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authorzturner@chromium.org <zturner@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2014-03-07 09:14:53 +0000
committerzturner@chromium.org <zturner@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2014-03-07 09:14:53 +0000
commit077b34bc2416ba9a9c443f5e78de31f3fbb9f090 (patch)
treeecaeb2dce9850eab07695c0facd3f832bfad95a3 /win8/delegate_execute/command_execute_impl.cc
parentfae06bc06542c92a5b9c2a59697c57140a8460d3 (diff)
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Make delegate_execute GetLaunchMode() check for default browser.
BUG=350078 Review URL: https://codereview.chromium.org/189113002 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255562 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'win8/delegate_execute/command_execute_impl.cc')
-rw-r--r--win8/delegate_execute/command_execute_impl.cc36
1 files changed, 30 insertions, 6 deletions
diff --git a/win8/delegate_execute/command_execute_impl.cc b/win8/delegate_execute/command_execute_impl.cc
index 0d05dc5..405b24f 100644
--- a/win8/delegate_execute/command_execute_impl.cc
+++ b/win8/delegate_execute/command_execute_impl.cc
@@ -116,7 +116,7 @@ bool CommandExecuteImpl::path_provider_initialized_ = false;
// If chrome is running then focus/activation is given to the existing one
// regarless of what launch point the user used.
//
-// The general flow when chrome is the default browser is as follows:
+// The general flow for activation is as follows:
//
// 1- User interacts with launch point (icon, tile, search, shellexec, etc)
// 2- Windows finds the appid for launch item and resolves it to chrome
@@ -133,11 +133,12 @@ bool CommandExecuteImpl::path_provider_initialized_ = false;
// the launch scheme (or url) and the activation verb.
// 5- Windows calls CommandExecuteImpl::Getvalue()
// Here we need to return AHE_IMMERSIVE or AHE_DESKTOP. That depends on:
-// a) if run in high-integrity return AHE_DESKTOP
+// a) if run in high-integrity return AHE_DESKTOP.
// b) else we return what GetLaunchMode() tells us, which is:
-// i) if the command line --force-xxx is present return that
-// ii) if the registry 'launch_mode' exists return that
-// iii) else return AHE_DESKTOP
+// i) if chrome is not the default browser, return AHE_DESKTOP
+// ii) if the command line --force-xxx is present return that
+// iii) if the registry 'launch_mode' exists return that
+// iv) else return AHE_DESKTOP
// 6- If we returned AHE_IMMERSIVE in step 5 windows might not call us back
// and simply activate chrome in metro by itself, however in some cases
// it might proceed at step 7.
@@ -150,7 +151,13 @@ bool CommandExecuteImpl::path_provider_initialized_ = false;
// b) else we call one of the IApplicationActivationManager activation
// functions depending on the parameters passed in step 4.
// c) If the activation returns E_APPLICATION_NOT_REGISTERED, then we fall
-// back to launching chrome on the desktop via LaunchDestopChrome().
+// back to launching chrome on the desktop via LaunchDestopChrome(). Note
+// that this case can lead to strange behavior, because at this point we
+// have pre-launched the browser with --silent-launch --viewer-connect.
+// E_APPLICATION_NOT_REGISTERED is always returned if Chrome is not the
+// default browser (this case will have already been checked for by
+// GetLaunchMode() and AHE_DESKTOP returned), but we don't know if it can
+// be returned for other reasons.
//
// Note that if a command line --force-xxx is present we write that launch mode
// in the registry so next time the logic reaches 5c-ii it will use the same
@@ -209,6 +216,12 @@ STDMETHODIMP CommandExecuteImpl::GetValue(enum AHE_TYPE* pahe) {
EC_HOST_UI_MODE mode = GetLaunchMode();
*pahe = (mode == ECHUIM_DESKTOP) ? AHE_DESKTOP : AHE_IMMERSIVE;
+ // If we're going to return AHE_IMMERSIVE, then both the browser process and
+ // the metro viewer need to launch and connect before the user can start
+ // browsing. However we must not launch the metro viewer until we get a
+ // call to CommandExecuteImpl::Execute(). If we wait until then to launch
+ // the browser process as well, it will appear laggy while they connect to
+ // each other, so we pre-launch the browser process now.
if (*pahe == AHE_IMMERSIVE && verb_ != win8::kMetroViewerConnectVerb)
LaunchChromeBrowserProcess();
return S_OK;
@@ -415,6 +428,17 @@ EC_HOST_UI_MODE CommandExecuteImpl::GetLaunchMode() {
launch_mode_determined = true;
return launch_mode;
}
+
+ base::FilePath chrome_exe;
+ if (!FindChromeExe(&chrome_exe) ||
+ ShellUtil::GetChromeDefaultStateFromPath(chrome_exe) !=
+ ShellUtil::DefaultState::IS_DEFAULT) {
+ AtlTrace("Chrome is not default: launching in desktop mode\n");
+ launch_mode = ECHUIM_DESKTOP;
+ launch_mode_determined = true;
+ return launch_mode;
+ }
+
if (GetAsyncKeyState(VK_SHIFT) && GetAsyncKeyState(VK_F11)) {
AtlTrace("Hotkey: launching in immersive mode\n");
launch_mode = ECHUIM_IMMERSIVE;