Move HistoryEntry to separate file, make HistoryNode a subclass of HistoryEntry
history_controller.{h,cc} consists of 3 classes. Breaking it up was requested as a followup to http://src.chromium.org/viewvc/chrome?view=revision&revision=263767
BUG=
Review URL: https://codereview.chromium.org/243323004
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@265132 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/content/renderer/history_entry.cc b/content/renderer/history_entry.cc
new file mode 100644
index 0000000..8d168ee5
--- /dev/null
+++ b/content/renderer/history_entry.cc
@@ -0,0 +1,177 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/*
+ * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
+ * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
+ * (http://www.torchmobile.com/)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "content/renderer/history_entry.h"
+
+#include <deque>
+
+#include "content/renderer/render_frame_impl.h"
+#include "content/renderer/render_view_impl.h"
+#include "third_party/WebKit/public/web/WebFrame.h"
+
+using blink::WebFrame;
+using blink::WebHistoryItem;
+
+namespace content {
+
+HistoryEntry::HistoryNode* HistoryEntry::HistoryNode::AddChild(
+ const WebHistoryItem& item,
+ int64_t frame_id) {
+ children_->push_back(new HistoryNode(entry_, item, frame_id));
+ return children_->back();
+}
+
+HistoryEntry::HistoryNode* HistoryEntry::HistoryNode::CloneAndReplace(
+ HistoryEntry* new_entry,
+ const WebHistoryItem& new_item,
+ bool clone_children_of_target,
+ RenderFrameImpl* target_frame,
+ RenderFrameImpl* current_frame) {
+ bool is_target_frame = target_frame == current_frame;
+ const WebHistoryItem& item_for_create = is_target_frame ? new_item : item_;
+ HistoryNode* new_history_node = new HistoryNode(
+ new_entry, item_for_create, current_frame->GetRoutingID());
+
+ if (is_target_frame && clone_children_of_target && !item_.isNull()) {
+ new_history_node->item().setDocumentSequenceNumber(
+ item_.documentSequenceNumber());
+ }
+
+ if (clone_children_of_target || !is_target_frame) {
+ for (WebFrame* child = current_frame->GetWebFrame()->firstChild(); child;
+ child = child->nextSibling()) {
+ RenderFrameImpl* child_render_frame =
+ RenderFrameImpl::FromWebFrame(child);
+ HistoryNode* child_history_node =
+ entry_->GetHistoryNodeForFrame(child_render_frame);
+ if (!child_history_node)
+ continue;
+ HistoryNode* new_child_node =
+ child_history_node->CloneAndReplace(new_entry,
+ new_item,
+ clone_children_of_target,
+ target_frame,
+ child_render_frame);
+ new_history_node->children_->push_back(new_child_node);
+ }
+ }
+ return new_history_node;
+}
+
+HistoryEntry::HistoryNode::HistoryNode(HistoryEntry* entry,
+ const WebHistoryItem& item,
+ int64_t frame_id)
+ : entry_(entry), item_(item) {
+ if (frame_id != kInvalidFrameRoutingID)
+ entry_->frames_to_items_[frame_id] = this;
+ entry_->unique_names_to_items_[item.target().utf8()] = this;
+ children_.reset(new ScopedVector<HistoryNode>);
+}
+
+HistoryEntry::HistoryNode::~HistoryNode() {
+}
+
+void HistoryEntry::HistoryNode::RemoveChildren() {
+ // TODO(japhet): This is inefficient. Figure out a cleaner way to ensure
+ // this HistoryNode isn't cached anywhere.
+ std::vector<uint64_t> frames_to_remove;
+ std::vector<std::string> unique_names_to_remove;
+ for (size_t i = 0; i < children().size(); i++) {
+ children().at(i)->RemoveChildren();
+
+ HistoryEntry::FramesToItems::iterator frames_end =
+ entry_->frames_to_items_.end();
+ HistoryEntry::UniqueNamesToItems::iterator unique_names_end =
+ entry_->unique_names_to_items_.end();
+ for (HistoryEntry::FramesToItems::iterator it =
+ entry_->frames_to_items_.begin();
+ it != frames_end;
+ ++it) {
+ if (it->second == children().at(i))
+ frames_to_remove.push_back(it->first);
+ }
+ for (HistoryEntry::UniqueNamesToItems::iterator it =
+ entry_->unique_names_to_items_.begin();
+ it != unique_names_end;
+ ++it) {
+ if (it->second == children().at(i))
+ unique_names_to_remove.push_back(it->first);
+ }
+ }
+ for (unsigned i = 0; i < frames_to_remove.size(); i++)
+ entry_->frames_to_items_.erase(frames_to_remove[i]);
+ for (unsigned i = 0; i < unique_names_to_remove.size(); i++)
+ entry_->unique_names_to_items_.erase(unique_names_to_remove[i]);
+ children_.reset(new ScopedVector<HistoryNode>);
+}
+
+HistoryEntry::HistoryEntry() {
+}
+
+HistoryEntry::~HistoryEntry() {
+}
+
+HistoryEntry::HistoryEntry(const WebHistoryItem& root, int64_t frame_id) {
+ root_.reset(new HistoryNode(this, root, frame_id));
+}
+
+HistoryEntry* HistoryEntry::CloneAndReplace(const WebHistoryItem& new_item,
+ bool clone_children_of_target,
+ RenderFrameImpl* target_frame,
+ RenderViewImpl* render_view) {
+ HistoryEntry* new_entry = new HistoryEntry();
+ new_entry->root_.reset(
+ root_->CloneAndReplace(new_entry,
+ new_item,
+ clone_children_of_target,
+ target_frame,
+ render_view->main_render_frame()));
+ return new_entry;
+}
+
+HistoryEntry::HistoryNode* HistoryEntry::GetHistoryNodeForFrame(
+ RenderFrameImpl* frame) {
+ if (HistoryNode* history_node = frames_to_items_[frame->GetRoutingID()])
+ return history_node;
+ return unique_names_to_items_[frame->GetWebFrame()->uniqueName().utf8()];
+}
+
+WebHistoryItem HistoryEntry::GetItemForFrame(RenderFrameImpl* frame) {
+ if (HistoryNode* history_node = GetHistoryNodeForFrame(frame))
+ return history_node->item();
+ return WebHistoryItem();
+}
+
+} // namespace content
