Adapt speech synthesis changes from 2.28

- Add missing functions
- Add proper error handling (similar to #823 with optional as in #875) for both UIProcess and WebProcess

Author: Scony

Source/WebCore/Headers.cmake

@@ -550,6 +550,16 @@ set(WebCore_PRIVATE_FRAMEWORK_HEADERS
     Modules/reporting/TestReportBody.h
     Modules/reporting/ViolationReportType.h
 
+    Modules/speech/LocalDOMWindowSpeechSynthesis.h
+    Modules/speech/SpeechSynthesisErrorCode.h
+    Modules/speech/SpeechSynthesisErrorEvent.h
+    Modules/speech/SpeechSynthesisErrorEventInit.h
+    Modules/speech/SpeechSynthesisEvent.h
+    Modules/speech/SpeechSynthesisEventInit.h
+    Modules/speech/SpeechSynthesis.h
+    Modules/speech/SpeechSynthesisUtterance.h
+    Modules/speech/SpeechSynthesisVoice.h
+
     Modules/speech/SpeechRecognitionCaptureSource.h
     Modules/speech/SpeechRecognitionCaptureSourceImpl.h
     Modules/speech/SpeechRecognitionConnection.h

Source/WebCore/Modules/speech/SpeechSynthesis.cpp

@@ -83,7 +83,7 @@ void SpeechSynthesis::setPlatformSynthesizer(Ref<PlatformSpeechSynthesizer>&& sy
         m_voiceList = std::nullopt;
     m_utteranceQueue.clear();
     // Finish current utterance.
-    speakingErrorOccurred();
+    speakingErrorOccurred(SpeechSynthesisErrorCode::Canceled);
     m_isPaused = false;
     m_speechSynthesisClient = nullptr;
 }
@@ -174,7 +174,7 @@ void SpeechSynthesis::cancel()
         m_speechSynthesisClient->cancel();
         // If we wait for cancel to callback speakingErrorOccurred, then m_currentSpeechUtterance will be null
         // and the event won't be processed. Instead we process the error immediately.
-        speakingErrorOccurred();
+        speakingErrorOccurred(SpeechSynthesisErrorCode::Canceled);
         m_currentSpeechUtterance = nullptr;
     } else if (m_platformSpeechSynthesizer)
         m_platformSpeechSynthesizer->cancel();
@@ -202,18 +202,18 @@ void SpeechSynthesis::resumeSynthesis()
     }
 }
 
-void SpeechSynthesis::handleSpeakingCompleted(SpeechSynthesisUtterance& utterance, bool errorOccurred)
+void SpeechSynthesis::handleSpeakingCompleted(SpeechSynthesisUtterance& utterance, std::optional<SpeechSynthesisErrorCode> error)
 {
     ASSERT(m_currentSpeechUtterance);
     Ref<SpeechSynthesisUtterance> protect(utterance);
 
     m_currentSpeechUtterance = nullptr;
 
-    if (errorOccurred)
-        utterance.errorEventOccurred(eventNames().errorEvent, SpeechSynthesisErrorCode::Canceled);
+    if (error)
+        utterance.errorEventOccurred(eventNames().errorEvent, *error);
     else
         utterance.eventOccurred(eventNames().endEvent, 0, 0, String());
-    
+
     if (m_utteranceQueue.size()) {
         Ref<SpeechSynthesisUtterance> firstUtterance = m_utteranceQueue.takeFirst();
         ASSERT(&utterance == firstUtterance.ptr());
@@ -272,11 +272,11 @@ void SpeechSynthesis::didResumeSpeaking()
     didResumeSpeaking(*protectedCurrentSpeechUtterance()->platformUtterance());
 }
 
-void SpeechSynthesis::speakingErrorOccurred()
+void SpeechSynthesis::speakingErrorOccurred(std::optional<SpeechSynthesisErrorCode> error)
 {
     if (!m_currentSpeechUtterance)
         return;
-    speakingErrorOccurred(*protectedCurrentSpeechUtterance()->platformUtterance());
+    speakingErrorOccurred(*protectedCurrentSpeechUtterance()->platformUtterance(), error);
 }
 
 void SpeechSynthesis::boundaryEventOccurred(bool wordBoundary, unsigned charIndex, unsigned charLength)
@@ -314,13 +314,13 @@ void SpeechSynthesis::didResumeSpeaking(PlatformSpeechSynthesisUtterance& uttera
 void SpeechSynthesis::didFinishSpeaking(PlatformSpeechSynthesisUtterance& utterance)
 {
     if (utterance.client())
-        handleSpeakingCompleted(static_cast<SpeechSynthesisUtterance&>(*utterance.client()), false);
+        handleSpeakingCompleted(static_cast<SpeechSynthesisUtterance&>(*utterance.client()), std::nullopt);
 }
 
-void SpeechSynthesis::speakingErrorOccurred(PlatformSpeechSynthesisUtterance& utterance)
+void SpeechSynthesis::speakingErrorOccurred(PlatformSpeechSynthesisUtterance& utterance, std::optional<SpeechSynthesisErrorCode> error)
 {
     if (utterance.client())
-        handleSpeakingCompleted(static_cast<SpeechSynthesisUtterance&>(*utterance.client()), true);
+        handleSpeakingCompleted(static_cast<SpeechSynthesisUtterance&>(*utterance.client()), error);
 }
 
 RefPtr<SpeechSynthesisUtterance> SpeechSynthesis::protectedCurrentSpeechUtterance()

Source/WebCore/Modules/speech/SpeechSynthesis.h

@@ -86,15 +86,15 @@ class SpeechSynthesis : public PlatformSpeechSynthesizerClient, public SpeechSyn
     void didPauseSpeaking(PlatformSpeechSynthesisUtterance&) override;
     void didResumeSpeaking(PlatformSpeechSynthesisUtterance&) override;
     void didFinishSpeaking(PlatformSpeechSynthesisUtterance&) override;
-    void speakingErrorOccurred(PlatformSpeechSynthesisUtterance&) override;
+    void speakingErrorOccurred(PlatformSpeechSynthesisUtterance&, std::optional<SpeechSynthesisErrorCode>) override;
     void boundaryEventOccurred(PlatformSpeechSynthesisUtterance&, SpeechBoundary, unsigned charIndex, unsigned charLength) override;
 
     // SpeechSynthesisClientObserver
     void didStartSpeaking() override;
     void didFinishSpeaking() override;
     void didPauseSpeaking() override;
     void didResumeSpeaking() override;
-    void speakingErrorOccurred() override;
+    void speakingErrorOccurred(std::optional<SpeechSynthesisErrorCode>) override;
     void boundaryEventOccurred(bool wordBoundary, unsigned charIndex, unsigned charLength) override;
     void voicesChanged() override;
 
@@ -103,7 +103,7 @@ class SpeechSynthesis : public PlatformSpeechSynthesizerClient, public SpeechSyn
     bool virtualHasPendingActivity() const final;
 
     void startSpeakingImmediately(SpeechSynthesisUtterance&);
-    void handleSpeakingCompleted(SpeechSynthesisUtterance&, bool errorOccurred);
+    void handleSpeakingCompleted(SpeechSynthesisUtterance&, std::optional<SpeechSynthesisErrorCode>);
 
     // EventTarget
     ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }

Source/WebCore/Modules/speech/SpeechSynthesisErrorCode.h

@@ -28,7 +28,7 @@
 
 namespace WebCore {
 
-enum class SpeechSynthesisErrorCode {
+enum class SpeechSynthesisErrorCode : uint8_t {
     Canceled,
     Interrupted,
     AudioBusy,

Source/WebCore/page/SpeechSynthesisClient.h

@@ -34,6 +34,7 @@ namespace WebCore {
 class PlatformSpeechSynthesisUtterance;
 class SpeechSynthesisClientObserver;
 class PlatformSpeechSynthesisVoice;
+enum class SpeechSynthesisErrorCode : uint8_t;
 
 class SpeechSynthesisClient : public CanMakeWeakPtr<SpeechSynthesisClient> {
 public:
@@ -59,7 +60,7 @@ class SpeechSynthesisClientObserver : public CanMakeWeakPtr<SpeechSynthesisClien
     virtual void didFinishSpeaking() = 0;
     virtual void didPauseSpeaking() = 0;
     virtual void didResumeSpeaking() = 0;
-    virtual void speakingErrorOccurred() = 0;
+    virtual void speakingErrorOccurred(std::optional<SpeechSynthesisErrorCode>) = 0;
     virtual void boundaryEventOccurred(bool wordBoundary, unsigned charIndex, unsigned charLength) = 0;
     virtual void voicesChanged() = 0;
 };

Source/WebCore/platform/PlatformSpeechSynthesizer.h

@@ -29,7 +29,8 @@
 #if ENABLE(SPEECH_SYNTHESIS)
 
 #include "PlatformSpeechSynthesisVoice.h"
-#include <wtf/RefPtr.h>
+#include "SpeechSynthesisErrorCode.h"
+#include <optional>
 #include <wtf/Vector.h>
 
 #if PLATFORM(COCOA)
@@ -55,7 +56,7 @@ class PlatformSpeechSynthesizerClient {
     virtual void didFinishSpeaking(PlatformSpeechSynthesisUtterance&) = 0;
     virtual void didPauseSpeaking(PlatformSpeechSynthesisUtterance&) = 0;
     virtual void didResumeSpeaking(PlatformSpeechSynthesisUtterance&) = 0;
-    virtual void speakingErrorOccurred(PlatformSpeechSynthesisUtterance&) = 0;
+    virtual void speakingErrorOccurred(PlatformSpeechSynthesisUtterance&, std::optional<SpeechSynthesisErrorCode>) = 0;
     virtual void boundaryEventOccurred(PlatformSpeechSynthesisUtterance&, SpeechBoundary, unsigned charIndex, unsigned charLength) = 0;
     virtual void voicesDidChange() = 0;
 protected:

Source/WebCore/platform/mock/PlatformSpeechSynthesizerMock.cpp

@@ -81,7 +81,7 @@ void PlatformSpeechSynthesizerMock::cancel()
 
     m_speakingFinishedTimer.stop();
     auto utterance = std::exchange(m_utterance, nullptr);
-    client().speakingErrorOccurred(*utterance);
+    client().speakingErrorOccurred(*utterance, SpeechSynthesisErrorCode::Canceled);
 }
 
 void PlatformSpeechSynthesizerMock::pause()

Source/WebKit/UIProcess/WebPageProxyInternals.h

@@ -363,7 +363,7 @@ struct WebPageProxy::Internals final : WebPopupMenuProxy::Client
     void didFinishSpeaking(WebCore::PlatformSpeechSynthesisUtterance&) final;
     void didPauseSpeaking(WebCore::PlatformSpeechSynthesisUtterance&) final;
     void didResumeSpeaking(WebCore::PlatformSpeechSynthesisUtterance&) final;
-    void speakingErrorOccurred(WebCore::PlatformSpeechSynthesisUtterance&) final;
+    void speakingErrorOccurred(WebCore::PlatformSpeechSynthesisUtterance&, std::optional<WebCore::SpeechSynthesisErrorCode>) final;
     void boundaryEventOccurred(WebCore::PlatformSpeechSynthesisUtterance&, WebCore::SpeechBoundary, unsigned characterIndex, unsigned characterLength) final;
 
     // PlatformSpeechSynthesizerClient

Source/WebKit/UIProcess/gstreamer/WebPageProxyGStreamer.cpp

@@ -58,9 +58,12 @@ void WebPageProxy::Internals::didResumeSpeaking(WebCore::PlatformSpeechSynthesis
         handler();
 }
 
-void WebPageProxy::Internals::speakingErrorOccurred(WebCore::PlatformSpeechSynthesisUtterance&)
+void WebPageProxy::Internals::speakingErrorOccurred(WebCore::PlatformSpeechSynthesisUtterance&, std::optional<WebCore::SpeechSynthesisErrorCode> error)
 {
-    page.send(Messages::WebPage::SpeakingErrorOccurred());
+    if (!error)
+        page.send(Messages::WebPage::SpeakingErrorOccurred(std::nullopt));
+    else
+        page.send(Messages::WebPage::SpeakingErrorOccurred(static_cast<uint8_t>(*error)));
 }
 
 void WebPageProxy::Internals::boundaryEventOccurred(WebCore::PlatformSpeechSynthesisUtterance&, WebCore::SpeechBoundary speechBoundary, unsigned charIndex, unsigned charLength)

Source/WebKit/WebProcess/WebPage/WebPage.cpp

@@ -249,6 +249,7 @@
 #include <WebCore/PlatformKeyboardEvent.h>
 #include <WebCore/PlatformMediaSessionManager.h>
 #include <WebCore/PlatformMouseEvent.h>
+#include <WebCore/PlatformSpeechSynthesizer.h>
 #include <WebCore/PlatformStrategies.h>
 #include <WebCore/PluginDocument.h>
 #include <WebCore/PointerCaptureController.h>
@@ -8302,10 +8303,12 @@ void WebPage::systemPreviewActionTriggered(WebCore::SystemPreviewInfo previewInf
 #endif
 
 #if ENABLE(SPEECH_SYNTHESIS)
-void WebPage::speakingErrorOccurred()
+void WebPage::speakingErrorOccurred(std::optional<uint8_t> error)
 {
     if (auto observer = corePage()->speechSynthesisClient()->observer())
-        observer->speakingErrorOccurred();
+        observer->speakingErrorOccurred(!error
+                                        ? std::nullopt
+                                        : std::make_optional(static_cast<WebCore::SpeechSynthesisErrorCode>(*error)));
 }
 
 void WebPage::boundaryEventOccurred(bool wordBoundary, unsigned charIndex, unsigned charLength)