focus event that is sent to a pipeline
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2015-04-29 01:52:49 +03:00
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#[derive(Copy, Clone, PartialEq)]
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2015-04-20 02:13:59 +03:00
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pub enum FocusType {
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Element, // The first focus message - focus the element itself
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Parent, // Focusing a parent element (an iframe)
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}
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2014-01-31 00:49:28 +04:00
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/// Messages from the compositor and script to the constellation.
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2015-07-18 16:43:24 +03:00
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#[derive(Deserialize, Serialize)]
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2013-07-03 20:42:47 +04:00
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pub enum Msg {
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2015-01-04 22:39:47 +03:00
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Exit,
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Failure(Failure),
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InitLoadUrl(Url),
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2015-05-27 22:17:32 +03:00
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LoadComplete(PipelineId),
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2015-08-07 20:30:33 +03:00
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/// Dispatched after the DOM load event has fired on a document
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DOMLoad(PipelineId),
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2015-01-04 22:39:47 +03:00
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FrameRect(PipelineId, SubpageId, Rect<f32>),
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LoadUrl(PipelineId, LoadData),
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2015-01-10 03:51:44 +03:00
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ScriptLoadedURLInIFrame(Url, PipelineId, SubpageId, Option<SubpageId>, IFrameSandboxState),
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2015-03-18 01:21:48 +03:00
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Navigate(Option<(PipelineId, SubpageId)>, NavigationDirection),
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2015-01-04 22:39:47 +03:00
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PainterReady(PipelineId),
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ResizedWindow(WindowSizeData),
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2014-11-13 20:57:33 +03:00
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KeyEvent(Key, KeyState, KeyModifiers),
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2014-12-10 19:40:03 +03:00
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/// Requests that the constellation inform the compositor of the title of the pipeline
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/// immediately.
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2015-01-04 22:39:47 +03:00
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GetPipelineTitle(PipelineId),
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2014-12-18 10:24:49 +03:00
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/// Requests that the constellation inform the compositor of the a cursor change.
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2015-01-04 22:39:47 +03:00
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SetCursor(Cursor),
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2015-03-23 06:36:51 +03:00
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/// Dispatch a mozbrowser event to a given iframe. Only available in experimental mode.
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2015-04-29 23:51:39 +03:00
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MozBrowserEvent(PipelineId, SubpageId, MozBrowserEvent),
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2015-03-31 19:39:56 +03:00
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/// Indicates whether this pipeline is currently running animations.
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2015-05-06 08:50:13 +03:00
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ChangeRunningAnimationsState(PipelineId, AnimationState),
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2015-03-31 19:39:56 +03:00
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/// Requests that the constellation instruct layout to begin a new tick of the animation.
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TickAnimation(PipelineId),
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2015-06-02 01:30:37 +03:00
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/// Request that the constellation send the current pipeline id for the provided frame
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/// id, or for the root frame if this is None, over a provided channel
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2015-07-18 16:43:24 +03:00
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GetPipeline(Option<FrameId>, IpcSender<Option<PipelineId>>),
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2015-06-02 01:30:37 +03:00
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/// Request that the constellation send the FrameId corresponding to the document
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/// with the provided parent pipeline id and subpage id
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2015-07-18 16:43:24 +03:00
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GetFrame(PipelineId, SubpageId, IpcSender<Option<FrameId>>),
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2015-04-20 02:13:59 +03:00
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/// Notifies the constellation that this frame has received focus.
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2015-04-29 23:51:39 +03:00
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Focus(PipelineId),
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2015-04-21 22:41:32 +03:00
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/// Requests that the constellation retrieve the current contents of the clipboard
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2015-07-18 16:43:24 +03:00
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GetClipboardContents(IpcSender<String>),
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2015-07-29 20:26:00 +03:00
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/// Requests that the constellation set the contents of the clipboard
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SetClipboardContents(String),
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2015-05-07 12:59:04 +03:00
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/// Dispatch a webdriver command
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2015-05-14 13:02:27 +03:00
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WebDriverCommand(WebDriverCommandMsg),
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2015-05-06 20:41:09 +03:00
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/// Notifies the constellation that the viewport has been constrained in some manner
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ViewportConstrained(PipelineId, ViewportConstraints),
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2015-05-14 02:37:54 +03:00
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/// Query the constellation to see if the current compositor output is stable
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IsReadyToSaveImage(HashMap<PipelineId, Epoch>),
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2015-05-14 06:34:59 +03:00
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/// Notification that this iframe should be removed.
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RemoveIFrame(PipelineId, SubpageId),
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2015-06-03 08:27:41 +03:00
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/// Favicon detected
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NewFavicon(Url),
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/// <head> tag finished parsing
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HeadParsed,
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2015-07-25 10:50:31 +03:00
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/// Requests that a new 2D canvas thread be created. (This is done in the constellation because
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/// 2D canvases may use the GPU and we don't want to give untrusted content access to the GPU.)
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CreateCanvasPaintTask(Size2D<i32>, IpcSender<(IpcSender<CanvasMsg>, usize)>),
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/// Requests that a new WebGL thread be created. (This is done in the constellation because
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/// WebGL uses the GPU and we don't want to give untrusted content access to the GPU.)
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CreateWebGLPaintTask(Size2D<i32>,
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GLContextAttributes,
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2015-07-30 00:29:58 +03:00
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IpcSender<Result<(IpcSender<CanvasMsg>, usize), String>>),
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2015-07-30 17:45:31 +03:00
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/// Status message to be displayed in the chrome, eg. a link URL on mouseover.
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NodeStatus(Option<String>),
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2013-07-03 20:42:47 +04:00
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}
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2015-07-18 16:43:24 +03:00
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#[derive(Clone, Eq, PartialEq, Deserialize, Serialize)]
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2015-05-06 08:50:13 +03:00
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pub enum AnimationState {
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AnimationsPresent,
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AnimationCallbacksPresent,
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NoAnimationsPresent,
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NoAnimationCallbacksPresent,
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}
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2015-03-26 05:00:54 +03:00
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// https://developer.mozilla.org/en-US/docs/Web/API/Using_the_Browser_API#Events
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2015-07-18 16:43:24 +03:00
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#[derive(Deserialize, Serialize)]
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2015-03-26 05:00:54 +03:00
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pub enum MozBrowserEvent {
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/// Sent when the scroll position within a browser <iframe> changes.
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AsyncScroll,
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/// Sent when window.close() is called within a browser <iframe>.
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Close,
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2015-05-14 15:16:42 +03:00
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/// Sent when a browser <iframe> tries to open a context menu. This allows
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/// handling <menuitem> element available within the browser <iframe>'s content.
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2015-03-26 05:00:54 +03:00
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ContextMenu,
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/// Sent when an error occurred while trying to load content within a browser <iframe>.
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Error,
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/// Sent when the favicon of a browser <iframe> changes.
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IconChange,
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/// Sent when the browser <iframe> has finished loading all its assets.
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LoadEnd,
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/// Sent when the browser <iframe> starts to load a new page.
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LoadStart,
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/// Sent when a browser <iframe>'s location changes.
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LocationChange(String),
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/// Sent when window.open() is called within a browser <iframe>.
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OpenWindow,
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/// Sent when the SSL state changes within a browser <iframe>.
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SecurityChange,
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/// Sent when alert(), confirm(), or prompt() is called within a browser <iframe>.
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ShowModalPrompt,
|
|
|
|
/// Sent when the document.title changes within a browser <iframe>.
|
|
|
|
TitleChange(String),
|
|
|
|
/// Sent when an HTTP authentification is requested.
|
|
|
|
UsernameAndPasswordRequired,
|
|
|
|
/// Sent when a link to a search engine is found.
|
|
|
|
OpenSearch,
|
|
|
|
}
|
|
|
|
|
|
|
|
impl MozBrowserEvent {
|
|
|
|
pub fn name(&self) -> &'static str {
|
|
|
|
match *self {
|
|
|
|
MozBrowserEvent::AsyncScroll => "mozbrowserasyncscroll",
|
|
|
|
MozBrowserEvent::Close => "mozbrowserclose",
|
|
|
|
MozBrowserEvent::ContextMenu => "mozbrowsercontextmenu",
|
|
|
|
MozBrowserEvent::Error => "mozbrowsererror",
|
|
|
|
MozBrowserEvent::IconChange => "mozbrowsericonchange",
|
|
|
|
MozBrowserEvent::LoadEnd => "mozbrowserloadend",
|
|
|
|
MozBrowserEvent::LoadStart => "mozbrowserloadstart",
|
|
|
|
MozBrowserEvent::LocationChange(_) => "mozbrowserlocationchange",
|
|
|
|
MozBrowserEvent::OpenWindow => "mozbrowseropenwindow",
|
|
|
|
MozBrowserEvent::SecurityChange => "mozbrowsersecuritychange",
|
|
|
|
MozBrowserEvent::ShowModalPrompt => "mozbrowsershowmodalprompt",
|
|
|
|
MozBrowserEvent::TitleChange(_) => "mozbrowsertitlechange",
|
|
|
|
MozBrowserEvent::UsernameAndPasswordRequired => "mozbrowserusernameandpasswordrequired",
|
|
|
|
MozBrowserEvent::OpenSearch => "mozbrowseropensearch"
|
|
|
|
}
|
|
|
|
}
|
|
|
|
pub fn detail(&self) -> Option<String> {
|
|
|
|
match *self {
|
|
|
|
MozBrowserEvent::AsyncScroll | MozBrowserEvent::Close | MozBrowserEvent::ContextMenu |
|
|
|
|
MozBrowserEvent::Error | MozBrowserEvent::IconChange | MozBrowserEvent::LoadEnd |
|
|
|
|
MozBrowserEvent::LoadStart | MozBrowserEvent::OpenWindow | MozBrowserEvent::SecurityChange |
|
2015-05-25 02:27:26 +03:00
|
|
|
MozBrowserEvent::ShowModalPrompt | MozBrowserEvent::UsernameAndPasswordRequired |
|
|
|
|
MozBrowserEvent::OpenSearch => None,
|
2015-03-26 05:00:54 +03:00
|
|
|
MozBrowserEvent::LocationChange(ref new_location) => Some(new_location.clone()),
|
|
|
|
MozBrowserEvent::TitleChange(ref new_title) => Some(new_title.clone()),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-07-18 16:43:24 +03:00
|
|
|
#[derive(Deserialize, Serialize)]
|
2015-05-14 13:02:27 +03:00
|
|
|
pub enum WebDriverCommandMsg {
|
2015-07-18 16:43:24 +03:00
|
|
|
LoadUrl(PipelineId, LoadData, IpcSender<LoadStatus>),
|
2015-07-20 00:03:36 +03:00
|
|
|
Refresh(PipelineId, IpcSender<LoadStatus>),
|
2015-05-14 13:02:27 +03:00
|
|
|
ScriptCommand(PipelineId, WebDriverScriptCommand),
|
2015-07-18 16:43:24 +03:00
|
|
|
TakeScreenshot(PipelineId, IpcSender<Option<Image>>)
|
2015-05-14 13:02:27 +03:00
|
|
|
}
|
2015-03-26 05:00:54 +03:00
|
|
|
|
2014-10-10 02:00:34 +04:00
|
|
|
/// Similar to net::resource_task::LoadData
|
2015-01-04 22:39:47 +03:00
|
|
|
/// can be passed to LoadUrl to load a page with GET/POST
|
2014-10-10 02:00:34 +04:00
|
|
|
/// parameters or headers
|
2015-07-18 16:43:24 +03:00
|
|
|
#[derive(Clone, Deserialize, Serialize)]
|
2014-10-10 02:00:34 +04:00
|
|
|
pub struct LoadData {
|
|
|
|
pub url: Url,
|
|
|
|
pub method: Method,
|
2014-12-05 14:16:11 +03:00
|
|
|
pub headers: Headers,
|
2014-10-10 02:00:34 +04:00
|
|
|
pub data: Option<Vec<u8>>,
|
|
|
|
}
|
|
|
|
|
|
|
|
impl LoadData {
|
|
|
|
pub fn new(url: Url) -> LoadData {
|
|
|
|
LoadData {
|
|
|
|
url: url,
|
2015-01-04 22:39:47 +03:00
|
|
|
method: Method::Get,
|
2014-12-05 14:16:11 +03:00
|
|
|
headers: Headers::new(),
|
2014-10-10 02:00:34 +04:00
|
|
|
data: None,
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-07-18 16:43:24 +03:00
|
|
|
#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize)]
|
2013-07-03 20:42:47 +04:00
|
|
|
pub enum NavigationDirection {
|
|
|
|
Forward,
|
|
|
|
Back,
|
|
|
|
}
|
2013-07-30 08:21:19 +04:00
|
|
|
|
2015-07-18 16:43:24 +03:00
|
|
|
#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize)]
|
2015-03-28 22:58:02 +03:00
|
|
|
pub struct FrameId(pub u32);
|
2015-03-17 02:54:50 +03:00
|
|
|
|
2015-08-04 06:24:41 +03:00
|
|
|
#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
|
2015-03-28 22:58:02 +03:00
|
|
|
pub struct WorkerId(pub u32);
|
2015-03-27 22:33:56 +03:00
|
|
|
|
2015-08-04 06:24:41 +03:00
|
|
|
#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
|
2015-03-28 22:58:02 +03:00
|
|
|
pub struct PipelineId(pub u32);
|
2014-01-13 07:16:21 +04:00
|
|
|
|
2015-08-04 06:24:41 +03:00
|
|
|
#[derive(Clone, PartialEq, Eq, Copy, Hash, Debug, Deserialize, Serialize, HeapSizeOf)]
|
2015-03-28 22:58:02 +03:00
|
|
|
pub struct SubpageId(pub u32);
|
2015-01-03 06:21:47 +03:00
|
|
|
|
|
|
|
// The type of pipeline exit. During complete shutdowns, pipelines do not have to
|
|
|
|
// release resources automatically released on process termination.
|
2015-07-14 17:46:07 +03:00
|
|
|
#[derive(Copy, Clone, Debug, Deserialize, Serialize)]
|
2015-01-03 06:21:47 +03:00
|
|
|
pub enum PipelineExitType {
|
|
|
|
PipelineOnly,
|
|
|
|
Complete,
|
|
|
|
}
|