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
112
113
114
115
116
117
118
119
|
// Copyright 2013 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 COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_
#define COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_
#include "components/plugins/renderer/webview_plugin.h"
#include "content/public/common/webplugininfo.h"
#include "content/public/renderer/context_menu_client.h"
#include "content/public/renderer/render_process_observer.h"
#include "content/public/renderer/render_view_observer.h"
#include "third_party/WebKit/public/web/WebPluginParams.h"
#include "webkit/renderer/cpp_bound_class.h"
namespace content {
class RenderFrame;
struct WebPluginInfo;
}
namespace plugins {
// Placeholders can be used if a plug-in is missing or not available
// (blocked or disabled).
class PluginPlaceholder : public content::RenderViewObserver,
public webkit_glue::CppBoundClass,
public WebViewPlugin::Delegate {
public:
WebViewPlugin* plugin() { return plugin_; }
void set_blocked_for_prerendering(bool blocked_for_prerendering) {
is_blocked_for_prerendering_ = blocked_for_prerendering;
}
void set_allow_loading(bool allow_loading) { allow_loading_ = allow_loading; }
protected:
// |render_view|, |render_frame| and |frame| are weak pointers. If either one
// is going away, our |plugin_| will be destroyed as well and will notify us.
PluginPlaceholder(content::RenderView* render_view, // TODO(jam): remove me
content::RenderFrame* render_frame,
blink::WebFrame* frame,
const blink::WebPluginParams& params,
const std::string& html_data,
GURL placeholderDataUrl);
virtual ~PluginPlaceholder();
void OnLoadBlockedPlugins(const std::string& identifier);
void OnSetIsPrerendering(bool is_prerendering);
void SetMessage(const base::string16& message);
void SetPluginInfo(const content::WebPluginInfo& plugin_info);
const content::WebPluginInfo& GetPluginInfo() const;
void SetIdentifier(const std::string& identifier);
content::RenderFrame* GetRenderFrame();
blink::WebFrame* GetFrame();
const blink::WebPluginParams& GetPluginParams() const;
bool LoadingAllowed() const { return allow_loading_; }
// Replace this placeholder with a different plugin (which could be
// a placeholder again).
void ReplacePlugin(blink::WebPlugin* new_plugin);
// Hide this placeholder.
void HidePlugin();
// Load the blocked plugin.
void LoadPlugin();
// WebViewPlugin::Delegate method:
virtual void BindWebFrame(blink::WebFrame* frame) OVERRIDE;
private:
// WebViewPlugin::Delegate methods:
virtual void WillDestroyPlugin() OVERRIDE;
virtual void ShowContextMenu(const blink::WebMouseEvent&) OVERRIDE;
// Javascript callbacks:
// All ignore arguments (which are, however, required by caller) and return
// nothing.
// Load the blocked plugin by calling LoadPlugin().
void LoadCallback(const webkit_glue::CppArgumentList& args,
webkit_glue::CppVariant* result);
// Hide the blocked plugin by calling HidePlugin().
void HideCallback(const webkit_glue::CppArgumentList& args,
webkit_glue::CppVariant* result);
void DidFinishLoadingCallback(const webkit_glue::CppArgumentList& args,
webkit_glue::CppVariant* result);
void UpdateMessage();
content::RenderFrame* render_frame_;
blink::WebFrame* frame_;
blink::WebPluginParams plugin_params_;
WebViewPlugin* plugin_;
content::WebPluginInfo plugin_info_;
base::string16 message_;
// True iff the plugin was blocked because the page was being prerendered.
// Plugin will automatically be loaded when the page is displayed.
bool is_blocked_for_prerendering_;
bool allow_loading_;
bool hidden_;
bool finished_loading_;
std::string identifier_;
DISALLOW_COPY_AND_ASSIGN(PluginPlaceholder);
};
} // namespace plugins
#endif // COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_
|
