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Side by Side Diff: chrome/browser/tab_contents/render_view_host_delegate_helper.h

Issue 9114047: Move RenderViewHostDelegateViewHelper to content. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: CONTENT_EXPORT Created 8 years, 11 months ago
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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_TAB_CONTENTS_RENDER_VIEW_HOST_DELEGATE_HELPER_H_
6 #define CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_DELEGATE_HELPER_H_
7 #pragma once
8
9 #include <map>
10
11 #include "base/basictypes.h"
12 #include "base/compiler_specific.h"
13 #include "content/public/browser/notification_observer.h"
14 #include "content/public/browser/notification_registrar.h"
15 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h"
16 #include "webkit/glue/window_open_disposition.h"
17
18 class RenderWidgetHostView;
19 class TabContents;
20 struct ViewHostMsg_CreateWindow_Params;
21
22 namespace content {
23 class WebContents;
24 }
25
26 namespace gfx {
27 class Rect;
28 }
29
30 // TODO(avi): Once all the TabContentsViews implementations are in content (I'm
31 // looking at you, TabContentsViewViews...) then change the parameters to take
32 // WebContentsImpl rather than WebContents.
33
34 // Provides helper methods that provide common implementations of some
35 // TabContentsView methods.
36 class RenderViewHostDelegateViewHelper : public content::NotificationObserver {
37 public:
38 RenderViewHostDelegateViewHelper();
39 virtual ~RenderViewHostDelegateViewHelper();
40
41 // Creates a new window; call |ShowCreatedWindow| below to show it.
42 TabContents* CreateNewWindow(content::WebContents* web_contents,
43 int route_id,
44 const ViewHostMsg_CreateWindow_Params& params);
45
46 // Creates a new popup or fullscreen widget; call |ShowCreatedWidget| below to
47 // show it. If |is_fullscreen| is true it is a fullscreen widget, if not then
48 // a pop-up. |popup_type| is only meaningful for a pop-up.
49 RenderWidgetHostView* CreateNewWidget(content::WebContents* web_contents,
50 int route_id,
51 bool is_fullscreen,
52 WebKit::WebPopupType popup_type);
53
54 // Shows a window created with |CreateNewWindow| above.
55 TabContents* ShowCreatedWindow(content::WebContents* web_contents,
56 int route_id,
57 WindowOpenDisposition disposition,
58 const gfx::Rect& initial_pos,
59 bool user_gesture);
60
61 // Shows a widget created with |CreateNewWidget| above. |initial_pos| is only
62 // meaningful for non-fullscreen widgets.
63 RenderWidgetHostView* ShowCreatedWidget(content::WebContents* web_contents,
64 int route_id,
65 bool is_fullscreen,
66 const gfx::Rect& initial_pos);
67
68 private:
69 // content::NotificationObserver implementation
70 virtual void Observe(int type,
71 const content::NotificationSource& source,
72 const content::NotificationDetails& details) OVERRIDE;
73
74 // Finds the new RenderWidgetHost and returns it. Note that this can only be
75 // called once as this call also removes it from the internal map.
76 RenderWidgetHostView* GetCreatedWidget(int route_id);
77
78 // Finds the new TabContents by route_id, initializes it for
79 // renderer-initiated creation, and returns it. Note that this can only be
80 // called once as this call also removes it from the internal map.
81 TabContents* GetCreatedWindow(int route_id);
82
83 // Tracks created RenderViewHost objects that have not been shown yet.
84 // They are identified by the route ID passed to CreateNewWindow.
85 typedef std::map<int, TabContents*> PendingContents;
86 PendingContents pending_contents_;
87
88 // These maps hold on to the widgets that we created on behalf of the
89 // renderer that haven't shown yet.
90 typedef std::map<int, RenderWidgetHostView*> PendingWidgetViews;
91 PendingWidgetViews pending_widget_views_;
92
93 // Registers and unregisters us for notifications.
94 content::NotificationRegistrar registrar_;
95
96 DISALLOW_COPY_AND_ASSIGN(RenderViewHostDelegateViewHelper);
97 };
98
99 #endif // CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_DELEGATE_HELPER_H_
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