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      1 // Copyright (c) 2013 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 "ui/keyboard/keyboard_controller_proxy.h"
      6 
      7 #include "content/public/browser/site_instance.h"
      8 #include "content/public/browser/web_contents.h"
      9 #include "content/public/browser/web_contents_delegate.h"
     10 #include "content/public/browser/web_contents_observer.h"
     11 #include "content/public/browser/web_contents_view.h"
     12 #include "ui/aura/window.h"
     13 #include "ui/keyboard/keyboard_constants.h"
     14 
     15 namespace {
     16 
     17 // The WebContentsDelegate for the keyboard.
     18 // The delegate deletes itself when the keyboard is destroyed.
     19 class KeyboardContentsDelegate : public content::WebContentsDelegate,
     20                                  public content::WebContentsObserver {
     21  public:
     22   KeyboardContentsDelegate(keyboard::KeyboardControllerProxy* proxy)
     23       : proxy_(proxy) {}
     24   virtual ~KeyboardContentsDelegate() {}
     25 
     26  private:
     27   // Overridden from content::WebContentsDelegate:
     28   virtual content::WebContents* OpenURLFromTab(
     29       content::WebContents* source,
     30       const content::OpenURLParams& params) OVERRIDE {
     31     source->GetController().LoadURL(
     32         params.url, params.referrer, params.transition, params.extra_headers);
     33     Observe(source);
     34     return source;
     35   }
     36 
     37   // Overridden from content::WebContentsDelegate:
     38   virtual void RequestMediaAccessPermission(content::WebContents* web_contents,
     39       const content::MediaStreamRequest& request,
     40       const content::MediaResponseCallback& callback) OVERRIDE {
     41     proxy_->RequestAudioInput(web_contents, request, callback);
     42   }
     43 
     44 
     45   // Overridden from content::WebContentsObserver:
     46   virtual void WebContentsDestroyed(content::WebContents* contents) OVERRIDE {
     47     delete this;
     48   }
     49 
     50   keyboard::KeyboardControllerProxy* proxy_;
     51 
     52   DISALLOW_COPY_AND_ASSIGN(KeyboardContentsDelegate);
     53 };
     54 
     55 }  // namespace
     56 
     57 namespace keyboard {
     58 
     59 KeyboardControllerProxy::KeyboardControllerProxy() {
     60 }
     61 
     62 KeyboardControllerProxy::~KeyboardControllerProxy() {
     63 }
     64 
     65 aura::Window* KeyboardControllerProxy::GetKeyboardWindow() {
     66   if (!keyboard_contents_) {
     67     content::BrowserContext* context = GetBrowserContext();
     68     GURL url(kKeyboardWebUIURL);
     69     keyboard_contents_.reset(content::WebContents::Create(
     70         content::WebContents::CreateParams(context,
     71             content::SiteInstance::CreateForURL(context, url))));
     72     keyboard_contents_->SetDelegate(new KeyboardContentsDelegate(this));
     73     SetupWebContents(keyboard_contents_.get());
     74 
     75     content::OpenURLParams params(url,
     76                                   content::Referrer(),
     77                                   SINGLETON_TAB,
     78                                   content::PAGE_TRANSITION_AUTO_TOPLEVEL,
     79                                   false);
     80     keyboard_contents_->OpenURL(params);
     81   }
     82 
     83   return keyboard_contents_->GetView()->GetNativeView();
     84 }
     85 
     86 void KeyboardControllerProxy::ShowKeyboardContainer(aura::Window* container) {
     87   container->Show();
     88 }
     89 
     90 void KeyboardControllerProxy::HideKeyboardContainer(aura::Window* container) {
     91   container->Hide();
     92 }
     93 
     94 void KeyboardControllerProxy::SetupWebContents(content::WebContents* contents) {
     95 }
     96 
     97 }  // namespace keyboard
     98