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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 CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_HELPER_H_ | |
| 6 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_HELPER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <map> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "content/common/content_export.h" | |
| 14 #include "content/public/browser/notification_observer.h" | |
| 15 #include "content/public/browser/notification_registrar.h" | |
| 16 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h" | |
| 17 #include "webkit/glue/window_open_disposition.h" | |
| 18 | |
| 19 class WebContentsImpl; | |
| 20 struct ViewHostMsg_CreateWindow_Params; | |
| 21 | |
| 22 namespace content { | |
| 23 class RenderWidgetHostView; | |
| 24 class WebContents; | |
| 25 } | |
| 26 | |
| 27 namespace gfx { | |
| 28 class Rect; | |
| 29 } | |
| 30 | |
| 31 // TODO(avi): Once all the TabContentsViews implementations are in content (I'm | |
| 32 // looking at you, TabContentsViewViews...) then change the parameters to take | |
| 33 // WebContentsImpl rather than WebContents. | |
| 34 | |
| 35 // Provides helper methods that provide common implementations of some | |
| 36 // WebContentsView methods. | |
| 37 class CONTENT_EXPORT TabContentsViewHelper | |
| 38 : public content::NotificationObserver { | |
| 39 public: | |
| 40 TabContentsViewHelper(); | |
| 41 virtual ~TabContentsViewHelper(); | |
| 42 | |
| 43 // Creates a new window; call |ShowCreatedWindow| below to show it. | |
| 44 WebContentsImpl* CreateNewWindow( | |
| 45 content::WebContents* web_contents, | |
| 46 int route_id, | |
| 47 const ViewHostMsg_CreateWindow_Params& params); | |
| 48 | |
| 49 // Creates a new popup or fullscreen widget; call |ShowCreatedWidget| below to | |
| 50 // show it. If |is_fullscreen| is true it is a fullscreen widget, if not then | |
| 51 // a pop-up. |popup_type| is only meaningful for a pop-up. | |
| 52 content::RenderWidgetHostView* CreateNewWidget( | |
| 53 content::WebContents* web_contents, | |
| 54 int route_id, | |
| 55 bool is_fullscreen, | |
| 56 WebKit::WebPopupType popup_type); | |
| 57 | |
| 58 // Shows a window created with |CreateNewWindow| above. | |
| 59 WebContentsImpl* ShowCreatedWindow(content::WebContents* web_contents, | |
| 60 int route_id, | |
| 61 WindowOpenDisposition disposition, | |
| 62 const gfx::Rect& initial_pos, | |
| 63 bool user_gesture); | |
| 64 | |
| 65 // Shows a widget created with |CreateNewWidget| above. |initial_pos| is only | |
| 66 // meaningful for non-fullscreen widgets. | |
| 67 content::RenderWidgetHostView* ShowCreatedWidget( | |
| 68 content::WebContents* web_contents, | |
| 69 int route_id, | |
| 70 bool is_fullscreen, | |
| 71 const gfx::Rect& initial_pos); | |
| 72 | |
| 73 private: | |
| 74 // content::NotificationObserver implementation | |
| 75 virtual void Observe(int type, | |
| 76 const content::NotificationSource& source, | |
| 77 const content::NotificationDetails& details) OVERRIDE; | |
| 78 | |
| 79 // Finds the new RenderWidgetHost and returns it. Note that this can only be | |
| 80 // called once as this call also removes it from the internal map. | |
| 81 content::RenderWidgetHostView* GetCreatedWidget(int route_id); | |
| 82 | |
| 83 // Finds the new WebContentsImpl by route_id, initializes it for | |
| 84 // renderer-initiated creation, and returns it. Note that this can only be | |
| 85 // called once as this call also removes it from the internal map. | |
| 86 WebContentsImpl* GetCreatedWindow(int route_id); | |
| 87 | |
| 88 // Tracks created WebContentsImpl objects that have not been shown yet. They | |
| 89 // are identified by the route ID passed to CreateNewWindow. | |
| 90 typedef std::map<int, WebContentsImpl*> PendingContents; | |
| 91 PendingContents pending_contents_; | |
| 92 | |
| 93 // These maps hold on to the widgets that we created on behalf of the renderer | |
| 94 // that haven't shown yet. | |
| 95 typedef std::map<int, content::RenderWidgetHostView*> PendingWidgetViews; | |
| 96 PendingWidgetViews pending_widget_views_; | |
| 97 | |
| 98 // Registers and unregisters us for notifications. | |
| 99 content::NotificationRegistrar registrar_; | |
| 100 | |
| 101 DISALLOW_COPY_AND_ASSIGN(TabContentsViewHelper); | |
| 102 }; | |
| 103 | |
| 104 #endif // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_HELPER_H_ | |
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Chromium Code Reviews
Issue 10031044:
TabContents -> WebContentsImpl, part 5. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src