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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "content/browser/frame_host/frame_tree.h" | 5 #include "content/browser/frame_host/frame_tree.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 | 8 |
| 9 #include <queue> | 9 #include <queue> |
| 10 #include <utility> | 10 #include <utility> |
| 11 | 11 |
| 12 #include "base/bind.h" | 12 #include "base/bind.h" |
| 13 #include "base/callback.h" | 13 #include "base/callback.h" |
| 14 #include "base/containers/hash_tables.h" | 14 #include "base/containers/hash_tables.h" |
| 15 #include "base/lazy_instance.h" | 15 #include "base/lazy_instance.h" |
| 16 #include "base/memory/ptr_util.h" | 16 #include "base/memory/ptr_util.h" |
| 17 #include "content/browser/frame_host/frame_tree_node.h" | 17 #include "content/browser/frame_host/frame_tree_node.h" |
| 18 #include "content/browser/frame_host/navigator.h" | 18 #include "content/browser/frame_host/navigator.h" |
| 19 #include "content/browser/frame_host/render_frame_host_factory.h" | 19 #include "content/browser/frame_host/render_frame_host_factory.h" |
| 20 #include "content/browser/frame_host/render_frame_host_impl.h" | 20 #include "content/browser/frame_host/render_frame_host_impl.h" |
| 21 #include "content/browser/frame_host/render_frame_proxy_host.h" | 21 #include "content/browser/frame_host/render_frame_proxy_host.h" |
| 22 #include "content/browser/renderer_host/render_view_host_factory.h" | 22 #include "content/browser/renderer_host/render_view_host_factory.h" |
| 23 #include "content/browser/renderer_host/render_view_host_impl.h" | 23 #include "content/browser/renderer_host/render_view_host_impl.h" |
| 24 #include "content/common/content_switches_internal.h" | 24 #include "content/common/content_switches_internal.h" |
| 25 #include "content/common/frame_owner_properties.h" |
| 25 #include "content/common/input_messages.h" | 26 #include "content/common/input_messages.h" |
| 26 #include "content/common/site_isolation_policy.h" | 27 #include "content/common/site_isolation_policy.h" |
| 27 #include "third_party/WebKit/public/web/WebSandboxFlags.h" | 28 #include "third_party/WebKit/public/web/WebSandboxFlags.h" |
| 28 | 29 |
| 29 namespace content { | 30 namespace content { |
| 30 | 31 |
| 31 namespace { | 32 namespace { |
| 32 | 33 |
| 33 // Helper function to collect SiteInstances involved in rendering a single | 34 // Helper function to collect SiteInstances involved in rendering a single |
| 34 // FrameTree (which is a subset of SiteInstances in main frame's proxy_hosts_ | 35 // FrameTree (which is a subset of SiteInstances in main frame's proxy_hosts_ |
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| 98 navigator, | 99 navigator, |
| 99 render_frame_delegate, | 100 render_frame_delegate, |
| 100 render_widget_delegate, | 101 render_widget_delegate, |
| 101 manager_delegate, | 102 manager_delegate, |
| 102 nullptr, | 103 nullptr, |
| 103 // The top-level frame must always be in a | 104 // The top-level frame must always be in a |
| 104 // document scope. | 105 // document scope. |
| 105 blink::WebTreeScopeType::Document, | 106 blink::WebTreeScopeType::Document, |
| 106 std::string(), | 107 std::string(), |
| 107 std::string(), | 108 std::string(), |
| 108 blink::WebFrameOwnerProperties())), | 109 FrameOwnerProperties())), |
| 109 focused_frame_tree_node_id_(-1), | 110 focused_frame_tree_node_id_(-1), |
| 110 load_progress_(0.0) {} | 111 load_progress_(0.0) {} |
| 111 | 112 |
| 112 FrameTree::~FrameTree() { | 113 FrameTree::~FrameTree() { |
| 113 delete root_; | 114 delete root_; |
| 114 root_ = nullptr; | 115 root_ = nullptr; |
| 115 } | 116 } |
| 116 | 117 |
| 117 FrameTreeNode* FrameTree::FindByID(int frame_tree_node_id) { | 118 FrameTreeNode* FrameTree::FindByID(int frame_tree_node_id) { |
| 118 for (FrameTreeNode* node : Nodes()) { | 119 for (FrameTreeNode* node : Nodes()) { |
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| 159 } | 160 } |
| 160 | 161 |
| 161 FrameTree::NodeRange FrameTree::SubtreeNodes(FrameTreeNode* subtree_root) { | 162 FrameTree::NodeRange FrameTree::SubtreeNodes(FrameTreeNode* subtree_root) { |
| 162 return NodeRange(subtree_root, nullptr); | 163 return NodeRange(subtree_root, nullptr); |
| 163 } | 164 } |
| 164 | 165 |
| 165 FrameTree::NodeRange FrameTree::NodesExcept(FrameTreeNode* node_to_skip) { | 166 FrameTree::NodeRange FrameTree::NodesExcept(FrameTreeNode* node_to_skip) { |
| 166 return NodeRange(root_, node_to_skip); | 167 return NodeRange(root_, node_to_skip); |
| 167 } | 168 } |
| 168 | 169 |
| 169 bool FrameTree::AddFrame( | 170 bool FrameTree::AddFrame(FrameTreeNode* parent, |
| 170 FrameTreeNode* parent, | 171 int process_id, |
| 171 int process_id, | 172 int new_routing_id, |
| 172 int new_routing_id, | 173 blink::WebTreeScopeType scope, |
| 173 blink::WebTreeScopeType scope, | 174 const std::string& frame_name, |
| 174 const std::string& frame_name, | 175 const std::string& frame_unique_name, |
| 175 const std::string& frame_unique_name, | 176 blink::WebSandboxFlags sandbox_flags, |
| 176 blink::WebSandboxFlags sandbox_flags, | 177 const FrameOwnerProperties& frame_owner_properties) { |
| 177 const blink::WebFrameOwnerProperties& frame_owner_properties) { | |
| 178 CHECK_NE(new_routing_id, MSG_ROUTING_NONE); | 178 CHECK_NE(new_routing_id, MSG_ROUTING_NONE); |
| 179 | 179 |
| 180 // A child frame always starts with an initial empty document, which means | 180 // A child frame always starts with an initial empty document, which means |
| 181 // it is in the same SiteInstance as the parent frame. Ensure that the process | 181 // it is in the same SiteInstance as the parent frame. Ensure that the process |
| 182 // which requested a child frame to be added is the same as the process of the | 182 // which requested a child frame to be added is the same as the process of the |
| 183 // parent node. | 183 // parent node. |
| 184 if (parent->current_frame_host()->GetProcess()->GetID() != process_id) | 184 if (parent->current_frame_host()->GetProcess()->GetID() != process_id) |
| 185 return false; | 185 return false; |
| 186 | 186 |
| 187 // AddChild is what creates the RenderFrameHost. | 187 // AddChild is what creates the RenderFrameHost. |
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| 448 // This is only used to set page-level focus in cross-process subframes, and | 448 // This is only used to set page-level focus in cross-process subframes, and |
| 449 // requests to set focus in main frame's SiteInstance are ignored. | 449 // requests to set focus in main frame's SiteInstance are ignored. |
| 450 if (instance != root_manager->current_frame_host()->GetSiteInstance()) { | 450 if (instance != root_manager->current_frame_host()->GetSiteInstance()) { |
| 451 RenderFrameProxyHost* proxy = | 451 RenderFrameProxyHost* proxy = |
| 452 root_manager->GetRenderFrameProxyHost(instance); | 452 root_manager->GetRenderFrameProxyHost(instance); |
| 453 proxy->Send(new InputMsg_SetFocus(proxy->GetRoutingID(), is_focused)); | 453 proxy->Send(new InputMsg_SetFocus(proxy->GetRoutingID(), is_focused)); |
| 454 } | 454 } |
| 455 } | 455 } |
| 456 | 456 |
| 457 } // namespace content | 457 } // namespace content |
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