| // 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 UI_WEB_DIALOGS_WEB_DIALOG_UI_H_ |
| #define UI_WEB_DIALOGS_WEB_DIALOG_UI_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "base/strings/string16.h" |
| #include "content/public/browser/web_contents_delegate.h" |
| #include "content/public/browser/web_ui_controller.h" |
| #include "ui/base/ui_base_types.h" |
| #include "ui/web_dialogs/web_dialogs_export.h" |
| #include "ui/webui/mojo_web_ui_controller.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| namespace ui { |
| |
| class WebDialogDelegate; |
| |
| class WEB_DIALOGS_EXPORT WebDialogUIBase { |
| public: |
| // Sets the delegate on the WebContents. |
| static void SetDelegate(content::WebContents* web_contents, |
| WebDialogDelegate* delegate); |
| |
| WebDialogUIBase(content::WebUI* web_ui); |
| |
| // Close the dialog, passing the specified arguments to the close handler. |
| void CloseDialog(const base::ListValue* args); |
| |
| protected: |
| virtual ~WebDialogUIBase(); |
| |
| // Prepares |render_frame_host| to host a dialog. |
| void HandleRenderFrameCreated(content::RenderFrameHost* render_frame_host); |
| |
| private: |
| // Gets the delegate for the WebContent set with SetDelegate. |
| static WebDialogDelegate* GetDelegate(content::WebContents* web_contents); |
| |
| // JS message handler. |
| void OnDialogClosed(const base::ListValue* args); |
| |
| content::WebUI* web_ui_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebDialogUIBase); |
| }; |
| |
| // Displays file URL contents inside a modal web dialog. |
| // |
| // This application really should not use WebContents + WebUI. It should instead |
| // just embed a RenderView in a dialog and be done with it. |
| // |
| // Before loading a URL corresponding to this WebUI, the caller should set its |
| // delegate as user data on the WebContents by calling SetDelegate(). This WebUI |
| // will pick it up from there and call it back. This is a bit of a hack to allow |
| // the dialog to pass its delegate to the Web UI without having nasty accessors |
| // on the WebContents. The correct design using RVH directly would avoid all of |
| // this. |
| class WEB_DIALOGS_EXPORT WebDialogUI : public WebDialogUIBase, |
| public content::WebUIController { |
| public: |
| // When created, the delegate should already be set as user data on the |
| // WebContents. |
| explicit WebDialogUI(content::WebUI* web_ui); |
| ~WebDialogUI() override; |
| |
| private: |
| // content::WebUIController: |
| void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebDialogUI); |
| }; |
| |
| // Displays file URL contents inside a modal web dialog while also enabling |
| // Mojo calls to be made from within the dialog. |
| class WEB_DIALOGS_EXPORT MojoWebDialogUI : public WebDialogUIBase, |
| public MojoWebUIController { |
| public: |
| // When created, the delegate should already be set as user data on the |
| // WebContents. |
| explicit MojoWebDialogUI(content::WebUI* web_ui); |
| ~MojoWebDialogUI() override; |
| |
| private: |
| // content::WebUIController: |
| void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override; |
| |
| DISALLOW_COPY_AND_ASSIGN(MojoWebDialogUI); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_WEB_DIALOGS_WEB_DIALOG_UI_H_ |