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// Copyright 2014 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 CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_CLIENT_H_
#define CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_CLIENT_H_
#include <memory>
#include <string>
#include "base/macros.h"
#include "chrome/browser/ui/translate/translate_bubble_model.h"
#include "components/translate/content/browser/content_translate_driver.h"
#include "components/translate/core/browser/translate_client.h"
#include "components/translate/core/browser/translate_step.h"
#include "components/translate/core/common/translate_errors.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
namespace content {
class BrowserContext;
class WebContents;
} // namespace content
class PrefService;
namespace translate {
class LanguageModel;
class LanguageState;
class TranslateAcceptLanguages;
class TranslatePrefs;
class TranslateManager;
} // namespace translate
enum class ShowTranslateBubbleResult;
class ChromeTranslateClient
: public translate::TranslateClient,
public translate::ContentTranslateDriver::Observer,
public content::WebContentsObserver,
public content::WebContentsUserData<ChromeTranslateClient> {
public:
~ChromeTranslateClient() override;
// Gets the LanguageState associated with the page.
translate::LanguageState& GetLanguageState();
// Returns the ContentTranslateDriver instance associated with this
// WebContents.
translate::ContentTranslateDriver& translate_driver() {
return translate_driver_;
}
// Helper method to return a new TranslatePrefs instance.
static std::unique_ptr<translate::TranslatePrefs> CreateTranslatePrefs(
PrefService* prefs);
// Helper method to return the TranslateAcceptLanguages instance associated
// with |browser_context|.
static translate::TranslateAcceptLanguages* GetTranslateAcceptLanguages(
content::BrowserContext* browser_context);
// Helper method to return the TranslateManager instance associated with
// |web_contents|, or NULL if there is no such associated instance.
static translate::TranslateManager* GetManagerFromWebContents(
content::WebContents* web_contents);
// Gets |source| and |target| language for translation.
static void GetTranslateLanguages(content::WebContents* web_contents,
std::string* source,
std::string* target);
static void BindContentTranslateDriver(
content::RenderFrameHost* render_frame_host,
translate::mojom::ContentTranslateDriverRequest request);
// Gets the associated TranslateManager.
translate::TranslateManager* GetTranslateManager();
// Gets the associated WebContents. Returns NULL if the WebContents is being
// destroyed.
content::WebContents* GetWebContents();
// TranslateClient implementation.
translate::TranslateDriver* GetTranslateDriver() override;
PrefService* GetPrefs() override;
std::unique_ptr<translate::TranslatePrefs> GetTranslatePrefs() override;
translate::TranslateAcceptLanguages* GetTranslateAcceptLanguages() override;
int GetInfobarIconID() const override;
#if !defined(USE_AURA)
std::unique_ptr<infobars::InfoBar> CreateInfoBar(
std::unique_ptr<translate::TranslateInfoBarDelegate> delegate)
const override;
#endif
void ShowTranslateUI(translate::TranslateStep step,
const std::string& source_language,
const std::string& target_language,
translate::TranslateErrors::Type error_type,
bool triggered_from_menu) override;
bool IsTranslatableURL(const GURL& url) override;
void ShowReportLanguageDetectionErrorUI(const GURL& report_url) override;
// ContentTranslateDriver::Observer implementation.
void OnLanguageDetermined(
const translate::LanguageDetectionDetails& details) override;
void OnPageTranslated(const std::string& original_lang,
const std::string& translated_lang,
translate::TranslateErrors::Type error_type) override;
private:
explicit ChromeTranslateClient(content::WebContents* web_contents);
friend class content::WebContentsUserData<ChromeTranslateClient>;
// content::WebContentsObserver implementation.
void WebContentsDestroyed() override;
// Shows the translate bubble.
ShowTranslateBubbleResult ShowBubble(
translate::TranslateStep step,
translate::TranslateErrors::Type error_type);
translate::ContentTranslateDriver translate_driver_;
std::unique_ptr<translate::TranslateManager> translate_manager_;
// Model to be notified about detected language of every page visited. Not
// owned here.
translate::LanguageModel* language_model_;
DISALLOW_COPY_AND_ASSIGN(ChromeTranslateClient);
};
#endif // CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_CLIENT_H_
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