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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "content/browser/android/dialog_overlay_operations_impl.h" |
| 6 |
| 7 #include "content/public/browser/render_frame_host.h" |
| 8 #include "content/public/browser/web_contents.h" |
| 9 #include "gpu/ipc/common/gpu_surface_tracker.h" |
| 10 #include "jni/DialogOverlayOperationsImpl_jni.h" |
| 11 #include "ui/android/window_android.h" |
| 12 |
| 13 using base::android::AttachCurrentThread; |
| 14 using base::android::JavaParamRef; |
| 15 using base::android::ScopedJavaLocalRef; |
| 16 |
| 17 namespace content { |
| 18 |
| 19 // static |
| 20 bool DialogOverlayOperationsImpl::RegisterDialogOverlayOperationsImpl( |
| 21 JNIEnv* env) { |
| 22 return RegisterNativesImpl(env); |
| 23 } |
| 24 |
| 25 static jlong RegisterForTokens(JNIEnv* env, |
| 26 const JavaParamRef<jobject>& obj, |
| 27 jlong high, |
| 28 jlong low) { |
| 29 return reinterpret_cast<jlong>(new DialogOverlayOperationsImpl( |
| 30 obj, base::UnguessableToken::Deserialize(high, low))); |
| 31 } |
| 32 |
| 33 static void UnregisterForTokens(JNIEnv* env, |
| 34 const JavaParamRef<jobject>& obj, |
| 35 jlong handle) { |
| 36 delete reinterpret_cast<DialogOverlayOperationsImpl*>(handle); |
| 37 } |
| 38 |
| 39 DialogOverlayOperationsImpl::DialogOverlayOperationsImpl( |
| 40 const JavaParamRef<jobject>& receiver, |
| 41 const base::UnguessableToken& token) |
| 42 : receiver_(receiver), token_(token), cvc_(nullptr) { |
| 43 cvc_ = GetContentViewCore(); |
| 44 |
| 45 // If there's no CVC, then just post a null token immediately. |
| 46 if (!cvc_) { |
| 47 JNIEnv* env = AttachCurrentThread(); |
| 48 Java_DialogOverlayOperationsImpl_onDismissed(env, receiver_.obj()); |
| 49 // |this| might be destroyed. |
| 50 return; |
| 51 } |
| 52 |
| 53 cvc_->AddObserver(this); |
| 54 |
| 55 // Also send the initial token, since we'll only get changes. |
| 56 if (ui::WindowAndroid* window = cvc_->GetWindowAndroid()) { |
| 57 ScopedJavaLocalRef<jobject> token = window->GetWindowToken(); |
| 58 if (!token.is_null()) { |
| 59 JNIEnv* env = AttachCurrentThread(); |
| 60 Java_DialogOverlayOperationsImpl_onWindowToken(env, receiver_.obj(), |
| 61 token); |
| 62 } |
| 63 } |
| 64 } |
| 65 |
| 66 DialogOverlayOperationsImpl::~DialogOverlayOperationsImpl() { |
| 67 if (cvc_) |
| 68 cvc_->RemoveObserver(this); |
| 69 } |
| 70 |
| 71 void DialogOverlayOperationsImpl::OnContentViewCoreDestroyed() { |
| 72 cvc_ = nullptr; |
| 73 |
| 74 JNIEnv* env = AttachCurrentThread(); |
| 75 Java_DialogOverlayOperationsImpl_onDismissed(env, receiver_.obj()); |
| 76 // |this| might be destroyed. |
| 77 } |
| 78 |
| 79 void DialogOverlayOperationsImpl::OnAttachedToWindow() { |
| 80 JNIEnv* env = AttachCurrentThread(); |
| 81 |
| 82 ScopedJavaLocalRef<jobject> token; |
| 83 |
| 84 if (ui::WindowAndroid* window = cvc_->GetWindowAndroid()) |
| 85 token = window->GetWindowToken(); |
| 86 |
| 87 Java_DialogOverlayOperationsImpl_onWindowToken(env, receiver_.obj(), token); |
| 88 } |
| 89 |
| 90 void DialogOverlayOperationsImpl::OnDetachedFromWindow() { |
| 91 JNIEnv* env = AttachCurrentThread(); |
| 92 Java_DialogOverlayOperationsImpl_onWindowToken(env, receiver_.obj(), nullptr); |
| 93 } |
| 94 |
| 95 ContentViewCoreImpl* DialogOverlayOperationsImpl::GetContentViewCore() { |
| 96 // Get the frame from the token. |
| 97 content::RenderFrameHost* frame = |
| 98 content::RenderFrameHost::FromOverlayRoutingToken(token_); |
| 99 if (!frame) { |
| 100 DVLOG(1) << "Cannot find frame host for token " << token_; |
| 101 return nullptr; |
| 102 } |
| 103 |
| 104 content::WebContents* web_contents = |
| 105 content::WebContents::FromRenderFrameHost(frame); |
| 106 if (!web_contents) { |
| 107 DVLOG(1) << "Cannot find web_contents for token " << token_; |
| 108 return nullptr; |
| 109 } |
| 110 |
| 111 content::ContentViewCoreImpl* cvc = |
| 112 content::ContentViewCoreImpl::FromWebContents(web_contents); |
| 113 if (!cvc) { |
| 114 DVLOG(1) << "Cannot find cvc for token " << token_; |
| 115 return nullptr; |
| 116 } |
| 117 |
| 118 return cvc; |
| 119 } |
| 120 |
| 121 static jint RegisterSurface(JNIEnv* env, |
| 122 const base::android::JavaParamRef<jobject>& jcaller, |
| 123 const JavaParamRef<jobject>& surface) { |
| 124 return gpu::GpuSurfaceTracker::Get()->RegisterViewSurface(surface.obj()); |
| 125 } |
| 126 |
| 127 static void UnregisterSurface( |
| 128 JNIEnv* env, |
| 129 const base::android::JavaParamRef<jobject>& jcaller, |
| 130 jint surface_id) { |
| 131 gpu::GpuSurfaceTracker::Get()->UnregisterViewSurface(surface_id); |
| 132 } |
| 133 |
| 134 } // namespace content |
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