| // Copyright 2017 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 CONTENT_BROWSER_ANDROID_DIALOG_OVERLAY_IMPL_H_ |
| #define CONTENT_BROWSER_ANDROID_DIALOG_OVERLAY_IMPL_H_ |
| |
| #include "base/android/jni_android.h" |
| #include "base/android/jni_weak_ref.h" |
| #include "base/android/scoped_java_ref.h" |
| #include "base/unguessable_token.h" |
| #include "content/browser/frame_host/render_frame_host_impl.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "ui/android/view_android_observer.h" |
| #include "ui/android/window_android.h" |
| #include "ui/android/window_android_observer.h" |
| |
| namespace content { |
| |
| // Native counterpart to DialogOverlayImpl java class. This is created by the |
| // java side. When the WebContents for the provided token is attached or |
| // detached from a WindowAndroid, we get the Android window token and notify the |
| // java side. |
| class DialogOverlayImpl : public ui::ViewAndroidObserver, |
| public ui::WindowAndroidObserver, |
| public WebContentsObserver { |
| public: |
| // This may not call back into |obj| directly, but must post. This is because |
| // |obj| is still being initialized. |
| DialogOverlayImpl(const base::android::JavaParamRef<jobject>& obj, |
| RenderFrameHostImpl* rfhi, |
| WebContents* web_contents, |
| bool power_efficient); |
| ~DialogOverlayImpl() override; |
| |
| // Called when the java side is ready for token / dismissed callbacks. May |
| // call back before returning. Must guarantee that a token is eventually sent |
| // if we have one. |
| void CompleteInit(JNIEnv* env, |
| const base::android::JavaParamRef<jobject>& obj); |
| |
| // Clean up and post to delete |this| later. |
| void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj); |
| |
| // Calls ReceiveCompositorOffset() (java) with the compositor screen offset |
| // before returning, in physical pixels. We send |rect| as a convenience. |
| void GetCompositorOffset(JNIEnv* env, |
| const base::android::JavaParamRef<jobject>& obj, |
| const base::android::JavaParamRef<jobject>& rect); |
| |
| // ui::ViewAndroidObserver |
| void OnAttachedToWindow() override; |
| void OnDetachedFromWindow() override; |
| |
| // WebContentsObserver |
| void OnVisibilityChanged(content::Visibility visibility) override; |
| void WebContentsDestroyed() override; |
| void DidToggleFullscreenModeForTab(bool entered_fullscreen, |
| bool will_cause_resize) override; |
| void FrameDeleted(RenderFrameHost* render_frame_host) override; |
| void RenderFrameDeleted(RenderFrameHost* render_frame_host) override; |
| void RenderFrameHostChanged(RenderFrameHost* old_host, |
| RenderFrameHost* new_host) override; |
| |
| // Unregister callbacks if previously registered. |
| void UnregisterCallbacksIfNeeded(); |
| |
| // WindowAndroidObserver |
| void OnRootWindowVisibilityChanged(bool visible) override; |
| void OnCompositingDidCommit() override {} |
| void OnAttachCompositor() override {} |
| void OnDetachCompositor() override {} |
| void OnActivityStopped() override {} |
| void OnActivityStarted() override {} |
| |
| private: |
| // Signals the overlay should be cleaned up and no longer used. |
| void Stop(); |
| void RegisterWindowObserverIfNeeded(ui::WindowAndroid* window); |
| |
| // Java object that owns us. |
| JavaObjectWeakGlobalRef obj_; |
| |
| // RenderFrameHostImpl* associated with the given overlay routing token. |
| RenderFrameHostImpl* rfhi_; |
| |
| // Do we care about power efficiency? |
| bool power_efficient_; |
| |
| // Whether we added ourselves as an observer through WindowAndroid. |
| bool observed_window_android_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_ANDROID_DIALOG_OVERLAY_IMPL_H_ |