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Side by Side Diff: components/web_view/frame_tree.h

Issue 1347023003: Rename frame classes (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: merge 2 trunk Created 5 years, 3 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 #ifndef COMPONENTS_WEB_VIEW_FRAME_TREE_H_ 5 #ifndef COMPONENTS_WEB_VIEW_FRAME_TREE_H_
6 #define COMPONENTS_WEB_VIEW_FRAME_TREE_H_ 6 #define COMPONENTS_WEB_VIEW_FRAME_TREE_H_
7 7
8 #include "components/mus/public/interfaces/view_tree.mojom.h" 8 #include "components/mus/public/interfaces/view_tree.mojom.h"
9 #include "components/web_view/frame.h" 9 #include "components/web_view/frame.h"
10 #include "third_party/mojo/src/mojo/public/cpp/bindings/array.h" 10 #include "third_party/mojo/src/mojo/public/cpp/bindings/array.h"
11 11
12 namespace mojo { 12 namespace mojo {
13 class String; 13 class String;
14 } 14 }
15 15
16 namespace web_view { 16 namespace web_view {
17 17
18 class FrameTreeClient;
19 class FrameTreeDelegate; 18 class FrameTreeDelegate;
20 class FrameUserData; 19 class FrameUserData;
21 20
21 namespace mojom {
22 class FrameClient;
23 }
24
22 // FrameTree manages the set of Frames that comprise a single url. FrameTree 25 // FrameTree manages the set of Frames that comprise a single url. FrameTree
23 // owns the root Frame and each Frame owns its children. Frames are 26 // owns the root Frame and each Frame owns its children. Frames are
24 // automatically deleted and removed from the tree if the corresponding view is 27 // automatically deleted and removed from the tree if the corresponding view is
25 // deleted. This happens if the creator of the view deletes it (say an iframe is 28 // deleted. This happens if the creator of the view deletes it (say an iframe is
26 // destroyed). 29 // destroyed).
27 class FrameTree { 30 class FrameTree {
28 public: 31 public:
29 // |view| is the view to do the initial embedding in. It is assumed |view| 32 // |view| is the view to do the initial embedding in. It is assumed |view|
30 // outlives FrameTree. 33 // outlives FrameTree.
31 // |client_properties| is the client properties for the root frame. 34 // |client_properties| is the client properties for the root frame.
32 // |root_app_id| is a unique identifier of the app providing |root_client|. 35 // |root_app_id| is a unique identifier of the app providing |root_client|.
33 // See Frame for details on app id's. 36 // See Frame for details on app id's.
34 FrameTree(uint32_t root_app_id, 37 FrameTree(uint32_t root_app_id,
35 mus::View* view, 38 mus::View* view,
36 mojo::ViewTreeClientPtr view_tree_client, 39 mojo::ViewTreeClientPtr view_tree_client,
37 FrameTreeDelegate* delegate, 40 FrameTreeDelegate* delegate,
38 FrameTreeClient* root_client, 41 mojom::FrameClient* root_client,
39 scoped_ptr<FrameUserData> user_data, 42 scoped_ptr<FrameUserData> user_data,
40 const Frame::ClientPropertyMap& client_properties); 43 const Frame::ClientPropertyMap& client_properties);
41 ~FrameTree(); 44 ~FrameTree();
42 45
43 const Frame* root() const { return root_; } 46 const Frame* root() const { return root_; }
44 Frame* root() { return root_; } 47 Frame* root() { return root_; }
45 uint32_t change_id() const { return change_id_; } 48 uint32_t change_id() const { return change_id_; }
46 49
47 private: 50 private:
48 friend class Frame; 51 friend class Frame;
49 52
50 // Creates a new Frame parented to |parent|. The Frame is considered shared in 53 // Creates a new Frame parented to |parent|. The Frame is considered shared in
51 // that it is sharing the FrameTreeClient/FrameTreeServer of |parent|. There 54 // that it is sharing the FrameClient/Frame of |parent|. There may or may not
52 // may or may not be a View identified by |frame_id| yet. See Frame for 55 // be a View identified by |frame_id| yet. See Frame for details.
53 // details. 56 Frame* CreateChildFrame(Frame* parent,
54 Frame* CreateChildFrame( 57 mojo::InterfaceRequest<mojom::Frame> frame_request,
55 Frame* parent, 58 mojom::FrameClientPtr client,
56 mojo::InterfaceRequest<FrameTreeServer> server_request, 59 uint32_t frame_id,
57 FrameTreeClientPtr client, 60 uint32_t app_id,
58 uint32_t frame_id, 61 const Frame::ClientPropertyMap& client_properties);
59 uint32_t app_id,
60 const Frame::ClientPropertyMap& client_properties);
61 62
62 // Increments the change id, returning the new value. 63 // Increments the change id, returning the new value.
63 uint32_t AdvanceChangeID(); 64 uint32_t AdvanceChangeID();
64 65
65 void LoadingStateChanged(); 66 void LoadingStateChanged();
66 void TitleChanged(const mojo::String& title); 67 void TitleChanged(const mojo::String& title);
67 void DidCommitProvisionalLoad(Frame* source); 68 void DidCommitProvisionalLoad(Frame* source);
68 void ClientPropertyChanged(const Frame* source, 69 void ClientPropertyChanged(const Frame* source,
69 const mojo::String& name, 70 const mojo::String& name,
70 const mojo::Array<uint8_t>& value); 71 const mojo::Array<uint8_t>& value);
71 72
72 mus::View* view_; 73 mus::View* view_;
73 74
74 FrameTreeDelegate* delegate_; 75 FrameTreeDelegate* delegate_;
75 76
76 // |root_| is owned by this, but a raw pointer as during destruction we still 77 // |root_| is owned by this, but a raw pointer as during destruction we still
77 // want access to it. 78 // want access to it.
78 Frame* root_; 79 Frame* root_;
79 80
80 double progress_; 81 double progress_;
81 82
82 uint32_t change_id_; 83 uint32_t change_id_;
83 84
84 DISALLOW_COPY_AND_ASSIGN(FrameTree); 85 DISALLOW_COPY_AND_ASSIGN(FrameTree);
85 }; 86 };
86 87
87 } // namespace web_view 88 } // namespace web_view
88 89
89 #endif // COMPONENTS_WEB_VIEW_FRAME_TREE_H_ 90 #endif // COMPONENTS_WEB_VIEW_FRAME_TREE_H_
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