aw_main_delegate.cc revision 868fa2fe829687343ffae624259930155e16dbd8 
1// Copyright (c) 2012 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 "android_webview/lib/main/aw_main_delegate.h"
6
7#include "android_webview/browser/aw_content_browser_client.h"
8#include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
9#include "android_webview/common/aw_switches.h"
10#include "android_webview/lib/aw_browser_dependency_factory_impl.h"
11#include "android_webview/native/aw_geolocation_permission_context.h"
12#include "android_webview/native/aw_quota_manager_bridge_impl.h"
13#include "android_webview/native/aw_web_contents_view_delegate.h"
14#include "android_webview/renderer/aw_content_renderer_client.h"
15#include "base/command_line.h"
16#include "base/lazy_instance.h"
17#include "base/logging.h"
18#include "base/memory/scoped_ptr.h"
19#include "base/threading/thread_restrictions.h"
20#include "cc/base/switches.h"
21#include "content/public/browser/browser_main_runner.h"
22#include "content/public/browser/browser_thread.h"
23#include "content/public/common/content_switches.h"
24#include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
25
26namespace android_webview {
27
28namespace {
29
30// TODO(boliu): Remove these global Allows once the underlying issues are
31// resolved - http://crbug.com/240453. See AwMainDelegate::RunProcess below.
32
33base::LazyInstance<scoped_ptr<ScopedAllowWaitForLegacyWebViewApi> >
34    g_allow_wait_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
35
36base::LazyInstance<scoped_ptr<base::ThreadRestrictions::ScopedAllowIO> >
37    g_allow_io_in_ui_thread = LAZY_INSTANCE_INITIALIZER;
38
39bool UIAndRendererCompositorThreadsNotMerged() {
40  return CommandLine::ForCurrentProcess()->HasSwitch(
41      switches::kNoMergeUIAndRendererCompositorThreads);
42}
43}
44
45AwMainDelegate::AwMainDelegate() {
46}
47
48AwMainDelegate::~AwMainDelegate() {
49}
50
51bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
52  content::SetContentClient(&content_client_);
53
54  webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl
55      ::EnableVirtualizedContext();
56
57  CommandLine* cl = CommandLine::ForCurrentProcess();
58  if (UIAndRendererCompositorThreadsNotMerged()) {
59    cl->AppendSwitch(cc::switches::kEnableCompositorFrameMessage);
60    cl->AppendSwitch(switches::kEnableWebViewSynchronousAPIs);
61  } else {
62    cl->AppendSwitch(switches::kEnableBeginFrameScheduling);
63    if (!cl->HasSwitch("disable-map-image"))
64      cl->AppendSwitch(cc::switches::kUseMapImage);
65  }
66
67  // WebView uses the existing Android View edge effect for overscroll glow.
68  cl->AppendSwitch(switches::kDisableOverscrollEdgeEffect);
69
70  return false;
71}
72
73void AwMainDelegate::PreSandboxStartup() {
74  // TODO(torne): When we have a separate renderer process, we need to handle
75  // being passed open FDs for the resource paks here.
76}
77
78void AwMainDelegate::SandboxInitialized(const std::string& process_type) {
79  // TODO(torne): Adjust linux OOM score here.
80}
81
82int AwMainDelegate::RunProcess(
83    const std::string& process_type,
84    const content::MainFunctionParams& main_function_params) {
85  if (process_type.empty()) {
86    AwBrowserDependencyFactoryImpl::InstallInstance();
87
88    browser_runner_.reset(content::BrowserMainRunner::Create());
89    int exit_code = browser_runner_->Initialize(main_function_params);
90    DCHECK(exit_code < 0);
91
92    if (!UIAndRendererCompositorThreadsNotMerged()) {
93      // This is temporary until we remove the browser compositor
94      g_allow_wait_in_ui_thread.Get().reset(
95          new ScopedAllowWaitForLegacyWebViewApi);
96
97      // TODO(boliu): This is a HUGE hack to work around the fact that
98      // cc::WorkerPool joins on worker threads on the UI thread.
99      // See crbug.com/239423.
100      g_allow_io_in_ui_thread.Get().reset(
101          new base::ThreadRestrictions::ScopedAllowIO);
102    }
103
104    // Return 0 so that we do NOT trigger the default behavior. On Android, the
105    // UI message loop is managed by the Java application.
106    return 0;
107  }
108
109  return -1;
110}
111
112void AwMainDelegate::ProcessExiting(const std::string& process_type) {
113  // TODO(torne): Clean up resources when we handle them.
114
115  logging::CloseLogFile();
116}
117
118content::ContentBrowserClient*
119    AwMainDelegate::CreateContentBrowserClient() {
120  content_browser_client_.reset(new AwContentBrowserClient(this));
121  return content_browser_client_.get();
122}
123
124content::ContentRendererClient*
125    AwMainDelegate::CreateContentRendererClient() {
126  content_renderer_client_.reset(new AwContentRendererClient());
127  return content_renderer_client_.get();
128}
129
130AwQuotaManagerBridge* AwMainDelegate::CreateAwQuotaManagerBridge(
131    AwBrowserContext* browser_context) {
132  return new AwQuotaManagerBridgeImpl(browser_context);
133}
134
135content::GeolocationPermissionContext*
136    AwMainDelegate::CreateGeolocationPermission(
137        AwBrowserContext* browser_context) {
138  return AwGeolocationPermissionContext::Create(browser_context);
139}
140
141content::WebContentsViewDelegate* AwMainDelegate::CreateViewDelegate(
142    content::WebContents* web_contents) {
143  return AwWebContentsViewDelegate::Create(web_contents);
144}
145
146}  // namespace android_webview
147