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// Copyright (c) 2012 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.
#ifndef CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_
#define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "chrome/browser/ui/views/extensions/extension_view_views.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/views/bubble/bubble_delegate.h"
#include "ui/wm/public/activation_change_observer.h"
#include "url/gurl.h"
class Browser;
namespace views {
class Widget;
}
namespace content {
class DevToolsAgentHost;
}
namespace extensions {
class ExtensionViewHost;
}
class ExtensionPopup : public views::BubbleDelegateView,
public aura::client::ActivationChangeObserver,
public ExtensionViewViews::Container,
public content::NotificationObserver,
public TabStripModelObserver {
public:
enum ShowAction {
SHOW,
SHOW_AND_INSPECT,
};
~ExtensionPopup() override;
// Create and show a popup with |url| positioned adjacent to |anchor_view|.
// |browser| is the browser to which the pop-up will be attached. NULL is a
// valid parameter for pop-ups not associated with a browser.
// The positioning of the pop-up is determined by |arrow| according to the
// following logic: The popup is anchored so that the corner indicated by the
// value of |arrow| remains fixed during popup resizes. If |arrow| is
// BOTTOM_*, then the popup 'pops up', otherwise the popup 'drops down'.
// The actual display of the popup is delayed until the page contents
// finish loading in order to minimize UI flashing and resizing.
static ExtensionPopup* ShowPopup(const GURL& url,
Browser* browser,
views::View* anchor_view,
views::BubbleBorder::Arrow arrow,
ShowAction show_action);
extensions::ExtensionViewHost* host() const { return host_.get(); }
// content::NotificationObserver overrides.
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
// ExtensionViewViews::Container overrides.
void OnExtensionSizeChanged(ExtensionViewViews* view) override;
// views::View overrides.
gfx::Size GetPreferredSize() const override;
void ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) override;
// views::WidgetObserver overrides.
void OnWidgetDestroying(views::Widget* widget) override;
void OnWidgetActivationChanged(views::Widget* widget, bool active) override;
// aura::client::ActivationChangeObserver overrides.
void OnWindowActivated(aura::Window* gained_active,
aura::Window* lost_active) override;
// TabStripModelObserver overrides.
void ActiveTabChanged(content::WebContents* old_contents,
content::WebContents* new_contents,
int index,
int reason) override;
// The min/max height of popups.
static const int kMinWidth;
static const int kMinHeight;
static const int kMaxWidth;
static const int kMaxHeight;
private:
ExtensionPopup(extensions::ExtensionViewHost* host,
views::View* anchor_view,
views::BubbleBorder::Arrow arrow,
ShowAction show_action);
// Show the bubble, focus on its content, and register listeners.
void ShowBubble();
void OnDevToolsStateChanged(content::DevToolsAgentHost*, bool attached);
// The contained host for the view.
scoped_ptr<extensions::ExtensionViewHost> host_;
// Flag used to indicate if the pop-up should open a devtools window once
// it is shown inspecting it.
bool inspect_with_devtools_;
content::NotificationRegistrar registrar_;
base::Callback<void(content::DevToolsAgentHost*, bool)> devtools_callback_;
bool widget_initialized_;
DISALLOW_COPY_AND_ASSIGN(ExtensionPopup);
};
#endif // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_POPUP_H_
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