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Side by Side Diff: mojo/services/ui/views/interfaces/view_associates.mojom

Issue 1741963002: Auto-formatted all .mojom files. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 9 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 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 [DartPackage="mojo_services"] 5 [DartPackage="mojo_services"]
6 module mojo.ui; 6 module mojo.ui;
7 7
8 import "mojo/public/interfaces/application/service_provider.mojom"; 8 import "mojo/public/interfaces/application/service_provider.mojom";
9 import "mojo/services/gfx/composition/interfaces/hit_tests.mojom"; 9 import "mojo/services/gfx/composition/interfaces/hit_tests.mojom";
10 import "mojo/services/gfx/composition/interfaces/scene_token.mojom"; 10 import "mojo/services/gfx/composition/interfaces/scene_token.mojom";
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42 // The associate must return information about the services that it 42 // The associate must return information about the services that it
43 // offers in |info|. 43 // offers in |info|.
44 Connect(ViewInspector inspector) => (ViewAssociateInfo info); 44 Connect(ViewInspector inspector) => (ViewAssociateInfo info);
45 45
46 // Asks the associate to provide the view service identified by 46 // Asks the associate to provide the view service identified by
47 // |interface_name| through the message |pipe| endpoint supplied by 47 // |interface_name| through the message |pipe| endpoint supplied by
48 // the caller. If the associate is not willing or able to provide the 48 // the caller. If the associate is not willing or able to provide the
49 // requested service, it should close the |pipe|. 49 // requested service, it should close the |pipe|.
50 // 50 //
51 // The |view_token| is the token of the view which requested the service. 51 // The |view_token| is the token of the view which requested the service.
52 ConnectToViewService(ViewToken view_token, string service_name, 52 ConnectToViewService(ViewToken view_token,
53 handle<message_pipe> pipe); 53 string service_name,
54 handle<message_pipe> pipe);
54 55
55 // Asks the associate to provide the view tree service identified by 56 // Asks the associate to provide the view tree service identified by
56 // |interface_name| through the message |pipe| endpoint supplied by 57 // |interface_name| through the message |pipe| endpoint supplied by
57 // the caller. If the associate is not willing or able to provide the 58 // the caller. If the associate is not willing or able to provide the
58 // requested service, it should close the |pipe|. 59 // requested service, it should close the |pipe|.
59 // 60 //
60 // The |view_tree_token| is the token of the view tree which requested 61 // The |view_tree_token| is the token of the view tree which requested
61 // the service. 62 // the service.
62 ConnectToViewTreeService(ViewTreeToken view_tree_token, 63 ConnectToViewTreeService(ViewTreeToken view_tree_token,
63 string service_name, handle<message_pipe> pipe); 64 string service_name,
65 handle<message_pipe> pipe);
64 }; 66 };
65 67
66 // Provides information about the services offered by an associate. 68 // Provides information about the services offered by an associate.
67 struct ViewAssociateInfo { 69 struct ViewAssociateInfo {
68 // The names of view services offered by the associate. 70 // The names of view services offered by the associate.
69 // May be null if none. 71 // May be null if none.
70 array<string>? view_service_names; 72 array<string>? view_service_names;
71 73
72 // The names of view tree services offered by the associate. 74 // The names of view tree services offered by the associate.
73 // May be null if none. 75 // May be null if none.
74 array<string>? view_tree_service_names; 76 array<string>? view_tree_service_names;
75 }; 77 };
76 78
77 // Provides a view associate with the ability to inspect and perform operations 79 // Provides a view associate with the ability to inspect and perform operations
78 // on the contents of views and view trees. 80 // on the contents of views and view trees.
79 interface ViewInspector { 81 interface ViewInspector {
80 // Provides an interface which can be used to perform hit tests on the 82 // Provides an interface which can be used to perform hit tests on the
81 // contents of the view tree's scene graph. 83 // contents of the view tree's scene graph.
82 // 84 //
83 // The |hit_tester| will be closed if the view tree is not attached to a 85 // The |hit_tester| will be closed if the view tree is not attached to a
84 // renderer, when it is reattached to a different renderer, or when the 86 // renderer, when it is reattached to a different renderer, or when the
85 // view tree is destroyed. 87 // view tree is destroyed.
86 // 88 //
87 // The callback will be invoked the hit tester is invalidated. 89 // The callback will be invoked the hit tester is invalidated.
88 // If |renderer_changed| is true, the client should call |GetHitTester| 90 // If |renderer_changed| is true, the client should call |GetHitTester|
89 // again to obtain a new one. Otherwise it should assume that the view 91 // again to obtain a new one. Otherwise it should assume that the view
90 // tree has become unavailable (so no hit tester is available). 92 // tree has become unavailable (so no hit tester is available).
91 GetHitTester(ViewTreeToken view_tree_token, 93 GetHitTester(ViewTreeToken view_tree_token,
92 mojo.gfx.composition.HitTester& hit_tester) => 94 mojo.gfx.composition.HitTester& hit_tester)
93 (bool renderer_changed); 95 => (bool renderer_changed);
94 96
95 // Given an array of scene tokens, produces an array of view tokens 97 // Given an array of scene tokens, produces an array of view tokens
96 // of equal size containing the view to which the scene belongs or null 98 // of equal size containing the view to which the scene belongs or null
97 // if the scene token does not belong to any view. 99 // if the scene token does not belong to any view.
98 // 100 //
99 // It is safe to cache the results of this operation because a scene will 101 // It is safe to cache the results of this operation because a scene will
100 // only ever be associated with at most one view although a view may 102 // only ever be associated with at most one view although a view may
101 // create several scenes during its lifetime. 103 // create several scenes during its lifetime.
102 ResolveScenes(array<mojo.gfx.composition.SceneToken> scene_tokens) => 104 ResolveScenes(array<mojo.gfx.composition.SceneToken> scene_tokens)
103 (array<ViewToken?> view_tokens); 105 => (array<ViewToken?> view_tokens);
104 }; 106 };
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