blob: 9a7a75983609d652430f2accb996182d2a543ad9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI_H_
#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI_H_
#pragma once
#include <string>
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
#include "chrome/browser/ui/webui/chrome_web_ui.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_types.h"
// The base class handler of Javascript messages of options pages.
class OptionsPage2UIHandler : public WebUIMessageHandler,
public content::NotificationObserver {
public:
OptionsPage2UIHandler();
virtual ~OptionsPage2UIHandler();
// Is this handler enabled?
virtual bool IsEnabled();
// Collects localized strings for options page.
virtual void GetLocalizedValues(base::DictionaryValue* localized_strings) = 0;
// Initialize the page. Called once the DOM is available for manipulation.
// This will be called only once.
virtual void Initialize() {}
// Uninitializes the page. Called just before the object is destructed.
virtual void Uninitialize() {}
// WebUIMessageHandler implementation.
virtual void RegisterMessages() OVERRIDE {}
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE {}
protected:
struct OptionsStringResource {
// The name of the resource in templateData.
const char* name;
// The .grd ID for the resource (IDS_*).
int id;
};
// A helper for simplifying the process of registering strings in WebUI.
static void RegisterStrings(base::DictionaryValue* localized_strings,
const OptionsStringResource* resources,
size_t length);
// Registers string resources for a page's header and tab title.
static void RegisterTitle(base::DictionaryValue* localized_strings,
const std::string& variable_name,
int title_id);
content::NotificationRegistrar registrar_;
private:
DISALLOW_COPY_AND_ASSIGN(OptionsPage2UIHandler);
};
// An interface for common operations that a host of OptionsPage2UIHandlers
// should provide.
class OptionsPage2UIHandlerHost {
public:
virtual void InitializeHandlers() = 0;
protected:
virtual ~OptionsPage2UIHandlerHost() {}
};
// The WebUI for chrome:settings-frame.
class Options2UI : public ChromeWebUI,
public OptionsPage2UIHandlerHost {
public:
explicit Options2UI(TabContents* contents);
virtual ~Options2UI();
static RefCountedMemory* GetFaviconResourceBytes();
// WebUI implementation.
virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
virtual void RenderViewReused(RenderViewHost* render_view_host) OVERRIDE;
virtual void DidBecomeActiveForReusedRenderView() OVERRIDE;
// Overridden from OptionsPage2UIHandlerHost:
virtual void InitializeHandlers() OVERRIDE;
private:
// Adds OptionsPageUiHandler to the handlers list if handler is enabled.
void AddOptionsPageUIHandler(base::DictionaryValue* localized_strings,
OptionsPage2UIHandler* handler);
// Sets the WebUI CommandLineString property with arguments passed while
// launching chrome.
void SetCommandLineString(RenderViewHost* render_view_host);
bool initialized_handlers_;
DISALLOW_COPY_AND_ASSIGN(Options2UI);
};
#endif // CHROME_BROWSER_UI_WEBUI_OPTIONS2_OPTIONS_UI_H_
|
