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// Copyright (c) 2009 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.
#include "chrome/browser/views/frame/browser_root_view.h"
#include "app/drag_drop_types.h"
#include "app/os_exchange_data.h"
#include "chrome/browser/views/frame/browser_view.h"
#include "chrome/browser/views/frame/browser_frame.h"
#include "chrome/browser/views/tabs/tab_strip_wrapper.h"
BrowserRootView::BrowserRootView(views::Widget* widget)
: views::RootView(widget),
tabstrip_(NULL),
forwarding_to_tab_strip_(false) {
}
bool BrowserRootView::GetDropFormats(
int* formats,
std::set<OSExchangeData::CustomFormat>* custom_formats) {
if (tabstrip_ && tabstrip_->GetView()->IsVisible() &&
!tabstrip_->IsAnimating()) {
*formats = OSExchangeData::URL;
return true;
}
return false;
}
bool BrowserRootView::CanDrop(const OSExchangeData& data) {
return (tabstrip_ && tabstrip_->GetView()->IsVisible() &&
!tabstrip_->IsAnimating());
}
void BrowserRootView::OnDragEntered(const views::DropTargetEvent& event) {
if (ShouldForwardToTabStrip(event)) {
forwarding_to_tab_strip_ = true;
scoped_ptr<views::DropTargetEvent> mapped_event(MapEventToTabStrip(event));
tabstrip_->GetView()->OnDragEntered(*mapped_event.get());
}
}
int BrowserRootView::OnDragUpdated(const views::DropTargetEvent& event) {
if (ShouldForwardToTabStrip(event)) {
scoped_ptr<views::DropTargetEvent> mapped_event(
MapEventToTabStrip(event));
if (!forwarding_to_tab_strip_) {
tabstrip_->GetView()->OnDragEntered(*mapped_event.get());
forwarding_to_tab_strip_ = true;
}
return tabstrip_->GetView()->OnDragUpdated(*mapped_event.get());
} else if (forwarding_to_tab_strip_) {
forwarding_to_tab_strip_ = false;
tabstrip_->GetView()->OnDragExited();
}
return DragDropTypes::DRAG_NONE;
}
void BrowserRootView::OnDragExited() {
if (forwarding_to_tab_strip_) {
forwarding_to_tab_strip_ = false;
tabstrip_->GetView()->OnDragExited();
}
}
int BrowserRootView::OnPerformDrop(const views::DropTargetEvent& event) {
if (forwarding_to_tab_strip_) {
forwarding_to_tab_strip_ = false;
scoped_ptr<views::DropTargetEvent> mapped_event(
MapEventToTabStrip(event));
return tabstrip_->GetView()->OnPerformDrop(*mapped_event.get());
}
return DragDropTypes::DRAG_NONE;
}
bool BrowserRootView::ShouldForwardToTabStrip(
const views::DropTargetEvent& event) {
if (!tabstrip_->GetView()->IsVisible())
return false;
// Allow the drop as long as the mouse is over the tabstrip or vertically
// before it.
gfx::Point tab_loc_in_host;
ConvertPointToView(tabstrip_->GetView(), this, &tab_loc_in_host);
return event.y() < tab_loc_in_host.y() + tabstrip_->GetView()->height();
}
views::DropTargetEvent* BrowserRootView::MapEventToTabStrip(
const views::DropTargetEvent& event) {
gfx::Point tab_strip_loc(event.location());
ConvertPointToView(this, tabstrip_->GetView(), &tab_strip_loc);
return new views::DropTargetEvent(event.GetData(), tab_strip_loc.x(),
tab_strip_loc.y(),
event.GetSourceOperations());
}
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