| // 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_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_ |
| #define CHROME_BROWSER_UI_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "chrome/browser/ui/webui/constrained_web_dialog_ui.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "ui/web_dialogs/web_dialog_ui.h" |
| #include "ui/web_dialogs/web_dialog_web_contents_delegate.h" |
| |
| namespace content { |
| class BrowserContext; |
| } |
| |
| namespace ui { |
| class WebDialogDelegate; |
| } |
| |
| // Platform-agnostic base implementation of ConstrainedWebDialogDelegate. |
| class ConstrainedWebDialogDelegateBase |
| : public ConstrainedWebDialogDelegate, |
| public content::WebContentsObserver, |
| public ui::WebDialogWebContentsDelegate { |
| public: |
| // |browser_context| and |delegate| must outlive |this| instance, whereas |
| // |this| will take ownership of |tab_delegate|. |
| ConstrainedWebDialogDelegateBase(content::BrowserContext* browser_context, |
| ui::WebDialogDelegate* delegate, |
| WebDialogWebContentsDelegate* tab_delegate); |
| ~ConstrainedWebDialogDelegateBase() override; |
| |
| bool closed_via_webui() const; |
| |
| // ConstrainedWebDialogDelegate interface. |
| const ui::WebDialogDelegate* GetWebDialogDelegate() const override; |
| ui::WebDialogDelegate* GetWebDialogDelegate() override; |
| void OnDialogCloseFromWebUI() override; |
| std::unique_ptr<content::WebContents> ReleaseWebContents() override; |
| content::WebContents* GetWebContents() override; |
| gfx::NativeWindow GetNativeDialog() override; |
| gfx::Size GetConstrainedWebDialogMinimumSize() const override; |
| gfx::Size GetConstrainedWebDialogMaximumSize() const override; |
| gfx::Size GetConstrainedWebDialogPreferredSize() const override; |
| |
| // WebContentsObserver interface |
| void WebContentsDestroyed() override; |
| |
| // WebDialogWebContentsDelegate interface. |
| void HandleKeyboardEvent( |
| content::WebContents* source, |
| const content::NativeWebKeyboardEvent& event) override; |
| |
| // Resize the dialog to the given size. |
| virtual void ResizeToGivenSize(const gfx::Size size); |
| |
| private: |
| std::unique_ptr<ui::WebDialogDelegate> web_dialog_delegate_; |
| |
| // Holds the HTML to display in the constrained dialog. |
| std::unique_ptr<content::WebContents> web_contents_holder_; |
| |
| // Pointer to the WebContents in |web_contents_holder_| for the lifetime of |
| // that object, even if ReleaseWebContents() gets called. If the WebContents |
| // gets destroyed, |web_contents_| will be set to a nullptr. |
| content::WebContents* web_contents_; |
| |
| // Was the dialog closed from WebUI (in which case |web_dialog_delegate_|'s |
| // OnDialogClosed() method has already been called)? |
| bool closed_via_webui_; |
| |
| std::unique_ptr<WebDialogWebContentsDelegate> override_tab_delegate_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateBase); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_ |