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294a649a6c
`strum` allows us to avoid manually listing enum variant names and also to get their names as static strings. We cannot use this for all cases due to https://github.com/Peternator7/strum/issues/152, but we can still use it to remove a lot of code. Signed-off-by: Martin Robinson <mrobinson@igalia.com>
85 lines
3.7 KiB
Rust
85 lines
3.7 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 https://mozilla.org/MPL/2.0/. */
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use std::collections::HashMap;
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use std::fmt;
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use std::time::Duration;
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use base::Epoch;
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use base::id::{BrowsingContextId, PipelineId, WebViewId};
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use embedder_traits::{
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Cursor, InputEvent, MediaSessionActionType, Theme, TraversalDirection, WebDriverCommandMsg,
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};
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use ipc_channel::ipc::IpcSender;
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use script_traits::{AnimationTickType, LogEntry, WindowSizeData, WindowSizeType};
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use servo_url::ServoUrl;
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use strum_macros::IntoStaticStr;
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use webrender_traits::CompositorHitTestResult;
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/// Messages to the constellation.
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#[derive(IntoStaticStr)]
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pub enum ConstellationMsg {
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/// Exit the constellation.
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Exit,
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/// Request that the constellation send the BrowsingContextId corresponding to the document
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/// with the provided pipeline id
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GetBrowsingContext(PipelineId, IpcSender<Option<BrowsingContextId>>),
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/// Request that the constellation send the current pipeline id for the provided
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/// browsing context id, over a provided channel.
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GetPipeline(BrowsingContextId, IpcSender<Option<PipelineId>>),
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/// Request that the constellation send the current focused top-level browsing context id,
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/// over a provided channel.
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GetFocusTopLevelBrowsingContext(IpcSender<Option<WebViewId>>),
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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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/// Whether to allow script to navigate.
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AllowNavigationResponse(PipelineId, bool),
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/// Request to load a page.
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LoadUrl(WebViewId, ServoUrl),
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/// Clear the network cache.
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ClearCache,
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/// Request to traverse the joint session history of the provided browsing context.
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TraverseHistory(WebViewId, TraversalDirection),
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/// Inform the constellation of a window being resized.
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WindowSize(WebViewId, WindowSizeData, WindowSizeType),
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/// Inform the constellation of a theme change.
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ThemeChange(Theme),
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/// Requests that the constellation instruct layout to begin a new tick of the animation.
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TickAnimation(PipelineId, AnimationTickType),
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/// Dispatch a webdriver command
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WebDriverCommand(WebDriverCommandMsg),
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/// Reload a top-level browsing context.
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Reload(WebViewId),
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/// A log entry, with the top-level browsing context id and thread name
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LogEntry(Option<WebViewId>, Option<String>, LogEntry),
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/// Create a new top level browsing context.
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NewWebView(ServoUrl, WebViewId),
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/// Close a top level browsing context.
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CloseWebView(WebViewId),
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/// Panic a top level browsing context.
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SendError(Option<WebViewId>, String),
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/// Make a webview focused.
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FocusWebView(WebViewId),
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/// Make none of the webviews focused.
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BlurWebView,
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/// Forward an input event to an appropriate ScriptTask.
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ForwardInputEvent(WebViewId, InputEvent, Option<CompositorHitTestResult>),
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/// Requesting a change to the onscreen cursor.
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SetCursor(WebViewId, Cursor),
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/// Enable the sampling profiler, with a given sampling rate and max total sampling duration.
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ToggleProfiler(Duration, Duration),
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/// Request to exit from fullscreen mode
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ExitFullScreen(WebViewId),
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/// Media session action.
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MediaSessionAction(MediaSessionActionType),
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/// Set whether to use less resources, by stopping animations and running timers at a heavily limited rate.
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SetWebViewThrottled(WebViewId, bool),
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}
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impl fmt::Debug for ConstellationMsg {
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fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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let variant_string: &'static str = self.into();
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write!(formatter, "ConstellationMsg::{variant_string}")
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}
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}
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