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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ANDROID_CONTEXTUALSEARCH_NATIVE_CONTEXTUAL_SEARCH_CONTEXT_H_
#define CHROME_BROWSER_ANDROID_CONTEXTUALSEARCH_NATIVE_CONTEXTUAL_SEARCH_CONTEXT_H_
#include "base/android/jni_android.h"
#include "components/contextual_search/core/browser/contextual_search_context.h"
// A ContextualSearchContext subclass that is modifiable via JNI. This is the
// native implementation of the Java ContextualSearchContext; Instance lifetimes
// are managed by the associated Java object.
class NativeContextualSearchContext final : public ContextualSearchContext {
public:
NativeContextualSearchContext(JNIEnv* env, jobject obj);
NativeContextualSearchContext(const NativeContextualSearchContext&) = delete;
NativeContextualSearchContext& operator=(
const NativeContextualSearchContext&) = delete;
~NativeContextualSearchContext() override;
// ContextualSearchContext
base::WeakPtr<ContextualSearchContext> AsWeakPtr() override;
// Calls the destructor. Should be called when this native object is no
// longer needed.
void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
// Returns the NativeContextualSearchContext given the Java object.
static base::WeakPtr<NativeContextualSearchContext>
FromJavaContextualSearchContext(
const base::android::JavaRef<jobject>& j_contextual_search_context);
// Sets the properties needed to resolve a context.
void SetResolveProperties(JNIEnv* env,
jobject obj,
std::string& home_country,
jboolean j_may_send_base_page_url);
// Adjust the current selection offsets by the given signed amounts.
void AdjustSelection(JNIEnv* env,
jobject obj,
jint j_start_adjust,
jint j_end_adjust);
// Prepares the context to be used in a resolve request by supplying last
// minute parameters.
// |j_is_exact_resolve| indicates if the resolved term should be an exact
// match for the selection range instead of an expandable selection.
// |j_related_searches_stamp| is a value to stamp onto search URLs to
// identify related searches. If the string is empty then Related Searches
// are not being requested.
void PrepareToResolve(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
jboolean j_is_exact_resolve,
std::string& related_searches_stamp);
// Detects the language of the context using CLD from the translate utility.
std::string DetectLanguage(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj) const;
// Sets the languages to remember for use in translation.
// See |GetTranslationLanguages|.
void SetTranslationLanguages(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
std::string& detected_language,
std::string& target_language,
std::string& fluent_languages);
private:
// The linked Java object.
base::android::ScopedJavaGlobalRef<jobject> java_object_;
base::WeakPtrFactory<NativeContextualSearchContext> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_ANDROID_CONTEXTUALSEARCH_NATIVE_CONTEXTUAL_SEARCH_CONTEXT_H_
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