aichat: new-opt-in, toggle and prompt changes uplifting to 1.62.x (#2…

…1314)

* Merge pull request #21063 from brave/ai-chat-summary-prompt-force-english

ai chat: fix summary prompt for pages is being translated

* AIChat: new welcome opt-in ux and contextual toggle (#20966)

* aichat: new opt-in ux

* simplify siteInfo

* aichat: toggle page context responses from LLM

* moved build site info to conversation driver

* special summarize button visibility depends on toggle

* MakeAPIRequestWithConversationHistoryUpdate accepts a flag

* show model intro on all pages

* AI Chat: Don't show suggested questions when conversation isn't associated with content

* AI Chat: conversation entry should also be pending if content isn't ready yet

---------

Co-authored-by: Pete Miller <miller.pete@gmail.com>

---------

Co-authored-by: Pete Miller <miller.pete@gmail.com>

browser/ui/webui/ai_chat/ai_chat_ui_page_handler.cc

@@ -30,6 +30,7 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/url_constants.h"
+#include "ui/base/l10n/l10n_util.h"
 
 #if BUILDFLAG(IS_ANDROID)
 #include "brave/browser/ui/android/ai_chat/brave_leo_settings_launcher_helper.h"
@@ -90,6 +91,14 @@ AIChatUIPageHandler::~AIChatUIPageHandler() = default;
 void AIChatUIPageHandler::SetClientPage(
     mojo::PendingRemote<ai_chat::mojom::ChatUIPage> page) {
   page_.Bind(std::move(page));
+
+  // In some cases, this page handler hasn't been created and remote might not
+  // have been set yet.
+  // ex. A user may ask a question from the location bar
+  if (active_chat_tab_helper_ &&
+      active_chat_tab_helper_->HasPendingConversationEntry()) {
+    OnConversationEntryPending();
+  }
 }
 
 void AIChatUIPageHandler::GetModels(GetModelsCallback callback) {
@@ -124,6 +133,12 @@ void AIChatUIPageHandler::SubmitHumanConversationEntry(
       std::move(turn));
 }
 
+void AIChatUIPageHandler::SubmitSummarizationRequest() {
+  if (active_chat_tab_helper_) {
+    active_chat_tab_helper_->SubmitSummarizationRequest();
+  }
+}
+
 void AIChatUIPageHandler::GetConversationHistory(
     GetConversationHistoryCallback callback) {
   if (!active_chat_tab_helper_) {
@@ -168,16 +183,12 @@ void AIChatUIPageHandler::GenerateQuestions() {
 void AIChatUIPageHandler::GetSiteInfo(GetSiteInfoCallback callback) {
   if (!active_chat_tab_helper_) {
     VLOG(2) << "Chat tab helper is not set";
-    std::move(callback).Run(false, nullptr);
+    std::move(callback).Run({});
     return;
   }
 
-  auto site_info = BuildSiteInfo();
-  const bool is_fetching_content = active_chat_tab_helper_->HasPageContent() ==
-                                   PageContentAssociation::FETCHING_CONTENT;
-  std::move(callback).Run(is_fetching_content, site_info.has_value()
-                                                   ? site_info.value().Clone()
-                                                   : nullptr);
+  auto site_info = active_chat_tab_helper_->BuildSiteInfo();
+  std::move(callback).Run(site_info.Clone());
 }
 
 void AIChatUIPageHandler::OpenBraveLeoSettings() {
@@ -218,9 +229,17 @@ void AIChatUIPageHandler::OpenURL(const GURL& url) {
 #endif
 }
 
-void AIChatUIPageHandler::DisconnectPageContents() {
+void AIChatUIPageHandler::SetShouldSendPageContents(bool should_send) {
+  if (active_chat_tab_helper_) {
+    active_chat_tab_helper_->SetShouldSendPageContents(should_send);
+  }
+}
+
+void AIChatUIPageHandler::GetShouldSendPageContents(
+    GetShouldSendPageContentsCallback callback) {
   if (active_chat_tab_helper_) {
-    active_chat_tab_helper_->DisconnectPageContents();
+    std::move(callback).Run(
+        active_chat_tab_helper_->GetShouldSendPageContents());
   }
 }
 
@@ -390,22 +409,15 @@ void AIChatUIPageHandler::OnFaviconImageDataChanged() {
   }
 }
 
-void AIChatUIPageHandler::OnPageHasContent(bool page_contents_is_truncated) {
+void AIChatUIPageHandler::OnPageHasContent(mojom::SiteInfoPtr site_info) {
+  if (page_.is_bound()) {
+    page_->OnSiteInfoChanged(std::move(site_info));
+  }
+}
+
+void AIChatUIPageHandler::OnConversationEntryPending() {
   if (page_.is_bound()) {
-    // TODO(petemill): Looking at the target webcontents'
-    // |IsDocumentOnLoadCompletedInPrimaryMainFrame| could be improved with
-    // a function on TabHelper / Conversation, e.g. IsContentLoading so that
-    // MaybeGeneratePageText and this function are looking at the same thing.
-    // This should be refactored with iOS support.
-    const bool is_fetching_content =
-        (active_chat_tab_helper_->HasPageContent() ==
-         PageContentAssociation::FETCHING_CONTENT) ||
-        !active_chat_tab_helper_->web_contents()
-             ->IsDocumentOnLoadCompletedInPrimaryMainFrame();
-    auto site_info = BuildSiteInfo();
-    page_->OnSiteInfoChanged(
-        is_fetching_content,
-        site_info.has_value() ? site_info.value().Clone() : nullptr);
+    page_->OnConversationEntryPending();
   }
 }
 
@@ -441,21 +453,6 @@ void AIChatUIPageHandler::GetFaviconImageData(
       &favicon_task_tracker_);
 }
 
-absl::optional<mojom::SiteInfo> AIChatUIPageHandler::BuildSiteInfo() {
-  if (active_chat_tab_helper_ && active_chat_tab_helper_->HasPageContent() ==
-                                     PageContentAssociation::HAS_CONTENT) {
-    mojom::SiteInfo site_info;
-    site_info.title =
-        base::UTF16ToUTF8(active_chat_tab_helper_->web_contents()->GetTitle());
-    site_info.is_content_truncated =
-        active_chat_tab_helper_->IsPageContentsTruncated();
-
-    return site_info;
-  }
-
-  return absl::nullopt;
-}
-
 void AIChatUIPageHandler::OnVisibilityChanged(content::Visibility visibility) {
   // WebUI visibility changed (not target tab)
   if (!active_chat_tab_helper_) {

browser/ui/webui/ai_chat/ai_chat_ui_page_handler.h

@@ -54,14 +54,17 @@ class AIChatUIPageHandler : public ai_chat::mojom::PageHandler,
   void GetModels(GetModelsCallback callback) override;
   void ChangeModel(const std::string& model_key) override;
   void SubmitHumanConversationEntry(const std::string& input) override;
+  void SubmitSummarizationRequest() override;
   void GetConversationHistory(GetConversationHistoryCallback callback) override;
   void MarkAgreementAccepted() override;
   void GetSuggestedQuestions(GetSuggestedQuestionsCallback callback) override;
   void GenerateQuestions() override;
   void GetSiteInfo(GetSiteInfoCallback callback) override;
   void OpenBraveLeoSettings() override;
   void OpenURL(const GURL& url) override;
-  void DisconnectPageContents() override;
+  void SetShouldSendPageContents(bool should_send) override;
+  void GetShouldSendPageContents(
+      GetShouldSendPageContentsCallback callback) override;
   void ClearConversationHistory() override;
   void RetryAPIRequest() override;
   void GetAPIResponseError(GetAPIResponseErrorCallback callback) override;
@@ -89,10 +92,10 @@ class AIChatUIPageHandler : public ai_chat::mojom::PageHandler,
       std::vector<std::string> questions,
       mojom::SuggestionGenerationStatus suggestion_generation_status) override;
   void OnFaviconImageDataChanged() override;
-  void OnPageHasContent(bool page_contents_is_truncated) override;
+  void OnPageHasContent(mojom::SiteInfoPtr site_info) override;
+  void OnConversationEntryPending() override;
 
   void GetFaviconImageData(GetFaviconImageDataCallback callback) override;
-  absl::optional<mojom::SiteInfo> BuildSiteInfo();
 
   mojo::Remote<ai_chat::mojom::ChatUIPage> page_;
 

components/ai_chat/content/browser/ai_chat_tab_helper.cc

@@ -141,6 +141,10 @@ bool AIChatTabHelper::IsDocumentOnLoadCompletedInPrimaryMainFrame() const {
   return web_contents()->IsDocumentOnLoadCompletedInPrimaryMainFrame();
 }
 
+std::u16string AIChatTabHelper::GetPageTitle() const {
+  return web_contents()->GetTitle();
+}
+
 WEB_CONTENTS_USER_DATA_KEY_IMPL(AIChatTabHelper);
 
 }  // namespace ai_chat

components/ai_chat/content/browser/ai_chat_tab_helper.h

@@ -67,6 +67,7 @@ class AIChatTabHelper : public content::WebContentsObserver,
                           callback) const override;
   bool HasPrimaryMainFrame() const override;
   bool IsDocumentOnLoadCompletedInPrimaryMainFrame() const override;
+  std::u16string GetPageTitle() const override;
 
   raw_ptr<AIChatMetrics> ai_chat_metrics_;
 

components/ai_chat/core/browser/constants.cc

@@ -85,7 +85,21 @@ base::span<const webui::LocalizedString> GetLocalizedStrings() {
       {"gotItButtonLabel", IDS_CHAT_UI_GOT_IT_BUTTON_LABEL},
       {"pageContentTooLongWarning", IDS_CHAT_UI_PAGE_CONTENT_TOO_LONG_WARNING},
       {"errorConversationEnd", IDS_CHAT_UI_CONVERSATION_END_ERROR},
-      {"leoSettingsTooltipLabel", IDS_CHAT_UI_LEO_SETTINGS_TOOLTIP_LABEL}};
+      {"leoSettingsTooltipLabel", IDS_CHAT_UI_LEO_SETTINGS_TOOLTIP_LABEL},
+      {"summarizePageButtonLabel", IDS_CHAT_UI_SUMMARIZE_PAGE},
+      {"welcomeGuideTitle", IDS_CHAT_UI_WELCOME_GUIDE_TITLE},
+      {"welcomeGuideSubtitle", IDS_CHAT_UI_WELCOME_GUIDE_SUBTITLE},
+      {"welcomeGuideSiteHelpCardTitle",
+       IDS_CHAT_UI_WELCOME_GUIDE_SITE_HELP_CARD_TITLE},
+      {"welcomeGuideSiteHelpCardDesc",
+       IDS_CHAT_UI_WELCOME_GUIDE_SITE_HELP_CARD_DESC},
+      {"welcomeGuideSiteHelpCardDescWithAction",
+       IDS_CHAT_UI_WELCOME_GUIDE_SITE_HELP_CARD_WITH_ACTION},
+      {"welcomeGuideShatCardTitle", IDS_CHAT_UI_WELCOME_GUIDE_CHAT_CARD_TITLE},
+      {"welcomeGuideShatCardDesc", IDS_CHAT_UI_WELCOME_GUIDE_CHAT_CARD_DESC},
+      {"privacyTitle", IDS_CHAT_UI_PRIVACY_TITLE},
+      {"contextToggleLabel", IDS_CHAT_UI_CONTEXT_TOGGLE_LABEL},
+      {"contextToggleTooltipInfo", IDS_CHAT_UI_CONTEXT_TOGGLE_TOOLTIP_INFO}};
 
   return kLocalizedStrings;
 }