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libservo: Add WebViewDelegate and ServoDelegate and port winit_minimal (#35196)

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This change adds the second major part of the new API: delegates which
have methods called by the Servo loop. When a delegate is set on a
`WebView` or on `Servo` itself, the event loop will call into
appropriate delegate methods. Applications can implement the delegate on
their own structs to add special behavior per-`WebView` or for all
`WebView`s.

In addition, each delegate has a default implementation, which
automatically exposes "reasonable" behavior such as by-default allowing
navigation.

There's a lot more work to do here, such as refining the delegate
methods so that they all have nice interfaces, particulary with regard
to delegate methods that need an asynchronous response. This will be
handed gradually as we keep working on the API.

Signed-off-by: Delan Azabani <dazabani@igalia.com>
Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
This commit is contained in:
Delan Azabani 2025-02-05 18:08:40 +08:00 • committed by GitHub
parent 789736590b
commit 175f28866d
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10 changed files with 1005 additions and 198 deletions
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4
components/shared/embedder/lib.rs
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@ -114,15 +114,13 @@ pub enum PromptDefinition {
Alert(String, IpcSender<()>),
/// Ask a Ok/Cancel question.
OkCancel(String, IpcSender<PromptResult>),
/// Ask a Yes/No question.
YesNo(String, IpcSender<PromptResult>),
/// Ask the user to enter text.
Input(String, String, IpcSender<Option<String>>),
/// Ask user to enter their username and password
Credentials(IpcSender<PromptCredentialsInput>),
}
#[derive(Debug, Deserialize, Serialize)]
#[derive(Debug, Default, Deserialize, Serialize)]
pub struct PromptCredentialsInput {
/// Username for http request authentication
pub username: Option<String>,