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// Copyright (c) 2011 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_HTML_DIALOG_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_HTML_DIALOG_VIEW_H_
#pragma once
#include <string>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/tab_first_render_watcher.h"
#include "chrome/browser/ui/views/dom_view.h"
#include "chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h"
#include "chrome/browser/ui/webui/html_dialog_ui.h"
#include "ui/gfx/size.h"
#include "ui/views/widget/widget_delegate.h"
class Browser;
////////////////////////////////////////////////////////////////////////////////
//
// HtmlDialogView is a view used to display an HTML dialog to the user. The
// content of the dialogs is determined by the delegate
// (HtmlDialogUIDelegate), but is basically a file URL along with a
// JSON input string. The HTML is supposed to show a UI to the user and is
// expected to send back a JSON file as a return value.
//
////////////////////////////////////////////////////////////////////////////////
//
// TODO(akalin): Make HtmlDialogView contain an HtmlDialogTabContentsDelegate
// instead of inheriting from it to avoid violating the "no multiple
// inheritance" rule.
class HtmlDialogView
: public DOMView,
public HtmlDialogTabContentsDelegate,
public HtmlDialogUIDelegate,
public views::WidgetDelegate,
public TabFirstRenderWatcher::Delegate {
public:
HtmlDialogView(Profile* profile, HtmlDialogUIDelegate* delegate);
virtual ~HtmlDialogView();
// Initializes the contents of the dialog (the DOMView and the callbacks).
void InitDialog();
// Overridden from views::View:
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual bool AcceleratorPressed(const ui::Accelerator& accelerator)
OVERRIDE;
virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child)
OVERRIDE;
// Overridden from views::WidgetDelegate:
virtual bool CanResize() const OVERRIDE;
virtual bool IsModal() const OVERRIDE;
virtual string16 GetWindowTitle() const OVERRIDE;
virtual void WindowClosing() OVERRIDE;
virtual views::View* GetContentsView() OVERRIDE;
virtual views::View* GetInitiallyFocusedView() OVERRIDE;
virtual bool ShouldShowWindowTitle() const OVERRIDE;
virtual views::Widget* GetWidget() OVERRIDE;
virtual const views::Widget* GetWidget() const OVERRIDE;
// Overridden from HtmlDialogUIDelegate:
virtual bool IsDialogModal() const OVERRIDE;
virtual string16 GetDialogTitle() const OVERRIDE;
virtual GURL GetDialogContentURL() const OVERRIDE;
virtual void GetWebUIMessageHandlers(
std::vector<WebUIMessageHandler*>* handlers) const OVERRIDE;
virtual void GetDialogSize(gfx::Size* size) const OVERRIDE;
virtual std::string GetDialogArgs() const OVERRIDE;
virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
virtual void OnCloseContents(TabContents* source, bool* out_close_dialog)
OVERRIDE;
virtual bool ShouldShowDialogTitle() const OVERRIDE;
virtual bool HandleContextMenu(const ContextMenuParams& params) OVERRIDE;
// Overridden from content::WebContentsDelegate:
virtual void MoveContents(TabContents* source, const gfx::Rect& pos) OVERRIDE;
virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event)
OVERRIDE;
virtual void CloseContents(TabContents* source) OVERRIDE;
protected:
// Register accelerators for this dialog.
virtual void RegisterDialogAccelerators();
// TabFirstRenderWatcher::Delegate implementation.
virtual void OnRenderHostCreated(RenderViewHost* host) OVERRIDE;
virtual void OnTabMainFrameLoaded() OVERRIDE;
virtual void OnTabMainFrameFirstRender() OVERRIDE;
private:
FRIEND_TEST_ALL_PREFIXES(HtmlDialogBrowserTest, WebContentRendered);
// Whether the view is initialized. That is, dialog acceleartors is registered
// and FreezeUpdates property is set to prevent WM from showing the window
// until the property is removed.
bool initialized_;
// Watches for TabContents rendering.
scoped_ptr<TabFirstRenderWatcher> tab_watcher_;
// This view is a delegate to the HTML content since it needs to get notified
// about when the dialog is closing. For all other actions (besides dialog
// closing) we delegate to the creator of this view, which we keep track of
// using this variable.
HtmlDialogUIDelegate* delegate_;
DISALLOW_COPY_AND_ASSIGN(HtmlDialogView);
};
#endif // CHROME_BROWSER_UI_VIEWS_HTML_DIALOG_VIEW_H_
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