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Side by Side Diff: mojo/services/view_manager/server_view.h

Issue 774473003: Move view_manager service implementation to //services (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 6 years ago
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1 // Copyright 2014 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 MOJO_SERVICES_VIEW_MANAGER_SERVER_VIEW_H_
6 #define MOJO_SERVICES_VIEW_MANAGER_SERVER_VIEW_H_
7
8 #include <vector>
9
10 #include "base/logging.h"
11 #include "cc/surfaces/surface_id.h"
12 #include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
13 #include "mojo/services/view_manager/ids.h"
14 #include "ui/gfx/geometry/rect.h"
15
16 namespace mojo {
17 namespace service {
18
19 class ServerViewDelegate;
20
21 // Server side representation of a view. Delegate is informed of interesting
22 // events.
23 //
24 // It is assumed that all functions that mutate the tree have validated the
25 // mutation is possible before hand. For example, Reorder() assumes the supplied
26 // view is a child and not already in position.
27 class ServerView {
28 public:
29 ServerView(ServerViewDelegate* delegate, const ViewId& id);
30 virtual ~ServerView();
31
32 const ViewId& id() const { return id_; }
33
34 void Add(ServerView* child);
35 void Remove(ServerView* child);
36 void Reorder(ServerView* child,
37 ServerView* relative,
38 OrderDirection direction);
39
40 const gfx::Rect& bounds() const { return bounds_; }
41 void SetBounds(const gfx::Rect& bounds);
42
43 const ServerView* parent() const { return parent_; }
44 ServerView* parent() { return parent_; }
45
46 const ServerView* GetRoot() const;
47 ServerView* GetRoot() {
48 return const_cast<ServerView*>(
49 const_cast<const ServerView*>(this)->GetRoot());
50 }
51
52 std::vector<const ServerView*> GetChildren() const;
53 std::vector<ServerView*> GetChildren();
54
55 // Returns true if this contains |view| or is |view|.
56 bool Contains(const ServerView* view) const;
57
58 // Returns true if the window is visible. This does not consider visibility
59 // of any ancestors.
60 bool visible() const { return visible_; }
61 void SetVisible(bool value);
62
63 float opacity() const { return opacity_; }
64 void SetOpacity(float value);
65
66 const std::map<std::string, std::vector<uint8_t>>& properties() const {
67 return properties_;
68 }
69 void SetProperty(const std::string& name, const std::vector<uint8_t>* value);
70
71 // Returns true if this view is attached to |root| and all ancestors are
72 // visible.
73 bool IsDrawn(const ServerView* root) const;
74
75 void SetSurfaceId(cc::SurfaceId surface_id);
76 const cc::SurfaceId surface_id() const { return surface_id_; }
77
78 #if !defined(NDEBUG)
79 std::string GetDebugWindowHierarchy() const;
80 void BuildDebugInfo(const std::string& depth, std::string* result) const;
81 #endif
82
83 private:
84 typedef std::vector<ServerView*> Views;
85
86 // Implementation of removing a view. Doesn't send any notification.
87 void RemoveImpl(ServerView* view);
88
89 ServerViewDelegate* delegate_;
90 const ViewId id_;
91 ServerView* parent_;
92 Views children_;
93 bool visible_;
94 gfx::Rect bounds_;
95 cc::SurfaceId surface_id_;
96 float opacity_;
97
98 std::map<std::string, std::vector<uint8_t>> properties_;
99
100 DISALLOW_COPY_AND_ASSIGN(ServerView);
101 };
102
103 } // namespace service
104 } // namespace mojo
105
106 #endif // MOJO_SERVICES_VIEW_MANAGER_SERVER_VIEW_H_
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