[WIP] Add support for Android SuggestionSpans when editing text

content/browser/android/ime_adapter_android.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_ANDROID_IME_ADAPTER_ANDROID_H_
 #define CONTENT_BROWSER_ANDROID_IME_ADAPTER_ANDROID_H_
 
 #include <jni.h>
 
 #include <vector>
 
 #include "base/android/jni_weak_ref.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/web_contents_observer.h"
+#include "third_party/WebKit/public/platform/input_host.mojom.h"
+#include "third_party/WebKit/public/platform/input_messages.mojom.h"
 #include "ui/gfx/geometry/rect_f.h"
 
 namespace blink {
 
 struct WebCompositionUnderline;
+struct WebTextSuggestionInfo;
 
 }  // namespace blink
 
 namespace content {
 
 class RenderFrameHost;
 class RenderWidgetHostImpl;
 class RenderWidgetHostViewAndroid;
 
 // This class is in charge of dispatching key events from the java side
@@ skipping 48 matching lines @@
       JNIEnv*,
       const base::android::JavaParamRef<jobject>&,
       int before,
       int after);
   void RequestCursorUpdate(JNIEnv*,
                            const base::android::JavaParamRef<jobject>&,
                            bool immediateRequest,
                            bool monitorRequest);
   bool RequestTextInputStateUpdate(JNIEnv*,
                                    const base::android::JavaParamRef<jobject>&);
+  void ApplySuggestionReplacement(JNIEnv*,
+                                  const base::android::JavaParamRef<jobject>&,
+                                  long documentMarkerID,
+                                  int suggestionIndex);
+  void DeleteSuggestionHighlight(JNIEnv*,
+                                 const base::android::JavaParamRef<jobject>&);
+  void SuggestionMenuClosed(JNIEnv*,
+                            const base::android::JavaParamRef<jobject>&);
 
   // Called from native -> java
   void CancelComposition();
   void FocusedNodeChanged(bool is_editable_node);
   void SetCharacterBounds(const std::vector<gfx::RectF>& rects);
+  void ShowTextSuggestionMenu(
+      const std::vector<blink::mojom::TextSuggestionInfoPtr>& suggestion_infos);
 
   base::android::ScopedJavaLocalRef<jobject> java_ime_adapter_for_testing(
       JNIEnv* env) {
     return java_ime_adapter_.get(env);
   }
 
   // WebContentsObserver implementation.
   void RenderViewReady() override;
   void RenderViewHostChanged(RenderViewHost* old_host,
                              RenderViewHost* new_host) override;
   void DidAttachInterstitialPage() override;
   void DidDetachInterstitialPage() override;
   void WebContentsDestroyed() override;
 
  private:
   RenderWidgetHostImpl* GetFocusedWidget();
   RenderFrameHost* GetFocusedFrame();
   std::vector<blink::WebCompositionUnderline> GetUnderlinesFromSpans(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj,
       const base::android::JavaParamRef<jobject>& text,
       const base::string16& text16);
+  const blink::mojom::TextSuggestionBackendPtr& GetTextSuggestionBackend();
   RenderWidgetHostViewAndroid* GetRenderWidgetHostViewAndroid() const;
   void UpdateRenderProcessConnection(RenderWidgetHostViewAndroid* new_rwhva);
 
   base::WeakPtr<RenderWidgetHostViewAndroid> rwhva_;
   JavaObjectWeakGlobalRef java_ime_adapter_;
+  blink::mojom::TextSuggestionBackendPtr text_suggestion_backend_;
 };
 
 bool RegisterImeAdapter(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_IME_ADAPTER_ANDROID_H_