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| 1 // Copyright 2013 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 "ui/base/android/window_android.h" | |
| 6 | |
| 7 #include "base/android/jni_android.h" | |
| 8 #include "base/android/jni_array.h" | |
| 9 #include "base/android/jni_weak_ref.h" | |
| 10 #include "base/android/scoped_java_ref.h" | |
| 11 #include "jni/WindowAndroid_jni.h" | |
| 12 #include "ui/base/android/window_android_compositor.h" | |
| 13 #include "ui/base/android/window_android_observer.h" | |
| 14 | |
| 15 namespace ui { | |
| 16 | |
| 17 using base::android::AttachCurrentThread; | |
| 18 using base::android::ScopedJavaLocalRef; | |
| 19 | |
| 20 WindowAndroid::WindowAndroid(JNIEnv* env, jobject obj) | |
| 21 : weak_java_window_(env, obj), compositor_(NULL) { | |
| 22 } | |
| 23 | |
| 24 void WindowAndroid::Destroy(JNIEnv* env, jobject obj) { | |
| 25 delete this; | |
| 26 } | |
| 27 | |
| 28 ScopedJavaLocalRef<jobject> WindowAndroid::GetJavaObject() { | |
| 29 return weak_java_window_.get(AttachCurrentThread()); | |
| 30 } | |
| 31 | |
| 32 bool WindowAndroid::RegisterWindowAndroid(JNIEnv* env) { | |
| 33 return RegisterNativesImpl(env); | |
| 34 } | |
| 35 | |
| 36 WindowAndroid::~WindowAndroid() { | |
| 37 DCHECK(!compositor_); | |
| 38 } | |
| 39 | |
| 40 void WindowAndroid::OnCompositingDidCommit() { | |
| 41 FOR_EACH_OBSERVER(WindowAndroidObserver, | |
| 42 observer_list_, | |
| 43 OnCompositingDidCommit()); | |
| 44 } | |
| 45 | |
| 46 void WindowAndroid::AddObserver(WindowAndroidObserver* observer) { | |
| 47 if (!observer_list_.HasObserver(observer)) | |
| 48 observer_list_.AddObserver(observer); | |
| 49 } | |
| 50 | |
| 51 void WindowAndroid::RemoveObserver(WindowAndroidObserver* observer) { | |
| 52 observer_list_.RemoveObserver(observer); | |
| 53 } | |
| 54 | |
| 55 void WindowAndroid::AttachCompositor(WindowAndroidCompositor* compositor) { | |
| 56 if (compositor_ && compositor != compositor_) | |
| 57 DetachCompositor(); | |
| 58 | |
| 59 compositor_ = compositor; | |
| 60 FOR_EACH_OBSERVER(WindowAndroidObserver, | |
| 61 observer_list_, | |
| 62 OnAttachCompositor()); | |
| 63 } | |
| 64 | |
| 65 void WindowAndroid::DetachCompositor() { | |
| 66 compositor_ = NULL; | |
| 67 FOR_EACH_OBSERVER(WindowAndroidObserver, | |
| 68 observer_list_, | |
| 69 OnDetachCompositor()); | |
| 70 observer_list_.Clear(); | |
| 71 } | |
| 72 | |
| 73 void WindowAndroid::RequestVSyncUpdate() { | |
| 74 JNIEnv* env = AttachCurrentThread(); | |
| 75 Java_WindowAndroid_requestVSyncUpdate(env, GetJavaObject().obj()); | |
| 76 } | |
| 77 | |
| 78 void WindowAndroid::SetNeedsAnimate() { | |
| 79 if (compositor_) | |
| 80 compositor_->SetNeedsAnimate(); | |
| 81 } | |
| 82 | |
| 83 void WindowAndroid::Animate(base::TimeTicks begin_frame_time) { | |
| 84 FOR_EACH_OBSERVER( | |
| 85 WindowAndroidObserver, observer_list_, OnAnimate(begin_frame_time)); | |
| 86 } | |
| 87 | |
| 88 void WindowAndroid::OnVSync(JNIEnv* env, | |
| 89 jobject obj, | |
| 90 jlong time_micros, | |
| 91 jlong period_micros) { | |
| 92 base::TimeTicks frame_time(base::TimeTicks::FromInternalValue(time_micros)); | |
| 93 base::TimeDelta vsync_period( | |
| 94 base::TimeDelta::FromMicroseconds(period_micros)); | |
| 95 FOR_EACH_OBSERVER( | |
| 96 WindowAndroidObserver, | |
| 97 observer_list_, | |
| 98 OnVSync(frame_time, vsync_period)); | |
| 99 if (compositor_) | |
| 100 compositor_->OnVSync(frame_time, vsync_period); | |
| 101 } | |
| 102 | |
| 103 // ---------------------------------------------------------------------------- | |
| 104 // Native JNI methods | |
| 105 // ---------------------------------------------------------------------------- | |
| 106 | |
| 107 jlong Init(JNIEnv* env, jobject obj) { | |
| 108 WindowAndroid* window = new WindowAndroid(env, obj); | |
| 109 return reinterpret_cast<intptr_t>(window); | |
| 110 } | |
| 111 | |
| 112 } // namespace ui | |
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