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

Issue 16488: Add a new resizer corner overlay. (Closed) Base URL: http://src.chromium.org/svn/trunk/src/
Patch Set: '' Created 11 years, 10 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2008 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_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_ 5 #ifndef CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
6 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_ 6 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "base/gfx/rect.h"
9 #include "chrome/browser/tab_contents/page_navigator.h" 10 #include "chrome/browser/tab_contents/page_navigator.h"
10 #include "chrome/common/navigation_types.h" 11 #include "chrome/common/navigation_types.h"
11 12
12 namespace gfx {
13 class Point;
14 class Rect;
15 }
16
17 class TabContents; 13 class TabContents;
18 class HtmlDialogContentsDelegate; 14 class HtmlDialogContentsDelegate;
19 15
20 // Objects implement this interface to get notified about changes in the 16 // Objects implement this interface to get notified about changes in the
21 // TabContents and to provide necessary functionality. 17 // TabContents and to provide necessary functionality.
22 class TabContentsDelegate : public PageNavigator { 18 class TabContentsDelegate : public PageNavigator {
23 public: 19 public:
24 // Opens a new URL inside the passed in TabContents, if source is 0 open 20 // Opens a new URL inside the passed in TabContents, if source is 0 open
25 // in the current front-most tab. 21 // in the current front-most tab.
26 virtual void OpenURLFromTab(TabContents* source, 22 virtual void OpenURLFromTab(TabContents* source,
27 const GURL& url, const GURL& referrer, 23 const GURL& url, const GURL& referrer,
28 WindowOpenDisposition disposition, 24 WindowOpenDisposition disposition,
29 PageTransition::Type transition) = 0; 25 PageTransition::Type transition) = 0;
30 26
31 virtual void OpenURL(const GURL& url, const GURL& referrer, 27 virtual void OpenURL(const GURL& url, const GURL& referrer,
32 WindowOpenDisposition disposition, 28 WindowOpenDisposition disposition,
33 PageTransition::Type transition) 29 PageTransition::Type transition) {
34 {
35 OpenURLFromTab(NULL, url, referrer, disposition, transition); 30 OpenURLFromTab(NULL, url, referrer, disposition, transition);
36 } 31 }
37 32
38 // Called to inform the delegate that the tab content's navigation state 33 // Called to inform the delegate that the tab content's navigation state
39 // changed. The |changed_flags| indicates the parts of the navigation state 34 // changed. The |changed_flags| indicates the parts of the navigation state
40 // that have been updated, and is any combination of the 35 // that have been updated, and is any combination of the
41 // |TabContents::InvalidateTypes| bits. 36 // |TabContents::InvalidateTypes| bits.
42 virtual void NavigationStateChanged(const TabContents* source, 37 virtual void NavigationStateChanged(const TabContents* source,
43 unsigned changed_flags) = 0; 38 unsigned changed_flags) = 0;
44 39
(...skipping 54 matching lines...) Expand 10 before | Expand all | Expand 10 after
99 virtual void ContentsZoomChange(bool zoom_in) { } 94 virtual void ContentsZoomChange(bool zoom_in) { }
100 95
101 // Check whether this contents is inside a window dedicated to running a web 96 // Check whether this contents is inside a window dedicated to running a web
102 // application. 97 // application.
103 virtual bool IsApplication() { return false; } 98 virtual bool IsApplication() { return false; }
104 99
105 // Detach the given tab and convert it to a "webapp" view. The tab must be 100 // Detach the given tab and convert it to a "webapp" view. The tab must be
106 // a WebContents with a valid WebApp set. 101 // a WebContents with a valid WebApp set.
107 virtual void ConvertContentsToApplication(TabContents* source) { } 102 virtual void ConvertContentsToApplication(TabContents* source) { }
108 103
109 // Informs the TabContentsDelegate that some of our state has changed 104 // Informs the TabContentsDelegate that some of our state has changed
110 // for this tab. 105 // for this tab.
111 virtual void ContentsStateChanged(TabContents* source) {} 106 virtual void ContentsStateChanged(TabContents* source) {}
112 107
113 // Return whether this tab contents should have a URL bar. Only web contents 108 // Return whether this tab contents should have a URL bar. Only web contents
114 // opened with a minimal chrome and their popups can be displayed without a 109 // opened with a minimal chrome and their popups can be displayed without a
115 // URL bar. 110 // URL bar.
116 virtual bool ShouldDisplayURLField() { return true; } 111 virtual bool ShouldDisplayURLField() { return true; }
117 112
118 // Whether this tab can be blurred through a javascript obj.blur() 113 // Whether this tab can be blurred through a javascript obj.blur()
119 // call. ConstrainedWindows shouldn't be able to be blurred. 114 // call. ConstrainedWindows shouldn't be able to be blurred.
120 virtual bool CanBlur() const { return true; } 115 virtual bool CanBlur() const { return true; }
121 116
117 // Return the rect where to display the resize corner, if any, otherwise
118 // an empty rect.
119 virtual gfx::Rect GetRootWindowResizerRect() const { return gfx::Rect(); }
120
122 // Show a dialog with HTML content. |delegate| contains a pointer to the 121 // Show a dialog with HTML content. |delegate| contains a pointer to the
123 // delegate who knows how to display the dialog (which file URL and JSON 122 // delegate who knows how to display the dialog (which file URL and JSON
124 // string input to use during initialization). |parent_window| is the window 123 // string input to use during initialization). |parent_window| is the window
125 // that should be parent of the dialog, or NULL for the default. 124 // that should be parent of the dialog, or NULL for the default.
126 virtual void ShowHtmlDialog(HtmlDialogContentsDelegate* delegate, 125 virtual void ShowHtmlDialog(HtmlDialogContentsDelegate* delegate,
127 void* parent_window) { } 126 void* parent_window) { }
128 127
129 // Tells us that we've finished firing this tab's beforeunload event. 128 // Tells us that we've finished firing this tab's beforeunload event.
130 // The proceed bool tells us whether the user chose to proceed closing the 129 // The proceed bool tells us whether the user chose to proceed closing the
131 // tab. Returns true if the tab can continue on firing it's unload event. 130 // tab. Returns true if the tab can continue on firing it's unload event.
132 // If we're closing the entire browser, then we'll want to delay firing 131 // If we're closing the entire browser, then we'll want to delay firing
133 // unload events until all the beforeunload events have fired. 132 // unload events until all the beforeunload events have fired.
134 virtual void BeforeUnloadFired(TabContents* tab, 133 virtual void BeforeUnloadFired(TabContents* tab,
135 bool proceed, 134 bool proceed,
136 bool* proceed_to_fire_unload) { 135 bool* proceed_to_fire_unload) {
137 *proceed_to_fire_unload = true; 136 *proceed_to_fire_unload = true;
138 } 137 }
139 138
140 // Send IPC to external host. Default implementation is do nothing. 139 // Send IPC to external host. Default implementation is do nothing.
141 virtual void ForwardMessageToExternalHost(const std::string& receiver, 140 virtual void ForwardMessageToExternalHost(const std::string& receiver,
142 const std::string& message) {}; 141 const std::string& message) {}
143 142
144 // If the delegate is hosting tabs externally. 143 // If the delegate is hosting tabs externally.
145 virtual bool IsExternalTabContainer() const { return false; } 144 virtual bool IsExternalTabContainer() const { return false; }
146 145
147 // Sets focus to the location bar or some other place that is appropriate. 146 // Sets focus to the location bar or some other place that is appropriate.
148 // This is called when the tab wants to encourage user input, like for the 147 // This is called when the tab wants to encourage user input, like for the
149 // new tab page. 148 // new tab page.
150 virtual void SetFocusToLocationBar() {} 149 virtual void SetFocusToLocationBar() {}
151 }; 150 };
152 151
153 #endif // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_ 152 #endif // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
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