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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/web_contents.h" |
| 8 #include "gpu/ipc/common/gpu_surface_tracker.h" |
| 9 #include "jni/DialogOverlayOperationsImpl_jni.h" |
| 10 #include "ui/android/window_android.h" |
| 11 |
| 12 using base::android::AttachCurrentThread; |
| 13 using base::android::JavaParamRef; |
| 14 using base::android::ScopedJavaLocalRef; |
| 15 |
| 16 namespace content { |
| 17 |
| 18 // static |
| 19 bool DialogOverlayOperationsImpl::RegisterDialogOverlayOperationsImpl( |
| 20 JNIEnv* env) { |
| 21 return RegisterNativesImpl(env); |
| 22 } |
| 23 |
| 24 static jlong RegisterForTokens(JNIEnv* env, |
| 25 const JavaParamRef<jobject>& obj, |
| 26 jlong high, |
| 27 jlong low) { |
| 28 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 29 return reinterpret_cast<jlong>(new DialogOverlayOperationsImpl( |
| 30 obj, base::UnguessableToken::Deserialize(high, low))); |
| 31 } |
| 32 |
| 33 static void UnregisterForTokens( |
| 34 JNIEnv* env, |
| 35 const base::android::JavaParamRef<jclass>& jcaller, |
| 36 jlong handle) { |
| 37 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 38 |
| 39 DialogOverlayOperationsImpl* impl = |
| 40 reinterpret_cast<DialogOverlayOperationsImpl*>(handle); |
| 41 if (!impl) |
| 42 return; |
| 43 |
| 44 // Make sure that no tokens are sent after this, even though destruction will |
| 45 // be deferred. |
| 46 impl->UnregisterForTokensIfNeeded(); |
| 47 |
| 48 // We delete soon since this might be part of an onDismissed callback. |
| 49 BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, impl); |
| 50 } |
| 51 |
| 52 DialogOverlayOperationsImpl::DialogOverlayOperationsImpl( |
| 53 const JavaParamRef<jobject>& receiver, |
| 54 const base::UnguessableToken& token) |
| 55 : receiver_(receiver), token_(token), cvc_(nullptr) { |
| 56 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 57 cvc_ = GetContentViewCore(); |
| 58 |
| 59 // If there's no CVC, then just post a null token immediately. |
| 60 if (!cvc_) { |
| 61 JNIEnv* env = AttachCurrentThread(); |
| 62 Java_DialogOverlayOperationsImpl_onDismissed(env, receiver_.obj()); |
| 63 return; |
| 64 } |
| 65 |
| 66 cvc_->AddObserver(this); |
| 67 |
| 68 // Also send the initial token, since we'll only get changes. |
| 69 if (ui::WindowAndroid* window = cvc_->GetWindowAndroid()) { |
| 70 ScopedJavaLocalRef<jobject> token = window->GetWindowToken(); |
| 71 if (!token.is_null()) { |
| 72 JNIEnv* env = AttachCurrentThread(); |
| 73 Java_DialogOverlayOperationsImpl_onWindowToken(env, receiver_.obj(), |
| 74 token); |
| 75 } |
| 76 } |
| 77 } |
| 78 |
| 79 DialogOverlayOperationsImpl::~DialogOverlayOperationsImpl() { |
| 80 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 81 UnregisterForTokensIfNeeded(); |
| 82 } |
| 83 |
| 84 void DialogOverlayOperationsImpl::UnregisterForTokensIfNeeded() { |
| 85 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 86 if (!cvc_) |
| 87 return; |
| 88 |
| 89 cvc_->RemoveObserver(this); |
| 90 cvc_ = nullptr; |
| 91 } |
| 92 |
| 93 void DialogOverlayOperationsImpl::OnContentViewCoreDestroyed() { |
| 94 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 95 cvc_ = nullptr; |
| 96 |
| 97 JNIEnv* env = AttachCurrentThread(); |
| 98 Java_DialogOverlayOperationsImpl_onDismissed(env, receiver_.obj()); |
| 99 } |
| 100 |
| 101 void DialogOverlayOperationsImpl::OnAttachedToWindow() { |
| 102 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 103 JNIEnv* env = AttachCurrentThread(); |
| 104 |
| 105 ScopedJavaLocalRef<jobject> token; |
| 106 |
| 107 if (ui::WindowAndroid* window = cvc_->GetWindowAndroid()) |
| 108 token = window->GetWindowToken(); |
| 109 |
| 110 Java_DialogOverlayOperationsImpl_onWindowToken(env, receiver_.obj(), token); |
| 111 } |
| 112 |
| 113 void DialogOverlayOperationsImpl::OnDetachedFromWindow() { |
| 114 JNIEnv* env = AttachCurrentThread(); |
| 115 Java_DialogOverlayOperationsImpl_onWindowToken(env, receiver_.obj(), nullptr); |
| 116 } |
| 117 |
| 118 ContentViewCoreImpl* DialogOverlayOperationsImpl::GetContentViewCore() { |
| 119 // Get the frame from the token. |
| 120 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 121 content::RenderFrameHost* frame = |
| 122 content::RenderFrameHostImpl::FromOverlayRoutingToken(token_); |
| 123 if (!frame) { |
| 124 DVLOG(1) << "Cannot find frame host for token " << token_; |
| 125 return nullptr; |
| 126 } |
| 127 |
| 128 content::WebContents* web_contents = |
| 129 content::WebContents::FromRenderFrameHost(frame); |
| 130 DCHECK(web_contents); |
| 131 |
| 132 content::ContentViewCoreImpl* cvc = |
| 133 content::ContentViewCoreImpl::FromWebContents(web_contents); |
| 134 if (!cvc) { |
| 135 DVLOG(1) << "Cannot find cvc for token " << token_; |
| 136 return nullptr; |
| 137 } |
| 138 |
| 139 return cvc; |
| 140 } |
| 141 |
| 142 static jint RegisterSurface(JNIEnv* env, |
| 143 const base::android::JavaParamRef<jclass>& jcaller, |
| 144 const JavaParamRef<jobject>& surface) { |
| 145 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 146 return gpu::GpuSurfaceTracker::Get()->RegisterViewSurface(surface.obj()); |
| 147 } |
| 148 |
| 149 static void UnregisterSurface( |
| 150 JNIEnv* env, |
| 151 const base::android::JavaParamRef<jclass>& jcaller, |
| 152 jint surface_id) { |
| 153 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 154 gpu::GpuSurfaceTracker::Get()->UnregisterViewSurface(surface_id); |
| 155 } |
| 156 |
| 157 } // namespace content |
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