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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/tabs/browser_tab_strip.h"
#include "base/compiler_specific.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/views/tabs/tab_strip.h" // for CreateTabStrip only.
namespace {
////////////////////////////////////////////////////////////////////////////////
// RemovingTabModel
// After a tab is removed from the TabStrip2's model, the model can no longer
// provide information about the tab needed to update the display, however the
// TabStrip2 continues to display the tab until it animates out of existence.
// During this period, this model serves as a dummy. It is created and assigned
// to the tab when the tab is removed from the model and owned by the Tab2.
class RemovingTabModel : public Tab2Model {
public:
explicit RemovingTabModel(TabContents* source)
: title_(source->GetTitle()),
icon_(source->GetFavIcon()),
should_show_icon_(source->ShouldDisplayFavIcon()),
is_loading_(source->is_loading()),
is_crashed_(source->is_crashed()),
is_incognito_(source->profile()->IsOffTheRecord()) {
}
// Overridden from Tab2Model:
virtual string16 GetTitle(Tab2* tab) const { return title_; }
virtual SkBitmap GetIcon(Tab2* tab) const { return icon_; }
virtual bool IsSelected(Tab2* tab) const { return false; }
virtual bool ShouldShowIcon(Tab2* tab) const { return should_show_icon_; }
virtual bool IsLoading(Tab2* tab) const { return is_loading_; }
virtual bool IsCrashed(Tab2* tab) const { return is_crashed_; }
virtual bool IsIncognito(Tab2* tab) const { return is_incognito_; }
virtual void SelectTab(Tab2* tab) { NOTREACHED(); }
virtual void CloseTab(Tab2* tab) { NOTREACHED(); }
virtual void CaptureDragInfo(Tab2* tab,
const views::MouseEvent& drag_event) {
NOTREACHED();
}
virtual bool DragTab(Tab2* tab, const views::MouseEvent& drag_event) {
NOTREACHED();
return false;
}
virtual void DragEnded(Tab2* tab) {
NOTREACHED();
}
virtual views::AnimatorDelegate* AsAnimatorDelegate() {
NOTREACHED();
return NULL;
}
private:
// Captured display state.
string16 title_;
SkBitmap icon_;
bool should_show_icon_;
bool is_loading_;
bool is_crashed_;
bool is_incognito_;
DISALLOW_COPY_AND_ASSIGN(RemovingTabModel);
};
} // namespace
////////////////////////////////////////////////////////////////////////////////
// BrowserTabStrip, public:
BrowserTabStrip::BrowserTabStrip(TabStripModel* model)
: ALLOW_THIS_IN_INITIALIZER_LIST(TabStrip2(this)),
model_(model) {
model_->AddObserver(this);
}
BrowserTabStrip::~BrowserTabStrip() {
model_->RemoveObserver(this);
}
TabContents* BrowserTabStrip::DetachTab(int index) {
TabContents* contents = model_->GetTabContentsAt(index);
model_->DetachTabContentsAt(index);
return contents;
}
void BrowserTabStrip::AttachTab(TabContents* contents,
const gfx::Point& screen_point,
const gfx::Rect& tab_screen_bounds) {
gfx::Point tabstrip_point(screen_point);
gfx::Point screen_origin;
View::ConvertPointToScreen(this, &screen_origin);
tabstrip_point.Offset(-screen_origin.x(), -screen_origin.y());
int index = GetInsertionIndexForPoint(tabstrip_point);
model_->InsertTabContentsAt(index, contents, true, false);
gfx::Point origin(tab_screen_bounds.origin());
View::ConvertPointToView(NULL, this, &origin);
ResumeDraggingTab(index, gfx::Rect(origin, tab_screen_bounds.size()));
// TODO(beng): post task to continue dragging now.
}
////////////////////////////////////////////////////////////////////////////////
// BrowserTabStrip, TabStripModelObserver overrides:
void BrowserTabStrip::TabInsertedAt(TabContents* contents,
int index,
bool foreground) {
AddTabAt(index);
}
void BrowserTabStrip::TabDetachedAt(TabContents* contents, int index) {
RemoveTabAt(index, new RemovingTabModel(contents));
}
void BrowserTabStrip::TabSelectedAt(TabContents* old_contents,
TabContents* contents,
int index,
bool user_gesture) {
TabStrip2::SelectTabAt(index);
}
void BrowserTabStrip::TabMoved(TabContents* contents,
int from_index,
int to_index,
bool pinned_state_changed) {
TabStrip2::MoveTabAt(from_index, to_index);
}
void BrowserTabStrip::TabChangedAt(TabContents* contents, int index) {
// TODO
}
////////////////////////////////////////////////////////////////////////////////
// BrowserTabStrip, TabStrip2Model overrides:
string16 BrowserTabStrip::GetTitle(int index) const {
return model_->GetTabContentsAt(index)->GetTitle();
}
SkBitmap BrowserTabStrip::GetIcon(int index) const {
return model_->GetTabContentsAt(index)->GetFavIcon();
}
bool BrowserTabStrip::IsSelected(int index) const {
return model_->selected_index() == index;
}
bool BrowserTabStrip::ShouldShowIcon(int index) const {
return model_->GetTabContentsAt(index)->ShouldDisplayFavIcon();
}
bool BrowserTabStrip::IsLoading(int index) const {
return model_->GetTabContentsAt(index)->is_loading();
}
bool BrowserTabStrip::IsCrashed(int index) const {
return model_->GetTabContentsAt(index)->is_crashed();
}
bool BrowserTabStrip::IsIncognito(int index) const {
return model_->GetTabContentsAt(index)->profile()->IsOffTheRecord();
}
void BrowserTabStrip::SelectTabAt(int index) {
model_->SelectTabContentsAt(index, true);
}
bool BrowserTabStrip::CanDragTabs() const {
return model_->delegate()->GetDragActions() != 0;
}
void BrowserTabStrip::MoveTabAt(int index, int to_index) {
model_->MoveTabContentsAt(index, to_index, true);
}
void BrowserTabStrip::DetachTabAt(int index, const gfx::Rect& window_bounds,
const gfx::Rect& tab_bounds) {
TabContents* contents = DetachTab(index);
model_->delegate()->ContinueDraggingDetachedTab(contents, window_bounds,
tab_bounds);
}
////////////////////////////////////////////////////////////////////////////////
// BrowserTabStrip, TabStripWrapper implementation:
int BrowserTabStrip::GetPreferredHeight() {
return GetPreferredSize().height();
}
bool BrowserTabStrip::IsAnimating() const {
return false;
}
void BrowserTabStrip::SetBackgroundOffset(gfx::Point offset) {
}
bool BrowserTabStrip::PointIsWithinWindowCaption(
const gfx::Point& point) {
return false;
}
bool BrowserTabStrip::IsDragSessionActive() const {
return false;
}
bool BrowserTabStrip::IsCompatibleWith(TabStripWrapper* other) const {
return false;
}
void BrowserTabStrip::SetDraggedTabBounds(int tab_index,
const gfx::Rect& tab_bounds) {
TabStrip2::SetDraggedTabBounds(tab_index, tab_bounds);
}
void BrowserTabStrip::UpdateLoadingAnimations() {
}
views::View* BrowserTabStrip::GetView() {
return this;
}
BrowserTabStrip* BrowserTabStrip::AsBrowserTabStrip() {
return this;
}
TabStrip* BrowserTabStrip::AsTabStrip() {
return NULL;
}
////////////////////////////////////////////////////////////////////////////////
// TabStripWrapper, public:
// static
TabStripWrapper* TabStripWrapper::CreateTabStrip(TabStripModel* model) {
if (TabStrip2::Enabled())
return new BrowserTabStrip(model);
return new TabStrip(model);
}
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