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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 UI_VIEWS_CONTROLS_WEBVIEW_WEB_DIALOG_VIEW_H_ | |
| 6 #define UI_VIEWS_CONTROLS_WEBVIEW_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/controls/webview/webview_export.h" | |
| 15 #include "ui/views/widget/widget_delegate.h" | |
| 16 #include "ui/views/window/client_view.h" | |
| 17 #include "ui/web_dialogs/web_dialog_delegate.h" | |
| 18 #include "ui/web_dialogs/web_dialog_web_contents_delegate.h" | |
| 19 | |
| 20 namespace content { | |
| 21 class BrowserContext; | |
| 22 } | |
| 23 | |
| 24 namespace views { | |
| 25 class WebView; | |
| 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 WEBVIEW_EXPORT 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() const override; | |
| 56 virtual gfx::Size GetMinimumSize() const override; | |
| 57 virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) | |
| 58 override; | |
| 59 virtual void ViewHierarchyChanged( | |
| 60 const ViewHierarchyChangedDetails& details) 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 base::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 base::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 OnDialogCloseFromWebUI( | |
| 90 const std::string& json_retval) override; | |
| 91 virtual void OnCloseContents(content::WebContents* source, | |
| 92 bool* out_close_dialog) override; | |
| 93 virtual bool ShouldShowDialogTitle() const override; | |
| 94 virtual bool HandleContextMenu( | |
| 95 const content::ContextMenuParams& params) override; | |
| 96 | |
| 97 // Overridden from content::WebContentsDelegate: | |
| 98 virtual void MoveContents(content::WebContents* source, | |
| 99 const gfx::Rect& pos) override; | |
| 100 virtual void HandleKeyboardEvent( | |
| 101 content::WebContents* source, | |
| 102 const content::NativeWebKeyboardEvent& event) override; | |
| 103 virtual void CloseContents(content::WebContents* source) override; | |
| 104 virtual content::WebContents* OpenURLFromTab( | |
| 105 content::WebContents* source, | |
| 106 const content::OpenURLParams& params) override; | |
| 107 virtual void AddNewContents(content::WebContents* source, | |
| 108 content::WebContents* new_contents, | |
| 109 WindowOpenDisposition disposition, | |
| 110 const gfx::Rect& initial_pos, | |
| 111 bool user_gesture, | |
| 112 bool* was_blocked) override; | |
| 113 virtual void LoadingStateChanged(content::WebContents* source, | |
| 114 bool to_different_document) override; | |
| 115 virtual void BeforeUnloadFired(content::WebContents* tab, | |
| 116 bool proceed, | |
| 117 bool* proceed_to_fire_unload) override; | |
| 118 | |
| 119 private: | |
| 120 FRIEND_TEST_ALL_PREFIXES(WebDialogBrowserTest, WebContentRendered); | |
| 121 | |
| 122 // Initializes the contents of the dialog. | |
| 123 void InitDialog(); | |
| 124 | |
| 125 // This view is a delegate to the HTML content since it needs to get notified | |
| 126 // about when the dialog is closing. For all other actions (besides dialog | |
| 127 // closing) we delegate to the creator of this view, which we keep track of | |
| 128 // using this variable. | |
| 129 ui::WebDialogDelegate* delegate_; | |
| 130 | |
| 131 views::WebView* web_view_; | |
| 132 | |
| 133 // Whether user is attempting to close the dialog and we are processing | |
| 134 // beforeunload event. | |
| 135 bool is_attempting_close_dialog_; | |
| 136 | |
| 137 // Whether beforeunload event has been fired and we have finished processing | |
| 138 // beforeunload event. | |
| 139 bool before_unload_fired_; | |
| 140 | |
| 141 // Whether the dialog is closed from WebUI in response to a "dialogClose" | |
| 142 // message. | |
| 143 bool closed_via_webui_; | |
| 144 | |
| 145 // A json string returned to WebUI from a "dialogClose" message. | |
| 146 std::string dialog_close_retval_; | |
| 147 | |
| 148 // Whether CloseContents() has been called. | |
| 149 bool close_contents_called_; | |
| 150 | |
| 151 DISALLOW_COPY_AND_ASSIGN(WebDialogView); | |
| 152 }; | |
| 153 | |
| 154 } // namespace views | |
| 155 | |
| 156 #endif // UI_VIEWS_CONTROLS_WEBVIEW_WEB_DIALOG_VIEW_H_ | |
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