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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_ACCESSIBILITY_CAPTIONING_CONTROLLER_H_
#define CONTENT_BROWSER_ACCESSIBILITY_CAPTIONING_CONTROLLER_H_
#include "base/android/jni_android.h"
#include "base/android/jni_weak_ref.h"
#include "base/android/scoped_java_ref.h"
#include "content/public/browser/web_contents_observer.h"
namespace content {
class WebContents;
// System captioning bridge for Android. Owns itself, and gets destroyed
// together with WebContents.
class CaptioningController : public WebContentsObserver {
public:
CaptioningController(JNIEnv* env,
const base::android::JavaRef<jobject>& obj,
WebContents* web_contents);
~CaptioningController() override;
CaptioningController(const CaptioningController&) = delete;
CaptioningController& operator=(const CaptioningController&) = delete;
void SetTextTrackSettings(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
jboolean textTracksEnabled,
const base::android::JavaParamRef<jstring>& textTrackBackgroundColor,
const base::android::JavaParamRef<jstring>& textTrackFontFamily,
const base::android::JavaParamRef<jstring>& textTrackFontStyle,
const base::android::JavaParamRef<jstring>& textTrackFontVariant,
const base::android::JavaParamRef<jstring>& textTrackTextColor,
const base::android::JavaParamRef<jstring>& textTrackTextShadow,
const base::android::JavaParamRef<jstring>& textTrackTextSize);
private:
// WebContentsObserver implementation.
void PrimaryPageChanged(Page& page) override;
void RenderViewReady() override;
void WebContentsDestroyed() override;
// A weak reference to the Java CaptioningController object.
JavaObjectWeakGlobalRef java_ref_;
};
} // namespace content
#endif // CONTENT_BROWSER_ACCESSIBILITY_CAPTIONING_CONTROLLER_H_
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