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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_WEB_DIALOG_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_WEB_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_render_watcher.h"
#include "chrome/browser/ui/webui/web_dialog_web_contents_delegate.h"
#include "chrome/browser/ui/webui/web_dialog_ui.h"
#include "ui/gfx/size.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget_delegate.h"
class Browser;
class WebDialogController;
class Profile;
namespace views {
class WebView;
}
////////////////////////////////////////////////////////////////////////////////
//
// WebDialogView is a view used to display an web dialog to the user. The
// content of the dialogs is determined by the delegate
// (WebDialogDelegate), 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 WebDialogView contain an WebDialogWebContentsDelegate
// instead of inheriting from it to avoid violating the "no multiple
// inheritance" rule.
// TODO(beng): This class should not depend on Browser or Profile, only
// content::BrowserContext.
class WebDialogView
: public views::View,
public WebDialogWebContentsDelegate,
public WebDialogDelegate,
public views::WidgetDelegate,
public TabRenderWatcher::Delegate {
public:
WebDialogView(Profile* profile,
Browser* browser,
WebDialogDelegate* delegate);
virtual ~WebDialogView();
// For testing.
content::WebContents* web_contents();
// Overridden from views::View:
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual bool AcceleratorPressed(const ui::Accelerator& accelerator)
OVERRIDE;
virtual void ViewHierarchyChanged(bool is_add,
views::View* parent,
views::View* child) OVERRIDE;
// Overridden from views::WidgetDelegate:
virtual bool CanResize() const OVERRIDE;
virtual ui::ModalType GetModalType() const OVERRIDE;
virtual string16 GetWindowTitle() const OVERRIDE;
virtual std::string GetWindowName() 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 WebDialogDelegate:
virtual ui::ModalType GetDialogModalType() const OVERRIDE;
virtual string16 GetDialogTitle() const OVERRIDE;
virtual GURL GetDialogContentURL() const OVERRIDE;
virtual void GetWebUIMessageHandlers(
std::vector<content::WebUIMessageHandler*>* handlers) const OVERRIDE;
virtual void GetDialogSize(gfx::Size* size) const OVERRIDE;
virtual void GetMinimumDialogSize(gfx::Size* size) const OVERRIDE;
virtual std::string GetDialogArgs() const OVERRIDE;
virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
virtual void OnCloseContents(content::WebContents* source,
bool* out_close_dialog) OVERRIDE;
virtual bool ShouldShowDialogTitle() const OVERRIDE;
virtual bool HandleContextMenu(
const content::ContextMenuParams& params) OVERRIDE;
// Overridden from content::WebContentsDelegate:
virtual void MoveContents(content::WebContents* source,
const gfx::Rect& pos) OVERRIDE;
virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event)
OVERRIDE;
virtual void CloseContents(content::WebContents* source) OVERRIDE;
virtual content::WebContents* OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) OVERRIDE;
virtual void AddNewContents(content::WebContents* source,
content::WebContents* new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture) OVERRIDE;
virtual void LoadingStateChanged(content::WebContents* source) OVERRIDE;
protected:
// Overridden from TabRenderWatcher::Delegate:
virtual void OnRenderHostCreated(content::RenderViewHost* host) OVERRIDE;
virtual void OnTabMainFrameLoaded() OVERRIDE;
virtual void OnTabMainFrameRender() OVERRIDE;
private:
FRIEND_TEST_ALL_PREFIXES(WebDialogBrowserTest, WebContentRendered);
// Initializes the contents of the dialog.
void InitDialog();
// Whether the view is initialized. That is, dialog accelerators is registered
// and FreezeUpdates property is set to prevent WM from showing the window
// until the property is removed.
bool initialized_;
// Watches for WebContents rendering.
scoped_ptr<TabRenderWatcher> 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.
WebDialogDelegate* delegate_;
// Controls lifetime of dialog.
scoped_ptr<WebDialogController> dialog_controller_;
views::WebView* web_view_;
DISALLOW_COPY_AND_ASSIGN(WebDialogView);
};
#endif // CHROME_BROWSER_UI_VIEWS_WEB_DIALOG_VIEW_H_
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