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Side by Side Diff: chrome/browser/android/vr_shell/vr_shell_delegate.cc

Issue 2510873003: Clean up WebVR RequestPresent and make callback asynchronous. (Closed)
Patch Set: Fix FakeVRDevice Created 4 years, 1 month ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chrome/browser/android/vr_shell/vr_shell_delegate.h" 5 #include "chrome/browser/android/vr_shell/vr_shell_delegate.h"
6 6
7 #include "base/android/jni_android.h" 7 #include "base/android/jni_android.h"
8 #include "chrome/browser/android/vr_shell/vr_shell.h" 8 #include "chrome/browser/android/vr_shell/vr_shell.h"
9 #include "device/vr/android/gvr/gvr_device_provider.h" 9 #include "device/vr/android/gvr/gvr_device_provider.h"
10 #include "jni/VrShellDelegate_jni.h" 10 #include "jni/VrShellDelegate_jni.h"
(...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after
56 VrShellDelegate* VrShellDelegate::GetNativeDelegate( 56 VrShellDelegate* VrShellDelegate::GetNativeDelegate(
57 JNIEnv* env, jobject jdelegate) { 57 JNIEnv* env, jobject jdelegate) {
58 long native_delegate = Java_VrShellDelegate_getNativePointer(env, jdelegate); 58 long native_delegate = Java_VrShellDelegate_getNativePointer(env, jdelegate);
59 return reinterpret_cast<VrShellDelegate*>(native_delegate); 59 return reinterpret_cast<VrShellDelegate*>(native_delegate);
60 } 60 }
61 61
62 base::WeakPtr<device::GvrDeviceProvider> VrShellDelegate::GetDeviceProvider() { 62 base::WeakPtr<device::GvrDeviceProvider> VrShellDelegate::GetDeviceProvider() {
63 return device_provider_; 63 return device_provider_;
64 } 64 }
65 65
66 bool VrShellDelegate::RequestWebVRPresent( 66 void VrShellDelegate::SetPresentResult(JNIEnv* env, jobject obj,
67 base::WeakPtr<device::GvrDeviceProvider> device_provider) { 67 jboolean result) {
68 // Only set one device provider at a time 68 CHECK(!present_callback_.is_null());
69 DCHECK(!device_provider_); 69 present_callback_.Run(result);
70 present_callback_.Reset();
71 }
72
73 void VrShellDelegate::RequestWebVRPresent(
74 base::WeakPtr<device::GvrDeviceProvider> device_provider,
75 const base::Callback<void(bool)>& callback) {
76 if (!present_callback_.is_null()) {
77 // Can only handle one request at a time. This is also extremely unlikely to
78 // happen in practice.
79 callback.Run(false);
80 return;
81 }
82
83 // TODO(mthiesse): Clean this up, there's no reason to be setting the device
84 // provider from RequestWebVRPresent.
70 device_provider_ = device_provider; 85 device_provider_ = device_provider;
86 present_callback_ = std::move(callback);
71 87
72 // If/When VRShell is ready for use it will call OnVrShellReady. 88 // If/When VRShell is ready for use it will call SetPresentResult.
73 JNIEnv* env = AttachCurrentThread(); 89 JNIEnv* env = AttachCurrentThread();
74 Java_VrShellDelegate_enterVRIfNecessary(env, j_vr_shell_delegate_.obj(), 90 Java_VrShellDelegate_presentRequested(env, j_vr_shell_delegate_.obj(), true);
75 true);
76 return true;
77 } 91 }
78 92
79 void VrShellDelegate::ExitWebVRPresent() { 93 void VrShellDelegate::ExitWebVRPresent() {
80 device_provider_.reset();
81
82 // VRShell is no longer needed by WebVR, allow it to shut down if it's not 94 // VRShell is no longer needed by WebVR, allow it to shut down if it's not
83 // being used elsewhere. 95 // being used elsewhere.
84 JNIEnv* env = AttachCurrentThread(); 96 JNIEnv* env = AttachCurrentThread();
85 Java_VrShellDelegate_exitWebVR(env, j_vr_shell_delegate_.obj()); 97 Java_VrShellDelegate_exitWebVR(env, j_vr_shell_delegate_.obj());
86 } 98 }
87 99
88 base::WeakPtr<device::GvrDelegate> VrShellDelegate::GetNonPresentingDelegate() { 100 base::WeakPtr<device::GvrDelegate> VrShellDelegate::GetNonPresentingDelegate() {
89 if (!non_presenting_delegate_) { 101 if (!non_presenting_delegate_) {
90 JNIEnv* env = AttachCurrentThread(); 102 JNIEnv* env = AttachCurrentThread();
91 jlong context = Java_VrShellDelegate_createNonPresentingNativeContext( 103 jlong context = Java_VrShellDelegate_createNonPresentingNativeContext(
(...skipping 22 matching lines...) Expand all
114 126
115 bool RegisterVrShellDelegate(JNIEnv* env) { 127 bool RegisterVrShellDelegate(JNIEnv* env) {
116 return RegisterNativesImpl(env); 128 return RegisterNativesImpl(env);
117 } 129 }
118 130
119 jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) { 131 jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
120 return reinterpret_cast<intptr_t>(new VrShellDelegate(env, obj)); 132 return reinterpret_cast<intptr_t>(new VrShellDelegate(env, obj));
121 } 133 }
122 134
123 } // namespace vr_shell 135 } // namespace vr_shell
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