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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_WEB_VIEW_FRAME_TREE_H_ | |
| 6 #define COMPONENTS_WEB_VIEW_FRAME_TREE_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include "base/macros.h" | |
| 11 #include "base/time/time.h" | |
| 12 #include "components/mus/public/interfaces/window_tree.mojom.h" | |
| 13 #include "components/web_view/frame.h" | |
| 14 #include "mojo/public/cpp/bindings/array.h" | |
| 15 #include "url/gurl.h" | |
| 16 | |
| 17 namespace mojo { | |
| 18 class String; | |
| 19 } | |
| 20 | |
| 21 namespace web_view { | |
| 22 | |
| 23 class FrameTreeDelegate; | |
| 24 class FrameUserData; | |
| 25 | |
| 26 namespace mojom { | |
| 27 class FrameClient; | |
| 28 } | |
| 29 | |
| 30 // FrameTree manages the set of Frames that comprise a single url. FrameTree | |
| 31 // owns the root Frame and each Frame owns its children. Frames are | |
| 32 // automatically deleted and removed from the tree if the corresponding window | |
| 33 // is | |
| 34 // deleted. This happens if the creator of the window deletes it (say an iframe | |
| 35 // is | |
| 36 // destroyed). | |
| 37 class FrameTree { | |
| 38 public: | |
| 39 // |window| is the window to do the initial embedding in. It is assumed | |
| 40 // |window| | |
| 41 // outlives FrameTree. | |
| 42 // |client_properties| is the client properties for the root frame. | |
| 43 // |root_app_id| is a unique identifier of the app providing |root_client|. | |
| 44 // See Frame for details on app id's. | |
| 45 FrameTree(uint32_t root_app_id, | |
| 46 mus::Window* window, | |
| 47 mus::mojom::WindowTreeClientPtr window_tree_client, | |
| 48 FrameTreeDelegate* delegate, | |
| 49 mojom::FrameClient* root_client, | |
| 50 scoped_ptr<FrameUserData> user_data, | |
| 51 const Frame::ClientPropertyMap& client_properties, | |
| 52 base::TimeTicks navigation_start_time); | |
| 53 ~FrameTree(); | |
| 54 | |
| 55 const Frame* root() const { return root_; } | |
| 56 Frame* root() { return root_; } | |
| 57 uint32_t change_id() const { return change_id_; } | |
| 58 | |
| 59 private: | |
| 60 friend class Frame; | |
| 61 | |
| 62 // Creates a new Frame parented to |parent|. The Frame is considered shared in | |
| 63 // that it is sharing the FrameClient/Frame of |parent|. There may or may not | |
| 64 // be a Window identified by |frame_id| yet. See Frame for details. | |
| 65 Frame* CreateChildFrame(Frame* parent, | |
| 66 mojo::InterfaceRequest<mojom::Frame> frame_request, | |
| 67 mojom::FrameClientPtr client, | |
| 68 uint32_t frame_id, | |
| 69 uint32_t app_id, | |
| 70 const Frame::ClientPropertyMap& client_properties); | |
| 71 | |
| 72 // Increments the change id, returning the new value. | |
| 73 uint32_t AdvanceChangeID(); | |
| 74 | |
| 75 void LoadingStateChanged(); | |
| 76 void TitleChanged(const mojo::String& title); | |
| 77 void DidCommitProvisionalLoad(Frame* source); | |
| 78 void DidNavigateLocally(Frame* source, const GURL& url); | |
| 79 void ClientPropertyChanged(const Frame* source, | |
| 80 const mojo::String& name, | |
| 81 const mojo::Array<uint8_t>& value); | |
| 82 | |
| 83 mus::Window* window_; | |
| 84 | |
| 85 FrameTreeDelegate* delegate_; | |
| 86 | |
| 87 // |root_| is owned by this, but a raw pointer as during destruction we still | |
| 88 // want access to it. | |
| 89 Frame* root_; | |
| 90 | |
| 91 double progress_; | |
| 92 | |
| 93 uint32_t change_id_; | |
| 94 | |
| 95 DISALLOW_COPY_AND_ASSIGN(FrameTree); | |
| 96 }; | |
| 97 | |
| 98 } // namespace web_view | |
| 99 | |
| 100 #endif // COMPONENTS_WEB_VIEW_FRAME_TREE_H_ | |
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Chromium Code Reviews
Issue 1677293002:
Bye bye Mandoline (Closed)
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