forked from mirrors/gecko-dev
7af6d9dbee
Fixes #9250 Source-Repo: https://github.com/servo/servo Source-Revision: 9118b64b4b610a95f48a88a198baac4eb31a04a0
88 lines
4 KiB
Rust
88 lines
4 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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use AnimationState;
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use DocumentState;
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use IFrameLoadInfo;
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use MouseButton;
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use MouseEventType;
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use MozBrowserEvent;
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use canvas_traits::CanvasMsg;
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use euclid::point::Point2D;
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use euclid::size::Size2D;
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use ipc_channel::ipc::IpcSender;
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use msg::constellation_msg::{Failure, NavigationDirection, PipelineId};
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use msg::constellation_msg::{LoadData, SubpageId};
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use offscreen_gl_context::GLContextAttributes;
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use style_traits::viewport::ViewportConstraints;
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use url::Url;
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use util::cursor::Cursor;
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/// Messages from the layout to the constellation.
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#[derive(Deserialize, Serialize)]
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pub enum LayoutMsg {
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/// Indicates whether this pipeline is currently running animations.
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ChangeRunningAnimationsState(PipelineId, AnimationState),
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/// Layout thread failure.
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Failure(Failure),
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/// Requests that the constellation inform the compositor of the a cursor change.
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SetCursor(Cursor),
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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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}
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/// Messages from the script to the constellation.
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#[derive(Deserialize, Serialize)]
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pub enum ScriptMsg {
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/// Indicates whether this pipeline is currently running animations.
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ChangeRunningAnimationsState(PipelineId, AnimationState),
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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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CreateCanvasPaintThread(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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CreateWebGLPaintThread(Size2D<i32>,
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GLContextAttributes,
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IpcSender<Result<(IpcSender<CanvasMsg>, usize), String>>),
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/// Dispatched after the DOM load event has fired on a document
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/// Causes a `load` event to be dispatched to any enclosing frame context element
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/// for the given pipeline.
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DOMLoad(PipelineId),
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/// Script thread failure.
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Failure(Failure),
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/// Notifies the constellation that this frame has received focus.
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Focus(PipelineId),
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/// Re-send a mouse button event that was sent to the parent window.
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ForwardMouseButtonEvent(PipelineId, MouseEventType, MouseButton, Point2D<f32>),
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/// Re-send a mouse move event that was sent to the parent window.
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ForwardMouseMoveEvent(PipelineId, Point2D<f32>),
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/// Requests that the constellation retrieve the current contents of the clipboard
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GetClipboardContents(IpcSender<String>),
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/// <head> tag finished parsing
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HeadParsed,
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/// All pending loads are complete.
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LoadComplete(PipelineId),
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/// A new load has been requested.
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LoadUrl(PipelineId, LoadData),
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/// Dispatch a mozbrowser event to a given iframe. Only available in experimental mode.
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MozBrowserEvent(PipelineId, SubpageId, MozBrowserEvent),
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/// HTMLIFrameElement Forward or Back navigation.
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Navigate(Option<(PipelineId, SubpageId)>, NavigationDirection),
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/// Favicon detected
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NewFavicon(Url),
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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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/// Notification that this iframe should be removed.
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RemoveIFrame(PipelineId),
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/// A load has been requested in an IFrame.
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ScriptLoadedURLInIFrame(IFrameLoadInfo),
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/// Requests that the constellation set the contents of the clipboard
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SetClipboardContents(String),
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/// Mark a new document as active
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ActivateDocument(PipelineId),
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/// Set the document state for a pipeline (used by screenshot / reftests)
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SetDocumentState(PipelineId, DocumentState),
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/// Update the pipeline Url, which can change after redirections.
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SetFinalUrl(PipelineId, Url),
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}
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