1// Copyright 2014 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#include "extensions/browser/app_window/app_window_registry.h"
6
7#include <string>
8#include <vector>
9
10#include "components/keyed_service/content/browser_context_dependency_manager.h"
11#include "content/public/browser/browser_context.h"
12#include "content/public/browser/devtools_agent_host.h"
13#include "content/public/browser/render_process_host.h"
14#include "content/public/browser/render_view_host.h"
15#include "content/public/browser/site_instance.h"
16#include "content/public/browser/web_contents.h"
17#include "extensions/browser/app_window/app_window.h"
18#include "extensions/browser/app_window/native_app_window.h"
19#include "extensions/browser/extensions_browser_client.h"
20#include "extensions/common/extension.h"
21
22namespace extensions {
23
24namespace {
25
26// Create a key that identifies a AppWindow in a RenderViewHost across App
27// reloads. If the window was given an id in CreateParams, the key is the
28// extension id, a colon separator, and the AppWindow's |id|. If there is no
29// |id|, the chrome-extension://extension-id/page.html URL will be used. If the
30// RenderViewHost is not for a AppWindow, return an empty string.
31std::string GetWindowKeyForRenderViewHost(
32    const AppWindowRegistry* registry,
33    content::RenderViewHost* render_view_host) {
34  AppWindow* app_window =
35      registry->GetAppWindowForRenderViewHost(render_view_host);
36  if (!app_window)
37    return std::string();  // Not a AppWindow.
38
39  if (app_window->window_key().empty())
40    return app_window->web_contents()->GetURL().possibly_invalid_spec();
41
42  std::string key = app_window->extension_id();
43  key += ':';
44  key += app_window->window_key();
45  return key;
46}
47
48}  // namespace
49
50void AppWindowRegistry::Observer::OnAppWindowAdded(AppWindow* app_window) {
51}
52
53void AppWindowRegistry::Observer::OnAppWindowIconChanged(
54    AppWindow* app_window) {
55}
56
57void AppWindowRegistry::Observer::OnAppWindowRemoved(AppWindow* app_window) {
58}
59
60void AppWindowRegistry::Observer::OnAppWindowHidden(AppWindow* app_window) {
61}
62
63void AppWindowRegistry::Observer::OnAppWindowShown(AppWindow* app_window) {
64}
65
66AppWindowRegistry::Observer::~Observer() {
67}
68
69AppWindowRegistry::AppWindowRegistry(content::BrowserContext* context)
70    : context_(context),
71      devtools_callback_(base::Bind(&AppWindowRegistry::OnDevToolsStateChanged,
72                                    base::Unretained(this))) {
73  content::DevToolsAgentHost::AddAgentStateCallback(devtools_callback_);
74}
75
76AppWindowRegistry::~AppWindowRegistry() {
77  content::DevToolsAgentHost::RemoveAgentStateCallback(devtools_callback_);
78}
79
80// static
81AppWindowRegistry* AppWindowRegistry::Get(content::BrowserContext* context) {
82  return Factory::GetForBrowserContext(context, true /* create */);
83}
84
85void AppWindowRegistry::AddAppWindow(AppWindow* app_window) {
86  BringToFront(app_window);
87  FOR_EACH_OBSERVER(Observer, observers_, OnAppWindowAdded(app_window));
88}
89
90void AppWindowRegistry::AppWindowIconChanged(AppWindow* app_window) {
91  AddAppWindowToList(app_window);
92  FOR_EACH_OBSERVER(Observer, observers_, OnAppWindowIconChanged(app_window));
93}
94
95void AppWindowRegistry::AppWindowActivated(AppWindow* app_window) {
96  BringToFront(app_window);
97}
98
99void AppWindowRegistry::AppWindowHidden(AppWindow* app_window) {
100  FOR_EACH_OBSERVER(Observer, observers_, OnAppWindowHidden(app_window));
101}
102
103void AppWindowRegistry::AppWindowShown(AppWindow* app_window) {
104  FOR_EACH_OBSERVER(Observer, observers_, OnAppWindowShown(app_window));
105}
106
107void AppWindowRegistry::RemoveAppWindow(AppWindow* app_window) {
108  const AppWindowList::iterator it =
109      std::find(app_windows_.begin(), app_windows_.end(), app_window);
110  if (it != app_windows_.end())
111    app_windows_.erase(it);
112  FOR_EACH_OBSERVER(Observer, observers_, OnAppWindowRemoved(app_window));
113}
114
115void AppWindowRegistry::AddObserver(Observer* observer) {
116  observers_.AddObserver(observer);
117}
118
119void AppWindowRegistry::RemoveObserver(Observer* observer) {
120  observers_.RemoveObserver(observer);
121}
122
123AppWindowRegistry::AppWindowList AppWindowRegistry::GetAppWindowsForApp(
124    const std::string& app_id) const {
125  AppWindowList app_windows;
126  for (AppWindowList::const_iterator i = app_windows_.begin();
127       i != app_windows_.end();
128       ++i) {
129    if ((*i)->extension_id() == app_id)
130      app_windows.push_back(*i);
131  }
132  return app_windows;
133}
134
135void AppWindowRegistry::CloseAllAppWindowsForApp(const std::string& app_id) {
136  const AppWindowList windows = GetAppWindowsForApp(app_id);
137  for (AppWindowRegistry::const_iterator it = windows.begin();
138       it != windows.end();
139       ++it) {
140    (*it)->GetBaseWindow()->Close();
141  }
142}
143
144AppWindow* AppWindowRegistry::GetAppWindowForRenderViewHost(
145    content::RenderViewHost* render_view_host) const {
146  for (AppWindowList::const_iterator i = app_windows_.begin();
147       i != app_windows_.end();
148       ++i) {
149    if ((*i)->web_contents()->GetRenderViewHost() == render_view_host)
150      return *i;
151  }
152
153  return NULL;
154}
155
156AppWindow* AppWindowRegistry::GetAppWindowForNativeWindow(
157    gfx::NativeWindow window) const {
158  for (AppWindowList::const_iterator i = app_windows_.begin();
159       i != app_windows_.end();
160       ++i) {
161    if ((*i)->GetNativeWindow() == window)
162      return *i;
163  }
164
165  return NULL;
166}
167
168AppWindow* AppWindowRegistry::GetCurrentAppWindowForApp(
169    const std::string& app_id) const {
170  AppWindow* result = NULL;
171  for (AppWindowList::const_iterator i = app_windows_.begin();
172       i != app_windows_.end();
173       ++i) {
174    if ((*i)->extension_id() == app_id) {
175      result = *i;
176      if (result->GetBaseWindow()->IsActive())
177        return result;
178    }
179  }
180
181  return result;
182}
183
184AppWindow* AppWindowRegistry::GetAppWindowForAppAndKey(
185    const std::string& app_id,
186    const std::string& window_key) const {
187  AppWindow* result = NULL;
188  for (AppWindowList::const_iterator i = app_windows_.begin();
189       i != app_windows_.end();
190       ++i) {
191    if ((*i)->extension_id() == app_id && (*i)->window_key() == window_key) {
192      result = *i;
193      if (result->GetBaseWindow()->IsActive())
194        return result;
195    }
196  }
197  return result;
198}
199
200bool AppWindowRegistry::HadDevToolsAttached(
201    content::RenderViewHost* render_view_host) const {
202  std::string key = GetWindowKeyForRenderViewHost(this, render_view_host);
203  return key.empty() ? false : inspected_windows_.count(key) != 0;
204}
205
206void AppWindowRegistry::OnDevToolsStateChanged(
207    content::DevToolsAgentHost* agent_host,
208    bool attached) {
209  content::WebContents* web_contents = agent_host->GetWebContents();
210  // Ignore unrelated notifications.
211  if (!web_contents || web_contents->GetBrowserContext() != context_)
212    return;
213
214  std::string key =
215      GetWindowKeyForRenderViewHost(this, web_contents->GetRenderViewHost());
216  if (key.empty())
217    return;
218
219  if (attached)
220    inspected_windows_.insert(key);
221  else
222    inspected_windows_.erase(key);
223}
224
225void AppWindowRegistry::AddAppWindowToList(AppWindow* app_window) {
226  const AppWindowList::iterator it =
227      std::find(app_windows_.begin(), app_windows_.end(), app_window);
228  if (it != app_windows_.end())
229    return;
230  app_windows_.push_back(app_window);
231}
232
233void AppWindowRegistry::BringToFront(AppWindow* app_window) {
234  const AppWindowList::iterator it =
235      std::find(app_windows_.begin(), app_windows_.end(), app_window);
236  if (it != app_windows_.end())
237    app_windows_.erase(it);
238  app_windows_.push_front(app_window);
239}
240
241///////////////////////////////////////////////////////////////////////////////
242// Factory boilerplate
243
244// static
245AppWindowRegistry* AppWindowRegistry::Factory::GetForBrowserContext(
246    content::BrowserContext* context,
247    bool create) {
248  return static_cast<AppWindowRegistry*>(
249      GetInstance()->GetServiceForBrowserContext(context, create));
250}
251
252AppWindowRegistry::Factory* AppWindowRegistry::Factory::GetInstance() {
253  return Singleton<AppWindowRegistry::Factory>::get();
254}
255
256AppWindowRegistry::Factory::Factory()
257    : BrowserContextKeyedServiceFactory(
258          "AppWindowRegistry",
259          BrowserContextDependencyManager::GetInstance()) {}
260
261AppWindowRegistry::Factory::~Factory() {}
262
263KeyedService* AppWindowRegistry::Factory::BuildServiceInstanceFor(
264    content::BrowserContext* context) const {
265  return new AppWindowRegistry(context);
266}
267
268bool AppWindowRegistry::Factory::ServiceIsCreatedWithBrowserContext() const {
269  return true;
270}
271
272bool AppWindowRegistry::Factory::ServiceIsNULLWhileTesting() const {
273  return false;
274}
275
276content::BrowserContext* AppWindowRegistry::Factory::GetBrowserContextToUse(
277    content::BrowserContext* context) const {
278  return ExtensionsBrowserClient::Get()->GetOriginalContext(context);
279}
280
281}  // namespace extensions
282