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libservo: Make zooming and HiDPI scaling work per-WebView
(#36419)
libservo: Make zooming and HiDPI scaling work per-`WebView` This change moves all zooming and HiDPI scaling to work per-`WebView` in both libservo and Compositor. This means that you can pinch zoom one `WebView` and it should now work independently of other `WebView`s. This is accomplished by making each `WebView` in the WebRender scene have its own scaling reference frame. All WebViews are now expected to manage their HiDPI scaling factor and this can be set independently of other WebViews. Perhaps in the future this will become a Servo-wide setting. This allows full removal of the `WindowMethods` trait from Servo. Testing: There are not yet any tests for the WebView API, but I hope to add those soon. Co-authored-by: Shubham Gupta <shubham13297@gmail.com> Signed-off-by: Martin Robinson <mrobinson@igalia.com> Signed-off-by: Martin Robinson <mrobinson@igalia.com> Co-authored-by: Shubham Gupta <shubham13297@gmail.com>
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17 changed files with 415 additions and 385 deletions
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@ -70,7 +70,11 @@ pub enum CompositorMsg {
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/// Script has handled a touch event, and either prevented or allowed default actions.
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TouchEventProcessed(WebViewId, TouchEventResult),
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/// Composite to a PNG file and return the Image over a passed channel.
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CreatePng(Option<Rect<f32, CSSPixel>>, IpcSender<Option<Image>>),
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CreatePng(
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WebViewId,
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Option<Rect<f32, CSSPixel>>,
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IpcSender<Option<Image>>,
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),
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/// A reply to the compositor asking if the output image is stable.
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IsReadyToSaveImageReply(bool),
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/// Set whether to use less resources by stopping animations.
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