221 lines
6.5 KiB
C++
221 lines
6.5 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE-CHROMIUM file.
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#include "browser/browser_main_parts.h"
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#include "browser/browser_context.h"
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#include "browser/devtools_manager_delegate.h"
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#include "browser/web_ui_controller_factory.h"
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#include "base/command_line.h"
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#include "base/strings/string_number_conversions.h"
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#include "components/devtools_http_handler/devtools_http_handler.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/public/common/content_switches.h"
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#include "net/proxy/proxy_resolver_v8.h"
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#if defined(USE_AURA)
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#include "ui/gfx/screen.h"
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#include "ui/views/widget/desktop_aura/desktop_screen.h"
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#endif
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#if defined(TOOLKIT_VIEWS)
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#include "browser/views/views_delegate.h"
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#endif
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#if defined(USE_X11)
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#include "base/environment.h"
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#include "base/path_service.h"
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#include "base/nix/xdg_util.h"
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#include "base/thread_task_runner_handle.h"
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#include "browser/brightray_paths.h"
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#include "chrome/browser/ui/libgtk2ui/gtk2_ui.h"
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#include "ui/base/x/x11_util.h"
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#include "ui/base/x/x11_util_internal.h"
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#include "ui/views/linux_ui/linux_ui.h"
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#include "ui/wm/core/wm_state.h"
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#endif
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#if defined(OS_WIN)
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#include "ui/base/cursor/cursor_loader_win.h"
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#include "ui/base/l10n/l10n_util.h"
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#include "ui/base/l10n/l10n_util_win.h"
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#include "ui/gfx/platform_font_win.h"
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#endif
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using content::BrowserThread;
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namespace brightray {
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namespace {
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#if defined(OS_WIN)
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// gfx::Font callbacks
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void AdjustUIFont(LOGFONT* logfont) {
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l10n_util::AdjustUIFont(logfont);
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}
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int GetMinimumFontSize() {
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return 10;
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}
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#endif
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#if defined(USE_X11)
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// Indicates that we're currently responding to an IO error (by shutting down).
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bool g_in_x11_io_error_handler = false;
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// Number of seconds to wait for UI thread to get an IO error if we get it on
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// the background thread.
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const int kWaitForUIThreadSeconds = 10;
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void OverrideLinuxAppDataPath() {
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base::FilePath path;
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if (PathService::Get(DIR_APP_DATA, &path))
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return;
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scoped_ptr<base::Environment> env(base::Environment::Create());
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path = base::nix::GetXDGDirectory(env.get(),
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base::nix::kXdgConfigHomeEnvVar,
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base::nix::kDotConfigDir);
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PathService::Override(DIR_APP_DATA, path);
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}
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int BrowserX11ErrorHandler(Display* d, XErrorEvent* error) {
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if (!g_in_x11_io_error_handler) {
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base::ThreadTaskRunnerHandle::Get()->PostTask(
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FROM_HERE, base::Bind(&ui::LogErrorEventDescription, d, *error));
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}
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return 0;
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}
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// This function is used to help us diagnose crash dumps that happen
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// during the shutdown process.
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NOINLINE void WaitingForUIThreadToHandleIOError() {
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// Ensure function isn't optimized away.
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asm("");
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sleep(kWaitForUIThreadSeconds);
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}
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int BrowserX11IOErrorHandler(Display* d) {
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if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
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// Wait for the UI thread (which has a different connection to the X server)
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// to get the error. We can't call shutdown from this thread without
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// tripping an error. Doing it through a function so that we'll be able
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// to see it in any crash dumps.
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WaitingForUIThreadToHandleIOError();
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return 0;
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}
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// If there's an IO error it likely means the X server has gone away.
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// If this CHECK fails, then that means SessionEnding() below triggered some
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// code that tried to talk to the X server, resulting in yet another error.
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CHECK(!g_in_x11_io_error_handler);
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g_in_x11_io_error_handler = true;
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LOG(ERROR) << "X IO error received (X server probably went away)";
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base::ThreadTaskRunnerHandle::Get()->PostTask(
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FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
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return 0;
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}
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int X11EmptyErrorHandler(Display* d, XErrorEvent* error) {
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return 0;
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}
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int X11EmptyIOErrorHandler(Display* d) {
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return 0;
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}
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#endif
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} // namespace
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BrowserMainParts::BrowserMainParts() {
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}
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BrowserMainParts::~BrowserMainParts() {
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}
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void BrowserMainParts::PreEarlyInitialization() {
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#if defined(USE_X11)
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views::LinuxUI::SetInstance(BuildGtk2UI());
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OverrideLinuxAppDataPath();
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// Installs the X11 error handlers for the browser process used during
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// startup. They simply print error messages and exit because
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// we can't shutdown properly while creating and initializing services.
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ui::SetX11ErrorHandlers(nullptr, nullptr);
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#endif
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}
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void BrowserMainParts::ToolkitInitialized() {
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#if defined(USE_AURA) && defined(USE_X11)
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views::LinuxUI::instance()->Initialize();
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wm_state_.reset(new wm::WMState);
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#endif
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#if defined(TOOLKIT_VIEWS)
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views_delegate_.reset(new ViewsDelegate);
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#endif
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#if defined(OS_WIN)
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gfx::PlatformFontWin::adjust_font_callback = &AdjustUIFont;
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gfx::PlatformFontWin::get_minimum_font_size_callback = &GetMinimumFontSize;
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wchar_t module_name[MAX_PATH] = { 0 };
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if (GetModuleFileName(NULL, module_name, MAX_PATH))
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ui::CursorLoaderWin::SetCursorResourceModule(module_name);
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#endif
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}
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void BrowserMainParts::PreMainMessageLoopStart() {
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#if defined(OS_MACOSX)
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InitializeMainNib();
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#endif
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}
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void BrowserMainParts::PreMainMessageLoopRun() {
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browser_context_ = BrowserContext::From("", false);
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content::WebUIControllerFactory::RegisterFactory(
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WebUIControllerFactory::GetInstance());
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// --remote-debugging-port
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auto command_line = base::CommandLine::ForCurrentProcess();
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if (command_line->HasSwitch(switches::kRemoteDebuggingPort))
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devtools_http_handler_.reset(DevToolsManagerDelegate::CreateHttpHandler());
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}
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void BrowserMainParts::PostMainMessageLoopStart() {
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#if defined(USE_X11)
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// Installs the X11 error handlers for the browser process after the
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// main message loop has started. This will allow us to exit cleanly
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// if X exits before us.
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ui::SetX11ErrorHandlers(BrowserX11ErrorHandler, BrowserX11IOErrorHandler);
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#endif
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}
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void BrowserMainParts::PostMainMessageLoopRun() {
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browser_context_ = nullptr;
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#if defined(USE_X11)
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// Unset the X11 error handlers. The X11 error handlers log the errors using a
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// |PostTask()| on the message-loop. But since the message-loop is in the
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// process of terminating, this can cause errors.
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ui::SetX11ErrorHandlers(X11EmptyErrorHandler, X11EmptyIOErrorHandler);
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#endif
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}
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int BrowserMainParts::PreCreateThreads() {
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#if defined(USE_AURA)
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gfx::Screen* screen = views::CreateDesktopScreen();
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gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, screen);
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#if defined(USE_X11)
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views::LinuxUI::instance()->UpdateDeviceScaleFactor(
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screen->GetPrimaryDisplay().device_scale_factor());
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#endif
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#endif
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return 0;
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}
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} // namespace brightray
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