chromecast/browser/android/cast_window_android.cc

   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 "chromecast/browser/android/cast_window_android.h"
   6
   7 #include "base/message_loop/message_loop_proxy.h"
   8 #include "chromecast/browser/android/cast_window_manager.h"
   9 #include "chromecast/browser/cast_content_window.h"
  10 #include "content/public/browser/devtools_agent_host.h"
  11 #include "content/public/browser/navigation_controller.h"
  12 #include "content/public/browser/navigation_entry.h"
  13 #include "content/public/browser/render_process_host.h"
  14 #include "content/public/browser/render_view_host.h"
  15 #include "content/public/browser/render_widget_host_view.h"
  16 #include "content/public/common/renderer_preferences.h"
  17 #include "jni/CastWindowAndroid_jni.h"
  18 #include "ui/gfx/skia_util.h"
  19
  20 namespace chromecast {
  21 namespace shell {
  22
  23 namespace {
  24
  25 // The time (in milliseconds) we wait for after a page is closed (i.e.
  26 // after an app is stopped) before we delete the corresponding WebContents.
  27 const int kWebContentsDestructionDelayInMs = 50;
  28
  29 }  // namespace
  30
  31 // static
  32 bool CastWindowAndroid::RegisterJni(JNIEnv* env) {
  33   return RegisterNativesImpl(env);
  34 }
  35
  36 // static
  37 CastWindowAndroid* CastWindowAndroid::CreateNewWindow(
  38     content::BrowserContext* browser_context,
  39     const GURL& url) {
  40   CastWindowAndroid* window_android = new CastWindowAndroid(browser_context);
  41   window_android->Initialize();
  42
  43   if (!url.is_empty())
  44     window_android->LoadURL(url);
  45
  46   content::RenderWidgetHostView* rwhv =
  47       window_android->web_contents_->GetRenderWidgetHostView();
  48   if (rwhv) {
  49     rwhv->SetBackgroundColor(SK_ColorBLACK);
  50   }
  51
  52   return window_android;
  53 }
  54
  55 CastWindowAndroid::CastWindowAndroid(content::BrowserContext* browser_context)
  56     : browser_context_(browser_context),
  57       content_window_(new CastContentWindow),
  58       weak_factory_(this) {
  59 }
  60
  61 void CastWindowAndroid::Initialize() {
  62   web_contents_ =
  63       content_window_->CreateWebContents(gfx::Size(), browser_context_);
  64   web_contents_->SetDelegate(this);
  65   content::WebContentsObserver::Observe(web_contents_.get());
  66
  67   JNIEnv* env = base::android::AttachCurrentThread();
  68   window_java_.Reset(CreateCastWindowView(this));
  69
  70   Java_CastWindowAndroid_initFromNativeWebContents(
  71       env, window_java_.obj(), web_contents_->GetJavaWebContents().obj(),
  72       web_contents_->GetRenderProcessHost()->GetID());
  73
  74   // Enabling hole-punching also requires runtime renderer preference
  75   content::RendererPreferences* prefs =
  76       web_contents_->GetMutableRendererPrefs();
  77   prefs->use_video_overlay_for_embedded_encrypted_video = true;
  78   prefs->use_view_overlay_for_all_video = true;
  79   web_contents_->GetRenderViewHost()->SyncRendererPrefs();
  80 }
  81
  82 CastWindowAndroid::~CastWindowAndroid() {
  83 }
  84
  85 void CastWindowAndroid::Close() {
  86   // Close page first, which fires the window.unload event. The WebContents
  87   // itself will be destroyed after browser-process has received renderer
  88   // notification that the page is closed.
  89   web_contents_->GetRenderViewHost()->ClosePage();
  90 }
  91
  92 void CastWindowAndroid::Destroy() {
  93   // Note: if multiple windows becomes supported, this may close other devtools
  94   // sessions.
  95   content::DevToolsAgentHost::DetachAllClients();
  96   CloseCastWindowView(window_java_.obj());
  97   delete this;
  98 }
  99
 100 void CastWindowAndroid::LoadURL(const GURL& url) {
 101   content::NavigationController::LoadURLParams params(url);
 102   params.transition_type = ui::PageTransitionFromInt(
 103       ui::PAGE_TRANSITION_TYPED |
 104       ui::PAGE_TRANSITION_FROM_ADDRESS_BAR);
 105   web_contents_->GetController().LoadURLWithParams(params);
 106   web_contents_->Focus();
 107 }
 108
 109 void CastWindowAndroid::AddNewContents(content::WebContents* source,
 110                                        content::WebContents* new_contents,
 111                                        WindowOpenDisposition disposition,
 112                                        const gfx::Rect& initial_rect,
 113                                        bool user_gesture,
 114                                        bool* was_blocked) {
 115   NOTIMPLEMENTED();
 116   if (was_blocked) {
 117     *was_blocked = true;
 118   }
 119 }
 120
 121 void CastWindowAndroid::CloseContents(content::WebContents* source) {
 122   DCHECK_EQ(source, web_contents_.get());
 123
 124   // We need to delay the deletion of web_contents_ (currently for 50ms) to
 125   // give (and guarantee) the renderer enough time to finish 'onunload'
 126   // handler (but we don't want to wait any longer than that to delay the
 127   // starting of next app).
 128   base::MessageLoopProxy::current()->PostDelayedTask(
 129       FROM_HERE,
 130       base::Bind(&CastWindowAndroid::Destroy, weak_factory_.GetWeakPtr()),
 131       base::TimeDelta::FromMilliseconds(kWebContentsDestructionDelayInMs));
 132 }
 133
 134 bool CastWindowAndroid::CanOverscrollContent() const {
 135   return false;
 136 }
 137
 138 bool CastWindowAndroid::AddMessageToConsole(content::WebContents* source,
 139                                             int32 level,
 140                                             const base::string16& message,
 141                                             int32 line_no,
 142                                             const base::string16& source_id) {
 143   return false;
 144 }
 145
 146 void CastWindowAndroid::ActivateContents(content::WebContents* contents) {
 147   DCHECK_EQ(contents, web_contents_.get());
 148   contents->GetRenderViewHost()->Focus();
 149 }
 150
 151 void CastWindowAndroid::DeactivateContents(content::WebContents* contents) {
 152   DCHECK_EQ(contents, web_contents_.get());
 153   contents->GetRenderViewHost()->Blur();
 154 }
 155
 156 void CastWindowAndroid::RenderProcessGone(base::TerminationStatus status) {
 157   LOG(ERROR) << "Render process gone: status=" << status;
 158   Destroy();
 159 }
 160
 161 }  // namespace shell
 162 }  // namespace chromecast