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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
// Copyright 2015 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.
#include "chrome/browser/ui/ash/cast_config_delegate_chromeos.h"
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/extensions/api/tab_capture/tab_capture_api.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_view_host.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/process_manager.h"
#include "extensions/common/extension.h"
namespace chromeos {
namespace {
using JavaScriptResultCallback =
content::RenderFrameHost::JavaScriptResultCallback;
// Returns the cast extension if it exists.
const extensions::Extension* FindCastExtension() {
// TODO(jdufault): Figure out how to correctly handle multiprofile mode.
// See crbug.com/488751
Profile* profile = ProfileManager::GetActiveUserProfile();
const extensions::ExtensionRegistry* extension_registry =
extensions::ExtensionRegistry::Get(profile);
const extensions::ExtensionSet& enabled_extensions =
extension_registry->enabled_extensions();
for (size_t i = 0; i < arraysize(extensions::kChromecastExtensionIds); ++i) {
const std::string extension_id(extensions::kChromecastExtensionIds[i]);
if (enabled_extensions.Contains(extension_id)) {
return extension_registry->GetExtensionById(
extension_id, extensions::ExtensionRegistry::ENABLED);
}
}
return nullptr;
}
// Utility method that returns the currently active RenderViewHost.
content::RenderViewHost* GetRenderViewHost() {
const extensions::Extension* extension = FindCastExtension();
if (!extension)
return nullptr;
// TODO(jdufault): Figure out how to correctly handle multiprofile mode.
// See crbug.com/488751
Profile* profile = ProfileManager::GetActiveUserProfile();
if (!profile)
return nullptr;
extensions::ProcessManager* pm = extensions::ProcessManager::Get(profile);
return pm->GetBackgroundHostForExtension(extension->id())->render_view_host();
}
// Executes JavaScript in the context of the cast extension's background page.
void ExecuteJavaScript(const std::string& javascript) {
auto rvh = GetRenderViewHost();
if (!rvh)
return;
rvh->GetMainFrame()->ExecuteJavaScript(base::UTF8ToUTF16(javascript));
}
// Executes JavaScript in the context of the cast extension's background page.
// Invokes |callback| with the return value of the invoked javascript.
void ExecuteJavaScriptWithCallback(const std::string& javascript,
const JavaScriptResultCallback& callback) {
auto rvh = GetRenderViewHost();
if (!rvh)
return;
rvh->GetMainFrame()->ExecuteJavaScript(base::UTF8ToUTF16(javascript),
callback);
}
// Handler for GetReceiversAndActivities.
void GetReceiversAndActivitiesCallback(
const ash::CastConfigDelegate::ReceiversAndActivitesCallback& callback,
const base::Value* value) {
ash::CastConfigDelegate::ReceiversAndActivites receiver_activites;
const base::ListValue* ra_list = nullptr;
if (value->GetAsList(&ra_list)) {
for (auto i = ra_list->begin(); i != ra_list->end(); ++i) {
const base::DictionaryValue* ra_dict = nullptr;
if ((*i)->GetAsDictionary(&ra_dict)) {
const base::DictionaryValue* receiver_dict(nullptr),
*activity_dict(nullptr);
ash::CastConfigDelegate::ReceiverAndActivity receiver_activity;
if (ra_dict->GetDictionary("receiver", &receiver_dict)) {
receiver_dict->GetString("name", &receiver_activity.receiver.name);
receiver_dict->GetString("id", &receiver_activity.receiver.id);
}
if (ra_dict->GetDictionary("activity", &activity_dict) &&
!activity_dict->empty()) {
activity_dict->GetString("id", &receiver_activity.activity.id);
activity_dict->GetString("title", &receiver_activity.activity.title);
activity_dict->GetString("activityType",
&receiver_activity.activity.activity_type);
activity_dict->GetBoolean("allowStop",
&receiver_activity.activity.allow_stop);
activity_dict->GetInteger("tabId",
&receiver_activity.activity.tab_id);
}
receiver_activites[receiver_activity.receiver.id] = receiver_activity;
}
}
}
callback.Run(receiver_activites);
}
} // namespace
CastConfigDelegateChromeos::CastConfigDelegateChromeos() {
}
CastConfigDelegateChromeos::~CastConfigDelegateChromeos() {
}
bool CastConfigDelegateChromeos::HasCastExtension() const {
return FindCastExtension() != nullptr;
}
void CastConfigDelegateChromeos::GetReceiversAndActivities(
const ReceiversAndActivitesCallback& callback) {
ExecuteJavaScriptWithCallback(
"backgroundSetup.getMirrorCapableReceiversAndActivities();",
base::Bind(&GetReceiversAndActivitiesCallback, callback));
}
void CastConfigDelegateChromeos::CastToReceiver(
const std::string& receiver_id) {
ExecuteJavaScript("backgroundSetup.launchDesktopMirroring('" + receiver_id +
"');");
}
void CastConfigDelegateChromeos::StopCasting() {
ExecuteJavaScript("backgroundSetup.stopCastMirroring('user-stop');");
// TODO(jdufault): Remove this after stopCastMirroring is properly exported.
// The current beta/release versions of the cast extension do not export
// stopCastMirroring, so we will also try to call the minified version.
// See crbug.com/489929.
ExecuteJavaScript("backgroundSetup.Qu('user-stop');");
}
void CastConfigDelegateChromeos::LaunchCastOptions() {
chrome::NavigateParams params(
ProfileManager::GetActiveUserProfile(),
FindCastExtension()->GetResourceURL("options.html"),
ui::PAGE_TRANSITION_LINK);
params.disposition = NEW_FOREGROUND_TAB;
params.window_action = chrome::NavigateParams::SHOW_WINDOW;
chrome::Navigate(¶ms);
}
} // namespace chromeos
|
