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Side by Side Diff: remoting/client/chromoting_view.h

Issue 8985007: Refactoring of the client-side input pipeline and scaling dimension management. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 9 years ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 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 #ifndef REMOTING_CLIENT_CHROMOTING_VIEW_H_ 5 #ifndef REMOTING_CLIENT_CHROMOTING_VIEW_H_
6 #define REMOTING_CLIENT_CHROMOTING_VIEW_H_ 6 #define REMOTING_CLIENT_CHROMOTING_VIEW_H_
7 7
8 #include <string> 8 #include "base/basictypes.h"
9
10 #include "base/memory/ref_counted.h"
11 #include "media/base/video_frame.h"
12 #include "remoting/protocol/connection_to_host.h" 9 #include "remoting/protocol/connection_to_host.h"
13 10
14 namespace remoting { 11 namespace remoting {
15 12
16 static const uint32 kCreatedColor = 0xffccccff; 13 static const uint32 kCreatedColor = 0xffccccff;
17 static const uint32 kDisconnectedColor = 0xff00ccff; 14 static const uint32 kDisconnectedColor = 0xff00ccff;
18 static const uint32 kFailedColor = 0xffcc00ff; 15 static const uint32 kFailedColor = 0xffcc00ff;
19 16
20 // ChromotingView defines the behavior of an object that draws a view of the 17 // ChromotingView defines the behavior of an object that draws a view of the
21 // remote desktop. Its main function is to render the update stream onto the 18 // remote desktop. Its main function is to render the update stream onto the
22 // screen. 19 // screen.
23 class ChromotingView { 20 class ChromotingView {
24 public: 21 public:
25 ChromotingView(); 22 virtual ~ChromotingView() {}
26 virtual ~ChromotingView();
27
28 // Get screen dimensions.
29 // TODO(garykac): This will need to be extended to support multi-monitors.
30 void GetScreenSize(int* width, int* height);
31 23
32 // Initialize the common structures for the view. 24 // Initialize the common structures for the view.
33 virtual bool Initialize() = 0; 25 virtual bool Initialize() = 0;
34 26
35 // Free up resources allocated by this view. 27 // Free up resources allocated by this view.
36 virtual void TearDown() = 0; 28 virtual void TearDown() = 0;
37 29
38 // Tells the ChromotingView to paint the current image on the screen. 30 // Tells the ChromotingView to paint the current image on the screen.
39 virtual void Paint() = 0; 31 virtual void Paint() = 0;
40 32
41 // Fill the screen with one single static color, and ignore updates. 33 // Fill the screen with one single static color, and ignore updates.
42 // Useful for debugging. 34 // Useful for debugging.
43 virtual void SetSolidFill(uint32 color) = 0; 35 virtual void SetSolidFill(uint32 color) = 0;
44 36
45 // Removes a previously set solid fill. If no fill was previous set, this 37 // Removes a previously set solid fill. If no fill was previous set, this
46 // does nothing. 38 // does nothing.
47 virtual void UnsetSolidFill() = 0; 39 virtual void UnsetSolidFill() = 0;
48 40
49 // Record the update the state of the connection, updating the UI as needed. 41 // Record the update the state of the connection, updating the UI as needed.
50 virtual void SetConnectionState(protocol::ConnectionToHost::State state, 42 virtual void SetConnectionState(protocol::ConnectionToHost::State state,
51 protocol::ConnectionToHost::Error error) = 0; 43 protocol::ConnectionToHost::Error error) = 0;
52
53 // Return the horizontal scale factor of this view.
54 virtual double GetHorizontalScaleRatio() const = 0;
55
56 // Return the vertical scale factor of this view.
57 virtual double GetVerticalScaleRatio() const = 0;
58
59 protected:
60 // Framebuffer for the decoder.
61 scoped_refptr<media::VideoFrame> frame_;
62
63 // Dimensions of |frame_| bitmap.
64 int frame_width_;
65 int frame_height_;
66 }; 44 };
67 45
68 } // namespace remoting 46 } // namespace remoting
69 47
70 #endif // REMOTING_CLIENT_CHROMOTING_VIEW_H_ 48 #endif // REMOTING_CLIENT_CHROMOTING_VIEW_H_
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