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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/aura/tab_contents/web_drag_bookmark_handler_aura.h"
#include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_window.h"
#include "components/bookmarks/browser/bookmark_node_data.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/dragdrop/os_exchange_data.h"
using content::WebContents;
WebDragBookmarkHandlerAura::WebDragBookmarkHandlerAura()
: bookmark_tab_helper_(nullptr), web_contents_(nullptr) {}
WebDragBookmarkHandlerAura::~WebDragBookmarkHandlerAura() = default;
void WebDragBookmarkHandlerAura::DragInitialize(WebContents* contents) {
// Ideally we would want to initialize the the BookmarkTabHelper member in
// the constructor. We cannot do that as the WebDragDest object is
// created during the construction of the WebContents object. The
// BookmarkTabHelper is created much later.
web_contents_ = contents;
if (!bookmark_tab_helper_) {
bookmark_tab_helper_ = BookmarkTabHelper::FromWebContents(contents);
}
}
void WebDragBookmarkHandlerAura::OnDragOver() {
DCHECK(web_contents_);
if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) {
if (bookmark_drag_data_.is_valid()) {
bookmark_tab_helper_->bookmark_drag_delegate()->OnDragOver(
bookmark_drag_data_);
}
}
}
void WebDragBookmarkHandlerAura::OnReceiveDragData(
const ui::OSExchangeData& data) {
if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) {
// Read the bookmark drag data and save it for use in later events in this
// drag.
bookmark_drag_data_.Read(data);
}
}
void WebDragBookmarkHandlerAura::OnDragEnter() {
if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) {
if (bookmark_drag_data_.is_valid()) {
bookmark_tab_helper_->bookmark_drag_delegate()->OnDragEnter(
bookmark_drag_data_);
}
}
}
void WebDragBookmarkHandlerAura::OnDrop() {
if (bookmark_tab_helper_) {
if (bookmark_tab_helper_->bookmark_drag_delegate()) {
if (bookmark_drag_data_.is_valid()) {
bookmark_tab_helper_->bookmark_drag_delegate()->OnDrop(
bookmark_drag_data_);
}
}
// Focus the target browser.
Browser* browser = chrome::FindBrowserWithTab(web_contents_);
if (browser) {
browser->window()->Show();
}
}
bookmark_drag_data_.Clear();
}
void WebDragBookmarkHandlerAura::OnDragLeave() {
if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) {
if (bookmark_drag_data_.is_valid()) {
bookmark_tab_helper_->bookmark_drag_delegate()->OnDragLeave(
bookmark_drag_data_);
}
}
bookmark_drag_data_.Clear();
}
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