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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_impl.h" |
| 6 |
| 7 #include "content/public/browser/web_contents.h" |
| 8 #include "gpu/ipc/common/gpu_surface_tracker.h" |
| 9 #include "jni/DialogOverlayImpl_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 DialogOverlayImpl::RegisterDialogOverlayImpl(JNIEnv* env) { |
| 20 return RegisterNativesImpl(env); |
| 21 } |
| 22 |
| 23 static jlong Init(JNIEnv* env, |
| 24 const JavaParamRef<jobject>& obj, |
| 25 jlong high, |
| 26 jlong low) { |
| 27 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 28 return reinterpret_cast<jlong>(new DialogOverlayImpl( |
| 29 obj, base::UnguessableToken::Deserialize(high, low))); |
| 30 } |
| 31 |
| 32 DialogOverlayImpl::DialogOverlayImpl(const JavaParamRef<jobject>& obj, |
| 33 const base::UnguessableToken& token) |
| 34 : token_(token), cvc_(nullptr) { |
| 35 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 36 cvc_ = GetContentViewCore(); |
| 37 |
| 38 JNIEnv* env = AttachCurrentThread(); |
| 39 obj_ = JavaObjectWeakGlobalRef(env, obj); |
| 40 |
| 41 // If there's no CVC, then just post a null token immediately. |
| 42 if (!cvc_) { |
| 43 Java_DialogOverlayImpl_onDismissed(env, obj.obj()); |
| 44 return; |
| 45 } |
| 46 |
| 47 cvc_->AddObserver(this); |
| 48 |
| 49 // Also send the initial token, since we'll only get changes. |
| 50 if (ui::WindowAndroid* window = cvc_->GetWindowAndroid()) { |
| 51 ScopedJavaLocalRef<jobject> token = window->GetWindowToken(); |
| 52 if (!token.is_null()) |
| 53 Java_DialogOverlayImpl_onWindowToken(env, obj.obj(), token); |
| 54 } |
| 55 } |
| 56 |
| 57 DialogOverlayImpl::~DialogOverlayImpl() { |
| 58 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 59 // We should only be deleted after one unregisters for token callbacks. |
| 60 DCHECK(!cvc_); |
| 61 } |
| 62 |
| 63 void DialogOverlayImpl::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) { |
| 64 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 65 UnregisterForTokensIfNeeded(); |
| 66 // We delete soon since this might be part of an onDismissed callback. |
| 67 BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, this); |
| 68 } |
| 69 |
| 70 void DialogOverlayImpl::UnregisterForTokensIfNeeded() { |
| 71 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 72 if (!cvc_) |
| 73 return; |
| 74 |
| 75 cvc_->RemoveObserver(this); |
| 76 cvc_ = nullptr; |
| 77 } |
| 78 |
| 79 void DialogOverlayImpl::OnContentViewCoreDestroyed() { |
| 80 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 81 cvc_ = nullptr; |
| 82 |
| 83 JNIEnv* env = AttachCurrentThread(); |
| 84 ScopedJavaLocalRef<jobject> obj = obj_.get(env); |
| 85 if (!obj.is_null()) |
| 86 Java_DialogOverlayImpl_onDismissed(env, obj.obj()); |
| 87 } |
| 88 |
| 89 void DialogOverlayImpl::OnAttachedToWindow() { |
| 90 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 91 JNIEnv* env = AttachCurrentThread(); |
| 92 |
| 93 ScopedJavaLocalRef<jobject> token; |
| 94 |
| 95 if (ui::WindowAndroid* window = cvc_->GetWindowAndroid()) |
| 96 token = window->GetWindowToken(); |
| 97 |
| 98 ScopedJavaLocalRef<jobject> obj = obj_.get(env); |
| 99 if (!obj.is_null()) |
| 100 Java_DialogOverlayImpl_onWindowToken(env, obj.obj(), token); |
| 101 } |
| 102 |
| 103 void DialogOverlayImpl::OnDetachedFromWindow() { |
| 104 JNIEnv* env = AttachCurrentThread(); |
| 105 ScopedJavaLocalRef<jobject> obj = obj_.get(env); |
| 106 if (!obj.is_null()) |
| 107 Java_DialogOverlayImpl_onWindowToken(env, obj.obj(), nullptr); |
| 108 } |
| 109 |
| 110 ContentViewCoreImpl* DialogOverlayImpl::GetContentViewCore() { |
| 111 // Get the frame from the token. |
| 112 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 113 content::RenderFrameHost* frame = |
| 114 content::RenderFrameHostImpl::FromOverlayRoutingToken(token_); |
| 115 if (!frame) { |
| 116 DVLOG(1) << "Cannot find frame host for token " << token_; |
| 117 return nullptr; |
| 118 } |
| 119 |
| 120 content::WebContents* web_contents = |
| 121 content::WebContents::FromRenderFrameHost(frame); |
| 122 DCHECK(web_contents); |
| 123 |
| 124 content::ContentViewCoreImpl* cvc = |
| 125 content::ContentViewCoreImpl::FromWebContents(web_contents); |
| 126 if (!cvc) { |
| 127 DVLOG(1) << "Cannot find cvc for token " << token_; |
| 128 return nullptr; |
| 129 } |
| 130 |
| 131 return cvc; |
| 132 } |
| 133 |
| 134 static jint RegisterSurface(JNIEnv* env, |
| 135 const base::android::JavaParamRef<jclass>& jcaller, |
| 136 const JavaParamRef<jobject>& surface) { |
| 137 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 138 return gpu::GpuSurfaceTracker::Get()->AddSurfaceForNativeWidget( |
| 139 gpu::GpuSurfaceTracker::SurfaceRecord(gfx::kNullAcceleratedWidget, |
| 140 surface.obj())); |
| 141 } |
| 142 |
| 143 static void UnregisterSurface( |
| 144 JNIEnv* env, |
| 145 const base::android::JavaParamRef<jclass>& jcaller, |
| 146 jint surface_id) { |
| 147 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 148 gpu::GpuSurfaceTracker::Get()->RemoveSurface(surface_id); |
| 149 } |
| 150 |
| 151 } // namespace content |
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