| // Copyright 2017 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_ANDROID_GESTURE_LISTENER_MANAGER_H_ |
| #define CONTENT_BROWSER_ANDROID_GESTURE_LISTENER_MANAGER_H_ |
| |
| #include "base/android/jni_weak_ref.h" |
| #include "base/android/scoped_java_ref.h" |
| #include "base/memory/raw_ptr.h" |
| #include "cc/mojom/render_frame_metadata.mojom-shared.h" |
| #include "content/browser/android/render_widget_host_connector.h" |
| #include "content/common/content_export.h" |
| #include "third_party/blink/public/mojom/input/input_event_result.mojom-shared.h" |
| |
| namespace blink { |
| class WebGestureEvent; |
| } |
| |
| namespace gfx { |
| class SizeF; |
| class PointF; |
| } // namespace gfx |
| |
| namespace content { |
| |
| class WebContentsImpl; |
| |
| // Native class for GestureListenerManagerImpl. |
| class CONTENT_EXPORT GestureListenerManager : public RenderWidgetHostConnector { |
| public: |
| GestureListenerManager(JNIEnv* env, |
| const base::android::JavaParamRef<jobject>& obj, |
| WebContentsImpl* web_contents); |
| |
| GestureListenerManager(const GestureListenerManager&) = delete; |
| GestureListenerManager& operator=(const GestureListenerManager&) = delete; |
| |
| ~GestureListenerManager() override; |
| |
| void ResetGestureDetection(JNIEnv* env, |
| const base::android::JavaParamRef<jobject>& obj); |
| void SetDoubleTapSupportEnabled( |
| JNIEnv* env, |
| const base::android::JavaParamRef<jobject>& obj, |
| jboolean enabled); |
| void SetMultiTouchZoomSupportEnabled( |
| JNIEnv* env, |
| const base::android::JavaParamRef<jobject>& obj, |
| jboolean enabled); |
| cc::mojom::RootScrollOffsetUpdateFrequency |
| root_scroll_offset_update_frequency() const { |
| return root_scroll_offset_update_frequency_.value_or( |
| cc::mojom::RootScrollOffsetUpdateFrequency::kNone); |
| } |
| void SetRootScrollOffsetUpdateFrequency(JNIEnv* env, jint frequency); |
| void GestureEventAck(const blink::WebGestureEvent& event, |
| blink::mojom::InputEventResultState ack_result); |
| void DidStopFlinging(); |
| bool FilterInputEvent(const blink::WebInputEvent& event); |
| |
| // All sizes and offsets are in CSS pixels (except |top_show_pix|) |
| // as cached by the renderer. |
| void UpdateScrollInfo(const gfx::PointF& scroll_offset, |
| float page_scale_factor, |
| const float min_page_scale, |
| const float max_page_scale, |
| const gfx::SizeF& content, |
| const gfx::SizeF& viewport, |
| const float content_offset, |
| const float top_shown_pix, |
| bool top_changed); |
| void UpdateOnTouchDown(); |
| void OnRootScrollOffsetChanged(const gfx::PointF& root_scroll_offset); |
| |
| // RendetWidgetHostConnector implementation. |
| void UpdateRenderProcessConnection( |
| RenderWidgetHostViewAndroid* old_rwhva, |
| RenderWidgetHostViewAndroid* new_rhwva) override; |
| |
| void OnPrimaryPageChanged(); |
| void OnRenderProcessGone(); |
| |
| bool IsScrollInProgressForTesting(); |
| |
| private: |
| class ResetScrollObserver; |
| |
| void ResetPopupsAndInput(bool render_process_gone); |
| |
| std::unique_ptr<ResetScrollObserver> reset_scroll_observer_; |
| raw_ptr<WebContentsImpl> web_contents_; |
| raw_ptr<RenderWidgetHostViewAndroid> rwhva_ = nullptr; |
| |
| // A weak reference to the Java GestureListenerManager object. |
| JavaObjectWeakGlobalRef java_ref_; |
| |
| // Highest update frequency requested by any of the listeners. |
| std::optional<cc::mojom::RootScrollOffsetUpdateFrequency> |
| root_scroll_offset_update_frequency_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_ANDROID_GESTURE_LISTENER_MANAGER_H_ |