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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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