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// Copyright 2020 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_COMPOSITOR_SCENE_LAYER_OVERSCROLL_SCENE_LAYER_H_
#define CHROME_BROWSER_ANDROID_COMPOSITOR_SCENE_LAYER_OVERSCROLL_SCENE_LAYER_H_
#include "base/android/jni_weak_ref.h"
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "chrome/browser/ui/android/layouts/scene_layer.h"
#include "ui/android/overscroll_glow.h"
#include "ui/android/window_android_observer.h"
namespace ui {
class ResourceManager;
class WindowAndroid;
} // namespace ui
namespace android {
// Native layer that handles the overscroll glow animation effect for
// gesture navigation.
class OverscrollSceneLayer : public SceneLayer,
public ui::WindowAndroidObserver,
public ui::OverscrollGlowClient {
public:
OverscrollSceneLayer(JNIEnv* env,
const base::android::JavaParamRef<jobject>& jobj,
const base::android::JavaParamRef<jobject>& jwindow);
OverscrollSceneLayer(const OverscrollSceneLayer&) = delete;
OverscrollSceneLayer& operator=(const OverscrollSceneLayer&) = delete;
~OverscrollSceneLayer() override;
void Prepare(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
jfloat start_x,
jfloat start_y,
jint width,
jint height);
jboolean Update(JNIEnv* env,
const base::android::JavaParamRef<jobject>& object,
const base::android::JavaParamRef<jobject>& jresource_manager,
jfloat accumulated_overscroll_x,
jfloat delta_x);
void SetContentTree(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jobj,
const base::android::JavaParamRef<jobject>& jcontent_tree);
void OnReset(JNIEnv* env, const base::android::JavaParamRef<jobject>& jobj);
void SetNeedsAnimate();
// ui::WindowAndroidObserver implementation.
void OnRootWindowVisibilityChanged(bool visible) override {}
void OnAttachCompositor() override;
void OnDetachCompositor() override;
void OnAnimate(base::TimeTicks begin_frame_time) override;
void OnActivityStopped() override {}
void OnActivityStarted() override {}
private:
// OverscrollGlowClient implementation.
std::unique_ptr<ui::EdgeEffect> CreateEdgeEffect() override;
const raw_ptr<ui::WindowAndroid, DanglingUntriaged> window_;
std::unique_ptr<ui::OverscrollGlow> glow_effect_;
raw_ptr<ui::ResourceManager> resource_manager_ = nullptr;
gfx::Vector2dF start_pos_;
};
} // namespace android
#endif // CHROME_BROWSER_ANDROID_COMPOSITOR_SCENE_LAYER_OVERSCROLL_SCENE_LAYER_H_
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