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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef REMOTING_CLIENT_JNI_JNI_DISPLAY_HANDLER_H_ | |
6 #define REMOTING_CLIENT_JNI_JNI_DISPLAY_HANDLER_H_ | |
7 | |
8 #include <jni.h> | |
9 | |
10 #include "base/android/scoped_java_ref.h" | |
11 #include "base/macros.h" | |
12 #include "base/memory/weak_ptr.h" | |
13 #include "remoting/client/jni/display_updater_factory.h" | |
14 #include "remoting/protocol/cursor_shape_stub.h" | |
15 | |
16 namespace remoting { | |
17 | |
18 namespace protocol { | |
19 class VideoRenderer; | |
20 } // namespace protocol | |
21 | |
22 class ChromotingJniRuntime; | |
23 | |
24 // Handles display operations. Must be called and deleted on the display thread | |
25 // unless otherwise noted. | |
26 class JniDisplayHandler : public DisplayUpdaterFactory, | |
27 public protocol::CursorShapeStub { | |
28 public: | |
29 explicit JniDisplayHandler(ChromotingJniRuntime* runtime); | |
30 | |
31 // Must be deleted on the display thread. | |
32 ~JniDisplayHandler() override; | |
33 | |
34 // Sets the DesktopViewFactory for the Java client. | |
35 void InitializeClient( | |
36 const base::android::JavaRef<jobject>& java_client); | |
37 | |
38 // DisplayUpdaterFactory overrides (functions can be called on any thread). | |
39 std::unique_ptr<protocol::CursorShapeStub> CreateCursorShapeStub() override; | |
40 std::unique_ptr<protocol::VideoRenderer> CreateVideoRenderer() override; | |
41 | |
42 // Creates a new Bitmap object to store a video frame. Can be called on any | |
43 // thread. | |
44 static base::android::ScopedJavaLocalRef<jobject> NewBitmap(int width, | |
45 int height); | |
46 | |
47 // Updates video frame bitmap. |bitmap| must be an instance of | |
48 // android.graphics.Bitmap. | |
49 void UpdateFrameBitmap(base::android::ScopedJavaGlobalRef<jobject> bitmap); | |
50 | |
51 // Draws the latest image buffer onto the canvas. | |
52 void RedrawCanvas(); | |
53 | |
54 static bool RegisterJni(JNIEnv* env); | |
55 | |
56 // Schedule redraw. Can be called on any thread. | |
57 void ScheduleRedraw(JNIEnv* env, | |
58 const base::android::JavaParamRef<jobject>& caller); | |
59 | |
60 private: | |
61 // CursorShapeStub interface. | |
62 void SetCursorShape(const protocol::CursorShapeInfo& cursor_shape) override; | |
63 | |
64 ChromotingJniRuntime* runtime_; | |
65 | |
66 base::android::ScopedJavaGlobalRef<jobject> java_display_; | |
67 base::WeakPtr<JniDisplayHandler> weak_ptr_; | |
68 base::WeakPtrFactory<JniDisplayHandler> weak_factory_; | |
69 | |
70 DISALLOW_COPY_AND_ASSIGN(JniDisplayHandler); | |
71 }; | |
72 | |
73 } // namespace remoting | |
74 | |
75 #endif // REMOTING_CLIENT_JNI_JNI_DISPLAY_HANDLER_H_ | |
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