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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_UI_VIEWS_WEB_DIALOG_VIEW_H_ | |
6 #define CHROME_BROWSER_UI_VIEWS_WEB_DIALOG_VIEW_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/gtest_prod_util.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "ui/gfx/size.h" | |
14 #include "ui/views/widget/widget_delegate.h" | |
15 #include "ui/views/window/client_view.h" | |
16 #include "ui/web_dialogs/web_dialog_delegate.h" | |
17 #include "ui/web_dialogs/web_dialog_web_contents_delegate.h" | |
18 | |
19 namespace content { | |
20 class BrowserContext; | |
21 } | |
22 | |
23 namespace views { | |
24 class WebView; | |
25 } | |
26 | |
27 //////////////////////////////////////////////////////////////////////////////// | |
28 // | |
29 // WebDialogView is a view used to display an web dialog to the user. The | |
30 // content of the dialogs is determined by the delegate | |
31 // (ui::WebDialogDelegate), but is basically a file URL along with a | |
32 // JSON input string. The HTML is supposed to show a UI to the user and is | |
33 // expected to send back a JSON file as a return value. | |
34 // | |
35 //////////////////////////////////////////////////////////////////////////////// | |
36 // | |
37 // TODO(akalin): Make WebDialogView contain an WebDialogWebContentsDelegate | |
38 // instead of inheriting from it to avoid violating the "no multiple | |
39 // inheritance" rule. | |
40 class WebDialogView : public views::ClientView, | |
41 public ui::WebDialogWebContentsDelegate, | |
42 public ui::WebDialogDelegate, | |
43 public views::WidgetDelegate { | |
44 public: | |
45 // |handler| must not be NULL and this class takes the ownership. | |
46 WebDialogView(content::BrowserContext* context, | |
47 ui::WebDialogDelegate* delegate, | |
48 WebContentsHandler* handler); | |
49 virtual ~WebDialogView(); | |
50 | |
51 // For testing. | |
52 content::WebContents* web_contents(); | |
53 | |
54 // Overridden from views::ClientView: | |
55 virtual gfx::Size GetPreferredSize() OVERRIDE; | |
56 virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) | |
57 OVERRIDE; | |
58 virtual void ViewHierarchyChanged(bool is_add, | |
59 views::View* parent, | |
60 views::View* child) OVERRIDE; | |
61 virtual bool CanClose() OVERRIDE; | |
62 | |
63 // Overridden from views::WidgetDelegate: | |
64 virtual bool CanResize() const OVERRIDE; | |
65 virtual ui::ModalType GetModalType() const OVERRIDE; | |
66 virtual string16 GetWindowTitle() const OVERRIDE; | |
67 virtual std::string GetWindowName() const OVERRIDE; | |
68 virtual void WindowClosing() OVERRIDE; | |
69 virtual views::View* GetContentsView() OVERRIDE; | |
70 virtual ClientView* CreateClientView(views::Widget* widget) OVERRIDE; | |
71 virtual views::View* GetInitiallyFocusedView() OVERRIDE; | |
72 virtual bool ShouldShowWindowTitle() const OVERRIDE; | |
73 virtual views::Widget* GetWidget() OVERRIDE; | |
74 virtual const views::Widget* GetWidget() const OVERRIDE; | |
75 | |
76 // Overridden from ui::WebDialogDelegate: | |
77 virtual ui::ModalType GetDialogModalType() const OVERRIDE; | |
78 virtual string16 GetDialogTitle() const OVERRIDE; | |
79 virtual GURL GetDialogContentURL() const OVERRIDE; | |
80 virtual void GetWebUIMessageHandlers( | |
81 std::vector<content::WebUIMessageHandler*>* handlers) const OVERRIDE; | |
82 virtual void GetDialogSize(gfx::Size* size) const OVERRIDE; | |
83 virtual void GetMinimumDialogSize(gfx::Size* size) const OVERRIDE; | |
84 virtual std::string GetDialogArgs() const OVERRIDE; | |
85 virtual void OnDialogShown( | |
86 content::WebUI* webui, | |
87 content::RenderViewHost* render_view_host) OVERRIDE; | |
88 virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE; | |
89 virtual void OnCloseContents(content::WebContents* source, | |
90 bool* out_close_dialog) OVERRIDE; | |
91 virtual bool ShouldShowDialogTitle() const OVERRIDE; | |
92 virtual bool HandleContextMenu( | |
93 const content::ContextMenuParams& params) OVERRIDE; | |
94 | |
95 // Overridden from content::WebContentsDelegate: | |
96 virtual void MoveContents(content::WebContents* source, | |
97 const gfx::Rect& pos) OVERRIDE; | |
98 virtual void HandleKeyboardEvent( | |
99 const content::NativeWebKeyboardEvent& event) OVERRIDE; | |
100 virtual void CloseContents(content::WebContents* source) OVERRIDE; | |
101 virtual content::WebContents* OpenURLFromTab( | |
102 content::WebContents* source, | |
103 const content::OpenURLParams& params) OVERRIDE; | |
104 virtual void AddNewContents(content::WebContents* source, | |
105 content::WebContents* new_contents, | |
106 WindowOpenDisposition disposition, | |
107 const gfx::Rect& initial_pos, | |
108 bool user_gesture) OVERRIDE; | |
109 virtual void LoadingStateChanged(content::WebContents* source) OVERRIDE; | |
110 | |
111 private: | |
112 FRIEND_TEST_ALL_PREFIXES(WebDialogBrowserTest, WebContentRendered); | |
113 | |
114 // Initializes the contents of the dialog. | |
115 void InitDialog(); | |
116 | |
117 // Whether the view is initialized. That is, dialog accelerators is registered | |
118 // and FreezeUpdates property is set to prevent WM from showing the window | |
119 // until the property is removed. | |
120 bool initialized_; | |
121 | |
122 // This view is a delegate to the HTML content since it needs to get notified | |
123 // about when the dialog is closing. For all other actions (besides dialog | |
124 // closing) we delegate to the creator of this view, which we keep track of | |
125 // using this variable. | |
126 ui::WebDialogDelegate* delegate_; | |
127 | |
128 views::WebView* web_view_; | |
129 | |
130 DISALLOW_COPY_AND_ASSIGN(WebDialogView); | |
131 }; | |
132 | |
133 #endif // CHROME_BROWSER_UI_VIEWS_WEB_DIALOG_VIEW_H_ | |
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