servo: Merge #13489 - Add support for fullscreen #10102 (from farodin91:fullscreen); r=jdm

<!-- Please describe your changes on the following line: -->

I'm start working on fullscreen support.
jdm Should be the entry_point in ScriptReflow a Option if fullscreen is enabled or point on the entry_node? For example the RootNode.

---

<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #10102  (github issue number if applicable).

<!-- Either: -->
- [x] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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Source-Repo: https://github.com/servo/servo
Source-Revision: 8b69e73594647319e95bd0fd36c2addabcee1e5d

UltraBlame original commit: 088b220230d754d962ef695873042c7cf8ed3f43

Author: marco-c

servo/Cargo.lock

@@ -93,3 +93,5 @@ statechange
 controllerchange
 fetch
 characteristicvaluechanged
+fullscreenchange
+fullscreenerror

servo/components/atoms/static_atoms.txt

@@ -3091,6 +3091,32 @@ func
 ;
 }
 (
+Msg
+:
+:
+SetFullscreenState
+(
+state
+)
+ShutdownState
+:
+:
+NotShuttingDown
+)
+=
+>
+{
+self
+.
+window
+.
+set_fullscreen_state
+(
+state
+)
+;
+}
+(
 _
 ShutdownState
 :

servo/components/compositing/compositor.rs

@@ -494,6 +494,10 @@ Fn
 Send
 >
 )
+SetFullscreenState
+(
+bool
+)
 }
 impl
 Debug
@@ -998,6 +1002,24 @@ f
 Dispatch
 "
 )
+Msg
+:
+:
+SetFullscreenState
+(
+.
+.
+)
+=
+>
+write
+!
+(
+f
+"
+SetFullscreenState
+"
+)
 }
 }
 }

servo/components/compositing/compositor_thread.rs

@@ -700,6 +700,16 @@ i32
 )
 ;
 fn
+set_fullscreen_state
+(
+&
+self
+state
+:
+bool
+)
+;
+fn
 set_page_title
 (
 &

servo/components/compositing/windowing.rs

@@ -6376,6 +6376,32 @@ new_value
 )
 ;
 }
+FromScriptMsg
+:
+:
+SetFullscreenState
+(
+state
+)
+=
+>
+{
+self
+.
+compositor_proxy
+.
+send
+(
+ToCompositorMsg
+:
+:
+SetFullscreenState
+(
+state
+)
+)
+;
+}
 }
 }
 fn

servo/components/constellation/constellation.rs

@@ -1168,6 +1168,28 @@ Event
 ProfilerCategory
 :
 :
+ScriptEnterFullscreen
+=
+>
+"
+Script
+Enter
+Fullscreen
+"
+ProfilerCategory
+:
+:
+ScriptExitFullscreen
+=
+>
+"
+Script
+Exit
+Fullscreen
+"
+ProfilerCategory
+:
+:
 ApplicationHeartbeat
 =
 >

servo/components/profile/time.rs

@@ -342,6 +342,12 @@ ScriptServiceWorkerEvent
 ScriptParseXML
 =
 0x76
+ScriptEnterFullscreen
+=
+0x77
+ScriptExitFullscreen
+=
+0x78
 ApplicationHeartbeat
 =
 0x90