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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef COMPONENTS_HTML_VIEWER_FRAME_TREE_MANAGER_H_ | |
6 #define COMPONENTS_HTML_VIEWER_FRAME_TREE_MANAGER_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "mandoline/services/navigation/public/interfaces/navigation.mojom.h" | |
11 #include "mandoline/tab/public/interfaces/frame_tree.mojom.h" | |
12 #include "mojo/application/public/cpp/lazy_interface_ptr.h" | |
13 #include "third_party/WebKit/public/web/WebFrameClient.h" | |
14 #include "third_party/WebKit/public/web/WebNavigationPolicy.h" | |
15 | |
16 namespace blink { | |
17 class WebFrame; | |
18 class WebFrameClient; | |
19 class WebLocalFrame; | |
20 class WebRemoteFrameClient; | |
21 class WebString; | |
22 class WebView; | |
23 } | |
24 | |
25 namespace gfx { | |
26 class Size; | |
27 } | |
28 | |
29 namespace mojo { | |
30 class ApplicationConnection; | |
31 class ApplicationImpl; | |
32 class View; | |
33 } | |
34 | |
35 namespace html_viewer { | |
36 | |
37 class Frame; | |
38 class FrameTreeManagerDelegate; | |
39 class GlobalState; | |
40 | |
41 // FrameTreeManager is responsible for managing the frames that comprise a | |
42 // document. Some of the frames may be remote. FrameTreeManager updates its | |
43 // state in response to changes from the FrameTreeServer, as well as changes | |
44 // from the underlying frames. The frame tree has at least one local frame | |
45 // that is backed by a mojo::View. | |
46 class FrameTreeManager : public mandoline::FrameTreeClient { | |
47 public: | |
48 FrameTreeManager(GlobalState* global_state, | |
49 mojo::ApplicationImpl* app, | |
50 mojo::ApplicationConnection* app_connection, | |
51 uint32_t local_frame_id, | |
52 mandoline::FrameTreeServerPtr server); | |
53 ~FrameTreeManager() override; | |
54 | |
55 void Init(mojo::View* local_view, | |
56 mojo::Array<mandoline::FrameDataPtr> frame_data); | |
57 | |
58 void set_delegate(FrameTreeManagerDelegate* delegate) { | |
59 delegate_ = delegate; | |
60 } | |
61 | |
62 GlobalState* global_state() { return global_state_; } | |
63 mojo::ApplicationImpl* app() { return app_; } | |
64 | |
65 // Returns the Frame/WebFrame that is rendering to the supplied view. | |
66 // TODO(sky): we need to support more than one local frame. | |
67 Frame* GetLocalFrame(); | |
68 blink::WebLocalFrame* GetLocalWebFrame(); | |
69 | |
70 blink::WebView* GetWebView(); | |
71 | |
72 void LoadingStarted(); | |
73 void LoadingStopped(); | |
74 void ProgressChanged(double progress); | |
75 | |
76 private: | |
77 friend class Frame; | |
78 | |
79 // Returns the navigation policy for the specified frame. | |
80 blink::WebNavigationPolicy DecidePolicyForNavigation( | |
81 Frame* frame, | |
82 const blink::WebFrameClient::NavigationPolicyInfo& info); | |
83 | |
84 // Invoked when a Frame finishes loading. | |
85 void OnFrameDidFinishLoad(Frame* frame); | |
86 | |
87 // Invoked when a Frame navigates. | |
88 void OnFrameDidNavigateLocally(Frame* frame, const std::string& url); | |
89 | |
90 // Invoked when a Frame is destroye. | |
91 void OnFrameDestroyed(Frame* frame); | |
92 | |
93 // Invoked when the name of a frame changes. | |
94 void OnFrameDidChangeName(Frame* frame, const blink::WebString& name); | |
95 | |
96 // mandoline::FrameTreeClient: | |
97 void OnConnect(mandoline::FrameTreeServerPtr server, | |
98 mojo::Array<mandoline::FrameDataPtr> frame_data) override; | |
99 void OnFrameAdded(mandoline::FrameDataPtr frame_data) override; | |
100 void OnFrameRemoved(uint32_t frame_id) override; | |
101 void OnFrameNameChanged(uint32_t frame_id, const mojo::String& name) override; | |
102 | |
103 GlobalState* global_state_; | |
104 | |
105 mojo::ApplicationImpl* app_; | |
106 | |
107 FrameTreeManagerDelegate* delegate_; | |
108 | |
109 // Frame id of the frame we're rendering to. | |
110 const uint32_t local_frame_id_; | |
111 | |
112 mandoline::FrameTreeServerPtr server_; | |
113 | |
114 mojo::LazyInterfacePtr<mojo::NavigatorHost> navigator_host_; | |
115 | |
116 Frame* root_; | |
117 | |
118 DISALLOW_COPY_AND_ASSIGN(FrameTreeManager); | |
119 }; | |
120 | |
121 } // namespace html_viewer | |
122 | |
123 #endif // COMPONENTS_HTML_VIEWER_FRAME_TREE_MANAGER_H_ | |
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