Reorganizes Chromecast code to better reflect functional dependencies.

chromecast/shell/browser/android/cast_window_android.cc

-// Copyright 2014 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 "chromecast/shell/browser/android/cast_window_android.h"
-
-#include "base/message_loop/message_loop_proxy.h"
-#include "base/path_service.h"
-#include "chromecast/shell/browser/android/cast_window_manager.h"
-#include "content/public/browser/devtools_agent_host.h"
-#include "content/public/browser/navigation_controller.h"
-#include "content/public/browser/navigation_entry.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/common/renderer_preferences.h"
-#include "jni/CastWindowAndroid_jni.h"
-
-namespace chromecast {
-namespace shell {
-
-namespace {
-
-// The time (in milliseconds) we wait for after a page is closed (i.e.
-// after an app is stopped) before we delete the corresponding WebContents.
-const int kWebContentsDestructionDelayInMs = 50;
-
-}  // namespace
-
-// static
-bool CastWindowAndroid::RegisterJni(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-CastWindowAndroid::CastWindowAndroid(content::WebContents* web_contents)
-    : content::WebContentsObserver(web_contents),
-      weak_factory_(this) {
-}
-
-CastWindowAndroid::~CastWindowAndroid() {
-}
-
-// static
-CastWindowAndroid* CastWindowAndroid::CreateNewWindow(
-    content::BrowserContext* browser_context,
-    const GURL& url) {
-  content::WebContents::CreateParams create_params(browser_context);
-  create_params.routing_id = MSG_ROUTING_NONE;
-  content::WebContents* web_contents =
-      content::WebContents::Create(create_params);
-  CastWindowAndroid* shell = CreateCastWindowAndroid(
-      web_contents,
-      create_params.initial_size);
-  if (!url.is_empty())
-    shell->LoadURL(url);
-  return shell;
-}
-
-// static
-CastWindowAndroid* CastWindowAndroid::CreateCastWindowAndroid(
-    content::WebContents* web_contents,
-    const gfx::Size& initial_size) {
-  CastWindowAndroid* shell = new CastWindowAndroid(web_contents);
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  base::android::ScopedJavaLocalRef<jobject> shell_android(
-      CreateCastWindowView(shell));
-
-  shell->java_object_.Reset(env, shell_android.Release());
-  shell->web_contents_.reset(web_contents);
-  web_contents->SetDelegate(shell);
-
-  Java_CastWindowAndroid_initFromNativeWebContents(
-      env, shell->java_object_.obj(), reinterpret_cast<jint>(web_contents));
-
-  // Enabling hole-punching also requires runtime renderer preference
-  web_contents->GetMutableRendererPrefs()->
-      use_video_overlay_for_embedded_encrypted_video = true;
-  web_contents->GetRenderViewHost()->SyncRendererPrefs();
-
-  return shell;
-}
-
-void CastWindowAndroid::Close() {
-  // Close page first, which fires the window.unload event. The WebContents
-  // itself will be destroyed after browser-process has received renderer
-  // notification that the page is closed.
-  web_contents_->GetRenderViewHost()->ClosePage();
-}
-
-void CastWindowAndroid::Destroy() {
-  // Note: if multiple windows becomes supported, this may close other devtools
-  // sessions.
-  content::DevToolsAgentHost::DetachAllClients();
-  CloseCastWindowView(java_object_.obj());
-  delete this;
-}
-
-void CastWindowAndroid::LoadURL(const GURL& url) {
-  content::NavigationController::LoadURLParams params(url);
-  params.transition_type = ui::PageTransitionFromInt(
-      ui::PAGE_TRANSITION_TYPED |
-      ui::PAGE_TRANSITION_FROM_ADDRESS_BAR);
-  web_contents_->GetController().LoadURLWithParams(params);
-  web_contents_->Focus();
-}
-
-void CastWindowAndroid::AddNewContents(content::WebContents* source,
-                                       content::WebContents* new_contents,
-                                       WindowOpenDisposition disposition,
-                                       const gfx::Rect& initial_pos,
-                                       bool user_gesture,
-                                       bool* was_blocked) {
-  NOTIMPLEMENTED();
-  if (was_blocked) {
-    *was_blocked = true;
-  }
-}
-
-void CastWindowAndroid::CloseContents(content::WebContents* source) {
-  DCHECK_EQ(source, web_contents_.get());
-
-  // We need to delay the deletion of web_contents_ (currently for 50ms) to
-  // give (and guarantee) the renderer enough time to finish 'onunload'
-  // handler (but we don't want to wait any longer than that to delay the
-  // starting of next app).
-
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType)) {
-    // When shutting down in a test context, the last remaining WebContents
-    // is torn down at browser-thread shutdown time. Call Destroy directly to
-    // avoid losing the last posted task to delete this object.
-    // TODO(gunsch): This could probably be avoided by using a
-    // CompletionCallback in StopCurrentApp to wait until the app is completely
-    // stopped. This might require a separate message loop and might only be
-    // appropriate for test contexts or during shutdown, since it triggers a
-    // wait on the main thread.
-    Destroy();
-    return;
-  }
-
-  base::MessageLoopProxy::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&CastWindowAndroid::Destroy, weak_factory_.GetWeakPtr()),
-      base::TimeDelta::FromMilliseconds(kWebContentsDestructionDelayInMs));
-}
-
-bool CastWindowAndroid::CanOverscrollContent() const {
-  return false;
-}
-
-bool CastWindowAndroid::AddMessageToConsole(content::WebContents* source,
-                                            int32 level,
-                                            const base::string16& message,
-                                            int32 line_no,
-                                            const base::string16& source_id) {
-  return false;
-}
-
-void CastWindowAndroid::ActivateContents(content::WebContents* contents) {
-  DCHECK_EQ(contents, web_contents_.get());
-  contents->GetRenderViewHost()->Focus();
-}
-
-void CastWindowAndroid::DeactivateContents(content::WebContents* contents) {
-  DCHECK_EQ(contents, web_contents_.get());
-  contents->GetRenderViewHost()->Blur();
-}
-
-void CastWindowAndroid::RenderProcessGone(base::TerminationStatus status) {
-  LOG(ERROR) << "Render process gone: status=" << status;
-  Destroy();
-}
-
-}  // namespace shell
-}  // namespace chromecast