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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_UI_WEBUI_CONSTRAINED_HTML_UI_H_ | 5 #ifndef CHROME_BROWSER_UI_WEBUI_CONSTRAINED_HTML_UI_H_ |
| 6 #define CHROME_BROWSER_UI_WEBUI_CONSTRAINED_HTML_UI_H_ | 6 #define CHROME_BROWSER_UI_WEBUI_CONSTRAINED_HTML_UI_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "chrome/browser/ui/webui/chrome_web_ui.h" | 9 #include "chrome/browser/ui/webui/chrome_web_ui.h" |
| 10 | 10 |
| 11 class ConstrainedWindow; | 11 class ConstrainedWindow; |
| 12 class HtmlDialogUIDelegate; | 12 class HtmlDialogUIDelegate; |
| 13 class Profile; | 13 class Profile; |
| 14 class RenderViewHost; | 14 class RenderViewHost; |
| 15 class TabContents; | |
| 16 class TabContentsWrapper; | 15 class TabContentsWrapper; |
| 17 | 16 |
| 18 namespace base { | 17 namespace base { |
| 19 template<class T> class PropertyAccessor; | 18 template<class T> class PropertyAccessor; |
| 20 } | 19 } |
| 21 | 20 |
| 22 class ConstrainedHtmlUIDelegate { | 21 class ConstrainedHtmlUIDelegate { |
| 23 public: | 22 public: |
| 24 virtual HtmlDialogUIDelegate* GetHtmlDialogUIDelegate() = 0; | 23 virtual HtmlDialogUIDelegate* GetHtmlDialogUIDelegate() = 0; |
| 25 | 24 |
| 26 // Called when the dialog is being closed in response to a "DialogClose" | 25 // Called when the dialog is being closed in response to a "DialogClose" |
| 27 // message from WebUI. | 26 // message from WebUI. |
| 28 virtual void OnDialogCloseFromWebUI() = 0; | 27 virtual void OnDialogCloseFromWebUI() = 0; |
| 29 | 28 |
| 30 // If called, on dialog closure, the dialog will release its TabContents | 29 // If called, on dialog closure, the dialog will release its WebContents |
| 31 // instead of destroying it. After which point, the caller will own the | 30 // instead of destroying it. After which point, the caller will own the |
| 32 // released TabContents. | 31 // released WebContents. |
| 33 virtual void ReleaseTabContentsOnDialogClose() = 0; | 32 virtual void ReleaseTabContentsOnDialogClose() = 0; |
| 34 | 33 |
| 35 // Returns the ConstrainedWindow. | 34 // Returns the ConstrainedWindow. |
| 36 virtual ConstrainedWindow* window() = 0; | 35 virtual ConstrainedWindow* window() = 0; |
| 37 | 36 |
| 38 // Returns the TabContentsWrapper owned by the constrained window. | 37 // Returns the TabContentsWrapper owned by the constrained window. |
| 39 virtual TabContentsWrapper* tab() = 0; | 38 virtual TabContentsWrapper* tab() = 0; |
| 40 | 39 |
| 41 protected: | 40 protected: |
| 42 virtual ~ConstrainedHtmlUIDelegate() {} | 41 virtual ~ConstrainedHtmlUIDelegate() {} |
| 43 }; | 42 }; |
| 44 | 43 |
| 45 // ConstrainedHtmlUI is a facility to show HTML WebUI content | 44 // ConstrainedHtmlUI is a facility to show HTML WebUI content |
| 46 // in a tab-modal constrained dialog. It is implemented as an adapter | 45 // in a tab-modal constrained dialog. It is implemented as an adapter |
| 47 // between an HtmlDialogUI object and a ConstrainedWindow object. | 46 // between an HtmlDialogUI object and a ConstrainedWindow object. |
| 48 // | 47 // |
| 49 // Since ConstrainedWindow requires platform-specific delegate | 48 // Since ConstrainedWindow requires platform-specific delegate |
| 50 // implementations, this class is just a factory stub. | 49 // implementations, this class is just a factory stub. |
| 51 class ConstrainedHtmlUI : public ChromeWebUI { | 50 class ConstrainedHtmlUI : public ChromeWebUI { |
| 52 public: | 51 public: |
| 53 explicit ConstrainedHtmlUI(TabContents* contents); | 52 explicit ConstrainedHtmlUI(content::WebContents* contents); |
| 54 virtual ~ConstrainedHtmlUI(); | 53 virtual ~ConstrainedHtmlUI(); |
| 55 | 54 |
| 56 virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE; | 55 virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE; |
| 57 | 56 |
| 58 // Create a constrained HTML dialog. The actual object that gets created | 57 // Create a constrained HTML dialog. The actual object that gets created |
| 59 // is a ConstrainedHtmlUIDelegate, which later triggers construction of a | 58 // is a ConstrainedHtmlUIDelegate, which later triggers construction of a |
| 60 // ConstrainedHtmlUI object. | 59 // ConstrainedHtmlUI object. |
| 61 static ConstrainedHtmlUIDelegate* CreateConstrainedHtmlDialog( | 60 static ConstrainedHtmlUIDelegate* CreateConstrainedHtmlDialog( |
| 62 Profile* profile, | 61 Profile* profile, |
| 63 HtmlDialogUIDelegate* delegate, | 62 HtmlDialogUIDelegate* delegate, |
| 64 TabContentsWrapper* overshadowed); | 63 TabContentsWrapper* overshadowed); |
| 65 | 64 |
| 66 // Returns a property accessor that can be used to set the | 65 // Returns a property accessor that can be used to set the |
| 67 // ConstrainedHtmlUIDelegate property on a TabContents. | 66 // ConstrainedHtmlUIDelegate property on a WebContents. |
| 68 static base::PropertyAccessor<ConstrainedHtmlUIDelegate*>& | 67 static base::PropertyAccessor<ConstrainedHtmlUIDelegate*>& |
| 69 GetPropertyAccessor(); | 68 GetPropertyAccessor(); |
| 70 | 69 |
| 71 protected: | 70 protected: |
| 72 // Returns the TabContents' PropertyBag's ConstrainedHtmlUIDelegate. | 71 // Returns the WebContents' PropertyBag's ConstrainedHtmlUIDelegate. |
| 73 // Returns NULL if that property is not set. | 72 // Returns NULL if that property is not set. |
| 74 ConstrainedHtmlUIDelegate* GetConstrainedDelegate(); | 73 ConstrainedHtmlUIDelegate* GetConstrainedDelegate(); |
| 75 | 74 |
| 76 private: | 75 private: |
| 77 // JS Message Handler | 76 // JS Message Handler |
| 78 void OnDialogCloseMessage(const base::ListValue* args); | 77 void OnDialogCloseMessage(const base::ListValue* args); |
| 79 | 78 |
| 80 DISALLOW_COPY_AND_ASSIGN(ConstrainedHtmlUI); | 79 DISALLOW_COPY_AND_ASSIGN(ConstrainedHtmlUI); |
| 81 }; | 80 }; |
| 82 | 81 |
| 83 #endif // CHROME_BROWSER_UI_WEBUI_CONSTRAINED_HTML_UI_H_ | 82 #endif // CHROME_BROWSER_UI_WEBUI_CONSTRAINED_HTML_UI_H_ |
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