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// Copyright (c) 2006-2008 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/gtk/tabs/tab_gtk.h"
#include "chrome/browser/gtk/menu_gtk.h"
#include "chrome/common/gfx/path.h"
#include "chrome/common/l10n_util.h"
#include "chrome/common/resource_bundle.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
static const SkScalar kTabCapWidth = 15;
static const SkScalar kTabTopCurveWidth = 4;
static const SkScalar kTabBottomCurveWidth = 3;
class TabGtk::ContextMenuController : public MenuGtk::Delegate {
public:
explicit ContextMenuController(TabGtk* tab)
: tab_(tab) {
menu_.reset(new MenuGtk(this, false));
menu_->AppendMenuItemWithLabel(
TabStripModel::CommandNewTab,
l10n_util::GetStringUTF8(IDS_TAB_CXMENU_NEWTAB));
menu_->AppendSeparator();
menu_->AppendMenuItemWithLabel(
TabStripModel::CommandReload,
l10n_util::GetStringUTF8(IDS_TAB_CXMENU_RELOAD));
menu_->AppendMenuItemWithLabel(
TabStripModel::CommandDuplicate,
l10n_util::GetStringUTF8(IDS_TAB_CXMENU_DUPLICATE));
menu_->AppendSeparator();
menu_->AppendMenuItemWithLabel(
TabStripModel::CommandCloseTab,
l10n_util::GetStringUTF8(IDS_TAB_CXMENU_CLOSETAB));
menu_->AppendMenuItemWithLabel(
TabStripModel::CommandCloseOtherTabs,
l10n_util::GetStringUTF8(IDS_TAB_CXMENU_CLOSEOTHERTABS));
menu_->AppendMenuItemWithLabel(
TabStripModel::CommandCloseTabsToRight,
l10n_util::GetStringUTF8(IDS_TAB_CXMENU_CLOSETABSTORIGHT));
menu_->AppendMenuItemWithLabel(
TabStripModel::CommandCloseTabsOpenedBy,
l10n_util::GetStringUTF8(IDS_TAB_CXMENU_CLOSETABSOPENEDBY));
menu_->AppendMenuItemWithLabel(
TabStripModel::CommandRestoreTab,
l10n_util::GetStringUTF8(IDS_RESTORE_TAB));
}
virtual ~ContextMenuController() {}
void RunMenu() {
menu_->PopupAsContext(gtk_get_current_event_time());
}
void Cancel() {
tab_ = NULL;
menu_->Cancel();
}
private:
// MenuGtk::Delegate implementation:
virtual bool IsCommandEnabled(int command_id) const {
if (!tab_)
return false;
return tab_->delegate()->IsCommandEnabledForTab(
static_cast<TabStripModel::ContextMenuCommand>(command_id), tab_);
}
virtual void ExecuteCommand(int command_id) {
if (!tab_)
return;
tab_->delegate()->ExecuteCommandForTab(
static_cast<TabStripModel::ContextMenuCommand>(command_id), tab_);
}
// The context menu.
scoped_ptr<MenuGtk> menu_;
// The Tab the context menu was brought up for. Set to NULL when the menu
// is canceled.
TabGtk* tab_;
DISALLOW_COPY_AND_ASSIGN(ContextMenuController);
};
///////////////////////////////////////////////////////////////////////////////
// TabGtk, public:
TabGtk::TabGtk(TabDelegate* delegate)
: TabRendererGtk(),
delegate_(delegate),
closing_(false) {
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
SkBitmap* bitmap = rb.GetBitmapNamed(IDR_TAB_CLOSE);
close_button_.reset(new TabButtonGtk(this));
close_button_.get()->SetImage(TabButtonGtk::BS_NORMAL, bitmap);
close_button_.get()->SetImage(TabButtonGtk::BS_HOT,
rb.GetBitmapNamed(IDR_TAB_CLOSE_H));
close_button_.get()->SetImage(TabButtonGtk::BS_PUSHED,
rb.GetBitmapNamed(IDR_TAB_CLOSE_P));
close_button_.get()->set_bounds(
gfx::Rect(0, 0, bitmap->width(), bitmap->height()));
}
TabGtk::~TabGtk() {
if (menu_controller_.get()) {
// The menu is showing. Close the menu.
menu_controller_->Cancel();
// Invoke this so that we hide the highlight.
ContextMenuClosed();
}
}
bool TabGtk::IsPointInBounds(const gfx::Point& point) {
GdkRegion* region = MakeRegionForTab();
bool in_bounds = (gdk_region_point_in(region, point.x(), point.y()) == TRUE);
gdk_region_destroy(region);
return in_bounds;
}
bool TabGtk::OnMotionNotify(GdkEventMotion* event) {
gfx::Point point(event->x, event->y);
bool paint = false;
if (!(event->state & GDK_BUTTON1_MASK))
paint = set_hovering(IsPointInBounds(point));
paint |= close_button_.get()->OnMotionNotify(event);
return paint;
}
bool TabGtk::OnMousePress(const gfx::Point& point) {
if (close_button_.get()->IsPointInBounds(point))
return close_button_.get()->OnMousePress();
return false;
}
void TabGtk::OnMouseRelease(GdkEventButton* event) {
close_button_.get()->OnMouseRelease();
if (event->button == 3) {
ShowContextMenu();
}
}
bool TabGtk::OnLeaveNotify() {
bool paint = set_hovering(false);
paint |= close_button_.get()->OnLeaveNotify();
return paint;
}
///////////////////////////////////////////////////////////////////////////////
// TabGtk, TabRendererGtk overrides:
bool TabGtk::IsSelected() const {
return delegate_->IsTabSelected(this);
}
void TabGtk::CloseButtonResized(const gfx::Rect& bounds) {
close_button_.get()->set_bounds(bounds);
}
void TabGtk::Paint(ChromeCanvasPaint* canvas) {
TabRendererGtk::Paint(canvas);
close_button_.get()->Paint(canvas);
}
////////////////////////////////////////////////////////////////////////////////
// TabGtk, TabButtonGtk::Delegate implementation:
GdkRegion* TabGtk::MakeRegionForButton(const TabButtonGtk* button) const {
// Use the close button bounds for hit-testing.
return NULL;
}
void TabGtk::OnButtonActivate(const TabButtonGtk* button) {
delegate_->CloseTab(this);
}
///////////////////////////////////////////////////////////////////////////////
// TabGtk, private:
GdkRegion* TabGtk::MakeRegionForTab()const {
int w = width();
int h = height();
static const int kNumRegionPoints = 9;
GdkPoint polygon[kNumRegionPoints] = {
{ 0, h },
{ kTabBottomCurveWidth, h - kTabBottomCurveWidth },
{ kTabCapWidth - kTabTopCurveWidth, kTabTopCurveWidth },
{ kTabCapWidth, 0 },
{ w - kTabCapWidth, 0 },
{ w - kTabCapWidth - kTabTopCurveWidth, kTabTopCurveWidth },
{ w - kTabBottomCurveWidth, h - kTabBottomCurveWidth },
{ w, h },
{ 0, h },
};
GdkRegion* region = gdk_region_polygon(polygon, kNumRegionPoints,
GDK_WINDING_RULE);
gdk_region_offset(region, x(), y());
return region;
}
void TabGtk::ShowContextMenu() {
if (!menu_controller_.get())
menu_controller_.reset(new ContextMenuController(this));
menu_controller_->RunMenu();
}
void TabGtk::ContextMenuClosed() {
delegate()->StopAllHighlighting();
menu_controller_.reset();
}
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